Alert archive / South Dakota / Wind Chill Advisories in 2007

Wind Chill Advisory 5, NWS Sioux Falls, SD

February 1, 20078 counties in Minnesota; 6 counties in Iowa; 18 counties in South Dakota

NWS Sioux Falls, SD issued this wind chill advisory at Feb 1, 2007, 3:15 AM CST for 8 counties in Minnesota; 6 counties in Iowa; 18 counties in South Dakota. It took effect at Feb 2, 2007, 6:00 PM CST. It was in force for 50 hr.

The area

The counties it named.

The facts

Issued
Feb 1, 2007, 3:15 AM CST (09:15 UTC)
In effect from
Feb 2, 2007, 6:00 PM CST
Expired
Feb 4, 2007, 7:31 PM CST
In force
50 hr
Issued by
NWS Sioux Falls, SD
All 32 counties

Clay County, IA, Dickinson County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Sioux County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Aurora County, SD, Beadle County, SD, Brookings County, SD, Brule County, SD, Davison County, SD, Douglas County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Turner County, SD

The radar

The Sioux Falls radar (KFSD), 20 km from the middle of the area, began a volume at 09:19 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 9.3 hours before the alert went out and 178 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 2007-02-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2007-02-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
832 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS43 KFSD 010915
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
315 AM CST THU FEB 1 2007

.A STRONG COLD FRONT WILL PUSH THROUGH THE NORTHERN PLAINS LATER
THIS AFTERNOON AND EVENING...PROVIDING A REINFORCING SHOT OF
ARCTIC AIR TO THE REGION. STRONG NORTHWEST WINDS WILL DEVELOP OVER
THE AREA TONIGHT WITH THE PASSAGE OF THE FRONT...AND THE WINDS
COMBINED WITH VERY COLD TEMPERATURES WILL PRODUCE WIND CHILLS OF
20 BELOW TO 30 BELOW ZERO LATE TONIGHT THROUGH THE MORNING HOURS
OF FRIDAY.

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
052>062-064>067-011715-
/O.NEW.KFSD.WC.Y.0005.070202T0800Z-070202T1700Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-
HANSON-MCCOOK-MINNEHAHA-DOUGLAS-HUTCHINSON-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...WESSINGTON SPRINGS...
ALPENA...WOONSOCKET...HOWARD...MADISON...FLANDREAU...
CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...
MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS...ARMOUR...CORSICA...DELMONT...PARKSTON...
FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...MARION...
VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
315 AM CST THU FEB 1 2007

...WIND CHILL ADVISORY IN EFFECT FROM 2 AM TO 11 AM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 11 AM CST
FRIDAY. 

TEMPERATURES FALLING TO BELOW ZERO LATER TONIGHT...COMBINED WITH
NORTHWEST WINDS OF 20 TO 30 MPH...WILL RESULT IN WIND CHILLS OF 20
TO 30 BELOW ZERO OVER THE AREA THROUGH FRIDAY MORNING. WIND CHILL
READINGS ARE EXPECTED TO IMPROVE AFTER 11 AM ON FRIDAY AS WINDS
BECOME LIGHTER AND TEMPERATURES WARM SLIGHTLY.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

JM
18 follow-up statements
000 
WWUS43 KFSD 011703
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1103 AM CST THU FEB 1 2007

.A STRONG COLD FRONT WILL PUSH THROUGH THE NORTHERN PLAINS THIS
AFTERNOON AND EVENING...PROVIDING A REINFORCING SHOT OF ARCTIC AIR
TO THE REGION. STRONG NORTHWEST WINDS WILL DEVELOP OVER THE AREA
TONIGHT WITH THE PASSAGE OF THE FRONT...AND THE WINDS...COMBINED
WITH VERY COLD TEMPERATURES...WILL PRODUCE WIND CHILLS OF 20
BELOW TO 30 BELOW ZERO LATE TONIGHT THROUGH FRIDAY MORNING.
ADDITIONALLY...TWO MORE SHOTS OF ARCTIC AIR ARE EXPECTED...ONE ON
FRIDAY NIGHT AND ANOTHER ON SUNDAY NIGHT. THIS WILL AGAIN PRODUCE
WIDESPREAD VERY COLD WIND CHILL VALUES FRIDAY NIGHT INTO SATURDAY
NIGHT...AND AGAIN SUNDAY NIGHT INTO MONDAY.

IAZ020>022-031-032-NEZ013-014-SDZ050-063-068>071-020115-
/O.NEW.KFSD.WC.Y.0006.070203T0300Z-070206T0100Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-GREGORY-
CHARLES MIX-BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...GREGORY...BURKE...WAGNER...
PLATTE...LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
1103 AM CST THU FEB 1 2007

...WIND CHILL ADVISORY IN EFFECT FROM 9 PM FRIDAY TO 7 PM CST
MONDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 9 PM FRIDAY TO 7 PM CST
MONDAY. 

A STRONG COLD FRONT WILL MOVE THROUGH THE REGION THIS AFTERNOON
AND TONIGHT...DROPPING WIND CHILL VALUES TO 15 BELOW ZERO TO 20
BELOW ZERO LATE TONIGHT. A SECOND SHOT OF COLDER AIR WILL MOVE IN
FRIDAY NIGHT...DROPPING WIND CHILL VALUES TO 20 BELOW TO 30 BELOW
ZERO THROUGH SUNDAY MORNING. THERE SHOULD BE A PERIOD OF TIME ON
SUNDAY WHERE WINDS WILL BE LIGHTER AND TEMPERATURES WARM ENOUGH TO
DECREASE THE WIND CHILL THREAT...BUT ANOTHER SHOT OF COLD AIR ON
SUNDAY NIGHT INTO MONDAY WILL BRING THE WIND CHILL RIGHT BACK DOWN
TO AROUND 25 BELOW ZERO.

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS OR MORE. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
052>062-064>067-020115-
/O.EXT.KFSD.WC.Y.0005.070202T0800Z-070206T0400Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-
HANSON-MCCOOK-MINNEHAHA-DOUGLAS-HUTCHINSON-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...WESSINGTON SPRINGS...
ALPENA...WOONSOCKET...HOWARD...MADISON...FLANDREAU...
CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...
MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS...ARMOUR...CORSICA...DELMONT...PARKSTON...
FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...MARION...
VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
1103 AM CST THU FEB 1 2007

...WIND CHILL ADVISORY NOW IN EFFECT FROM 2 AM FRIDAY TO 10 PM
CST MONDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM 2 AM FRIDAY TO
10 PM CST MONDAY. 

TEMPERATURES WILL QUICKLY FALL BELOW ZERO THIS EVENING...AND WHEN 
COMBINED WITH NORTHWEST WINDS OF 20 TO 30 MPH...WIND CHILLS VALUES
WILL FALL TO 20 BELOW TO 30 BELOW ZERO. WIND CHILL READINGS ARE
EXPECTED TO IMPROVE AFTER 11 AM ON FRIDAY AS WINDS BECOME LIGHTER
AND TEMPERATURES WARM SLIGHTLY. BUT...ANOTHER SHOT OF COLD AIR ON
FRIDAY NIGHT WILL DROP WIND CHILL VALUES BACK TO 20 BELOW TO 35
BELOW ZERO THROUGH SATURDAY NIGHT. SUNDAY SHOULD SEE A COMBINATION
OF SLIGHTLY WARMER TEMPERATURES AND DECREASED WINDS TO ALLOW FOR A
PERIOD WITH WIND CHILLS AROUND 10 BELOW ZERO. BUT A THIRD SHOT OF
ARCTIC AIR WILL PLUMMET WIND CHILL VALUES AGAIN ON SUNDAY NIGHT
INTO MONDAY.

AREAS ALONG AND NORTH OF INTERSTATE 90 MAY SEE WIND CHILL VALUES
REACH 35 BELOW TO 40 BELOW ZERO LATE SATURDAY NIGHT AND AGAIN
SUNDAY NIGHT INTO MONDAY MORNING. AS CONFIDENCE INCREASES...A WIND
CHILL WARNING MAY BE REQUIRED FOR LOCATIONS LIKE HURON...BROOKINGS
MITCHELL...MARSHALL...PIPESTONE AND SIOUX FALLS

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

08
000 
WWUS43 KFSD 012136
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
336 PM CST THU FEB 1 2007

.A STRONG COLD FRONT WORKING THROUGH THE NORTHERN PLAINS THIS AFTERNOON
AND EVENING WILL BRING MUCH COLDER AIR TO THE REGION. STRONG NORTHWEST
WINDS WILL DEVELOP OVER THE AREA TONIGHT WITH THE PASSAGE OF THE
FRONT...AND THE WINDS... COMBINED WITH VERY COLD
TEMPERATURES...WILL PRODUCE WIND CHILLS OF 20 BELOW TO 30 BELOW
ZERO LATE TONIGHT THROUGH FRIDAY MORNING. ADDITIONALLY...A SERIES
OF REINFORCING SHOTS OF ARCTIC AIR ARE EXPECTED...ONE ON FRIDAY
NIGHT AND ANOTHER ON SUNDAY NIGHT. THIS WILL AGAIN PRODUCE
WIDESPREAD EXTREME WIND CHILL VALUES FRIDAY NIGHT INTO SATURDAY
NIGHT...AND AGAIN SUNDAY NIGHT INTO MONDAY.

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
052>062-064>067-020545-
/O.EXT.KFSD.WC.Y.0005.070202T0400Z-070206T0400Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-
HANSON-MCCOOK-MINNEHAHA-DOUGLAS-HUTCHINSON-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...WESSINGTON SPRINGS...
ALPENA...WOONSOCKET...HOWARD...MADISON...FLANDREAU...
CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...
MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS...ARMOUR...CORSICA...DELMONT...PARKSTON...
FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...MARION...
VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
336 PM CST THU FEB 1 2007

...WIND CHILL ADVISORY NOW IN EFFECT FROM 10 PM THIS EVENING TO
10 PM CST MONDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM 10 PM THIS EVENING
TO 10 PM CST MONDAY. 

TEMPERATURES WILL QUICKLY FALL BELOW ZERO THIS EVENING...AND WHEN
COMBINED WITH NORTHWEST WINDS OF 20 TO 30 MPH...WIND CHILLS
VALUES WILL FALL TO 20 BELOW TO 30 BELOW ZERO. WIND CHILL
READINGS ARE EXPECTED TO IMPROVE AFTER 11 AM ON FRIDAY AS WINDS
BECOME LIGHTER AND TEMPERATURES WARM SLIGHTLY. HOWEVER...ANOTHER SHOT
OF COLD AIR ON FRIDAY NIGHT WILL DROP WIND CHILL VALUES BACK TO
20 BELOW TO 35 BELOW ZERO THROUGH SATURDAY NIGHT. SUNDAY SHOULD
SEE A COMBINATION OF SLIGHTLY WARMER TEMPERATURES AND DECREASED
WINDS TO ALLOW FOR A PERIOD WITH WIND CHILLS AROUND 10 BELOW
ZERO. BUT A THIRD SHOT OF ARCTIC AIR WILL PLUMMET WIND CHILL
VALUES AGAIN ON SUNDAY NIGHT CONTINUING WELL INTO MONDAY.

AREAS ALONG AND NORTH OF INTERSTATE 90 MAY SEE WIND CHILL VALUES
REACH 35 BELOW TO 40 BELOW ZERO LATE SATURDAY NIGHT AND AGAIN
SUNDAY NIGHT INTO MONDAY MORNING. AS CONFIDENCE INCREASES...A
WIND CHILL WARNING MAY BE REQUIRED FOR LOCATIONS LIKE HURON...
BROOKINGS...MITCHELL...MARSHALL...PIPESTONE AND SIOUX FALLS.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ020>022-031-032-NEZ013-014-SDZ050-063-068>071-020545-
/O.EXT.KFSD.WC.Y.0006.070202T0800Z-070206T0100Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-GREGORY-
CHARLES MIX-BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...GREGORY...BURKE...WAGNER...
PLATTE...LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
336 PM CST THU FEB 1 2007

...WIND CHILL ADVISORY NOW IN EFFECT FROM 2 AM FRIDAY TO 7 PM CST
MONDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM 2 AM FRIDAY TO 7 PM
CST MONDAY. 

A STRONG COLD FRONT WILL MOVE THROUGH THE REGION THIS AFTERNOON
AND TONIGHT...DROPPING WIND CHILL VALUES TO 15 BELOW ZERO TO
25 BELOW ZERO LATE TONIGHT. A SECOND SHOT OF COLDER AIR WILL MOVE
IN FRIDAY NIGHT...DROPPING WIND CHILL VALUES TO 20 BELOW TO
30 BELOW ZERO THROUGH SUNDAY MORNING. THERE SHOULD BE A PERIOD OF
TIME ON SUNDAY WHERE WINDS WILL BE LIGHTER AND TEMPERATURES WARM
ENOUGH TO DECREASE THE WIND CHILL THREAT...BUT ANOTHER SHOT OF
COLD AIR ON SUNDAY NIGHT INTO MONDAY WILL BRING THE WIND CHILL
RIGHT BACK DOWN TO 20 TO 30 DEGREES BELOW ZERO.

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS OR MORE. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$
BT
000 
WWUS43 KFSD 020254
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
854 PM CST THU FEB 1 2007

.VERY COLD AIR WILL BE PREVELANT OVER THE NORTHERN PLAINS FROM
FRIDAY INTO EARLY NEXT WEEK. THE ARCTIC AIR INTRUSIONS WILL
CONTINUALLY GET REINFORCED PERIODICALLY AS THE AIR CONTINUES TO
MOVE DOWN FROM CENTRAL CANADA. 

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
052>062-064>067-021100-
/O.CON.KFSD.WC.Y.0005.070202T0400Z-070206T0400Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-
HANSON-MCCOOK-MINNEHAHA-DOUGLAS-HUTCHINSON-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...WESSINGTON SPRINGS...
ALPENA...WOONSOCKET...HOWARD...MADISON...FLANDREAU...
CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...
MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS...ARMOUR...CORSICA...DELMONT...PARKSTON...
FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...MARION...
VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
854 PM CST THU FEB 1 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST MONDAY. 

WIND CHILL VALUES WILL AVERAGE 20 BELOW TO 35 DEGREES BELOW ZERO
LATE TONIGHT AND FRIDAY MORNING...AS AIR TEMPERATURES FALL INTO
THE 3 BELOW ZERO TO 10 BELOW ZERO RANGE. THE WINDS WILL SETTLE
INTO A RANGE OF 10 TO 20 MPH LATE TONIGHT. 

WIND CHILL READINGS ARE THEN EXPECTED TO IMPROVE AFTER 11 AM ON
FRIDAY AS WINDS BECOME LIGHTER AND TEMPERATURES WARM SLIGHTLY.
HOWEVER...ANOTHER SHOT OF COLD AIR FRIDAY NIGHT WILL DROP WIND
CHILL VALUES BACK TO 20 BELOW TO 35 BELOW ZERO THROUGH SATURDAY
NIGHT. SUNDAY SHOULD SEE A COMBINATION OF SLIGHTLY WARMER
TEMPERATURES AND DECREASED WINDS TO ALLOW FOR A PERIOD WITH WIND
CHILLS AROUND 10 BELOW ZERO. BUT A THIRD SHOT OF ARCTIC AIR WILL
PLUMMET WIND CHILL VALUES AGAIN ON SUNDAY NIGHT CONTINUING WELL
INTO MONDAY.

AREAS ALONG AND NORTH OF INTERSTATE 90 MAY SEE WIND CHILL VALUES
REACH 35 BELOW TO 40 BELOW ZERO LATE SATURDAY NIGHT AND AGAIN
SUNDAY NIGHT INTO MONDAY MORNING. AS CONFIDENCE INCREASES...A
WIND CHILL WARNING MAY BE REQUIRED FOR LOCATIONS LIKE HURON...
BROOKINGS...MITCHELL...MARSHALL...PIPESTONE AND SIOUX FALLS.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ020>022-031-032-NEZ013-014-SDZ050-063-068>071-021100-
/O.CON.KFSD.WC.Y.0006.070202T0800Z-070206T0100Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-GREGORY-
CHARLES MIX-BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...GREGORY...BURKE...WAGNER...
PLATTE...LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
854 PM CST THU FEB 1 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 2 AM FRIDAY TO 7 PM
CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 2 AM FRIDAY TO 7 PM
CST MONDAY. 

WIND CHILL VALUES WILL AVERAGE 15 BELOW TO 25 DEGREES BELOW ZERO
LATE TONIGHT AND FRIDAY MORNING...AS AIR TEMPERATURES FALL INTO
THE ZERO TO 5 DEGREES BELOW ZERO RANGE. THE WINDS WILL SETTLE
INTO A RANGE OF 10 TO 20 MPH LATE TONIGHT.

A SECOND SHOT OF COLDER AIR WILL MOVE IN FRIDAY NIGHT...DROPPING
WIND CHILL VALUES TO 20 BELOW TO 30 BELOW ZERO THROUGH SUNDAY
MORNING. THERE SHOULD BE A PERIOD OF TIME ON SUNDAY WHERE WINDS
WILL BE LIGHTER AND TEMPERATURES WARM ENOUGH TO DECREASE THE WIND
CHILL THREAT...BUT ANOTHER SHOT OF COLD AIR ON SUNDAY NIGHT INTO
MONDAY WILL BRING THE WIND CHILL RIGHT BACK DOWN TO 20 TO 30
DEGREES BELOW ZERO.

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS OR MORE. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

MJF/WILLIAMS
000 
WWUS43 KFSD 020957
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
357 AM CST FRI FEB 2 2007

.A SERIES OF REINFORCING SHOTS OF ARCTIC AIR WILL CONTINUE TO
INVADE THE NORTHERN PLAINS THROUGH THE BEGINNING OF NEXT WEEK. THE
VERY COLD TEMPERATURES...IN COMBINATION WITH OVERALL WINDY
CONDITIONS...WILL RESULT IN BITTERLY COLD WIND CHILLS THROUGH THE
PERIOD.

SDZ038-052>054-058>060-064-065-021500-
/O.EXT.KFSD.WC.Y.0005.000000T0000Z-070202T1500Z/
/O.EXT.KFSD.WC.Y.0005.070203T0000Z-070206T0400Z/
BEADLE-JERAULD-SANBORN-MINER-AURORA-DAVISON-HANSON-DOUGLAS-
HUTCHINSON-
INCLUDING THE CITIES OF...HURON...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...HOWARD...PLANKINTON...WHITE LAKE...STICKNEY...
MITCHELL...ALEXANDRIA...EMERY...ARMOUR...CORSICA...DELMONT...
PARKSTON...FREEMAN...MENNO...TRIPP
357 AM CST FRI FEB 2 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS
MORNING...
...WIND CHILL ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO
10 PM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING. AN ADDITIONAL WIND CHILL ADVISORY IS NOW IN EFFECT FROM
6 PM THIS EVENING TO 10 PM CST MONDAY.

WITH TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO THIS
MORNING...WIND CHILL VALUES WILL AVERAGE 20 BELOW TO 25 DEGREES
BELOW ZERO OVER THE AREA THROUGH THE MORNING HOURS. WIND CHILL
VALUES WILL IMPROVE AFTER 9 AM AS TEMPERATURES BEGIN TO WARM
SLIGHTLY.

WITH ARCTIC AIR REMAINING ENTRENCHED OVER THE REGION THROUGH THE
BEGINNING OF NEXT WEEK...WIND CHILL VALUES OF 20 BELOW TO 35 BELOW
ZERO WILL LINGER OVER THE AREA INTO MONDAY AS DAYTIME HIGHS
AVERAGE AROUND ZERO...AND NIGHTTIME LOWS FALL TO 10 BELOW TO 15
BELOW ZERO.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING
TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE THAT ALL
EXPOSED SKIN IS COVERED.

$$

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ039-040-
055-056-061-062-066-067-021700-
/O.EXT.KFSD.WC.Y.0005.000000T0000Z-070202T1700Z/
/O.EXT.KFSD.WC.Y.0005.070203T0000Z-070206T0400Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-KINGSBURY-BROOKINGS-LAKE-
MOODY-MCCOOK-MINNEHAHA-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...MADISON...FLANDREAU...SALEM...
CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG
357 AM CST FRI FEB 2 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 11 AM CST THIS
MORNING...
...WIND CHILL ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO
10 PM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS
MORNING. AN ADDITIONAL WIND CHILL ADVISORY IS NOW IN EFFECT FROM 6
PM THIS EVENING TO 10 PM CST MONDAY.

WITH TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO THIS
MORNING...WIND CHILL VALUES WILL AVERAGE 25 BELOW TO 30 DEGREES
BELOW ZERO OVER THE AREA THROUGH THE MORNING HOURS. WIND CHILL
VALUES WILL IMPROVE AFTER 11 AM AS TEMPERATURES BEGIN TO WARM
SLIGHTLY.

WITH ARCTIC AIR REMAINING ENTRENCHED OVER THE REGION THROUGH THE
BEGINNING OF NEXT WEEK...WIND CHILL VALUES OF 25 BELOW TO 35 BELOW
ZERO WILL LINGER OVER THE AREA INTO MONDAY AS DAYTIME HIGHS
AVERAGE FROM AROUND ZERO TO 5 BELOW...AND NIGHTTIME LOWS FALL TO 10
BELOW TO 15 BELOW ZERO.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ020-031-NEZ013-014-SDZ050-063-068>071-021500-
/O.EXT.KFSD.WC.Y.0006.000000T0000Z-070202T1500Z/
/O.EXT.KFSD.WC.Y.0006.070203T0300Z-070205T2000Z/
PLYMOUTH-WOODBURY-DIXON-DAKOTA-GREGORY-CHARLES MIX-BON HOMME-
YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...SIOUX CITY...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...GREGORY...BURKE...WAGNER...
PLATTE...LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
357 AM CST FRI FEB 2 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS
MORNING...
...WIND CHILL ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING TO
2 PM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING. AN ADDITIONAL WIND CHILL ADVISORY IS NOW IN EFFECT FROM 9
PM THIS EVENING TO 2 PM CST MONDAY.

WITH TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO THIS
MORNING...WIND CHILL VALUES WILL AVERAGE 20 BELOW TO 25 DEGREES
BELOW ZERO OVER THE AREA THROUGH THE MORNING HOURS. WIND CHILL
VALUES WILL IMPROVE AFTER 9 AM AS TEMPERATURES BEGIN TO WARM
SLIGHTLY.

WITH ARCTIC AIR REMAINING ENTRENCHED OVER THE REGION THROUGH THE
BEGINNING OF NEXT WEEK...WIND CHILL VALUES OF 20 BELOW TO 30 BELOW
ZERO WILL LINGER OVER THE AREA INTO MONDAY AS DAYTIME HIGHS
AVERAGE FROM AROUND ZERO TO 5 ABOVE...AND NIGHTTIME LOWS FALL TO 5
BELOW TO 10 BELOW ZERO.

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS OR MORE. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ021-022-032-021700-
/O.EXT.KFSD.WC.Y.0006.000000T0000Z-070202T1700Z/
/O.EXT.KFSD.WC.Y.0006.070203T0300Z-070205T2000Z/
CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...IDA GROVE...
HOLSTEIN...BATTLE CREEK
357 AM CST FRI FEB 2 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 11 AM CST THIS
MORNING...
...WIND CHILL ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING TO
2 PM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS
MORNING. AN ADDITIONAL WIND CHILL ADVISORY IS NOW IN EFFECT FROM
9 PM THIS EVENING TO 2 PM CST MONDAY.

WITH TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO THIS
MORNING...WIND CHILL VALUES WILL AVERAGE 25 BELOW TO 30 DEGREES
BELOW ZERO OVER THE AREA THROUGH THE MORNING HOURS. WIND CHILL
VALUES WILL IMPROVE AFTER 11 AM AS TEMPERATURES BEGIN TO WARM
SLIGHTLY.

WITH ARCTIC AIR REMAINING ENTRENCHED OVER THE REGION THROUGH THE
BEGINNING OF NEXT WEEK...WIND CHILL VALUES OF 20 BELOW TO 30 BELOW
ZERO WILL LINGER OVER THE AREA INTO MONDAY AS DAYTIME HIGHS
AVERAGE FROM AROUND ZERO TO 5 ABOVE...AND NIGHTTIME LOWS FALL TO 5
BELOW TO 10 BELOW ZERO.

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS OR MORE. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

SDZ057-021500-
/O.EXT.KFSD.WC.Y.0005.000000T0000Z-070202T1500Z/
/O.EXT.KFSD.WC.Y.0005.070203T0300Z-070205T2000Z/
BRULE-
INCLUDING THE CITIES OF...CHAMBERLAIN...KIMBALL
357 AM CST FRI FEB 2 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS
MORNING...
...WIND CHILL ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING TO
2 PM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING. AN ADDITIONAL WIND CHILL ADVISORY IS NOW IN EFFECT FROM 9 PM THIS
EVENING TO 2 PM CST MONDAY. 

WITH TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO THIS
MORNING...WIND CHILL VALUES WILL AVERAGE 20 BELOW TO 25 DEGREES
BELOW ZERO OVER THE AREA THROUGH THE MORNING HOURS. WIND CHILL
VALUES WILL IMPROVE AFTER 9 AM AS TEMPERATURES BEGIN TO WARM
SLIGHTLY.

WITH ARCTIC AIR REMAINING ENTRENCHED OVER THE REGION THROUGH THE
BEGINNING OF NEXT WEEK...WIND CHILL VALUES OF 20 BELOW TO 30 BELOW
ZERO WILL LINGER OVER THE AREA INTO MONDAY AS DAYTIME HIGHS
AVERAGE FROM AROUND ZERO TO 5 ABOVE...AND NIGHTTIME LOWS FALL TO
AROUND 10 BELOW ZERO.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING
TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE THAT ALL
EXPOSED SKIN IS COVERED.

$$

JM
000 
WWUS43 KFSD 021507
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
907 AM CST FRI FEB 2 2007

.A SERIES OF REINFORCING SHOTS OF ARCTIC AIR WILL CONTINUE TO
INVADE THE NORTHERN PLAINS THROUGH THE BEGINNING OF NEXT WEEK.
THE VERY COLD TEMPERATURES...IN COMBINATION WITH OVERALL WINDY
CONDITIONS...WILL RESULT IN BITTERLY COLD WIND CHILLS THROUGH THE
PERIOD.

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ039-040-
055-056-061-062-066-067-021700-
/O.CON.KFSD.WC.Y.0005.000000T0000Z-070202T1700Z/
/O.CON.KFSD.WC.Y.0005.070203T0000Z-070206T0400Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-KINGSBURY-BROOKINGS-LAKE-
MOODY-MCCOOK-MINNEHAHA-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...MADISON...FLANDREAU...SALEM...
CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG
907 AM CST FRI FEB 2 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS
MORNING...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 10 PM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS
MORNING. A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 10 PM CST MONDAY. 

WITH TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO THIS MORNING...
WIND CHILL VALUES WILL AVERAGE 20 BELOW TO 30 DEGREES BELOW ZERO
OVER THE AREA THROUGH THE MORNING HOURS. WIND CHILL VALUES WILL
IMPROVE AFTER 11 AM AS TEMPERATURES BEGIN TO WARM SLIGHTLY.

WITH ARCTIC AIR REMAINING ENTRENCHED OVER THE REGION THROUGH THE
BEGINNING OF NEXT WEEK...WIND CHILL VALUES OF 25 BELOW TO 35 BELOW
ZERO WILL RETURN TO THE AREA THIS EVENING...AND LINGER OVER THE AREA
INTO MONDAY.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ021-022-032-021700-
/O.CON.KFSD.WC.Y.0006.000000T0000Z-070202T1700Z/
/O.CON.KFSD.WC.Y.0006.070203T0300Z-070205T2000Z/
CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...IDA GROVE...
HOLSTEIN...BATTLE CREEK
907 AM CST FRI FEB 2 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS
MORNING...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 2 PM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS
MORNING. A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 PM THIS
EVENING TO 2 PM CST MONDAY. 

WITH TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO THIS MORNING...
WIND CHILL VALUES WILL AVERAGE 20 BELOW TO 30 DEGREES BELOW ZERO
OVER THE AREA THROUGH THE LATE MORNING. WIND CHILL VALUES WILL
IMPROVE AFTER 11 AM AS TEMPERATURES BEGIN TO WARM SLIGHTLY.

WITH ARCTIC AIR REMAINING ENTRENCHED OVER THE REGION THROUGH THE
BEGINNING OF NEXT WEEK...WIND CHILL VALUES OF 20 BELOW TO 30 BELOW
ZERO WILL RETURN TO THE AREA THIS EVENING...AND LINGER OVER THE AREA
INTO MONDAY.

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS OR MORE. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

SDZ038-052>054-058>060-064-065-022315-
/O.CON.KFSD.WC.Y.0005.070203T0000Z-070206T0400Z/
BEADLE-JERAULD-SANBORN-MINER-AURORA-DAVISON-HANSON-DOUGLAS-
HUTCHINSON-
INCLUDING THE CITIES OF...HURON...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...HOWARD...PLANKINTON...WHITE LAKE...STICKNEY...
MITCHELL...ALEXANDRIA...EMERY...ARMOUR...CORSICA...DELMONT...
PARKSTON...FREEMAN...MENNO...TRIPP
907 AM CST FRI FEB 2 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 10 PM CST MONDAY...

THE WIND CHILL ADVISORY HAS EXPIRED FOR THIS MORNING. A WIND CHILL
ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 10 PM CST
MONDAY.

TEMPERATURES HAVE RISEN TO ZERO OR JUST ABOVE ZERO AS OF 9 AM...
ALLOWING FOR SLIGHT IMPROVEMENT IN WIND CHILL VALUES THIS MORNING. 

WITH ARCTIC AIR REMAINING ENTRENCHED OVER THE REGION THROUGH THE
BEGINNING OF NEXT WEEK...WIND CHILL VALUES OF 20 BELOW TO 30 BELOW
ZERO WILL RETURN TO THE AREA THIS EVENING...AND LINGER OVER THE AREA
INTO MONDAY.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE WITH
COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES BELOW ZERO OR
COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING TO VENTURE
OUTDOORS SHOULD DRESS WARMLY...MAKING SURE THAT ALL EXPOSED SKIN IS
COVERED.

$$

IAZ020-031-NEZ013-014-SDZ050-063-068>071-022315-
/O.CON.KFSD.WC.Y.0006.070203T0300Z-070205T2000Z/
PLYMOUTH-WOODBURY-DIXON-DAKOTA-GREGORY-CHARLES MIX-BON HOMME-
YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...SIOUX CITY...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...GREGORY...BURKE...WAGNER...
PLATTE...LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
907 AM CST FRI FEB 2 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 2 PM CST MONDAY...

THE WIND CHILL ADVISORY HAS EXPIRED FOR THIS MORNING. A WIND CHILL
ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 2 PM CST MONDAY.

TEMPERATURES HAVE RISEN TO ZERO OR JUST ABOVE ZERO AS OF 9 AM...
ALLOWING FOR SLIGHT IMPROVEMENT IN WIND CHILL VALUES THIS MORNING. 

WITH ARCTIC AIR REMAINING ENTRENCHED OVER THE REGION THROUGH THE
BEGINNING OF NEXT WEEK...WIND CHILL VALUES OF 20 BELOW TO 30 BELOW
ZERO WILL RETURN TO THE AREA THIS EVENING...AND LINGER OVER THE AREA
INTO MONDAY.

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS WILL COMBINE WITH
COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES BELOW ZERO OR
COLDER FOR A PERIOD OF SEVERAL HOURS OR MORE. THOSE PLANNING TO
VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE THAT ALL EXPOSED
SKIN IS COVERED.

$$

SDZ057-022315-
/O.CON.KFSD.WC.Y.0005.070203T0300Z-070205T2000Z/
BRULE-
INCLUDING THE CITIES OF...CHAMBERLAIN...KIMBALL
907 AM CST FRI FEB 2 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 2 PM CST MONDAY...

THE WIND CHILL ADVISORY HAS EXPIRED FOR THIS MORNING. A WIND CHILL
ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 2 PM CST MONDAY.

TEMPERATURES HAVE RISEN TO ZERO OR JUST ABOVE ZERO AS OF 9 AM...
ALLOWING FOR SLIGHT IMPROVEMENT IN WIND CHILL VALUES THIS MORNING. 

WITH ARCTIC AIR REMAINING ENTRENCHED OVER THE REGION THROUGH THE
BEGINNING OF NEXT WEEK...WIND CHILL VALUES OF 20 BELOW TO 30 BELOW
ZERO WILL RETURN TO THE AREA THIS EVENING...AND LINGER OVER THE AREA
INTO MONDAY.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE WITH
COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES BELOW ZERO OR
COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING TO VENTURE
OUTDOORS SHOULD DRESS WARMLY...MAKING SURE THAT ALL EXPOSED SKIN IS
COVERED.

$$
 JH
000 
WWUS43 KFSD 021704
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1104 AM CST FRI FEB 2 2007

.A SERIES OF REINFORCING SHOTS OF ARCTIC AIR WILL CONTINUE TO
INVADE THE NORTHERN PLAINS THROUGH THE BEGINNING OF NEXT WEEK.
THE VERY COLD TEMPERATURES...IN COMBINATION WITH OVERALL WINDY
CONDITIONS...WILL RESULT IN BITTERLY COLD WIND CHILLS THROUGH THE
PERIOD.

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
052>056-058>062-064>067-030115-
/O.CON.KFSD.WC.Y.0005.070203T0000Z-070206T0400Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-JERAULD-SANBORN-MINER-LAKE-MOODY-AURORA-DAVISON-HANSON-
MCCOOK-MINNEHAHA-DOUGLAS-HUTCHINSON-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...WESSINGTON SPRINGS...
ALPENA...WOONSOCKET...HOWARD...MADISON...FLANDREAU...PLANKINTON...
WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA...EMERY...SALEM...
CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS...ARMOUR...
CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG
1104 AM CST FRI FEB 2 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 10 PM CST MONDAY...

THE WIND CHILL ADVISORY HAS EXPIRED FOR THIS MORNING. A WIND CHILL
ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 10 PM CST
MONDAY.

ARCTIC AIR WILL REMAIN ENTRENCHED OVER THE REGION THROUGH THE
BEGINNING OF NEXT WEEK. WIND CHILL VALUES OF 20 BELOW TO 35 BELOW
ZERO WILL RETURN TO THE AREA EARLY THIS EVENING...AND LINGER OVER
THE AREA INTO MONDAY.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ020>022-031-032-NEZ013-014-SDZ050-063-068>071-030115-
/O.CON.KFSD.WC.Y.0006.070203T0300Z-070205T2000Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-GREGORY-
CHARLES MIX-BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...GREGORY...BURKE...WAGNER...
PLATTE...LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
1104 AM CST FRI FEB 2 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 2 PM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
2 PM CST MONDAY. 

ARCTIC AIR WILL REMAIN ENTRENCHED OVER THE REGION THROUGH THE
BEGINNING OF NEXT WEEK. WIND CHILL VALUES OF 20 BELOW TO 30 BELOW
ZERO WILL RETURN TO THE AREA THIS EVENING...AND LINGER OVER THE AREA
INTO MONDAY.

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS OR MORE. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

SDZ057-030115-
/O.CON.KFSD.WC.Y.0005.070203T0300Z-070205T2000Z/
BRULE-
INCLUDING THE CITIES OF...CHAMBERLAIN...KIMBALL
1104 AM CST FRI FEB 2 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 2 PM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
2 PM CST MONDAY. 

ARCTIC AIR WILL REMAIN ENTRENCHED OVER THE REGION THROUGH THE
BEGINNING OF NEXT WEEK. WIND CHILL VALUES OF 20 BELOW TO 30 BELOW
ZERO WILL RETURN TO THE AREA THIS EVENING...AND LINGER OVER THE AREA
INTO MONDAY.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$
 JH
000 
WWUS43 KFSD 022112
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
312 PM CST FRI FEB 2 2007

.A SERIES OF REINFORCING SHOTS OF ARCTIC AIR WILL CONTINUE TO
INVADE THE NORTHERN PLAINS THROUGH THE BEGINNING OF NEXT WEEK.
THE VERY COLD TEMPERATURES...IN COMBINATION WITH OVERALL WINDY
CONDITIONS...WILL RESULT IN BITTERLY COLD WIND CHILLS THROUGH THE
PERIOD.

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
052>056-058>062-064>067-030515-
/O.CON.KFSD.WC.Y.0005.070203T0000Z-070206T0400Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-JERAULD-SANBORN-MINER-LAKE-MOODY-AURORA-DAVISON-HANSON-
MCCOOK-MINNEHAHA-DOUGLAS-HUTCHINSON-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...WESSINGTON SPRINGS...
ALPENA...WOONSOCKET...HOWARD...MADISON...FLANDREAU...PLANKINTON...
WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA...EMERY...SALEM...
CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS...ARMOUR...
CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG
312 PM CST FRI FEB 2 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 10 PM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
10 PM CST MONDAY. 

ARCTIC AIR WILL RETURN AND REMAIN ENTRENCHED OVER THE REGION
THROUGH THE BEGINNING OF NEXT WEEK. WIND CHILL VALUES OF 20 BELOW
TO 35 BELOW ZERO WILL RETURN TO THE AREA EARLY THIS EVENING...AND
LINGER OVER THE AREA INTO MONDAY.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ020>022-031-032-NEZ013-014-SDZ050-063-068>071-030515-
/O.CON.KFSD.WC.Y.0006.070203T0300Z-070205T2000Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-GREGORY-
CHARLES MIX-BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...GREGORY...BURKE...WAGNER...
PLATTE...LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
312 PM CST FRI FEB 2 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 2 PM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
2 PM CST MONDAY. 

ARCTIC AIR WILL RETURN AND REMAIN ENTRENCHED OVER THE REGION
THROUGH THE BEGINNING OF NEXT WEEK. WIND CHILL VALUES OF 20 BELOW
TO 30 BELOW ZERO WILL RETURN TO THE AREA THIS EVENING...AND LINGER
OVER THE AREA INTO MONDAY.

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS OR MORE. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

SDZ057-030515-
/O.CON.KFSD.WC.Y.0005.070203T0300Z-070205T2000Z/
BRULE-
INCLUDING THE CITIES OF...CHAMBERLAIN...KIMBALL
312 PM CST FRI FEB 2 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 2 PM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
2 PM CST MONDAY. 

ARCTIC AIR WILL RETURN AND REMAIN ENTRENCHED OVER THE REGION
THROUGH THE BEGINNING OF NEXT WEEK. WIND CHILL VALUES OF 20 BELOW
TO 30 BELOW ZERO WILL RETURN TO THE AREA THIS EVENING...AND LINGER
OVER THE AREA INTO MONDAY.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$
BT
000 
WWUS43 KFSD 030306
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
906 PM CST FRI FEB 2 2007

.A SERIES OF REINFORCING SHOTS OF ARCTIC AIR WILL CONTINUE TO
INVADE THE NORTHERN PLAINS THROUGH THE BEGINNING OF NEXT WEEK.
THE VERY COLD TEMPERATURES...IN COMBINATION WITH OVERALL BREEZY
CONDITIONS...WILL RESULT IN BITTERLY COLD WIND CHILLS THROUGH THE
PERIOD.

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
052>056-058>062-064>067-031115-
/O.CON.KFSD.WC.Y.0005.000000T0000Z-070206T0400Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-JERAULD-SANBORN-MINER-LAKE-MOODY-AURORA-DAVISON-HANSON-
MCCOOK-MINNEHAHA-DOUGLAS-HUTCHINSON-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...WESSINGTON SPRINGS...
ALPENA...WOONSOCKET...HOWARD...MADISON...FLANDREAU...PLANKINTON...
WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA...EMERY...SALEM...
CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS...ARMOUR...
CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG
906 PM CST FRI FEB 2 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST MONDAY. 

ARCTIC AIR WILL REMAIN ENTRENCHED OVER THE REGION THROUGH THE
BEGINNING OF NEXT WEEK...WITH WIND CHILL VALUES OF 20 BELOW TO 35
BELOW ZERO THROUGH MONDAY.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ020>022-031-032-NEZ013-014-SDZ050-063-068>071-031115-
/O.CON.KFSD.WC.Y.0006.000000T0000Z-070205T2000Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-GREGORY-
CHARLES MIX-BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...GREGORY...BURKE...WAGNER...
PLATTE...LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
906 PM CST FRI FEB 2 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 2 PM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 2 PM CST MONDAY. 

ARCTIC AIR WILL REMAIN ENTRENCHED OVER THE REGION THROUGH THE
BEGINNING OF NEXT WEEK...WITH WIND CHILL VALUES OF 20 BELOW TO 30
BELOW ZERO THROUGH MONDAY.

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS OR MORE. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

SDZ057-031115-
/O.CON.KFSD.WC.Y.0005.000000T0000Z-070205T2000Z/
BRULE-
INCLUDING THE CITIES OF...CHAMBERLAIN...KIMBALL
906 PM CST FRI FEB 2 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 2 PM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 2 PM CST MONDAY. 

ARCTIC AIR WILL REMAIN ENTRENCHED OVER THE REGION THROUGH THE
BEGINNING OF NEXT WEEK...WITH WIND CHILL VALUES OF 20 BELOW TO 
30 BELOW ZERO INTO MONDAY.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$
000 
WWUS43 KFSD 030951
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
351 AM CST SAT FEB 3 2007

.A SERIES OF REINFORCING SHOTS OF ARCTIC AIR WILL CONTINUE TO
INVADE THE NORTHERN PLAINS THROUGH THE WEEKEND. THE VERY COLD
TEMPERATURES...IN COMBINATION WITH OVERALL BREEZY CONDITIONS...WILL
RESULT IN BITTERLY COLD WIND CHILLS...ESPECIALLY DURING THE OVERNIGHT
AND MORNING HOURS. 

A RIDGE OF HIGH PRESSURE WILL SETTLE OVER THE AREA LATER SUNDAY
NIGHT...ALLOWING WINDS TO BECOME LIGHTER THAN PREVIOUSLY EXPECTED.
THOUGH AIR TEMPERATURES WILL STILL BE QUITE COLD BY MONDAY MORNING...
CLOSE TO 20 BELOW IN SOME AREAS...THE LIGHTER WINDS WILL MINIMIZE ANY
ADDITIONAL WIND CHILL EFFECT.

NEZ013-SDZ050-063-068>070-031800-
/O.EXT.KFSD.WC.Y.0006.000000T0000Z-070203T1800Z/
/O.EXT.KFSD.WC.Y.0006.070204T0600Z-070205T0600Z/
DIXON-GREGORY-CHARLES MIX-BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...GREGORY...
BURKE...WAGNER...PLATTE...LAKE ANDES...MARTY...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION
351 AM CST SAT FEB 3 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY NOW IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST SUNDAY NIGHT...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL NOON CST TODAY.
THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST SUNDAY NIGHT. 

WIND CHILL VALUES WILL REMAIN IN THE 20 BELOW TO 30 BELOW ZERO RANGE
THIS MORNING. SOME IMPROVEMENT IS EXPECTED AS AIR TEMPERATURES CLIMB
INTO THE SINGLE DIGITS ABOVE ZERO THIS AFTERNOON...AND WITH WINDS
DIMINISHING DURING THE EVENING HOURS. HOWEVER...WIND CHILLS WILL DROP
BACK INTO THE 20 BELOW TO 25 BELOW RANGE LATER TONIGHT INTO SUNDAY.

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS OR MORE. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

SDZ052-057>059-064-065-031800-
/O.EXT.KFSD.WC.Y.0005.000000T0000Z-070203T1800Z/
/O.EXT.KFSD.WC.Y.0005.070204T0600Z-070205T0600Z/
JERAULD-BRULE-AURORA-DAVISON-DOUGLAS-HUTCHINSON-
INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA...
CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...
MITCHELL...ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...
MENNO...TRIPP
351 AM CST SAT FEB 3 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY NOW IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST SUNDAY NIGHT...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL NOON CST TODAY.
THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST SUNDAY NIGHT. 

WIND CHILL VALUES WILL REMAIN IN THE 20 BELOW TO 30 BELOW ZERO RANGE
THIS MORNING. SOME IMPROVEMENT IS EXPECTED AS AIR TEMPERATURES CLIMB
INTO THE SINGLE DIGITS ABOVE ZERO THIS AFTERNOON...AND WITH WINDS
DIMINISHING DURING THE EVENING HOURS. HOWEVER...WIND CHILLS WILL DROP
BACK INTO THE 20 BELOW TO 25 BELOW RANGE LATER TONIGHT INTO SUNDAY.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE WITH
COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES BELOW ZERO OR
COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING TO VENTURE
OUTDOORS SHOULD DRESS WARMLY...MAKING SURE THAT ALL EXPOSED SKIN IS
COVERED.

$$

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
053>056-060>062-066-067-031800-
/O.EXT.KFSD.WC.Y.0005.000000T0000Z-070205T0600Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-SANBORN-MINER-LAKE-MOODY-HANSON-MCCOOK-MINNEHAHA-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...WOONSOCKET...HOWARD...
MADISON...FLANDREAU...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG
351 AM CST SAT FEB 3 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST SUNDAY
NIGHT...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT CST
SUNDAY NIGHT. 

ARCTIC AIR WILL REMAIN ENTRENCHED OVER THE REGION THROUGH THE 
WEEKEND...WITH WIND CHILL VALUES OF 20 BELOW TO 35 BELOW ZERO 
THROUGH SUNDAY EVENING. ACTUAL AIR TEMPERATURES WILL STILL BE 
QUITE COLD THROUGH MONDAY MORNING...NEARING 20 BELOW IN SOME 
AREAS. HOWEVER...WINDS ARE EXPECTED TO BECOME LIGHT LATER SUNDAY
NIGHT AND MONDAY MORNING...LIMITING THE WIND CHILL EFFECT.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ020>022-031-032-NEZ014-SDZ071-031800-
/O.EXT.KFSD.WC.Y.0006.000000T0000Z-070205T0600Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DAKOTA-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...
SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
351 AM CST SAT FEB 3 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST SUNDAY
NIGHT...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT CST
SUNDAY NIGHT. 

ARCTIC AIR WILL REMAIN ENTRENCHED OVER THE REGION THROUGH THE
BEGINNING OF NEXT WEEK...WITH WIND CHILL VALUES OF 20 BELOW TO
30 BELOW ZERO THROUGH SUNDAY EVENING. WINDS ARE EXPECTED TO BECOME
LIGHT LATER SUNDAY NIGHT THROUGH MONDAY MORNING...LIMITING THE WIND
CHILL EFFECT AFTER MIDNIGHT SUNDAY NIGHT.

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS OR MORE. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$
 JH
000 
WWUS43 KFSD 031745
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1145 AM CST SAT FEB 3 2007

.A SERIES OF REINFORCING SHOTS OF ARCTIC AIR WILL CONTINUE TO
INVADE THE NORTHERN PLAINS THROUGH THE WEEKEND. THE VERY COLD
TEMPERATURES...IN COMBINATION WITH PERIODS OF BREEZY CONDITIONS...
WILL RESULT IN BITTERLY COLD WIND CHILLS...ESPECIALLY DURING THE
OVERNIGHT AND MORNING HOURS.  EVEN WHEN WINDS DROP OFF SOMEWHAT
AT TIMES AT NIGHT...ACTUAL TEMPERATURES WILL BECOME VERY COLD...
AS COLD AS 20 BELOW IN AREAS ON MONDAY MORNING.

NEZ013-SDZ050-063-068>070-040145-
/O.EXP.KFSD.WC.Y.0006.000000T0000Z-070203T1800Z/
/O.CON.KFSD.WC.Y.0006.070204T0600Z-070205T0600Z/
DIXON-GREGORY-CHARLES MIX-BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...GREGORY...
BURKE...WAGNER...PLATTE...LAKE ANDES...MARTY...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION
1145 AM CST SAT FEB 3 2007

...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST SUNDAY NIGHT...

THE WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY. A WIND
CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST SUNDAY NIGHT. 

WIND CHILL VALUES WILL MODERATE TO 10 BELOW TO 20 BELOW THIS
AFTERNOON AND EVENING...AS AIR TEMPERATURES CLIMB INTO THE SINGLE
DIGITS ABOVE ZERO THIS AFTERNOON...AND WINDS DIMINISHING DURING
THE EVENING HOURS. HOWEVER...WIND CHILLS WILL DROP BACK INTO THE
20 BELOW TO 25 BELOW RANGE LATER TONIGHT INTO SUNDAY.

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS OR MORE. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

SDZ052-057>059-064-065-040145-
/O.EXP.KFSD.WC.Y.0005.000000T0000Z-070203T1800Z/
/O.CON.KFSD.WC.Y.0005.070204T0600Z-070205T0600Z/
JERAULD-BRULE-AURORA-DAVISON-DOUGLAS-HUTCHINSON-
INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA...
CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...
MITCHELL...ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...
MENNO...TRIPP
1145 AM CST SAT FEB 3 2007

...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST SUNDAY NIGHT...

THE WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY. A WIND
CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST SUNDAY NIGHT. 

WIND CHILL VALUES WILL MODERATE SLIGHTLY TO 15 BELOW TO 20 BELOW
RANGE THIS AFTERNOON AND EVENING...AS AIR TEMPERATURES CLIMB TO
THE SINGLE DIGITS ABOVE ZERO THIS AFTERNOON...AND WITH WINDS
DIMINISHING DURING THE EVENING HOURS. HOWEVER...WIND CHILLS WILL
DROP BACK INTO THE 20 BELOW TO 30 BELOW RANGE LATER TONIGHT INTO
SUNDAY.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
053>056-060>062-066-067-040145-
/O.CON.KFSD.WC.Y.0005.000000T0000Z-070205T0600Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-SANBORN-MINER-LAKE-MOODY-HANSON-MCCOOK-MINNEHAHA-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...WOONSOCKET...HOWARD...
MADISON...FLANDREAU...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG
1145 AM CST SAT FEB 3 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
SUNDAY NIGHT...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST SUNDAY
NIGHT. 

ARCTIC AIR WILL REMAIN ENTRENCHED OVER THE REGION THROUGH THE
WEEKEND...WITH WIND CHILL VALUES OF 20 BELOW TO 35 BELOW ZERO
THROUGH SUNDAY EVENING. PERIODS OF STRONGER WINDS WILL ENHANCE
THE WIND CHILL EFFECT...AND EVEN WHEN WINDS DIMINISH AT TIMES
DURING THE OVERNIGHT HOURS AND TOWARD MONDAY...ACTUAL AIR
TEMPERATURES WILL STILL BE QUITE COLD...NEARING 20 BELOW IN SOME
AREAS. 

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ020>022-031-032-NEZ014-SDZ071-040145-
/O.CON.KFSD.WC.Y.0006.000000T0000Z-070205T0600Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DAKOTA-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...
SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
1145 AM CST SAT FEB 3 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
SUNDAY NIGHT...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST SUNDAY
NIGHT. 

ARCTIC AIR WILL REMAIN ENTRENCHED OVER THE REGION THROUGH THE
WEEKEND...WITH WIND CHILL VALUES OF 20 BELOW TO 35 BELOW ZERO
THROUGH SUNDAY EVENING. PERIODS OF STRONGER WINDS WILL ENHANCE
THE WIND CHILL EFFECT...AND EVEN WHEN WINDS DIMINISH AT TIMES
DURING THE OVERNIGHT HOURS AND TOWARD MONDAY...ACTUAL AIR
TEMPERATURES WILL STILL BE QUITE COLD...NEARING 20 BELOW IN SOME
AREAS. 

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS OR MORE. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

CHAPMAN
000 
WWUS43 KFSD 032157
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
357 PM CST SAT FEB 3 2007

.A SERIES OF REINFORCING SHOTS OF ARCTIC AIR WILL CONTINUE TO
INVADE THE NORTHERN PLAINS THROUGH THE REMAINDER OF THE WEEKEND. THE
VERY COLD TEMPERATURES...IN COMBINATION WITH PERIODS OF BREEZY
CONDITIONS... WILL RESULT IN BITTERLY COLD WIND
CHILLS...ESPECIALLY DURING THE OVERNIGHT AND MORNING HOURS. EVEN
WHEN WINDS DROP OFF SOMEWHAT AT TIMES AT NIGHT...ACTUAL
TEMPERATURES WILL BECOME VERY COLD... APPROACHING 25 BELOW ZERO AT TIMES.

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
053>056-060>062-066-067-040600-
/O.CON.KFSD.WC.Y.0005.000000T0000Z-070205T0600Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-SANBORN-MINER-LAKE-MOODY-HANSON-MCCOOK-MINNEHAHA-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...WOONSOCKET...HOWARD...
MADISON...FLANDREAU...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG
357 PM CST SAT FEB 3 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
SUNDAY NIGHT...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST SUNDAY
NIGHT. 

ARCTIC AIR WILL REMAIN ENTRENCHED OVER THE REGION THROUGH THE
WEEKEND...WITH WIND CHILL VALUES OF 20 BELOW TO 40 BELOW ZERO
THROUGH SUNDAY EVENING. PERIODS OF STRONGER WINDS WILL ENHANCE
THE WIND CHILL EFFECT...AND EVEN WHEN WINDS DIMINISH AT TIMES
DURING THE OVERNIGHT HOURS AND TOWARD MONDAY...ACTUAL AIR
TEMPERATURES WILL STILL BE QUITE COLD...WITH ACTUAL TEMPERATURES
AROUND 20 BELOW.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ020>022-031-032-NEZ014-SDZ071-040600-
/O.CON.KFSD.WC.Y.0006.000000T0000Z-070205T0600Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DAKOTA-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...
SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
357 PM CST SAT FEB 3 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
SUNDAY NIGHT...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST SUNDAY
NIGHT. 

ARCTIC AIR WILL REMAIN ENTRENCHED OVER THE REGION THROUGH THE
WEEKEND...WITH WIND CHILL VALUES OF 20 BELOW TO 35 BELOW ZERO
THROUGH SUNDAY EVENING. PERIODS OF STRONGER WINDS WILL ENHANCE
THE WIND CHILL EFFECT...AND EVEN WHEN WINDS DIMINISH AT TIMES
DURING THE OVERNIGHT HOURS AND TOWARD MONDAY...ACTUAL AIR
TEMPERATURES WILL STILL BE QUITE COLD...NEARING 20 BELOW IN SOME
AREAS.

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS OR MORE. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

NEZ013-SDZ050-063-068>070-040600-
/O.CON.KFSD.WC.Y.0006.070204T0600Z-070205T0600Z/
DIXON-GREGORY-CHARLES MIX-BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...GREGORY...
BURKE...WAGNER...PLATTE...LAKE ANDES...MARTY...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION
357 PM CST SAT FEB 3 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST SUNDAY NIGHT...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST SUNDAY NIGHT. 

ARCTIC AIR WILL REMAIN ENTRENCHED OVER THE REGION THROUGH THE
WEEKEND...WITH WIND CHILL VALUES OF 20 BELOW TO 30 BELOW ZERO
THROUGH SUNDAY EVENING. PERIODS OF STRONGER WINDS WILL ENHANCE
THE WIND CHILL EFFECT...AND EVEN WHEN WINDS DIMINISH AT TIMES
DURING THE OVERNIGHT HOURS AND TOWARD MONDAY...ACTUAL AIR
TEMPERATURES WILL STILL BE QUITE COLD...WITH ACTUAL TEMPERATURES
AROUND 20 BELOW.

A WIND CHILL ADVISORY IS ISSUED WHEN STRONG WINDS WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS OR MORE. THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

SDZ052-057>059-064-065-040600-
/O.CON.KFSD.WC.Y.0005.070204T0600Z-070205T0600Z/
JERAULD-BRULE-AURORA-DAVISON-DOUGLAS-HUTCHINSON-
INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA...
CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...
MITCHELL...ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...
MENNO...TRIPP
357 PM CST SAT FEB 3 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST SUNDAY NIGHT...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST SUNDAY NIGHT. 

TEMPERATURES WILL FALL TO SUBZERO LEVELS THIS EVENING...AND WITH
WEST TO NORTHWEST WINDS CONTINUING WIND CHILL VALUES WILL FALL TO
20 TO 30 DEGREES BELOW ZERO. TEMPERATURES WILL RISE ABOVE ZERO ON
SUNDAY...BUT WILL FALL TO THE COLDEST READING OF THE SEASON SUNDAY
NIGHT RESULTING IN WIND CHILLS OF 20 TO 30 DEGREES BELOW ZERO.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING
TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE THAT ALL
EXPOSED SKIN IS COVERED.

$$
BT
000 
WWUS43 KFSD 040234
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
834 PM CST SAT FEB 3 2007

.A SERIES OF REINFORCING SHOTS OF ARCTIC AIR WILL CONTINUE TO
INVADE THE NORTHERN PLAINS THROUGH THE REMAINDER OF THE WEEKEND.
THE VERY COLD TEMPERATURES...IN COMBINATION WITH PERIODS OF
BREEZY CONDITIONS... WILL RESULT IN BITTERLY COLD WIND CHILLS...
ESPECIALLY DURING THE OVERNIGHT AND MORNING HOURS. 

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
053>056-060>062-066-067-041045-
/O.CON.KFSD.WC.Y.0005.000000T0000Z-070205T0600Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-SANBORN-MINER-LAKE-MOODY-HANSON-MCCOOK-MINNEHAHA-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...WOONSOCKET...HOWARD...
MADISON...FLANDREAU...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG
834 PM CST SAT FEB 3 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
SUNDAY NIGHT...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST SUNDAY
NIGHT. 

ARCTIC AIR WILL REMAIN ENTRENCHED OVER THE REGION THROUGH THE
WEEKEND...WITH WIND CHILL VALUES OF 20 BELOW TO 40 BELOW ZERO
THROUGH SUNDAY EVENING. PERIODS OF STRONGER WINDS WILL ENHANCE
THE WIND CHILL EFFECT.

A WIND CHILL ADVISORY IS ISSUED WHEN WIND WILL COMBINE WITH COLD
TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES BELOW ZERO
OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING TO VENTURE
OUTDOORS SHOULD DRESS WARMLY...MAKING SURE THAT ALL EXPOSED SKIN
IS COVERED.

$$

NEZ013-SDZ050-063-068>070-041045-
/O.CON.KFSD.WC.Y.0006.070204T0600Z-070205T0600Z/
DIXON-GREGORY-CHARLES MIX-BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...GREGORY...
BURKE...WAGNER...PLATTE...LAKE ANDES...MARTY...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION
834 PM CST SAT FEB 3 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST SUNDAY NIGHT...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST SUNDAY NIGHT. 

ARCTIC AIR WILL REMAIN ENTRENCHED OVER THE REGION THROUGH THE
WEEKEND...WITH WIND CHILL VALUES OF 20 BELOW TO 30 BELOW ZERO
THROUGH SUNDAY EVENING. PERIODS OF STRONGER WINDS WILL ENHANCE THE
WIND CHILL EFFECT.

A WIND CHILL ADVISORY IS ISSUED WHEN WIND WILL COMBINE WITH COLD
TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES BELOW ZERO
OR COLDER FOR A PERIOD OF SEVERAL HOURS OR MORE. THOSE PLANNING TO
VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE THAT ALL
EXPOSED SKIN IS COVERED.

$$

IAZ020>022-031-032-NEZ014-SDZ071-041045-
/O.CON.KFSD.WC.Y.0006.000000T0000Z-070205T0600Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DAKOTA-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...
SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
834 PM CST SAT FEB 3 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
SUNDAY NIGHT...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST SUNDAY
NIGHT. 

ARCTIC AIR WILL REMAIN ENTRENCHED OVER THE REGION THROUGH THE
WEEKEND...WITH WIND CHILL VALUES OF 20 BELOW TO 35 BELOW ZERO
THROUGH SUNDAY EVENING. PERIODS OF STRONGER WINDS WILL ENHANCE
THE WIND CHILL EFFECT.

A WIND CHILL ADVISORY IS ISSUED WHEN WIND WILL COMBINE WITH COLD
TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES BELOW ZERO
OR COLDER FOR A PERIOD OF SEVERAL HOURS OR MORE. THOSE PLANNING TO
VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE THAT ALL
EXPOSED SKIN IS COVERED.

$$

SDZ052-057>059-064-065-041045-
/O.CON.KFSD.WC.Y.0005.070204T0600Z-070205T0600Z/
JERAULD-BRULE-AURORA-DAVISON-DOUGLAS-HUTCHINSON-
INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA...
CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...
MITCHELL...ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...
MENNO...TRIPP
834 PM CST SAT FEB 3 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST SUNDAY NIGHT...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CST SUNDAY NIGHT. 

TEMPERATURES WILL FALL TO SUBZERO LEVELS THIS EVENING...AND WITH
WEST TO NORTHWEST WINDS CONTINUING WIND CHILL VALUES WILL FALL TO
20 TO 30 DEGREES BELOW ZERO. TEMPERATURES WILL RISE ABOVE ZERO ON
SUNDAY...BUT WILL FALL TO THE COLDEST READING OF THE SEASON
SUNDAY NIGHT RESULTING IN WIND CHILLS OF 20 TO 30 DEGREES BELOW
ZERO.

A WIND CHILL ADVISORY IS ISSUED WHEN WIND WILL COMBINE WITH COLD
TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES BELOW ZERO
OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING TO VENTURE
OUTDOORS SHOULD DRESS WARMLY...MAKING SURE THAT ALL EXPOSED SKIN
IS COVERED.

$$
000 
WWUS43 KFSD 040956
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
356 AM CST SUN FEB 4 2007

.UNSEASONABLY COLD AIR WILL REMAIN ENTRENCHED ACROSS THE AREA THROUGH
MONDAY. HOWEVER...A STRENGTHENING RIDGE OF HIGH PRESSURE MOVING EAST
THROUGH THE REGION WILL BRING A DECREASE IN WINDS THIS AFTERNOON AND
TONIGHT. VARIABLE WINDS LESS THAN 10 MPH ARE EXPECTED WEST OF THE
JAMES VALLEY THIS AFTERNOON...AND OVER THE REMAINDER OF SOUTHEAST
SOUTH DAKOTA...INTO SOUTHWEST MINNESOTA AND NORTHWEST IOWA BY LATE
THIS EVENING. ACTUAL AIR TEMPERATURES WILL REMAIN WELL BELOW NORMAL...
WITH SOME AREAS EAST OF THE JAMES RIVER SEEING LOW TEMPERATURES OF 
20 BELOW TO 25 BELOW BY MONDAY MORNING. HOWEVER...THE LIGHT WINDS
WILL MINIMIZE ANY ADDITIONAL WIND CHILL EFFECT.

NEZ013-SDZ050-063-068>070-041800-
/O.EXT.KFSD.WC.Y.0006.000000T0000Z-070204T1800Z/
DIXON-GREGORY-CHARLES MIX-BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...GREGORY...
BURKE...WAGNER...PLATTE...LAKE ANDES...MARTY...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION
356 AM CST SUN FEB 4 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL NOON CST TODAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL NOON CST TODAY. 

TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO...AND WEST TO NORTHWEST
WINDS OF 10 TO 15 MPH...WILL PRODUCE WIND CHILLS OF 20 BELOW TO 25
BELOW ZERO THIS MORNING. AS TEMPERATURES CLIMB BACK ABOVE ZERO THIS
AFTERNOON...WIND SPEEDS WILL ALSO DIMINISH...REMAINING LIGHT THROUGH
TONIGHT. THE LIGHTER WINDS WILL MINIMIZE THE WIND CHILL EFFECT AS
TEMPERATURES FALL BACK BELOW ZERO TONIGHT.

A WIND CHILL ADVISORY IS ISSUED WHEN WIND WILL COMBINE WITH COLD
TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED SKIN.
THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES BELOW ZERO OR COLDER
FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING TO VENTURE OUTDOORS
SHOULD DRESS WARMLY...MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

$$

SDZ052-057>059-064-065-041800-
/O.EXT.KFSD.WC.Y.0005.000000T0000Z-070204T1800Z/
JERAULD-BRULE-AURORA-DAVISON-DOUGLAS-HUTCHINSON-
INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA...
CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...
MITCHELL...ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...
MENNO...TRIPP
356 AM CST SUN FEB 4 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL NOON CST TODAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL NOON CST TODAY. 

TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO...AND WEST TO NORTHWEST
WINDS OF 10 TO 15 MPH...WILL PRODUCE WIND CHILLS OF 20 BELOW TO 30
BELOW ZERO THIS MORNING. AS TEMPERATURES CLIMB BACK ABOVE ZERO THIS
AFTERNOON...WIND SPEEDS WILL ALSO DIMINISH...REMAINING LIGHT THROUGH
TONIGHT. THE LIGHTER WINDS WILL MINIMIZE THE WIND CHILL EFFECT AS
TEMPERATURES FALL BACK BELOW ZERO TONIGHT. HOWEVER PROTECTION AGAINST
THE COLD IS STILL RECOMMENDED...AS ACTUAL AIR TEMPERATURES WILL FALL
INTO THE TEENS BELOW ZERO BY EARLY MONDAY MORNING.

EXPOSURE TO COLD CAN CAUSE FROSTBITE OR HYPOTHERMIA...AND BECOME
LIFE-THREATENING. INFANTS AND ELDERLY PEOPLE ARE MOST SUSCEPTIBLE.
THOSE PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
053>056-060>062-066-067-041800-
/O.EXT.KFSD.WC.Y.0005.000000T0000Z-070205T0300Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-SANBORN-MINER-LAKE-MOODY-HANSON-MCCOOK-MINNEHAHA-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...WOONSOCKET...HOWARD...
MADISON...FLANDREAU...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG
356 AM CST SUN FEB 4 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 9 PM CST THIS
EVENING...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 9 PM CST THIS
EVENING. 

SUBZERO TEMPERATURES AND WEST TO NORTHWEST WINDS OF 10 TO 20 MPH WILL
CONTINUE TO PRODUCE WIND CHILLS FROM 20 BELOW TO 30 BELOW ZERO TODAY.
WIND SPEEDS ARE EXPECTED TO BECOME LIGHT AND VARIABLE BY LATE THIS
EVENING...MINIMIZING THE WIND CHILL EFFECT THROUGH THE OVERNIGHT
HOURS. HOWEVER PROTECTION AGAINST THE COLD IS STILL RECOMMENDED LATER
TONIGHT...AS ACTUAL AIR TEMPERATURES WILL REACH 15 BELOW TO 25 BELOW
BY MONDAY MORNING.

WIND CHILL IS NOT THE ACTUAL TEMPERATURE BUT RATHER HOW WIND AND
COLD FEEL ON EXPOSED SKIN. AS THE WIND INCREASES...HEAT IS CARRIED
AWAY FROM THE BODY AT AN ACCELERATED RATE...DRIVING DOWN THE BODY
TEMPERATURE. THOSE PLANNING TO VENTURE OUTDOORS SHOULD DRESS
WARMLY...MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ020>022-031-032-NEZ014-SDZ071-041800-
/O.EXT.KFSD.WC.Y.0006.000000T0000Z-070205T0300Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DAKOTA-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...
SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
356 AM CST SUN FEB 4 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 9 PM CST THIS
EVENING...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 9 PM CST THIS
EVENING. 

SUBZERO TEMPERATURES AND NORTHWEST WINDS OF 10 TO 20 MPH WILL
CONTINUE TO PRODUCE WIND CHILLS OF 20 BELOW TO 30 BELOW ZERO TODAY. 
WIND SPEEDS ARE EXPECTED TO BECOME LIGHT AND VARIABLE BY LATE THIS
EVENING...MINIMIZING THE WIND CHILL EFFECT THROUGH THE OVERNIGHT
HOURS. HOWEVER PROTECTION AGAINST THE COLD IS STILL RECOMMENDED LATER
TONIGHT...AS ACTUAL AIR TEMPERATURES WILL REACH 10 BELOW TO 20 BELOW
BY MONDAY MORNING.

EXPOSURE TO COLD CAN CAUSE FROSTBITE OR HYPOTHERMIA...AND BECOME
LIFE-THREATENING. INFANTS AND ELDERLY PEOPLE ARE MOST SUSCEPTIBLE.
THOSE PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

$$
 JH
000 
WWUS43 KFSD 041543
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
943 AM CST SUN FEB 4 2007

.UNSEASONABLY COLD AIR WILL REMAIN ENTRENCHED ACROSS THE AREA
THROUGH MONDAY. HOWEVER...A STRENGTHENING RIDGE OF HIGH PRESSURE
BUILDING SOUTH AND EAST ACROSS THE REGION WILL BRING A GRADUAL 
DECREASE IN WINDS THIS AFTERNOON AND TONIGHT. WINDS LESS THAN
10 MPH ARE EXPECTED WEST OF THE JAMES VALLEY LATE THIS MORNING
AND AFTERNOON...AND OVER THE REMAINDER OF SOUTHEAST SOUTH DAKOTA...
INTO SOUTHWEST MINNESOTA AND NORTHWEST IOWA BY LATE THIS EVENING.
ACTUAL AIR TEMPERATURES WILL REMAIN WELL BELOW NORMAL... WITH SOME
AREAS EAST OF THE JAMES RIVER SEEING LOW TEMPERATURES OF 15 BELOW
TO 25 BELOW BY MONDAY MORNING. HOWEVER...THE LIGHT WINDS WILL
MINIMIZE ANY ADDITIONAL WIND CHILL EFFECT.

SDZ052-057-058-064-041645-
/O.CAN.KFSD.WC.Y.0005.000000T0000Z-070204T1800Z/
JERAULD-BRULE-AURORA-DOUGLAS-
INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA...
CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...
ARMOUR...CORSICA...DELMONT
943 AM CST SUN FEB 4 2007

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WIND CHILL ADVISORY. 

WINDS HAVE DECREASE TO LESS THAN 10 MPH THIS MORNING.  AS
TEMPERATURES CONTINUE TO SLOWLY MODERATE...WIND CHILLS OF LESS
THAN 20 BELOW ZERO ARE NOT EXPECTED.

$$

SDZ050-063-068-041645-
/O.CAN.KFSD.WC.Y.0006.000000T0000Z-070204T1800Z/
GREGORY-CHARLES MIX-BON HOMME-
INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE...
LAKE ANDES...MARTY...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...
TABOR
943 AM CST SUN FEB 4 2007

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WIND CHILL ADVISORY. 

WINDS HAVE DECREASE TO LESS THAN 10 MPH THIS MORNING.  AS
TEMPERATURES CONTINUE TO SLOWLY MODERATE...WIND CHILLS OF LESS
THAN 20 BELOW ZERO ARE NOT EXPECTED.

$$

NEZ013-SDZ069-070-041800-
/O.CON.KFSD.WC.Y.0006.000000T0000Z-070204T1800Z/
DIXON-YANKTON-CLAY-
INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...YANKTON...
VERMILLION
943 AM CST SUN FEB 4 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. 

TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO...AND NORTHWEST WINDS
OF 10 TO 15 MPH...WILL PRODUCE WIND CHILLS OF 20 BELOW TO 25 BELOW
ZERO LATE THIS MORNING. AS TEMPERATURES CLIMB BACK ABOVE ZERO THIS
AFTERNOON...WIND SPEEDS WILL ALSO DIMINISH...BECOMING LIGHT
TONIGHT. THE LIGHTER WINDS WILL MINIMIZE THE WIND CHILL EFFECT AS
TEMPERATURES FALL BACK BELOW ZERO TONIGHT.

A WIND CHILL ADVISORY IS ISSUED WHEN WIND WILL COMBINE WITH COLD
TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR EXPOSED
SKIN. THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES BELOW ZERO
OR COLDER FOR A PERIOD OF SEVERAL HOURS. THOSE PLANNING TO
VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE THAT ALL
EXPOSED SKIN IS COVERED.

$$

SDZ059-065-041800-
/O.CON.KFSD.WC.Y.0005.000000T0000Z-070204T1800Z/
DAVISON-HUTCHINSON-
INCLUDING THE CITIES OF...MITCHELL...PARKSTON...FREEMAN...MENNO...
TRIPP
943 AM CST SUN FEB 4 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. 

TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO...AND NORTHWEST
WINDS OF 10 TO 15 MPH...WILL PRODUCE WIND CHILLS OF 20 BELOW TO 30
BELOW ZERO LATE THIS MORNING. AS TEMPERATURES CLIMB BACK ABOVE
ZERO THIS AFTERNOON...WIND SPEEDS WILL ALSO DIMINISH...WITH LIGHT
WINDS TONIGHT.  THE LIGHTER WINDS WILL MINIMIZE THE WIND CHILL
EFFECT AS TEMPERATURES FALL BACK BELOW ZERO TONIGHT. HOWEVER
PROTECTION AGAINST THE COLD IS STILL RECOMMENDED...AS ACTUAL AIR
TEMPERATURES WILL FALL INTO THE TEENS BELOW ZERO BY EARLY MONDAY
MORNING.

EXPOSURE TO COLD CAN CAUSE FROSTBITE OR HYPOTHERMIA...AND BECOME
LIFE-THREATENING. INFANTS AND ELDERLY PEOPLE ARE MOST
SUSCEPTIBLE. THOSE PLANNING TO VENTURE OUTDOORS SHOULD DRESS
WARMLY...MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
053>056-060>062-066-067-042345-
/O.CON.KFSD.WC.Y.0005.000000T0000Z-070205T0300Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-SANBORN-MINER-LAKE-MOODY-HANSON-MCCOOK-MINNEHAHA-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...WOONSOCKET...HOWARD...
MADISON...FLANDREAU...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG
943 AM CST SUN FEB 4 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING. 

SUBZERO TEMPERATURES AND WEST TO NORTHWEST WINDS OF 10 TO 20 MPH
WILL CONTINUE TO PRODUCE WIND CHILLS FROM 20 BELOW TO 30 BELOW
ZERO TODAY. WIND SPEEDS ARE EXPECTED TO BECOME LIGHT AND VARIABLE
BY LATE THIS EVENING...MINIMIZING THE WIND CHILL EFFECT THROUGH
THE OVERNIGHT HOURS. HOWEVER PROTECTION AGAINST THE COLD IS STILL
RECOMMENDED LATER TONIGHT...AS ACTUAL AIR TEMPERATURES WILL REACH
15 BELOW TO 25 BELOW BY MONDAY MORNING.

WIND CHILL IS NOT THE ACTUAL TEMPERATURE BUT RATHER HOW WIND AND
COLD FEEL ON EXPOSED SKIN. AS THE WIND INCREASES...HEAT IS
CARRIED AWAY FROM THE BODY AT AN ACCELERATED RATE...DRIVING DOWN
THE BODY TEMPERATURE. THOSE PLANNING TO VENTURE OUTDOORS SHOULD
DRESS WARMLY...MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ020>022-031-032-NEZ014-SDZ071-042345-
/O.CON.KFSD.WC.Y.0006.000000T0000Z-070205T0300Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DAKOTA-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...
SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
943 AM CST SUN FEB 4 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING. 

SUBZERO TEMPERATURES AND NORTHWEST WINDS OF 10 TO 20 MPH WILL
CONTINUE TO PRODUCE WIND CHILLS OF 20 BELOW TO 30 BELOW ZERO
TODAY. WIND SPEEDS ARE EXPECTED TO BECOME LIGHT AND VARIABLE BY
LATE THIS EVENING...MINIMIZING THE WIND CHILL EFFECT THROUGH THE
OVERNIGHT HOURS. HOWEVER PROTECTION AGAINST THE COLD IS STILL
RECOMMENDED LATER TONIGHT...AS ACTUAL AIR TEMPERATURES WILL REACH
10 BELOW TO 20 BELOW BY MONDAY MORNING.

EXPOSURE TO COLD CAN CAUSE FROSTBITE OR HYPOTHERMIA...AND BECOME
LIFE-THREATENING. INFANTS AND ELDERLY PEOPLE ARE MOST
SUSCEPTIBLE. THOSE PLANNING TO VENTURE OUTDOORS SHOULD DRESS
WARMLY...MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

$$

CHAPMAN
000 
WWUS43 KFSD 041812
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1212 PM CST SUN FEB 4 2007

.UNSEASONABLY COLD AIR WILL REMAIN ENTRENCHED ACROSS THE AREA
THROUGH MONDAY. HOWEVER...A STRENGTHENING RIDGE OF HIGH PRESSURE
BUILDING SOUTH AND EAST ACROSS THE REGION WILL BRING A GRADUAL
DECREASE IN WINDS THIS AFTERNOON AND TONIGHT. WINDS LESS THAN
10 MPH ARE EXPECTED FROM THE JAMES VALLEY WESTWARD THIS AFTERNOON...
AND OVER THE REMAINDER OF SOUTHEAST SOUTH DAKOTA...INTO SOUTHWEST
MINNESOTA AND NORTHWEST IOWA BY LATE THIS EVENING. ACTUAL AIR
TEMPERATURES WILL REMAIN WELL BELOW NORMAL...WITH SOME AREAS EAST
OF THE JAMES RIVER SEEING LOW TEMPERATURES OF 15 BELOW TO AROUND
20 BELOW ZERO BY MONDAY MORNING. HOWEVER...THE LIGHT WINDS WILL
MINIMIZE ANY ADDITIONAL WIND CHILL EFFECT.

SDZ038-053-060-041915-
/O.CAN.KFSD.WC.Y.0005.000000T0000Z-070205T0300Z/
BEADLE-SANBORN-HANSON-
INCLUDING THE CITIES OF...HURON...WOONSOCKET...ALEXANDRIA...EMERY
1212 PM CST SUN FEB 4 2007

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WIND CHILL ADVISORY. 

DESPITE THE VERY COLD TEMPERATURES...WINDS ARE EXPECTED TO
REMAIN BELOW 10 MPH FOR THIS AFTERNOON AND EVENING.

$$

IAZ020-031-NEZ014-SDZ071-041915-
/O.CAN.KFSD.WC.Y.0006.000000T0000Z-070205T0300Z/
PLYMOUTH-WOODBURY-DAKOTA-UNION-
INCLUDING THE CITIES OF...LE MARS...SIOUX CITY...
SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
1212 PM CST SUN FEB 4 2007

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WIND CHILL ADVISORY. 

WIND CHILLS WILL CONTINUE TO MODERATE ABOVE 20 BELOW ZERO THIS
AFTERNOON AS AIR TEMPERATURES SLOWLY MODERATE. BY THIS EVENING...
WINDS WILL DIMINISH TO LESS THAN 10 MPH...BUT ACTUAL TEMPERATURES
WILL CONTINUE TO BE QUITE COLD.

$$

NEZ013-SDZ069-070-041915-
/O.EXP.KFSD.WC.Y.0006.000000T0000Z-070204T1800Z/
DIXON-YANKTON-CLAY-
INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...YANKTON...
VERMILLION
1212 PM CST SUN FEB 4 2007

...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY...

THE WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY. 

AS TEMPERATURES SLOWLY MODERATE THROUGH THE SINGLE DIGITS ABOVE ZERO...
WIND CHILLS WILL GRADUALLY MODERATE AS WELL...BUT REMAIN FROM 10
BELOW TO 20 BELOW ZERO BEFORE WINDS DIMINISH LATE THIS AFTERNOON.

$$

SDZ059-065-041915-
/O.EXP.KFSD.WC.Y.0005.000000T0000Z-070204T1800Z/
DAVISON-HUTCHINSON-
INCLUDING THE CITIES OF...MITCHELL...PARKSTON...FREEMAN...MENNO...
TRIPP
1212 PM CST SUN FEB 4 2007

...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY...

THE WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY. 

AS TEMPERATURES SLOWLY MODERATE THROUGH THE SINGLE DIGITS ABOVE ZERO...
WIND CHILLS WILL GRADUALLY MODERATE AS WELL...BUT REMAIN FROM 10
BELOW TO 20 BELOW ZERO BEFORE WINDS DIMINISH LATE THIS AFTERNOON.

$$

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ039-040-
054>056-061-062-066-067-050215-
/O.CON.KFSD.WC.Y.0005.000000T0000Z-070205T0300Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-KINGSBURY-BROOKINGS-
MINER-LAKE-MOODY-MCCOOK-MINNEHAHA-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...HOWARD...MADISON...FLANDREAU...SALEM...
CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG
1212 PM CST SUN FEB 4 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING. 

SUBZERO TEMPERATURES AND WEST TO NORTHWEST WINDS OF 10 TO 20 MPH
WILL CONTINUE TO PRODUCE WIND CHILLS FROM 20 BELOW TO 30 BELOW
ZERO TODAY. WIND SPEEDS ARE EXPECTED TO BECOME LIGHT AND VARIABLE
BY LATE THIS EVENING...MINIMIZING THE WIND CHILL EFFECT THROUGH
THE OVERNIGHT HOURS. HOWEVER PROTECTION AGAINST THE COLD IS STILL
RECOMMENDED LATER TONIGHT...AS ACTUAL AIR TEMPERATURES WILL REACH
15 BELOW TO 25 BELOW BY MONDAY MORNING.

WIND CHILL IS NOT THE ACTUAL TEMPERATURE BUT RATHER HOW WIND AND
COLD FEEL ON EXPOSED SKIN. AS THE WIND INCREASES...HEAT IS
CARRIED AWAY FROM THE BODY AT AN ACCELERATED RATE...DRIVING DOWN
THE BODY TEMPERATURE. THOSE PLANNING TO VENTURE OUTDOORS SHOULD
DRESS WARMLY...MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ021-022-032-050215-
/O.CON.KFSD.WC.Y.0006.000000T0000Z-070205T0300Z/
CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...IDA GROVE...
HOLSTEIN...BATTLE CREEK
1212 PM CST SUN FEB 4 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING. 

TEMPERATURES FROM ZERO TO 5 ABOVE AND NORTHWEST WINDS OF 10 TO 20
MPH WILL CONTINUE TO PRODUCE WIND CHILLS OF 20 BELOW TO 25 BELOW
ZERO TODAY. WIND SPEEDS ARE EXPECTED TO BECOME LIGHT AND VARIABLE
BY LATE THIS EVENING...MINIMIZING THE WIND CHILL EFFECT THROUGH
THE OVERNIGHT HOURS. HOWEVER PROTECTION AGAINST THE COLD IS STILL
RECOMMENDED LATER TONIGHT...AS ACTUAL AIR TEMPERATURES WILL REACH
10 BELOW TO 20 BELOW BY MONDAY MORNING.

EXPOSURE TO COLD CAN CAUSE FROSTBITE OR HYPOTHERMIA...AND BECOME
LIFE-THREATENING. INFANTS AND ELDERLY PEOPLE ARE MOST
SUSCEPTIBLE. THOSE PLANNING TO VENTURE OUTDOORS SHOULD DRESS
WARMLY...MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

$$

CHAPMAN
000 
WWUS43 KFSD 042141
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
341 PM CST SUN FEB 4 2007

.UNSEASONABLY COLD AIR WILL REMAIN ENTRENCHED ACROSS THE AREA
THROUGH MONDAY. AS HIGH PRESSURE MOVES INTO THE REGION...IT WILL
RESULT IN DECREASING WINDS AND BITTER COLD TEMPERATURES. WINDS LESS THAN 10
MPH ARE EXPECTED TO DECREASE THIS EVENING OVER SOUTHEAST SOUTH
DAKOTA..SOUTHWEST MINNESOTA AND NORTHWEST IOWA. ACTUAL AIR
TEMPERATURES WILL REMAIN WELL BELOW NORMAL...WITH SOME AREAS EAST
OF THE JAMES RIVER SEEING LOW TEMPERATURES OF 15 BELOW TO AROUND
20 BELOW ZERO BY MONDAY MORNING. HOWEVER...THE LIGHT WINDS WILL
MINIMIZE ANY ADDITIONAL WIND CHILL EFFECT.

IAZ001>003-012>014-MNZ071-072-080-081-089-090-097-098-SDZ039-040-
054>056-061-062-066-067-050300-
/O.CON.KFSD.WC.Y.0005.000000T0000Z-070205T0300Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-LINCOLN-MURRAY-
COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-KINGSBURY-BROOKINGS-
MINER-LAKE-MOODY-MCCOOK-MINNEHAHA-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...HOWARD...MADISON...FLANDREAU...SALEM...
CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG
341 PM CST SUN FEB 4 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING. 

SUBZERO TEMPERATURES AND WEST TO NORTHWEST WINDS OF 10 TO 15 MPH
WILL CONTINUE TO PRODUCE WIND CHILLS FROM 15 BELOW TO 25 BELOW
ZERO THIS EVENING. WIND SPEEDS ARE EXPECTED TO CONTINUE TO
DECREASE AND BECOME LIGHT AND VARIABLE THIS EVENING...MINIMIZING
THE WIND CHILL EFFECT THROUGH THE OVERNIGHT HOURS. HOWEVER
PROTECTION AGAINST THE COLD IS STILL RECOMMENDED LATER
TONIGHT...AS ACTUAL AIR TEMPERATURES WILL REACH 15 BELOW TO 25
BELOW BY MONDAY MORNING.

WIND CHILL IS NOT THE ACTUAL TEMPERATURE BUT RATHER HOW WIND AND
COLD FEEL ON EXPOSED SKIN. AS THE WIND INCREASES...HEAT IS
CARRIED AWAY FROM THE BODY AT AN ACCELERATED RATE...DRIVING DOWN
THE BODY TEMPERATURE. THOSE PLANNING TO VENTURE OUTDOORS SHOULD
DRESS WARMLY...MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ021-022-032-050300-
/O.CON.KFSD.WC.Y.0006.000000T0000Z-070205T0300Z/
CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...IDA GROVE...
HOLSTEIN...BATTLE CREEK
341 PM CST SUN FEB 4 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING. 

TEMPERATURES WILL FALL BACK BELOW ZERO EARLY THIS EVENING. THIS
COMBINED WITH NORTHWEST WINDS OF 10 TO 15 MPH WILL PRODUCE WIND
CHILLS OF 20 BELOW TO 25 BELOW ZERO THIS EVENING. WIND SPEEDS ARE
EXPECTED TO BECOME LIGHT AND VARIABLE BY LATE THIS
EVENING...MINIMIZING THE WIND CHILL EFFECT THROUGH THE OVERNIGHT
HOURS. HOWEVER PROTECTION AGAINST THE COLD IS STILL RECOMMENDED
TONIGHT...AS ACTUAL AIR TEMPERATURES WILL REACH 10 BELOW TO 20
BELOW BY MONDAY MORNING.

EXPOSURE TO COLD CAN CAUSE FROSTBITE OR HYPOTHERMIA...AND BECOME
LIFE-THREATENING. INFANTS AND ELDERLY PEOPLE ARE MOST
SUSCEPTIBLE. THOSE PLANNING TO VENTURE OUTDOORS SHOULD DRESS
WARMLY...MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

$$

BT
000 
WWUS43 KFSD 050026
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
626 PM CST SUN FEB 4 2007

.UNSEASONABLY COLD AIR WILL REMAIN ENTRENCHED ACROSS THE AREA
THROUGH MONDAY. AS HIGH PRESSURE MOVES INTO THE REGION...IT WILL
RESULT IN DECREASING WINDS DURING THE EVENING AND WILL BECOME
LIGHT BY 9 PM. THIS WILL HELP TO ELIMINATE THE BITTERLY COLD WIND
CHILLS. HOWEVER...ACTUAL TEMPERATURES WILL STILL DROP WELL BELOW ZERO.

IAZ001-012-MNZ071-097-098-SDZ039-040-054>056-061-062-066-067-
050130-
/O.CAN.KFSD.WC.Y.0005.000000T0000Z-070205T0300Z/
LYON-SIOUX-LINCOLN-PIPESTONE-ROCK-KINGSBURY-BROOKINGS-MINER-LAKE-
MOODY-MCCOOK-MINNEHAHA-TURNER-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...TYLER...HENDRICKS...
LAKE BENTON...IVANHOE...PIPESTONE...LUVERNE...DE SMET...
ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...MADISON...
FLANDREAU...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
626 PM CST SUN FEB 4 2007

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WIND CHILL ADVISORY. 

WINDS HAVE BECOME LIGHT ACROSS THE AREA AND BITTERLY COLD WIND
CHILLS ARE NO LONGER EXPECTED.

$$

IAZ032-050130-
/O.CAN.KFSD.WC.Y.0006.000000T0000Z-070205T0300Z/
IDA-
INCLUDING THE CITIES OF...IDA GROVE...HOLSTEIN...BATTLE CREEK
626 PM CST SUN FEB 4 2007

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WIND CHILL ADVISORY. 

WINDS HAVE BECOME LIGHT ACROSS THE AREA AND BITTERLY COLD WIND
CHILLS ARE NO LONGER EXPECTED.


$$

IAZ002-003-013-014-MNZ072-080-081-089-090-050300-
/O.CON.KFSD.WC.Y.0005.000000T0000Z-070205T0300Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-LYON-MURRAY-COTTONWOOD-NOBLES-
JACKSON-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD
626 PM CST SUN FEB 4 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING. 

SUBZERO TEMPERATURES AND WEST TO NORTHWEST WINDS AROUND 10 MPH
WILL CREATE WIND CHILLS NEAR 20 BELOW ZERO THIS EVENING. WIND
SPEEDS ARE EXPECTED TO CONTINUE TO DECREASE AND BECOME LIGHT AND
VARIABLE THIS EVENING...MINIMIZING THE WIND CHILL EFFECT THROUGH
THE OVERNIGHT HOURS. HOWEVER PROTECTION AGAINST THE COLD IS STILL
RECOMMENDED LATER TONIGHT... AS ACTUAL AIR TEMPERATURES WILL REACH
15 BELOW TO 25 BELOW BY MONDAY MORNING.

WIND CHILL IS NOT THE ACTUAL TEMPERATURE BUT RATHER HOW WIND AND
COLD FEEL ON EXPOSED SKIN. AS THE WIND INCREASES...HEAT IS
CARRIED AWAY FROM THE BODY AT AN ACCELERATED RATE...DRIVING DOWN
THE BODY TEMPERATURE. THOSE PLANNING TO VENTURE OUTDOORS SHOULD
DRESS WARMLY...MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

$$

IAZ021-022-050300-
/O.CON.KFSD.WC.Y.0006.000000T0000Z-070205T0300Z/
CHEROKEE-BUENA VISTA-
INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE
626 PM CST SUN FEB 4 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING. 

TEMPERATURES WILL FALL BACK BELOW ZERO EARLY THIS EVENING. THIS
COMBINED WITH NORTHWEST WINDS OF 10 TO 15 MPH WILL PRODUCE WIND
CHILLS OF 15 BELOW TO 20 BELOW ZERO THIS EVENING. WIND SPEEDS ARE
EXPECTED TO BECOME LIGHT AND VARIABLE BY LATE THIS EVENING...
MINIMIZING THE WIND CHILL EFFECT THROUGH THE OVERNIGHT HOURS.
HOWEVER PROTECTION AGAINST THE COLD IS STILL RECOMMENDED
TONIGHT...AS ACTUAL AIR TEMPERATURES WILL REACH 10 BELOW TO 20
BELOW BY MONDAY MORNING.

EXPOSURE TO COLD CAN CAUSE FROSTBITE OR HYPOTHERMIA...AND BECOME
LIFE-THREATENING. INFANTS AND ELDERLY PEOPLE ARE MOST
SUSCEPTIBLE. THOSE PLANNING TO VENTURE OUTDOORS SHOULD DRESS
WARMLY...MAKING SURE THAT ALL EXPOSED SKIN IS COVERED.

$$
000 
WWUS43 KFSD 050131
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
731 PM CST SUN FEB 4 2007


IAZ021-022-050245-
/O.CAN.KFSD.WC.Y.0006.000000T0000Z-070205T0300Z/
CHEROKEE-BUENA VISTA-
INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE
731 PM CST SUN FEB 4 2007

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WIND CHILL ADVISORY. 

WINDS HAVE BECOME LIGHT ACROSS THE AREA AND BITTERLY COLD WIND
CHILLS ARE NO LONGER EXPECTED.

$$

IAZ002-003-013-014-MNZ072-080-081-089-090-050245-
/O.CAN.KFSD.WC.Y.0005.000000T0000Z-070205T0300Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-LYON-MURRAY-COTTONWOOD-NOBLES-
JACKSON-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...MARSHALL...
SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD
731 PM CST SUN FEB 4 2007

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WIND CHILL ADVISORY. 

WINDS HAVE BECOME LIGHT ACROSS THE AREA AND BITTERLY COLD WIND
CHILLS ARE NO LONGER EXPECTED.

$$

What forecasters said that day

The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sioux Falls, SD wrote its last area forecast discussion before this wind chill advisory went out at Jan 31, 9:25 PM CST, 5 hours 50 minutes earlier.

Area forecast discussion, Jan 31, 9:25 PM CST, 5 hours 50 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
925 PM CST WED JAN 31 2007

.DISCUSSION...
WL BE UPDATING THE ZFP TEXT HERE SHORTLY. HAVE ALREADY TWEAKED THE
GRIDS. MAINLY LOWERED SOME LOWS OVER PARTS OF OUR FA. LOWER CLOUDS
HAVE NEARLY EXITED THE FSD FA AS OF 03Z. HIGHER CLOUDS ARE NOTED TO
THE NW OF THIS AREA...AND IN TIME THEY WL MOVE INTO THIS AREA. BUT
NOT UNTIL LATER TONIGHT. AND AS THE SFC RIDGE OOZES INTO THIS AREA...
WINDS HAVE BEEN...AND WL CONT TO REALLY DROP OFF.

&&

.PREV DISCUSSION...
CURNT WAVE WITH ITS LITTLE SHOT OF COLD AIR BEHIND IT MOVING SEWD
ACROSS AREA ON SCHEDULE. WE HAVE BEEN GOING WITH FLURRIES AND THAT
IS ABOUT IT. THESE SHOULD END FROM THE NW DURING THE EARLY AND MID
EVENING. SKIES SHOULD THEN CLEAR PRETTY WELL. HAVE GONE FOR A MOSTLY
CLEAR PERIOD LATE TONIGHT INTO ERY THU MRNG. HAVE NOT GONE
COMPLETELY CLEAR FOR NOW THOUGH IT IS POSSIBLE THAT WILL DVLP. WINDS
WILL HOLD UP IN A SO SO MANNER FOR A WHILE AND THEN DROP OFF PRETTY
WELL TOWARD DAYBEARK. THIS SHOULD ALLOW TEMPS TO DROP AT LEAST TO
THE ZERO NEIGHBORHOOD WITH A LITTLE MORE DROP POSSIBLE ERY MRNG IF
COOLING CONDITIONS ARE IDEAL.

CLOUDS ARE EXPECTED TO INCREAS RPDLY FROM THE NW THU MRNG AND ERY
AFTN WITH APPCHG SHORTWAVE AND ARCTIC FRONT. LATEST NAM12 SHOWS EVEN
A LITTLE BETTER SUPPORT THAN ERYR RUN FOR A BAND OF SNOW SHOWERS
WITH FRONT...AND 12Z RUN GAVE IT SOME SUPPORT. INTERESTING THAT THE
SUPPORT IS AT A PRETTY LOW LEVEL FOR SIGNIFICANT SNOW BUT LOOK AT
THE AIRMASS WE ARE DEALING WITH. FOR NOW WILL KEEP SLGT CHANCE TO
CHANCE POPS WITH THE BEST CHANCE A LITTLE N/NE OF FSD. A LOW TOPPED
CONVECTIVE SNOW EVENT IS POSSIBLE WITH FNT GIVEN THIS TYPE OF EVENT
WOULD KEEP THE GOOD LIFT IN THE PRIME DENDRITIC GROWTH ZONE. THE
BEST SHOT WOULD BE FROM FSD N AND E VERY LATE THU AFTN. SO WHILE FOR
NOW AM GOING WITH ANY ACCUMULATIONS LESS THAN AN INCH...WE WIL HAVE
TO WATCH FOR A BETTER EVENT. THE GREATEST SIGNIFICANCE OF ALL THIS
IS WITH THE ARCTIC AIR COMING IN QUICKLY ON STRONG NW/N
WINDS...BLOWING SNOW WILL BE PSBL WITH THE FRESH SNOW AND HAVE PUT
AREAS OF BLOWING SNOW IN THE FCST FOR THE NRN AND CNTRL FCST AREA
FOR THU NGT. IF WE GOT NEW SNOW IN THE ONE TO TWO INCH RANGE A
LITTLE BLIZZARD WOULDNT BE OUT OF THE QUESTION.

GUIDANCE IS OBVIOUSLY WELL UNDERDOING WINDS BEHIND THIE ARCTIC FRONT
WITH THE STRONG PRESSURE RISES WITH THE INFLUX OF ARCTIS AIR. THINK
WE COULD GET CLOSE TO WIND ADVY CRITERIA QUICKLY THU EVE...WHICH MAY
BE A MOOT POINT SINCE WE WILL BE DEALING WITH FALLING TEMPERATURES
AND A CERTAIN WIND CHILL ADVY FOR LATER THU NGT INTO FRI. DOESNT
LOOK QUITE TO A WIND CHILL WARNING SITUATION AT THIS TIME BUT A
FESTER DROP IN TEMPS THAT WE ARE GOING FOR COULD GET IT CLOSE. WINDS
WILL BE SLACKING OFF OF COURSE BY FRI MRNG BUT BY THEN THE BLO ZERO
TEMPS WONT NEED REAL STRONG WINDS TO TAKE THAT WIND CHILL COLDER
THAN 20 BLO.

ANY SNOW SHOULD MOVE OUT PRETTY QUICKLY LATER THU NGT. A MINOR
REINFORCING SHORTWAVE WITH MORE ARCTIC AIR WILL MOVE OVER AREA LATE
FRI AND FRI NIGHT. THIS WONT BE AS STRONG AND HAVE GONE WITH JUST
SOME FLRYS FOR NOW. THESE SHOULD IN LIKE WAY PASS LATE FRI NIGHT AND
LEAVE SAT JUST PLAIN COLD WITH NO PCPN. WITH THE SENSITIVITY OF THE
ARCTIC AIR MASS TO A LITTLE MOISTURE AND WITH THE SFC RIDGE NOT
QUITE MOVING RIGHT OVER AREA...HAVE KEPT A FEW CLOUDS IN...BUT GOING
COMPLETELY CLEAR IS A POSSIBILITY FOR SAT.

IN THE LATTER PERIODS(SUN-WED)...CONTINUED COLD WITH A FEW PERIODS
OF FLURRIES OR PATCHY LIGHT SNOW. WILL NOT INCLUDE IN FORECAST AS
TIMING A MAJOR PROBLEM...BUT ALSO PLANNING ON LESS THAN AN INCH
FROM ANY OF THESE EVENTS. THE MAIN STORY WILL BE THE WIND AND COLD.
NOT OUT OF THE QUESTIONS TO SEE WIND CHILLS AT 20 BELOW OR COLDER
INTO SUNDAY AND THEN MUCH COLDER LOWS MONDAY MORNING AND TUESDAY
MORNING. ARCTIC HIGH SLOWLY SHIFTS EAST ON TUESDAY...ALLOWING WEAK
SOUTHEAST FLOW ON WEDNESDAY. WILL NOT WARM MUCH AS FLOW NOT GREAT
AND LOW LEVEL TEMPERATURES STILL COLD.

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
SD...NONE.
MN...NONE.
IA...NONE.
NE...NONE.

&&

MJF/WILLIAMS/08
Hazardous weather outlook, Jan 31, 5:27 AM CST, 21 hours 48 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
0527 AM CST WED JAN 31 2007

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-011200-
AURORA-BEADLE-BON HOMME-BROOKINGS-BRULE-BUENA VISTA IA-
CHARLES MIX-CHEROKEE IA-CLAY-CLAY IA-COTTONWOOD MN-DAKOTA NE-
DAVISON-DICKINSON IA-DIXON NE-DOUGLAS-GREGORY-HANSON-HUTCHINSON-
IDA IA-JACKSON MN-JERAULD-KINGSBURY-LAKE-LINCOLN-LINCOLN MN-
LYON IA-LYON MN-MCCOOK-MINER-MINNEHAHA-MOODY-MURRAY MN-NOBLES MN-
OBRIEN IA-OSCEOLA IA-PIPESTONE MN-PLYMOUTH IA-ROCK MN-SANBORN-
SIOUX IA-TURNER-UNION-WOODBURY IA-YANKTON-
0527 AM CST WED JAN 31 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA...
SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

BRISK NORTHWEST WINDS OF 15 TO 30 MPH WILL USHER IN THE FIRST OF
SEVERAL ARCTIC AIR SURGES FROM CANADA ON THURSDAY NIGHT. LOW
TEMPERATURES BY SUNRISE FRIDAY MORNING SHOULD RANGE FROM 5 BELOW
TO 10 BELOW NORTH OF INTERSTATE 90 TO ZERO TO 5 BELOW TO THE
SOUTH. WIND CHILLS SHOULD RANGE FROM NEAR 30 BELOW ZERO TO THE
NORTH...TO 20 BELOW ZERO TO THE SOUTH.

AN EVEN STRONGER SURGE OF ARCTIC COLD AIR WILL LIKELY PLUNGE
SOUTHWARD INTO THE REGION FRIDAY NIGHT. LOW TEMPERATURES BY
SUNRISE SATURDAY MORNING SHOULD RANGE FROM 10 BELOW TO 15 BELOW
ZERO NORTH OF INTERSTATE 90...TO 5 BELOW TO 10 BELOW ZERO TO THE
SOUTH. LOWEST WIND CHILLS SHOULD RANGE FROM THE 30S BELOW ZERO
NORTH...TO THE 20S BELOW ZERO SOUTH. TEMPERATURES WILL REMAIN
VERY COLD THROUGH THE WEEKEND WITH MORE SURGES OF BITTER COLD
ARCTIC AIR EXPECTED THROUGH MONDAY. SOME MODERATION OF
TEMPERATURES IS EXPECTED BY MIDWEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

&&

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.CRH.NOAA.GOV/FSD. THIS INCLUDES THE GRAPHICAL HAZARDOUS
WEATHER OUTLOOK.

RSR

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 1, 11:03 AM CSTWind Chill AdvisoryFSDBuena Vista, Cherokee, Ida, Plymouth, Woodbury3 days

Nearby

Wind Chill Advisories in South Dakota, 2007Wind Chill Advisories in Minnesota, 2007Wind Chill Advisories in Iowa, 2007Every wind chill advisory in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.