Alert archive / South Dakota / Wind Chill Advisories in 2007

Wind Chill Advisory 6, NWS Sioux Falls, SD

February 1, 20075 counties in Iowa; 6 counties in South Dakota; Dakota County, Dixon County, Nebraska

NWS Sioux Falls, SD issued this wind chill advisory at Feb 1, 2007, 11:03 AM CST for 5 counties in Iowa; 6 counties in South Dakota; Dakota County, Dixon County, Nebraska. It took effect at Feb 2, 2007, 9:00 PM CST. It was in force for 47 hr.

The area

The counties it named.

The facts

Issued
Feb 1, 2007, 11:03 AM CST (17:03 UTC)
In effect from
Feb 2, 2007, 9:00 PM CST
Expired
Feb 4, 2007, 7:31 PM CST
In force
47 hr
Issued by
NWS Sioux Falls, SD

Counties Buena Vista County, IA, Cherokee County, IA, Ida County, IA, Plymouth County, IA, Woodbury County, IA, Dakota County, NE, Dixon County, NE, Bon Homme County, SD, Charles Mix County, SD, Clay County, SD, Gregory County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 91 km from the middle of the area, began a volume at 17:09 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

Omaha, NE (KOAX), launched 12:00Z, 5.1 hours before the alert went out and 166 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, Omaha, NE at 12:00Z 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, Omaha, NE at 12:00Z on 2007-02-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
961 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
40 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 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
17 follow-up statements
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 Feb 1, 10:07 AM CST, 56 minutes earlier.

Area forecast discussion, Feb 1, 10:07 AM CST, 56 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1007 AM CST THU FEB 1 2007

.DISCUSSION...
FORECAST IN PRETTY GOOD SHAPE WITH RESPECT TO TIMING OF FRONT AND
TIMING OF POTENTIAL SNOW. STILL NOT PLANNING ON A LOT OF SNOW...BUT
SHOULD BE ENOUGH TO DROP A HALF AN INCH TO AN INCH IN SOME SPOTS.
OTHERWISE...DROPPED TEMPERATURES A LITTLE FASTER BEHIND FRONT THIS
AFTERNOON AND EVENING AS TEMPERATURES BARELY MOVING OVER EASTERN ND.

WIND CHILL ADVISORY LOOKS OK BUT MAY NEED TO BE MOVED UP A COUPLE OF
HOURS TO COMPENSATE FOR FASTER FALL OF TEMPERATURES. IN THE
END...WILL LIKELY NEED TO EXTEND WIND CHILL ADVISORY THROUGH MONDAY
WITH WIND CHILL VALUES WARMER THAN MINUS 20 FOR A PERIOD FRIDAY
AFTERNOON THEN AGAIN ON SUNDAY AFTERNOON. OTHERWISE...OTHER TIME
PERIODS MEET CRITERIA AND IN A FEW PERIODS NORTH OF INTERSTATE 90
THEY EXCEED WARNING CRITERIA.

08

&&
.PREV DISCUSSION...
WEAK SFC RDG MOVG SEWD OVR CWA THIS MRNG...FLWD BY SSWLY FLOW OF
RELATIVELY MILDER AIR AND INCRG HI CLDS. ARCTIC CDFNT AND ASSCD STG
SHORT WAVE GATHERING STRENGTH ALG CANADIAN BORDER ATTM...WHICH WILL
SWOOP SEWD OVR CWA THIS AFTN AND EVE. LOTS OF MVFR TO IFR IN LGT SNW
AHEAD OF ARCTIC FNT FM MONT TO ND ATTM WITH GOOD DYNAMICS AND COLD
AIR ALOFT PUTTING THE SQUEEZE ON AVBL MOISTURE. THIS WILL MOVE INTO
NWRN CWA THIS AFTN...AND ACROSS MAINLY NERN CWA THIS EVE...AND WILL
GO LIKELY POPS ALG WITH AREAS OF BLWG SNW IN THESE AREAS. LESSER
CHCS EXPCD TO SOUTH. FNT AND SHORT WAVE WILL BE FLWD BY STG NWLY
WINDS AND MUCH COLDER AIR WITH ARCTIC SURGE TNGT INTO FRI MRNG...
AND PUT OUT WIND CHILL ADVY FOR MOST AREAS EXCPT FAR SOUTH. LATER
SHIFTS WILL HAVE TO CONSIDER WINTER WX ADVY OR BLSN ADVY FOR NRN
AREAS FOR THIS AFTN INTO TNGT...DEPENDING ON HOW FAR SOUTH
ACCUMULATING SNOW GETS. FOR NOW PUT UP TO AN INCH TO THE NORTH.
FIRST ARCTIC SURGE MODERATES FRI WITH MIXED OUT WLY FLOW EXPCD AND
RAISED HIGHS SOME...BUT NOT NEARLY AS MUCH AS GUIDANCE. THEN EVEN
BIGGER ARCTIC BLAST MOVES DOWN INTO CWA FRI NGT AND BASICALLY KEPT
PREV FCST. THIS COULD RESULT IN THE FIRST WIND CHILL WARNING IN
SOME TIME IN CWA IF IT TURNS OUT LIKE THE FCST.

&&

AVIATION...
A STRONG COLD FRONT PUSHING ACROSS THE REGION LATER THIS AFTERNOON
AND EVENING WILL PRODUCE MVFR CEILINGS AND VISIBILITIES...WITH LIGHT
SNOW DEVELOPING WITH THE PASSAGE OF THE FRONT.  WHILE ANY SNOWFALL
ACCUMULATION WILL BE LIGHT...STRONG NORTHWESTERLY WINDS WILL DEVELOP
BEHIND THE FRONT...CAUSING ANY SNOW THAT FALLS TO BLOW AROUND...
REDUCING VISIBILITIES AT TIMES TO UPPER END IFR CONDITIONS. THE
FRONT IS EXPECTED TO PASS THROUGH THE KHON AREA AFTER 19Z...THROUGH
KFSD BY 00Z...AND THROUGH KSUX BY 03Z TONIGHT.

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
IA...WIND CHILL ADVY  NRN PTNS   2 AM TO 11 AM FRI
MN...WIND CHILL ADVY  ALL AREAS  2 AM TO 11 AM FRI
NE...NONE
SD...WIND CHILL ADVY  ALG AND NORTH OF I90  2 AM TO 11 AM FRI

&&

RYRHOLM/JM
Hazardous weather outlook, Feb 1, 4:35 AM CST, 6 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
0435 AM CST THU FEB 01 2007

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-021200-
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-
0435 AM CST THU FEB 01 2007

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

.DAY ONE...TODAY AND TONIGHT

WINTER WEATHER...
AN AREA OF LIGHT SNOW AND BLOWING SNOW WILL LIKELY MOVE EAST OVER
THE AREA LATER THIS AFTERNOON AND EVENING...MAINLY NORTH OF
INTERSTATE 90. AROUND AN INCH OF SNOWFALL IS POSSIBLE FROM HURON
THROUGH BROOKINGS TO SOUTHWEST MINNESOTA. STRONG NORTHWEST WINDS
OF 20 TO 30 MPH SHOULD CAUSE BLOWING SNOW IN OPEN AREAS WITH
REDUCED VISIBILITIES.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

BRISK NORTHWEST WINDS OF 15 TO 30 MPH WILL USHER IN THE FIRST OF
SEVERAL ARCTIC AIR SURGES FROM CANADA TONIGHT INTO FRIDAY
MORNING. LOW TEMPERATURES BY SUNRISE FRIDAY MORNING SHOULD RANGE
FROM 5 BELOW TO 10 BELOW ZERO NORTH OF INTERSTATE 90...TO ZERO TO
5 BELOW TO THE SOUTH. WIND CHILLS SHOULD RANGE FROM 25 TO 30
BELOW ZERO TO THE NORTH...TO 15 TO 20 BELOW ZERO FAR SOUTH IN THE
AREA.

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 SATURDAY NIGHT THROUGH TUESDAY
MORNING WITH MORE SURGES OF BITTER COLD ARCTIC AIR EXPECTED. 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, 3:15 AM CSTWind Chill AdvisoryFSDClay, Dickinson, Lyon, O'Brien, Osceola, Sioux4 days

Nearby

Wind Chill Advisories in South Dakota, 2007Wind Chill Advisories in Iowa, 2007Wind Chill Advisories in Nebraska, 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.