Alert archive / South Dakota / Wind Chill Advisories in 2007

Wind Chill Advisory 3, NWS Sioux Falls, SD

January 27, 20074 states

NWS Sioux Falls, SD issued this wind chill advisory at Jan 27, 2007, 3:50 AM CST for 4 states. It took effect at Jan 27, 2007, 11:16 AM CST. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued
Jan 27, 2007, 3:50 AM CST (09:50 UTC)
In effect from
Jan 27, 2007, 11:16 AM CST
Expired
Jan 28, 2007, 10:00 AM CST
In force
23 hr
Issued by
NWS Sioux Falls, SD
All 38 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Dakota County, NE, Dixon County, NE, Beadle County, SD, Brookings County, SD, Clay County, SD, Davison County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Turner County, SD, Union County, SD

The radar

The Sioux Falls radar (KFSD), 19 km from the middle of the area, began a volume at 09:54 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 9.8 hours before the alert went out and 215 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 2007-01-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2007-01-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -129 square meters per square second.1939587897117Sfc1 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
1076 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
-129 m²/s²
0-3 km storm-relative helicity
22 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 270950
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
350 AM CST SAT JAN 27 2007

.ARCTIC AIR WILL CONTINUE TO WORK INTO THE REGION TODAY RESULTING
IN SUBZERO READINGS TONIGHT. THESE BITTER COLD TEMPERATURES
COMBINED WITH NORTHWEST WINDS OF 10 TO 20 MPH WILL PRODUCE WIND
CHILLS OF 20 TO 30 DEGREES BELOW ZERO.

IAZ001-012-020-031-032-MNZ071-097-098-NEZ013-014-SDZ038>040-
052>056-059>062-065>067-070-071-271800-
/O.NEW.KFSD.WC.Y.0003.070128T0300Z-070128T1200Z/
LYON-SIOUX-PLYMOUTH-WOODBURY-IDA-LINCOLN-PIPESTONE-ROCK-DIXON-
DAKOTA-BEADLE-KINGSBURY-BROOKINGS-JERAULD-SANBORN-MINER-LAKE-
MOODY-DAVISON-HANSON-MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-CLAY-
UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...TYLER...HENDRICKS...
LAKE BENTON...IVANHOE...PIPESTONE...LUVERNE...WAKEFIELD...PONCA...
ALLEN...SOUTH SIOUX CITY...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...HOWARD...MADISON...FLANDREAU...MITCHELL...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
350 AM CST SAT JAN 27 2007

...WIND CHILL ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 AM
CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO
6 AM CST SUNDAY. 

SUB ZERO TEMPERATURES COMBINED WITH A NORTHWEST WIND OF 10 TO 20
MPH WILL RESULT IN WIND CHILLS OF 20 TO 25 DEGREES BELOW ZERO.
WIND CHILL READINGS ARE EXPECTED TO IMPROVE SUNDAY MORNING AS WINDS
BECOME LIGHT.

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.

$$

IAZ002-003-013-014-021-022-MNZ072-080-081-089-090-271800-
/O.NEW.KFSD.WC.Y.0003.070128T0300Z-070128T1700Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-LYON-MURRAY-
COTTONWOOD-NOBLES-JACKSON-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE...
STORM LAKE...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD
350 AM CST SAT JAN 27 2007

...WIND CHILL ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 11 AM
CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO
11 AM CST SUNDAY. 

SUB ZERO TEMPERATURES COMBINED WITH NORTHWEST WINDS OF 15 TO 20
MPH WILL YIELD WIND CHILL READINGS OF 25 TO 30 DEGREES BELOW ZERO
TONIGHT INTO SUNDAY MORNING. AS THE WINDS GRADUALLY DECREASE
SUNDAY MORNING WIND CHILL READINGS WILL GRADUALLY RISE.

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
6 follow-up statements
000 
WWUS43 KFSD 271716
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1116 AM CST SAT JAN 27 2007

.ARCTIC AIR WILL CONTINUE TO WORK INTO THE REGION TODAY RESULTING
IN SUBZERO READINGS TONIGHT. THE STRONG WINDS AND FALLING
TEMPERATURES WILL PRODUCE WIND CHILLS OF 15 BELOW TO 25 BELOW ZERO
NORTH OF INTERSTATE 90 THIS AFTERNOON. WHILE WINDS WILL DECREASE
SLOWLY TONIGHT...TEMPERATURES FALLING TO BELOW ZERO TONIGHT WILL
COMBINE WITH NORTHWEST WINDS STILL AT 10 TO 20 MPH TO PRODUCE WIND
CHILLS OF 20 TO 30 DEGREES BELOW ZERO TONIGHT.

MNZ071-097-SDZ038>040-052>056-280130-
/O.EXT.KFSD.WC.Y.0003.070127T1716Z-070128T1200Z/
LINCOLN-PIPESTONE-BEADLE-KINGSBURY-BROOKINGS-JERAULD-SANBORN-
MINER-LAKE-MOODY-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...PIPESTONE...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...HOWARD...MADISON...FLANDREAU
1116 AM CST SAT JAN 27 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 6 AM CST SUNDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 6 AM CST SUNDAY. 

FALLING TEMPERATURES COMBINED WITH NORTHWEST WINDS OF 25 TO 35
MPH WILL RESULT IN WIND CHILLS OF 15 TO 25 DEGREES BELOW ZERO THIS
AFTERNOON. TEMPERATURES BELOW ZERO AND NORTHWEST WINDS 10 TO 20
MPH WILL PRODUCE WIND CHILLS OF 20 TO 30 BELOW ZERO TONIGHT. WIND
CHILL READINGS ARE EXPECTED TO IMPROVE SUNDAY MORNING AS WINDS
BECOME LIGHT.

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.

$$

MNZ072-080-081-089-090-280130-
/O.EXT.KFSD.WC.Y.0003.070127T1716Z-070128T1700Z/
LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
INCLUDING THE CITIES OF...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD
1116 AM CST SAT JAN 27 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 11 AM CST SUNDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 11 AM CST SUNDAY. 

FALLING TEMPERATURES COMBINED WITH NORTHWEST WINDS OF 25 TO 35
MPH WILL RESULT IN WIND CHILLS OF 15 TO 25 DEGREES BELOW ZERO THIS
AFTERNOON. TEMPERATURES BELOW ZERO AND NORTHWEST WINDS 10 TO 20
MPH WILL PRODUCE WIND CHILLS OF 20 TO 30 BELOW ZERO TONIGHT AND
SUNDAY MORNING. WIND CHILL READINGS ARE EXPECTED TO IMPROVE BY
NOON SUNDAY AS WINDS BECOME LIGHT.

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.

$$

IAZ001-012-020-031-032-MNZ098-NEZ013-014-SDZ059>062-065>067-070-
071-280130-
/O.EXT.KFSD.WC.Y.0003.070128T0000Z-070128T1200Z/
LYON-SIOUX-PLYMOUTH-WOODBURY-IDA-ROCK-DIXON-DAKOTA-DAVISON-HANSON-
MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-LINCOLN-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...LUVERNE...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...MITCHELL...ALEXANDRIA...
EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
1116 AM CST SAT JAN 27 2007

...WIND CHILL ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO
6 AM CST SUNDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM 6 PM THIS EVENING
TO 6 AM CST SUNDAY. 

TEMPERATURES FALLING TO BELOW ZERO COMBINED WITH NORTHWEST WINDS
OF 15 TO 25 MPH DECREASING TO 10 TO 20 MPH WILL RESULT IN WIND
CHILLS OF 20 TO 25 DEGREES BELOW ZERO. WIND CHILL READINGS ARE
EXPECTED TO IMPROVE SUNDAY MORNING AS WINDS BECOME LIGHT.

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.

$$

IAZ002-003-013-014-021-022-280130-
/O.EXT.KFSD.WC.Y.0003.070128T0000Z-070128T1700Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE...
STORM LAKE
1116 AM CST SAT JAN 27 2007

...WIND CHILL ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO
11 AM CST SUNDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM 6 PM THIS EVENING
TO 11 AM CST SUNDAY. 

TEMPERATURES FALLING TO BELOW ZERO COMBINED WITH NORTHWEST WINDS
OF 15 TO 25 MPH DECREASING TO 10 TO 20 MPH WILL RESULT IN WIND
CHILLS OF 20 TO 25 DEGREES BELOW ZERO TONIGHT INTO SUNDAY MORNING.
WIND CHILL READINGS ARE EXPECTED TO IMPROVE BY NOON SUNDAY AS
WINDS BECOME LIGHT.

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.

$$
WILLIAMS
000 
WWUS43 KFSD 272148
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
348 PM CST SAT JAN 27 2007

.ARCTIC AIR WILL CONTINUE TO FLOW INTO THE REGION THROUGH TONIGHT.
WHILE THE WINDS WILL DECREASE SLOWLY FROM THE STRONG LEVELS OF
LATE AFTERNOON...TEMPERATURES FALLING TO BELOW ZERO COMBINING WITH
THE LINGERING WINDS WILL PRODUCE WIND CHILLS OF 20 BELOW TO 25
BELOW ZERO TONIGHT MAINLY FROM THE JAMES RIVER EAST.

MNZ071-097-SDZ038>040-052>056-280600-
/O.CON.KFSD.WC.Y.0003.000000T0000Z-070128T1200Z/
LINCOLN-PIPESTONE-BEADLE-KINGSBURY-BROOKINGS-JERAULD-SANBORN-
MINER-LAKE-MOODY-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...PIPESTONE...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...HOWARD...MADISON...FLANDREAU
348 PM CST SAT JAN 27 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY. 

TEMPERATURES FALLING TO BELOW ZERO TONIGHT WILL COMBINE WITH
WINDS DECREASING TO 10 TO 15 MPH TO PRODUCE WIND CHILLS OF 20 TO
25 DEGREES BELOW ZERO. WIND CHILL READINGS ARE EXPECTED TO IMPROVE
SUNDAY MORNING AS WINDS BECOME LIGHT.

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.

$$

MNZ072-080-081-089-090-280600-
/O.CON.KFSD.WC.Y.0003.000000T0000Z-070128T1700Z/
LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
INCLUDING THE CITIES OF...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD
348 PM CST SAT JAN 27 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST SUNDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST SUNDAY. 

TEMPERATURES FALLING TO BELOW ZERO TONIGHT WILL COMBINE WITH
WINDS SLOWLY DECREASING TO 10 TO 20 MPH...TO PRODUCE WIND CHILLS
OF 20 TO 30 DEGREES BELOW ZERO. THESE WIND CHILL READINGS SHOULD
CONTINUE MOST OF SUNDAY MORNING BEFORE WINDS BECOME LIGHT AND
TEMPERATURES BEGIN TO RISE BY NOON.

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.

$$

IAZ001-012-020-031-032-MNZ098-NEZ013-014-SDZ059>062-065>067-070-
071-280600-
/O.CON.KFSD.WC.Y.0003.070128T0000Z-070128T1200Z/
LYON-SIOUX-PLYMOUTH-WOODBURY-IDA-ROCK-DIXON-DAKOTA-DAVISON-HANSON-
MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-LINCOLN-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...LUVERNE...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...MITCHELL...ALEXANDRIA...
EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
348 PM CST SAT JAN 27 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY. 

TEMPERATURES FALLING TO BELOW ZERO TONIGHT WILL COMBINE WITH
WINDS SLOWLY DECREASING TO 10 TO 20 MPH...TO PRODUCE WIND CHILLS
OF 20 TO 25 DEGREES BELOW ZERO. THESE WIND CHILL READINGS SHOULD
CONTINUE MOST OF SUNDAY MORNING BEFORE WINDS BECOME LIGHT AND
TEMPERATURES BEGIN TO RISE BY NOON.

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.

$$

IAZ002-003-013-014-021-022-280600-
/O.CON.KFSD.WC.Y.0003.070128T0000Z-070128T1700Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE...
STORM LAKE
348 PM CST SAT JAN 27 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST SUNDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST SUNDAY. 

TEMPERATURES FALLING TO BELOW ZERO TONIGHT WILL COMBINE WITH
WINDS SLOWLY DECREASING TO 10 TO 20 MPH TO PRODUCE WIND CHILLS OF
20 TO 25 DEGREES BELOW ZERO. THESE WIND CHILL READINGS SHOULD
CONTINUE MOST OF SUNDAY MORNING BEFORE WINDS BECOME LIGHT AND
TEMPERATURES BEGIN TO RISE BY NOON.

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.

$$
WILLIAMS
000 
WWUS43 KFSD 280140
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
740 PM CST SAT JAN 27 2007

.BRISK NORTHWEST WINDS WILL CONTINUE TO BRING VERY COLD AIR INTO
THE AREA TONIGHT...WITH GRADUALLY DECREASING WINDS FROM WEST TO
EAST OVER THE AREA TONIGHT THROUGH SUNDAY MORNING. THE LOWEST WIND
CHILLS OF 20 TO 25 BELOW ZERO ARE EXPECTED FROM BROOKINGS SOUTH
DAKOTA THROUGH ALL OF SOUTHWEST MINNESOTA TO THE SPENCER IOWA AREA.

IAZ012-020-031-032-NEZ013-014-SDZ052-053-059>061-065-066-070-071-
280245-
/O.CAN.KFSD.WC.Y.0003.000000T0000Z-070128T1200Z/
SIOUX-PLYMOUTH-WOODBURY-IDA-DIXON-DAKOTA-JERAULD-SANBORN-DAVISON-
HANSON-MCCOOK-HUTCHINSON-TURNER-CLAY-UNION-
INCLUDING THE CITIES OF...ORANGE CITY...SIOUX CENTER...LE MARS...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...PARKSTON...FREEMAN...MENNO...TRIPP...
PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
740 PM CST SAT JAN 27 2007

...WIND CHILL ADVISORY IS CANCELLED...

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

BRISK NORTHWEST WINDS AND COLD TEMPERATURES WILL AFFECT THE AREA
TONIGHT...BUT WIND CHILLS SHOULD STAY ABOVE 20 BELOW ZERO.

$$

MNZ071-097-SDZ038>040-054>056-280945-
/O.CON.KFSD.WC.Y.0003.000000T0000Z-070128T1200Z/
LINCOLN-PIPESTONE-BEADLE-KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...PIPESTONE...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...HOWARD...MADISON...FLANDREAU
740 PM CST SAT JAN 27 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY. 

TEMPERATURES FALLING TO BELOW ZERO TONIGHT WILL COMBINE WITH
WINDS DECREASING TO 10 TO 15 MPH TO PRODUCE WIND CHILLS OF 20 TO
25 DEGREES BELOW ZERO. WIND CHILL READINGS ARE EXPECTED TO
IMPROVE SUNDAY MORNING AS WINDS BECOME LIGHT.

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.

$$

MNZ072-080-081-089-090-280945-
/O.CON.KFSD.WC.Y.0003.000000T0000Z-070128T1700Z/
LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
INCLUDING THE CITIES OF...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD
740 PM CST SAT JAN 27 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST SUNDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST SUNDAY. 

TEMPERATURES FALLING TO BELOW ZERO TONIGHT WILL COMBINE WITH WINDS
SLOWLY DECREASING TO 10 TO 20 MPH...TO PRODUCE WIND CHILLS AS LOW
AS 25 BELOW ZERO. THESE WIND CHILL READINGS SHOULD CONTINUE MOST
OF SUNDAY MORNING BEFORE WINDS BECOME LIGHT AND TEMPERATURES BEGIN
TO RISE BY NOON.

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-MNZ098-SDZ062-067-280945-
/O.CON.KFSD.WC.Y.0003.000000T0000Z-070128T1200Z/
LYON-ROCK-MINNEHAHA-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...LUVERNE...SIOUX FALLS...CANTON...LENNOX...TEA...
HARRISBURG
740 PM CST SAT JAN 27 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY. 

TEMPERATURES FALLING TO BELOW ZERO TONIGHT WILL COMBINE WITH
NORTHWEST WINDS OF 10 TO 20 MPH...TO PRODUCE WIND CHILLS AROUND
20 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.

$$

IAZ002-003-013-014-021-022-280945-
/O.CON.KFSD.WC.Y.0003.000000T0000Z-070128T1700Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE...
STORM LAKE
740 PM CST SAT JAN 27 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST SUNDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST SUNDAY. 

TEMPERATURES FALLING TO BELOW ZERO TONIGHT WILL COMBINE WITH
NORTHWEST WINDS SLOWLY DECREASING TO 10 TO 20 MPH TO PRODUCE WIND
CHILLS APPROACHING 20 BELOW ZERO. THESE WIND CHILL READINGS SHOULD
CONTINUE MOST OF SUNDAY MORNING BEFORE WINDS BECOME LIGHT AND
TEMPERATURES BEGIN TO RISE BY NOON.

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.

$$
RSR
000 
WWUS43 KFSD 280947
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
347 AM CST SUN JAN 28 2007

.BRISK NORTHWEST WINDS AND COLD ARCTIC AIR WILL PRODUCE WIND
CHILL VALUES FROM 20 BELOW TO 25 BELOW ZERO ACROSS THE ADVISORY
AREA EARLY THIS MORNING. THE WINDS WILL SUBSIDE AND TEMPERATURES
GRADUALLY WARM BY MID MORNING. 

MNZ072-080-081-089-090-281600-
/O.EXT.KFSD.WC.Y.0003.000000T0000Z-070128T1600Z/
LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
INCLUDING THE CITIES OF...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD
347 AM CST SUN JAN 28 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 10 AM CST THIS
MORNING...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 10 AM CST THIS
MORNING. 

EARLY MORNING SUB ZERO TEMPERATURES WILL COMBINE WITH BRISK
NORTHWEST WINDS TO PRODUCE WIND CHILLS AS LOW AS 25 BELOW ZERO.
THESE WIND CHILL VALUES WILL CONTINUE THROUGH MID MORNING BEFORE
THE WINDS DIMINISH AND TEMPERATURES BEGIN TO RISE.

A WIND CHILL ADVISORY IS ISSUED WHEN WIND COMBINES 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.

$$

IAZ002-003-013-014-021-022-281600-
/O.EXT.KFSD.WC.Y.0003.000000T0000Z-070128T1600Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE...
STORM LAKE
347 AM CST SUN JAN 28 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 10 AM CST THIS
MORNING...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 10 AM CST THIS
MORNING. 

EARLY MORNING SUB ZERO TEMPERATURES WILL COMBINE WITH BRISK
NORTHWEST WINDS TO PRODUCE WIND CHILLS AS LOW AS 25 BELOW ZERO.
THESE WIND CHILL VALUES WILL CONTINUE THROUGH MID MORNING BEFORE
THE WINDS DIMINISH AND TEMPERATURES BEGIN TO RISE.

A WIND CHILL ADVISORY IS ISSUED WHEN WIND COMBINES 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.

$$

MNZ071-097-SDZ038>040-054>056-281200-
/O.CON.KFSD.WC.Y.0003.000000T0000Z-070128T1200Z/
LINCOLN-PIPESTONE-BEADLE-KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...PIPESTONE...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...HOWARD...MADISON...FLANDREAU
347 AM CST SUN JAN 28 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY
THIS MORNING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING. 

EARLY MORNING SUB ZERO TEMPERATURES WILL COMBINE WITH BRISK
NORTHWEST WINDS TO PRODUCE WIND CHILLS AS LOW AS 25 BELOW ZERO.
THESE WIND CHILL VALUES WILL CONTINUE THROUGH 6 AM BEFORE THE
WINDS DIMINISH AND TEMPERATURES BEGIN TO RISE.

A WIND CHILL ADVISORY IS ISSUED WHEN WIND COMBINES 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-MNZ098-SDZ062-067-281200-
/O.CON.KFSD.WC.Y.0003.000000T0000Z-070128T1200Z/
LYON-ROCK-MINNEHAHA-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...LUVERNE...SIOUX FALLS...CANTON...LENNOX...TEA...
HARRISBURG
347 AM CST SUN JAN 28 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY
THIS MORNING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING. 

EARLY MORNING SUB ZERO TEMPERATURES WILL COMBINE WITH BRISK
NORTHWEST WINDS TO PRODUCE WIND CHILLS AS LOW AS 25 BELOW ZERO.
THESE WIND CHILL VALUES WILL CONTINUE THROUGH 6 AM BEFORE THE
WINDS DIMINISH AND TEMPERATURES BEGIN TO RISE.

A WIND CHILL ADVISORY IS ISSUED WHEN WIND COMBINES 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.

$$
 GH
000 
WWUS43 KFSD 281202
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
602 AM CST SUN JAN 28 2007

.BRISK NORTHWEST WINDS AND COLD ARCTIC AIR WILL PRODUCE WIND
CHILL VALUES FROM 20 BELOW TO 25 BELOW ZERO ACROSS THE ADVISORY
AREA EARLY THIS MORNING. THE WINDS WILL SUBSIDE AND TEMPERATURES
GRADUALLY WARM BY MID MORNING.

IAZ001-MNZ071-097-098-SDZ038>040-054>056-062-067-281315-
/O.EXP.KFSD.WC.Y.0003.000000T0000Z-070128T1200Z/
LYON-LINCOLN-PIPESTONE-ROCK-BEADLE-KINGSBURY-BROOKINGS-MINER-LAKE-
MOODY-MINNEHAHA-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
PIPESTONE...LUVERNE...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...HOWARD...MADISON...FLANDREAU...
SIOUX FALLS...CANTON...LENNOX...TEA...HARRISBURG
602 AM CST SUN JAN 28 2007

...WIND CHILL ADVISORY HAS EXPIRED...

THE WIND CHILL ADVISORY IS NO LONGER IN EFFECT. 

WEST TO NORTHWEST WINDS HAVE BECOME LIGHT...DIMINISHING THE THREAT
OF BITTERLY COLD WIND CHILLS. TEMPERATURES WILL REMAIN BELOW ZERO
EARLY THIS MORNING THOUGH...SO THOSE VENTURING OUTDOORS SHOULD STILL
DRESS WARMLY.

$$

MNZ072-080-081-089-090-281600-
/O.CON.KFSD.WC.Y.0003.000000T0000Z-070128T1600Z/
LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
INCLUDING THE CITIES OF...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD
602 AM CST SUN JAN 28 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS
MORNING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS
MORNING. 

EARLY MORNING SUB ZERO TEMPERATURES WILL COMBINE WITH BRISK
NORTHWEST WINDS TO PRODUCE WIND CHILLS AS LOW AS 25 TO 30 BELOW 
ZERO. THESE WIND CHILL VALUES WILL CONTINUE THROUGH MID MORNING
BEFORE THE WINDS DIMINISH AND TEMPERATURES BEGIN TO RISE.

A WIND CHILL ADVISORY IS ISSUED WHEN WIND COMBINES 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.

$$

IAZ002-003-013-014-021-022-281600-
/O.CON.KFSD.WC.Y.0003.000000T0000Z-070128T1600Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE...
STORM LAKE
602 AM CST SUN JAN 28 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS
MORNING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS
MORNING. 

EARLY MORNING SUB ZERO TEMPERATURES WILL COMBINE WITH BRISK
NORTHWEST WINDS TO PRODUCE WIND CHILLS AS LOW AS 25 BELOW ZERO.
THESE WIND CHILL VALUES WILL CONTINUE THROUGH MID MORNING BEFORE
THE WINDS DIMINISH AND TEMPERATURES BEGIN TO RISE.

A WIND CHILL ADVISORY IS ISSUED WHEN WIND COMBINES 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 281552
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
952 AM CST SUN JAN 28 2007

.AS WINDS DIMINISH THIS MORNING...AND TEMPERATURES SLOWLY MODERATE
TOWARD ZERO...WIND CHILLS ARE EXPECTED TO SLOWLY MODERATE AS WELL.
THEREFORE...THE WIND CHILL ADVISORY WILL BE ALLOWED TO EXPIRE.

MNZ072-080-081-089-090-281700-
/O.EXP.KFSD.WC.Y.0003.000000T0000Z-070128T1600Z/
LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
INCLUDING THE CITIES OF...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD
952 AM CST SUN JAN 28 2007

...WIND CHILL ADVISORY WILL EXPIRE AT 10 AM CST THIS MORNING...

THE WIND CHILL ADVISORY WILL EXPIRE AT 10 AM CST THIS MORNING. 

WINDS HAVE DIMINISHED TO LESS THAN 10 MPH...THEREFORE...THE WIND
CHILL ADVISORY HAS BEEN ALLOWED TO EXPIRE. HOWEVER...WIND CHILLS
WILL REMAIN FROM 10 BELOW TO 20 BELOW ZERO LATE THIS MORNING.

$$

IAZ002-003-013-014-021-022-281700-
/O.EXP.KFSD.WC.Y.0003.000000T0000Z-070128T1600Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE...
STORM LAKE
952 AM CST SUN JAN 28 2007

...WIND CHILL ADVISORY WILL EXPIRE AT 10 AM CST THIS MORNING...

THE WIND CHILL ADVISORY WILL EXPIRE AT 10 AM CST THIS MORNING. 

WINDS HAVE DIMINISHED TO LESS THAN 10 MPH...THEREFORE...THE WIND
CHILL ADVISORY HAS BEEN ALLOWED TO EXPIRE. HOWEVER...WIND CHILLS
WILL REMAIN FROM 10 BELOW TO 20 BELOW ZERO LATE THIS MORNING.


$$

CHAPMAN

What forecasters said that day

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

NWS Sioux Falls, SD wrote its last area forecast discussion before this wind chill advisory went out at Jan 27, 3:45 AM CST, 5 minutes earlier.

Area forecast discussion, Jan 27, 3:45 AM CST, 5 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
345 AM CST SAT JAN 27 2007

.DISCUSSION...
INFLUX OF WELL ADVERTISED COLD SURGE IS MAIN FOCUS THIS MORNING. 09Z
TEMPERATURES STILL RELATIVELY MILD IN THE MID TEENS TO LOWER 20S
OVER THE AREA...AND EXPECT MANY AREAS ARE NEAR THEIR DAILY HIGH AT
THIS TIME. MAIN COLD PUSH NORTH OF A KRAP-KPIR-KABR-KPKD LINE ON 09Z
SURFACE ANALYSIS...WITH SINGLE DIGITS AND LOWER TEENS OVER MOST OF
NORTH DAKOTA AND EASTERN MONTANA. STRONG COLD ADVECTION BEHIND THE
FRONT...WITH 850MB TEMPS FORECAST TO DROP ANOTHER 8-10C OVER THE
NEXT 9 HOURS...REACHING CLOSE TO -20C BY EARLY AFTERNOON. SHOULD BE
ABLE TO MIX TO THIS LEVEL OR EVEN A LITTLE HIGHER...WHICH WILL ONLY
YIELD AFTERNOON TEMPERATURES FROM A COUPLE OF DEGREES EITHER SIDE OF
10F IN THE NORTH TO THE UPPER TEENS IN THE SOUTH.

MARGINALLY UNSTABLE LOW LEVELS MOVE INTO THE AREA...ESPECIALLY MN/IA
COUNTIES THIS AFTERNOON WITH STEEP LAPSE RATES AND SLIGHTLY NEGATIVE
LIFTED INDICES FOR PARCELS LIFTED TO 850MB...SO SNOW WILL DEFINITELY
HAVE CONVECTIVE NATURE. SEEING VSBYS UPSTREAM IN THESE SNOW SHOWERS
DROP TO A MILE OR TWO...BUT LOWER VSBYS ARE SHORT-LIVED...AND NOT
SEEING MUCH FOR MEASURABLE PRECIP WITH THEM TO OUR NORTH...SO WILL
KEEP POPS ON THE LOW END OF SCATTERED RANGE IN THE EAST WITH JUST
FLURRIES IN CENTRAL AND WESTERN SECTIONS. STRONG WINDS WILL ALSO MIX
DOWN...ESPECIALLY WITH ANY SNOW SHOWERS...AND COULD BE CLOSE TO WIND
ADVISORY CRITERIA DURING THE LATE MORNING AND AFTERNOON. HOWEVER...
WITH THE STRONGEST WINDS TIED TO SHOWERS...THEY ARE EXPECTED ALSO
EXPECTED TO BE SHORT-LIVED AT ANY ONE LOCATION SO WILL FORGO WIND
ADVISORY AT THIS TIME.

WINDS WILL STAY UP IN AT LEAST 10-20 MPH RANGE OVER MOST OF THE AREA
TONIGHT. SHOULD DECREASE WEST OF THE JAMES ENOUGH TO MINIMIZE WIND
CHILL THREAT...WHILE MORE BREEZY CONDITIONS SHOULD PERSIST ALONG THE
BUFFALO RIDGE. WITH TEMPERATURES EXPECTED TO FALL INTO THE SINGLE
DIGITS BELOW ZERO MOST AREAS...WIND CHILLS OF -20 TO -25 WILL BE
COMMON EAST OF THE JAMES VALLEY...WITH PARTS OF SOUTHWEST MINNESOTA
APPROACHING -30. WIND CHILL ADVISORY CERTAINLY WARRANTED FOR THESE
CONDITIONS. WINDS ACROSS SD/NE COUNTIES AND WESTERN TIER OF MN/IA
COUNTIES SHOULD DECREASE ENOUGH BEFORE DAYBREAK TO LESSEN IMPACT...
BUT WILL CONTINUE IN 10 TO 15 MPH RANGE ACROSS HIGHER TERRAIN IN OUR
EAST AND WILL KEEP ADVISORY GOING THROUGH MUCH OF THE MORNING THERE.

GOOD WARM ADVECTION SEEN SUNDAY...BUT WILL LIKELY NOT REALIZE MUCH
OF IT AT THE SURFACE...ESPECIALLY OVER SNOW COVER WITH SURFACE RIDGE
ACROSS THE CENTRAL/EASTERN CWA. SHOULD BE JUST ENOUGH TO ALLOW
TEMPERATURES TO REBOUND INTO THE 10 TO 15F RANGE EAST OF THE JAMES
RIVER ON SUNDAY...WHILE THE FAR SOUTHWEST CWA JUMPS INTO THE 20S
WITH MINIMAL SNOW COVER THERE. ASIDE FROM THE COLD TEMPERATURES...
SUNDAY SHOULD BE QUIET WITH INCREASING MID LEVEL CLOUDS AHEAD OF THE
NEXT WAVE. SCENARIO FROM TODAY WILL THEN BE REPEATED ON MONDAY...
WITH ANOTHER PUSH OF COLD AIR AND MARGINALLY UNSTABLE LOW LEVELS
PROVIDING ANOTHER CHANCE FOR SNOW SHOWERS.

THE BROKEN RECORD CONTINUES TO PLAY IN THE EXTENDED AS PERIODIC
SHOTS OF ARCTIC AIR CONTINUE TO WORK INTO THE UPPER MIDWEST. THE
CANADIAN AND GFS ARE MORE AGGRESSIVE WITH THE WAVE ON WEDNESDAY THAN
THE ECMWF...BUT GIVEN ALL THE MODELS ARE AT LEAST ADVERTISING
SOMETHING OPTED TO RUN WITH IT.  WITH FAIRLY STOUT SOUTHWEST FLOW
ALOFT DEVELOPS TUESDAY EVENING...FEEL TEMPERATURES WILL FALL VERY
LITTLE AND MAY RISE SOME OVERNIGHT.  BEST CHANCE OF THIS OCCURRING
WILL BE IN EXPOSED LOCATIONS ALONG THE BUFFALO RIDGE.  THE COLD AIR
ADVECT BACK INTO THE REGION ON WEDNESDAY AS ANOTHER COLD FRONT PLOWS
THROUGH THE REGION...AND WITH FAIRLY DENSE CLOUD COVER EXPECT LITTLE
RISE IN TEMPERATURES. HAVE KEPT 20 PERCENT CHANCE OF PRECIP ON
WEDNESDAY WITH POTENTIAL FOR LIGHT SNOW OR FLURRIES.  BOTTOM APPEARS
TO FALL OUT LATE IN THE WEEK AS MUCH STRONGER ARCTIC SURGE PLUNGES
INTO REGION. THIS JUST BEYOND FORECAST PERIOD BUT APPEARS TO BE THE
COLDEST AIR OF THE SEASON THUS FAR.

&&

.AVIATION...
STRATUS WORKING DOWN FROM THE NORTH WILL OVERSPREAD FORECAST AREA
THIS MORNING. THE STRONG COLD AIR ADVECTION IN THE LOWER LAYERS
COUPLED WITH UNIDIRECTIONAL WIND PROFILE WILL MAKE IT EASY FOR
STRONGER WINDS ALOFT TO MIX DOWN NEAR THE SURFACE CREATING GUSTY
CONDITIONS. EXPECT WINDS TO RAPIDLY INCREASE ACROSS THE REGION
BETWEEN 12 AND 15Z. IN ADDITION...THERE MAY BE POCKETS OF LIGHT SNOW
SHOWERS OF FLURRIES THROUGHOUT THE DAY. THE GREATEST CHANCE FOR
LOWER VISBYS AND CEILINGS WILL BE IN NORTHWEST IOWA AND SOUTHWEST
MINNESOTA.
&&

.FSD WATCHES/WARNINGS/ADVISORIES...
SD...WIND CHILL ADVISORY FROM 9 PM THIS EVENING TO 6 AM CST SUNDAY
     FOR SDZ038>040-052>056-059>062-065>067-070-071.
MN...WIND CHILL ADVISORY FROM 9 PM THIS EVENING TO 6 AM CST SUNDAY
     FOR MNZ071-097-098.
     WIND CHILL ADVISORY FROM 9 PM THIS EVENING TO 11 AM CST SUNDAY
     FOR MNZ072-080-081-089-090.
IA...WIND CHILL ADVISORY FROM 9 PM THIS EVENING TO 6 AM CST SUNDAY
     FOR IAZ001-012-020-031-032.
     WIND CHILL ADVISORY FROM 9 PM THIS EVENING TO 11 AM CST SUNDAY
     FOR IAZ002-003-013-014-021-022.
NE...WIND CHILL ADVISORY FROM 9 PM THIS EVENING TO 6 AM CST SUNDAY
     FOR NEZ013-014.

&&

 JH/BT
Hazardous weather outlook, Jan 26, 4:10 AM CST, 23 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
0410 AM CST FRI JAN 26 2007

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-271200-
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-
0410 AM CST FRI JAN 26 2007

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

MUCH COLDER AIR WILL MOVE INTO THE REGION TONIGHT AND REMAIN
THROUGH THE WEEKEND. LATE SATURDAY NIGHT AND SUNDAY
MORNING...TEMPERATURES WILL BE NEAR ZERO. THIS...COMBINED WITH
WINDS OF 10 TO 20 MPH...WILL PRODUCE WIND CHILLS FROM 15 BELOW TO
30 BELOW ZERO.

.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.

SCHUMACHER

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 27, 11:07 AM CSTWind AdvisoryFSDAurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more7 hr

Nearby

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