Alert archive / Iowa / Wind Chill Warnings in 2008

Wind Chill Warning 3, NWS Sioux Falls, SD

February 19, 20084 states

NWS Sioux Falls, SD issued this wind chill warning at Feb 19, 2008, 3:34 PM CST for 4 states. It took effect at Feb 19, 2008, 9:00 PM CST. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 19, 2008, 3:34 PM CST (21:34 UTC)
In effect from
Feb 19, 2008, 9:00 PM CST
Expired
Feb 20, 2008, 12:00 PM CST
In force
15 hr
Issued by
NWS Sioux Falls, SD
All 32 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, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Union County, SD

The radar

The Sioux Falls radar (KFSD), 39 km from the middle of the area, began a volume at 21:31 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 12:00Z, 9.6 hours before the alert went out and 233 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 12:00Z on 2008-02-19Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 12:00Z on 2008-02-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 square meters per square second.1939587897117136Sfc1 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
1069 m above ground
0-6 km bulk shear
108 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
344 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 192134
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
334 PM CST TUE FEB 19 2008

.ARCTIC HIGH PRESSURE WILL MOVE SOUTHWARD ACROSS THE NORTHERN
PLAINS TONIGHT...PRODUCING VERY COLD TEMPERATURES AND BITTERLY
COLD WIND CHILLS. 

IAZ002-003-MNZ071-072-080-081-089-090-097-098-SDZ040-055-056-
200545-
/O.UPG.KFSD.WC.Y.0011.080219T2300Z-080220T1800Z/
/O.NEW.KFSD.WC.W.0003.080220T0300Z-080220T1800Z/
OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-ROCK-BROOKINGS-LAKE-MOODY-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...
BROOKINGS...MADISON...FLANDREAU
334 PM CST TUE FEB 19 2008

...WIND CHILL WARNING IN EFFECT FROM 9 PM THIS EVENING TO 12 PM
CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO
12 PM CST WEDNESDAY. THE WIND CHILL ADVISORY IS NO LONGER IN
EFFECT. 

BITTERLY COLD WIND CHILL READINGS WILL PREVAIL TONIGHT AND 
WEDNESDAY MORNING. TEMPERATURES WILL PLUMMET TONIGHT TO ABOUT
15 BELOW TO AROUND 20 DEGREES BELOW ZERO...WITH WIND SPEEDS A
RATHER BREEZY 15 TO 25 MPH. THESE FACTORS WILL COMBINE TO PRODUCE
WIND CHILL READINGS OF 35 BELOW TO AROUND 40 DEGREES BELOW ZERO.
THE WINDS WILL SUBSIDE WEDNESDAY MORNING INTO THE 5 TO 15 MPH
RANGE...BUT THE AIR TEMPERATURE WILL BE EXTREMELY COLD. THEREFORE
THE WIND CHILL VALUES WILL NOT MODIFY UNTIL WEDNESDAY AFTERNOON.

A WIND CHILL WARNING MEANS THE COMBINATION OF
VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND
CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO
HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN.

$$

SDZ038-039-054-200545-
/O.UPG.KFSD.WC.Y.0011.080219T2300Z-080220T1200Z/
/O.NEW.KFSD.WC.W.0003.080220T0300Z-080220T1800Z/
BEADLE-KINGSBURY-MINER-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...HOWARD
334 PM CST TUE FEB 19 2008

...WIND CHILL WARNING IN EFFECT FROM 9 PM THIS EVENING TO 12 PM
CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO
12 PM CST WEDNESDAY. THE WIND CHILL ADVISORY IS NO LONGER IN
EFFECT. 

BITTERLY COLD WIND CHILL READINGS WILL PREVAIL TONIGHT AND 
WEDNESDAY MORNING. TEMPERATURES WILL PLUMMET TONIGHT TO AROUND 20
DEGREES BELOW ZERO...WITH WIND SPEEDS AVERAGING 10 TO 20 MPH
OVERNIGHT TONIGHT. THESE FACTORS WILL COMBINE TO PRODUCE WIND
CHILL READINGS OF 35 BELOW TO NEAR 40 DEGREES BELOW ZERO. THE
WINDS WILL CONTINUE TO SUBSIDE WEDNESDAY MORNING...THEREFORE THE
WIND CHILL VALUES WILL BEGIN TO MODIFY BY LATE MORNING. 

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

IAZ001-012>014-021-022-032-SDZ062-067-200545-
/O.UPG.KFSD.WC.Y.0011.080220T0200Z-080220T1800Z/
/O.NEW.KFSD.WC.W.0003.080220T0300Z-080220T1800Z/
LYON-SIOUX-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-MINNEHAHA-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...SPENCER...CHEROKEE...STORM LAKE...IDA GROVE...
HOLSTEIN...BATTLE CREEK...SIOUX FALLS...CANTON...LENNOX...TEA...
HARRISBURG
334 PM CST TUE FEB 19 2008

...WIND CHILL WARNING IN EFFECT FROM 9 PM THIS EVENING TO 12 PM
CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO
12 PM CST WEDNESDAY. THE WIND CHILL ADVISORY IS NO LONGER IN
EFFECT. 

BITTERLY COLD WIND CHILL READINGS WILL PREVAIL TONIGHT AND 
WEDNESDAY MORNING. TEMPERATURES WILL PLUMMET TONIGHT INTO THE
TEENS BELOW ZERO...WITH WIND SPEEDS EVENTUALLY SETTLING INTO THE
10 TO 20 MPH RANGE LATER TONIGHT. THESE FACTORS WILL COMBINE TO
PRODUCE WIND CHILL READINGS CLOSE TO 35 DEGREES BELOW ZERO AS THE
NIGHT PROGRESSES. THE WIND CHILL VALUES WILL BEGIN TO MODIFY BY
MIDDAY WEDNESDAY AS THE WINDS CONTINUE TO SUBSIDE. 

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

SDZ061-200545-
/O.UPG.KFSD.WC.Y.0011.080220T0200Z-080220T1200Z/
/O.NEW.KFSD.WC.W.0003.080220T0300Z-080220T1800Z/
MCCOOK-
INCLUDING THE CITIES OF...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE
334 PM CST TUE FEB 19 2008

...WIND CHILL WARNING IN EFFECT FROM 9 PM THIS EVENING TO 12 PM
CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO
12 PM CST WEDNESDAY. THE WIND CHILL ADVISORY IS NO LONGER IN
EFFECT. 

BITTERLY COLD WIND CHILL READINGS WILL PREVAIL TONIGHT AND 
WEDNESDAY MORNING. TEMPERATURES WILL PLUMMET TONIGHT INTO THE
TEENS BELOW ZERO...WITH WIND SPEEDS EVENTUALLY SETTLING INTO THE
10 TO 20 MPH RANGE LATER TONIGHT. THESE FACTORS WILL COMBINE TO
PRODUCE WIND CHILL READINGS CLOSE TO 35 DEGREES BELOW ZERO AS THE
NIGHT PROGRESSES. THE WIND CHILL VALUES WILL BEGIN TO MODIFY BY
MIDDAY WEDNESDAY AS THE WINDS CONTINUE TO SUBSIDE. 

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

SDZ050-057-063-200545-
/O.EXB.KFSD.WC.Y.0011.080220T0500Z-080220T1500Z/
GREGORY-BRULE-CHARLES MIX-
INCLUDING THE CITIES OF...GREGORY...BURKE...CHAMBERLAIN...
KIMBALL...WAGNER...PLATTE...LAKE ANDES...MARTY
334 PM CST TUE FEB 19 2008

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

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

WINDS WILL DECREASE TO THE 10 TO 20 MPH RANGE LATER TONIGHT.
HOWEVER AS THE AIR TEMPERATURE FALLS...WIND CHILL VALUES WILL ALSO 
FALL INTO THE 20 BELOW TO 30 DEGREES BELOW ZERO RANGE. THE WIND
CHILL READINGS WILL BEGIN TO MODIFY BY MID MORNING WEDNESDAY AS
THE WIND SPEEDS 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.

$$

IAZ020-031-NEZ013-014-SDZ052-053-058>060-065-066-070-071-200545-
/O.EXT.KFSD.WC.Y.0011.080220T0300Z-080220T1800Z/
PLYMOUTH-WOODBURY-DIXON-DAKOTA-JERAULD-SANBORN-AURORA-DAVISON-
HANSON-HUTCHINSON-TURNER-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...SIOUX CITY...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...PARKSTON...FREEMAN...MENNO...TRIPP...
PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
334 PM CST TUE FEB 19 2008

...WIND CHILL ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING TO
12 PM CST WEDNESDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM 9 PM THIS EVENING
TO 12 PM CST WEDNESDAY. 

VERY COLD WIND CHILL READINGS WILL PREVAIL TONIGHT AND WEDNESDAY
MORNING. TEMPERATURES WILL PLUMMET TONIGHT TO ABOUT 12 BELOW TO 17
DEGREES BELOW ZERO...WITH WIND SPEEDS EVENTUALLY SETTLING INTO
THE 10 TO 20 MPH RANGE LATER TONIGHT. THESE FACTORS WILL COMBINE
TO PRODUCE WIND CHILL READINGS OF 20 BELOW TO 35 DEGREES BELOW ZERO
AS THE NIGHT PROGRESSES. THE WIND CHILL VALUES WILL BEGIN TO
MODIFY BY MIDDAY WEDNESDAY AS THE WINDS CONTINUE TO SUBSIDE.

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.

$$

SDZ064-068-069-200545-
/O.EXT.KFSD.WC.Y.0011.080220T0500Z-080220T1500Z/
DOUGLAS-BON HOMME-YANKTON-
INCLUDING THE CITIES OF...ARMOUR...CORSICA...DELMONT...TYNDALL...
SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON
334 PM CST TUE FEB 19 2008

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

THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM 11 PM THIS EVENING
TO 9 AM CST WEDNESDAY. 

VERY COLD WIND CHILL READINGS WILL PREVAIL TONIGHT AND EARLY WEDNESDAY
MORNING. TEMPERATURES WILL PLUMMET TONIGHT TO ABOUT 15 BELOW...WITH
WIND SPEEDS EVENTUALLY SETTLING INTO THE 10 TO 20 MPH RANGE LATER
TONIGHT. THESE FACTORS WILL COMBINE TO PRODUCE WIND CHILL READINGS
OF 20 BELOW TO 35 DEGREES BELOW ZERO AS THE NIGHT PROGRESSES. THE
WIND CHILL VALUES WILL BEGIN TO MODIFY WEDNESDAY MORNING AS THE
WINDS CONTINUE TO SUBSIDE. 

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.

$$

 MJF
4 follow-up statements
000 
WWUS43 KFSD 200206
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
806 PM CST TUE FEB 19 2008

.ARCTIC HIGH PRESSURE WILL MOVE SOUTHWARD ACROSS THE NORTHERN
PLAINS TONIGHT...PRODUCING VERY COLD TEMPERATURES AND BITTERLY
COLD WIND CHILLS.

IAZ001>003-012>014-021-022-032-MNZ071-072-080-081-089-090-097-098-
SDZ038>040-054>056-061-062-067-201015-
/O.CON.KFSD.WC.W.0003.080220T0300Z-080220T1800Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-
LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-
KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-MCCOOK-MINNEHAHA-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...CHEROKEE...STORM LAKE...IDA GROVE...HOLSTEIN...
BATTLE CREEK...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...HURON...
DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...
MADISON...FLANDREAU...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS...CANTON...LENNOX...TEA...HARRISBURG
806 PM CST TUE FEB 19 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 12 PM CST
WEDNESDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 12 PM CST WEDNESDAY.

BITTERLY COLD WIND CHILL READINGS WILL PREVAIL TONIGHT INTO
WEDNESDAY MORNING. TEMPERATURES ARE EXPECTED TO FALL TO AROUND 20
BELOW TONIGHT. WITH A NORTH WIND OF 10 TO 20 MPH MUCH OF THE
NIGHT...WIND CHILL READINGS ARE EXPECTED TO FALL TO 35 TO 40
DEGREES BELOW ZERO LATE TONIGHT INTO WEDNESDAY MORNING. THE BITTERLY COLD
TEMPERATURES ARE EXPECTED TO CONTINUE INTO WEDNESDAY AS
TEMPERATURES CLIMB SLOWLY THROUGHOUT THE DAY.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

IAZ020-031-NEZ013-014-SDZ052-053-058>060-065-066-070-071-201015-
/O.CON.KFSD.WC.Y.0011.080220T0300Z-080220T1800Z/
PLYMOUTH-WOODBURY-DIXON-DAKOTA-JERAULD-SANBORN-AURORA-DAVISON-
HANSON-HUTCHINSON-TURNER-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...SIOUX CITY...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...PARKSTON...FREEMAN...MENNO...TRIPP...
PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
806 PM CST TUE FEB 19 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
WEDNESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
WEDNESDAY. 

VERY COLD WIND CHILL READINGS ARE EXPECTED OVERNIGHT INTO
WEDNESDAY MORNING AS TEMPERATURES FALL TO TEN TO FIFTEEN DEGREES
BELOW ZERO. NORTH WINDS OF 10 TO 20 MPH WILL COMBINE WITH THE
BITTERLY COLD TEMPERATURES TO RESULT IN WIND CHILL READINGS OF
TWENTY TO THIRTY DEGREES BELOW ZERO. WINDS ARE EXPECTED TO DECREASE
WEDNESDAY MORNING...BUT TEMPERATURES WILL BE SLOW TO CLIMB
RESULTING IN A CONTINUING ARCTIC CHILL.

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.

$$

SDZ050-057-063-064-068-069-201015-
/O.CON.KFSD.WC.Y.0011.080220T0500Z-080220T1500Z/
GREGORY-BRULE-CHARLES MIX-DOUGLAS-BON HOMME-YANKTON-
INCLUDING THE CITIES OF...GREGORY...BURKE...CHAMBERLAIN...
KIMBALL...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...
CORSICA...DELMONT...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...
TABOR...YANKTON
806 PM CST TUE FEB 19 2008

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

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 9 AM CST WEDNESDAY. 

VERY COLD WIND CHILL READINGS ARE EXPECTED OVERNIGHT INTO
WEDNESDAY MORNING AS TEMPERATURES FALL TO TEN TO FIFTEEN DEGREES
BELOW ZERO. NORTH WINDS OF 10 TO 20 MPH WILL COMBINE WITH THE
BITTERLY COLD TEMPERATURES TO RESULT IN WIND CHILL READINGS OF
TWENTY TO TWENTY-FIVE DEGREES BELOW ZERO. WINDS ARE EXPECTED TO BECOME
LIGHT WEDNESDAY MORNING...TEMPERING THE AFFECT OF THE BITTERLY COLD
TEMPERATURES.

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 201011
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
411 AM CST WED FEB 20 2008

.ARCTIC HIGH PRESSURE WILL MOVE SOUTHEAST OVER THE AREA THIS
MORNING...BRINGING THE COLDEST AIR SO FAR THIS WINTER SEASON.
NORTHERLY WINDS WILL STILL CAUSE DANGEROUS WIND CHILLS THIS MORNING.

IAZ020-031-NEZ013-014-SDZ070-071-201800-
/O.UPG.KFSD.WC.Y.0011.000000T0000Z-080220T1800Z/
/O.EXA.KFSD.WC.W.0003.000000T0000Z-080220T1800Z/
PLYMOUTH-WOODBURY-DIXON-DAKOTA-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...SIOUX CITY...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
411 AM CST WED FEB 20 2008

...WIND CHILL WARNING IN EFFECT UNTIL NOON CST TODAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT UNTIL NOON CST TODAY. THE WIND
CHILL ADVISORY IS NO LONGER IN EFFECT. 

DANGEROUS WIND CHILLS NEAR 35 BELOW ZERO EARLY THIS MORNING...WILL
IMPROVE BY LATE MORNING AS WINDS DECREASE AND TEMPERATURES RISE.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

SDZ038-039-054-055-061-201500-
/O.EXT.KFSD.WC.W.0003.000000T0000Z-080220T1500Z/
BEADLE-KINGSBURY-MINER-LAKE-MCCOOK-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...HOWARD...MADISON...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE
411 AM CST WED FEB 20 2008

...WIND CHILL WARNING NOW IN EFFECT UNTIL 9 AM CST THIS MORNING...

THE WIND CHILL WARNING IS NOW IN EFFECT UNTIL 9 AM CST THIS
MORNING. 

DANGEROUS WIND CHILLS NEAR 35 BELOW ZERO EARLY THIS MORNING...WILL
IMPROVE BY LATE MORNING AS WINDS DECREASE AND TEMPERATURES RISE.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

IAZ001>003-012>014-021-022-032-MNZ071-072-080-081-089-090-097-098-
SDZ040-056-062-067-201800-
/O.CON.KFSD.WC.W.0003.000000T0000Z-080220T1800Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-
LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BROOKINGS-
MOODY-MINNEHAHA-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...CHEROKEE...STORM LAKE...IDA GROVE...HOLSTEIN...
BATTLE CREEK...TYLER...HENDRICKS...LAKE BENTON...IVANHOE...
MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...LUVERNE...
BROOKINGS...FLANDREAU...SIOUX FALLS...CANTON...LENNOX...TEA...
HARRISBURG
411 AM CST WED FEB 20 2008

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

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

DANGEROUS WIND CHILLS OF 35 BELOW TO 45 BELOW ZERO...WILL IMPROVE
BY LATE MORNING AS WINDS DECREASE AND TEMPERATURES RISE.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

SDZ068-069-201800-
/O.EXT.KFSD.WC.Y.0011.000000T0000Z-080220T1800Z/
BON HOMME-YANKTON-
INCLUDING THE CITIES OF...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON
411 AM CST WED FEB 20 2008

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

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

WIND CHILLS NEAR 30 BELOW ZERO EARLY THIS MORNING...WILL IMPROVE
BY LATE MORNING AS WINDS DECREASE AND TEMPERATURES 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.

$$

SDZ052-053-058>060-201500-
/O.EXT.KFSD.WC.Y.0011.000000T0000Z-080220T1500Z/
JERAULD-SANBORN-AURORA-DAVISON-HANSON-
INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY
411 AM CST WED FEB 20 2008

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS
MORNING...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 9 AM CST THIS
MORNING. 

WIND CHILLS AROUND 30 BELOW ZERO EARLY THIS MORNING...WILL
IMPROVE BY LATE MORNING AS WINDS DECREASE AND TEMPERATURES 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.

$$

SDZ065-066-201800-
/O.CON.KFSD.WC.Y.0011.000000T0000Z-080220T1800Z/
HUTCHINSON-TURNER-
INCLUDING THE CITIES OF...PARKSTON...FREEMAN...MENNO...TRIPP...
PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR
411 AM CST WED FEB 20 2008

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

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

WIND CHILLS NEAR 30 BELOW ZERO EARLY THIS MORNING...WILL IMPROVE
BY LATE MORNING AS WINDS DECREASE AND TEMPERATURES 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.

$$

SDZ050-057-063-064-201500-
/O.CON.KFSD.WC.Y.0011.000000T0000Z-080220T1500Z/
GREGORY-BRULE-CHARLES MIX-DOUGLAS-
INCLUDING THE CITIES OF...GREGORY...BURKE...CHAMBERLAIN...
KIMBALL...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...
CORSICA...DELMONT
411 AM CST WED FEB 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING. 

WIND CHILLS AROUND 25 BELOW ZERO EARLY THIS MORNING...WILL
IMPROVE BY LATE MORNING AS WINDS DECREASE AND TEMPERATURES 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.

$$
RSR
000 
WWUS43 KFSD 201659
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1059 AM CST WED FEB 20 2008

.ARCTIC HIGH PRESSURE WILL MOVE SOUTHEAST OVER THE AREA THIS
MORNING...BRINGING THE COLDEST AIR SO FAR THIS WINTER SEASON.
NORTHERLY WINDS WILL STILL CAUSE DANGEROUS WIND CHILLS THIS
MORNING.

SDZ065-066-068-069-201800-
/O.CAN.KFSD.WC.Y.0011.000000T0000Z-080220T1800Z/
HUTCHINSON-TURNER-BON HOMME-YANKTON-
INCLUDING THE CITIES OF...PARKSTON...FREEMAN...MENNO...TRIPP...
PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON
1059 AM CST WED FEB 20 2008

...WIND CHILL ADVISORY IS CANCELLED...

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

WINDS HAVE BECOME NEARLY CALM OVER THE AREA...SO WIND CHILL IS NO
LONGER A THREAT.

$$

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ040-056-062-067-070-071-201800-
/O.CON.KFSD.WC.W.0003.000000T0000Z-080220T1800Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-ROCK-DIXON-DAKOTA-BROOKINGS-MOODY-MINNEHAHA-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...TYLER...HENDRICKS...
LAKE BENTON...IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
BROOKINGS...FLANDREAU...SIOUX FALLS...CANTON...LENNOX...TEA...
HARRISBURG...VERMILLION...NORTH SIOUX CITY...BERESFORD...
ELK POINT...ALCESTER...JEFFERSON
1059 AM CST WED FEB 20 2008

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

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

DANGEROUS WIND CHILLS OF 35 BELOW TO 45 BELOW ZERO...WILL CONTINUE
TO IMPROVE THROUGH LATE MORNING AS WINDS DECREASE AND TEMPERATURES
RISE.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$
000 
WWUS43 KFSD 201807
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1207 PM CST WED FEB 20 2008


IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ040-056-062-067-070-071-201915-
/O.EXP.KFSD.WC.W.0003.000000T0000Z-080220T1800Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-ROCK-DIXON-DAKOTA-BROOKINGS-MOODY-MINNEHAHA-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...TYLER...HENDRICKS...
LAKE BENTON...IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
BROOKINGS...FLANDREAU...SIOUX FALLS...CANTON...LENNOX...TEA...
HARRISBURG...VERMILLION...NORTH SIOUX CITY...BERESFORD...
ELK POINT...ALCESTER...JEFFERSON
1207 PM CST WED FEB 20 2008

...WIND CHILL WARNING HAS EXPIRED...

THE WIND CHILL WARNING IS NO LONGER IN EFFECT. 

WITH DAYTIME WARMING...WIND CHILL VALUES HAVE CLIMBED ABOVE 20
BELOW ZERO ACROSS THE AREA.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 18, 6:37 PM CSTWind Chill AdvisoryFSDBuena Vista, Clay, Dickinson, Lyon, O'Brien, Osceola5 hr
Feb 19, 4:00 AM CSTWind Chill AdvisoryFSDBuena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more31 hr

Nearby

Wind Chill Warnings in Iowa, 2008Wind Chill Warnings in South Dakota, 2008Wind Chill Warnings in Minnesota, 2008Every wind chill warning in 2008

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.