Alert archive / South Dakota / Wind Chill Advisories in 2008

Wind Chill Advisory 3, NWS Sioux Falls, SD

January 17, 20084 states

NWS Sioux Falls, SD issued this wind chill advisory at Jan 17, 2008, 10:39 AM CST for 4 states. It took effect at Jan 18, 2008, 3:24 AM CST. It was in force for 35 hr.

The area

The counties it named.

The facts

Issued
Jan 17, 2008, 10:39 AM CST (16:39 UTC)
In effect from
Jan 18, 2008, 3:24 AM CST
Expired
Jan 19, 2008, 2:33 PM CST
In force
35 hr
Issued by
NWS Sioux Falls, SD
All 44 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, Aurora County, SD, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Brule County, SD, Charles Mix County, SD, Clay County, SD, Davison County, SD, Douglas County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 13 km from the middle of the area, began a volume at 16:37 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, 4.7 hours before the alert went out and 205 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 2008-01-17Temperature 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 12:00Z on 2008-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.1939Sfc1 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
1478 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
73 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 171639
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1039 AM CST THU JAN 17 2008

.A STRONG ARCTIC FRONT WILL MOVE THROUGH THE AREA ON FRIDAY
MORNING. BEHIND THE FRONT...NORTHWEST WINDS WILL INCREASE TO 15 TO
25 MPH. THIS COMBINED WITH FALLING TEMPERATURES WILL RESULT IN
WIND CHILLS OF 20 TO 35 DEGREES BELOW ZERO. 

IAZ002-003-MNZ071-072-080-081-089-090-097-180045-
/O.NEW.KFSD.WC.Y.0003.080118T1200Z-080119T1800Z/
OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-
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
1039 AM CST THU JAN 17 2008

...WIND CHILL ADVISORY IN EFFECT FROM 6 AM FRIDAY TO 12 PM CST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 6 AM FRIDAY TO 12 PM CST
SATURDAY. 

STRONG NORTHWEST WINDS OF 15 TO 25 MPH WITH HIGHER GUSTS WILL REDUCE
WIND CHILLS TO 20 TO 30 BELOW ZERO ON FRIDAY. WIND CHILLS WILL
CONTINUE TO FALL FRIDAY NIGHT INTO SATURDAY MORNING...APPROACHING
35 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.

$$

IAZ001-012>014-MNZ098-SDZ038>040-053>056-059>062-180045-
/O.NEW.KFSD.WC.Y.0003.080118T1800Z-080119T1200Z/
LYON-SIOUX-OBRIEN-CLAY-ROCK-BEADLE-KINGSBURY-BROOKINGS-SANBORN-
MINER-LAKE-MOODY-DAVISON-HANSON-MCCOOK-MINNEHAHA-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...SPENCER...LUVERNE...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...WOONSOCKET...HOWARD...MADISON...
FLANDREAU...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS
1039 AM CST THU JAN 17 2008

...WIND CHILL ADVISORY IN EFFECT FROM 12 PM FRIDAY TO 6 AM CST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 12 PM FRIDAY TO 6 AM CST
SATURDAY. 

NORTHWEST WINDS OF 15 TO 25 MPH WILL USHER ARCTIC AIR INTO THE
REGION ON FRIDAY INTO FRIDAY NIGHT. WIND CHILL VALUES ARE EXPECTED
TO FALL TO 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
9 follow-up statements
000 
WWUS43 KFSD 172150
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
350 PM CST THU JAN 17 2008

.A STRONG ARCTIC FRONT WILL MOVE ACROSS THE AREA FROM THE
NORTHWEST LATE TONIGHT. BEHIND THE FRONT...NORTHWEST WINDS WILL
INCREASE TO 15 TO 30 MPH BY FRIDAY MORNING. THIS COMBINED WITH FALLING
TEMPERATURES WILL RESULT IN WIND CHILLS OF 20 TO 35 DEGREES BELOW
ZERO. THESE DANGEROUS WIND CHILLS WILL CONTINUE FRIDAY NIGHT INTO
SATURDAY MORNING AS TEMPERATURES CONTINUE TO FALL...EVEN THOUGH
WINDS WILL SLOWLY DECREASE.

IAZ002-003-MNZ071-072-080-081-089-090-097-180600-
/O.CON.KFSD.WC.Y.0003.080118T1200Z-080119T1800Z/
OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-
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
350 PM CST THU JAN 17 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 AM FRIDAY TO
12 PM CST SATURDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 AM FRIDAY TO 12 PM
CST SATURDAY. 

STRONG NORTHWEST WINDS OF 15 TO 30 MPH WITH HIGHER GUSTS WILL
REDUCE WIND CHILLS TO 20 TO 35 BELOW ZERO ON FRIDAY. THESE
DANGEROUS WIND CHILLS WILL CONTINUE FRIDAY NIGHT INTO SATURDAY
MORNING AS TEMPERATURES CONTINUE TO FALL...EVEN THOUGH WINDS
SHOULD SLOWLY DECREASE.

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>014-MNZ098-SDZ038>040-053>056-059>062-180600-
/O.CON.KFSD.WC.Y.0003.080118T1800Z-080119T1200Z/
LYON-SIOUX-OBRIEN-CLAY-ROCK-BEADLE-KINGSBURY-BROOKINGS-SANBORN-
MINER-LAKE-MOODY-DAVISON-HANSON-MCCOOK-MINNEHAHA-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...SPENCER...LUVERNE...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...WOONSOCKET...HOWARD...MADISON...
FLANDREAU...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS
350 PM CST THU JAN 17 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 12 PM FRIDAY TO
6 AM CST SATURDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 12 PM FRIDAY TO 6 AM
CST SATURDAY. 

NORTHWEST WINDS OF 15 TO 30 MPH WILL USHER ARCTIC AIR INTO THE
REGION FRIDAY. WIND CHILL VALUES ARE EXPECTED TO FALL TO 20 TO 30
DEGREES BELOW ZERO. THESE DANGEROUS WIND CHILLS WILL CONTINUE
FRIDAY NIGHT AS TEMPERATURES CONTINUE TO FALL...EVEN THOUGH WINDS
SHOULD SLOWLY DECREASE.

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 180310
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
910 PM CST THU JAN 17 2008

.A STRONG ARCTIC FRONT JUST NORTH OF THE AREA EARLY THIS THURSDAY
NIGHT WILL MOVE ACROSS THE AREA FROM THE NORTHWEST DURING THE REST
OF THE NIGHT. BEHIND THE FRONT...NORTH OR NORTHWEST WINDS WILL
INCREASE TO 15 TO 30 MPH BY FRIDAY MORNING. THIS COMBINED WITH
FALLING TEMPERATURES WILL RESULT IN WIND CHILLS OF 20 TO 35
DEGREES BELOW ZERO. THESE DANGEROUS WIND CHILLS WILL CONTINUE
FRIDAY NIGHT INTO SATURDAY MORNING AS TEMPERATURES CONTINUE TO
FALL...EVEN THOUGH WINDS WILL SLOWLY DECREASE.

IAZ002-003-MNZ071-072-080-081-089-090-097-181115-
/O.CON.KFSD.WC.Y.0003.080118T1200Z-080119T1800Z/
OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-
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
910 PM CST THU JAN 17 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 AM FRIDAY TO
12 PM CST SATURDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 AM FRIDAY TO 12 PM
CST SATURDAY. 

STRONG NORTHWEST WINDS OF 15 TO 30 MPH WITH HIGHER GUSTS WILL
REDUCE WIND CHILLS TO 20 TO 35 BELOW ZERO ON FRIDAY. THESE
DANGEROUS WIND CHILLS WILL CONTINUE FRIDAY NIGHT INTO SATURDAY
MORNING AS TEMPERATURES CONTINUE TO FALL...EVEN THOUGH WINDS
SHOULD SLOWLY DECREASE.

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>014-MNZ098-SDZ038>040-053>056-059>062-181115-
/O.CON.KFSD.WC.Y.0003.080118T1800Z-080119T1200Z/
LYON-SIOUX-OBRIEN-CLAY-ROCK-BEADLE-KINGSBURY-BROOKINGS-SANBORN-
MINER-LAKE-MOODY-DAVISON-HANSON-MCCOOK-MINNEHAHA-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...SPENCER...LUVERNE...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...WOONSOCKET...HOWARD...MADISON...
FLANDREAU...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS
910 PM CST THU JAN 17 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 12 PM FRIDAY TO
6 AM CST SATURDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 12 PM FRIDAY TO 6 AM
CST SATURDAY. 

NORTHWEST WINDS OF 15 TO 30 MPH WILL USHER ARCTIC AIR INTO THE
REGION FRIDAY. WIND CHILL VALUES ARE EXPECTED TO FALL TO 20 TO
30 DEGREES BELOW ZERO BY NOON. THESE DANGEROUS WIND CHILLS WILL
CONTINUE FRIDAY NIGHT AS TEMPERATURES CONTINUE TO FALL...EVEN
THOUGH WINDS SHOULD SLOWLY DECREASE.

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 180924
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
324 AM CST FRI JAN 18 2008

.A STRONG ARCTIC COLD FRONT WILL CONTINUE TO MOVE ACROSS THE
REGION TODAY. WITH THE PASSAGE OF THE FRONT...NORTHWESTERLY WINDS
WILL INCREASE TO 20 TO 30 MPH THROUGH THE EARLY MORNING HOURS.
THIS IN COMBINATION WITH FALLING TEMPERATURES THROUGHOUT THE
DAY...WILL PRODUCE WIND CHILLS OF 20 TO 35 DEGREES BELOW ZERO
ACROSS THE AREA.

IAZ020>022-031-032-NEZ013-014-SDZ065>067-069>071-181730-
/O.EXB.KFSD.WC.Y.0003.080119T0400Z-080119T1500Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-
HUTCHINSON-TURNER-LINCOLN-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...PARKSTON...FREEMAN...MENNO...
TRIPP...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...YANKTON...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
324 AM CST FRI JAN 18 2008

...WIND CHILL ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 9 AM
CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO
9 AM CST SATURDAY. 

NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH THROUGH THE MORNING
HOURS. AS TEMPERATURES FALL TODAY AND TONIGHT...WIND CHILLS WILL
BE REDUCED TO 20 TO 30 DEGREES BELOW ZERO BY LATER THIS EVENING.
DANGEROUS WIND CHILLS WILL CONTINUE INTO SATURDAY MORNING BEFORE
DROPPING OFF AS WINDS DECREASE AND TEMPERATURES WARM SLIGHTLY.

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

$$

IAZ002-003-MNZ071-072-080-081-089-090-097-SDZ040-181730-
/O.EXT.KFSD.WC.Y.0003.080118T1400Z-080119T1800Z/
OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-BROOKINGS-
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...BROOKINGS
324 AM CST FRI JAN 18 2008

...WIND CHILL ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO
12 PM CST SATURDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM 8 AM THIS MORNING
TO 12 PM CST SATURDAY. 

NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH THROUGH THE MORNING
HOURS. WITH TEMPERATURES FALLING TODAY AND TONIGHT...WIND CHILLS
WILL BE REDUCED TO 20 TO 30 DEGREES BELOW ZERO. DANGEROUS WIND
CHILLS WILL CONTINUE INTO MID DAY SATURDAY BEFORE DROPPING OFF AS
WINDS DECREASE AND TEMPERATURES WARM SLIGHTLY.

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

$$

IAZ001-012>014-MNZ098-SDZ038-039-053>056-059>062-181730-
/O.EXT.KFSD.WC.Y.0003.080118T1800Z-080119T1500Z/
LYON-SIOUX-OBRIEN-CLAY-ROCK-BEADLE-KINGSBURY-SANBORN-MINER-LAKE-
MOODY-DAVISON-HANSON-MCCOOK-MINNEHAHA-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...SPENCER...LUVERNE...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...WOONSOCKET...HOWARD...MADISON...FLANDREAU...
MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS
324 AM CST FRI JAN 18 2008

...WIND CHILL ADVISORY NOW IN EFFECT FROM NOON TODAY TO 9 AM CST
SATURDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM NOON TODAY TO 9 AM
CST SATURDAY. 

NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH THROUGH THE MORNING
HOURS. WITH TEMPERATURES FALLING TODAY AND TONIGHT...WIND CHILLS
WILL BE REDUCED TO 20 TO 30 DEGREES BELOW ZERO. DANGEROUS WIND
CHILLS WILL CONTINUE INTO SATURDAY MORNING BEFORE DROPPING OFF AS
WINDS DECREASE AND TEMPERATURES WARM SLIGHTLY.

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

$$

JM
000 
WWUS43 KFSD 181706
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1106 AM CST FRI JAN 18 2008

.GUSTY NORTHWEST WINDS BEHIND A DEPARTING COLD FRONT WILL AVERAGE
20 TO 30 MPH TODAY...DIMINISHING TO 10 TO 15 MPH TONIGHT. THIS IN
COMBINATION WITH SINGLE DIGIT TEMPERATURES TODAY...AND READINGS
FALLING INTO THE SINGLE DIGITS AND TEENS BELOW ZERO TONIGHT...WILL
PRODUCE WIND CHILLS OF 20 TO 35 DEGREES BELOW ZERO ACROSS THE AREA.

IAZ002-003-MNZ071-072-080-081-089-090-097-SDZ040-190115-
/O.CON.KFSD.WC.Y.0003.000000T0000Z-080119T1800Z/
OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-BROOKINGS-
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...BROOKINGS
1106 AM CST FRI JAN 18 2008

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

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

BREEZY NORTHWEST WINDS AND COLD ARCTIC AIR WILL COMBINE TO PRODUCE
WIND CHILLS OF 20 TO 30 BELOW ZERO THROUGH MIDDAY SATURDAY. WINDS
WILL DIMINISH TONIGHT...HOWEVER WITH ACTUAL TEMPERATURES FALLING 
INTO THE TEENS...WIND CHILL VALUES WILL APPROACH 35 BELOW ZERO FOR 
A FEW HOURS PRIOR TO SUNRISE SATURDAY MORNING.

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>014-MNZ098-SDZ038-039-053>056-059>062-190115-
/O.CON.KFSD.WC.Y.0003.080118T1800Z-080119T1500Z/
LYON-SIOUX-OBRIEN-CLAY-ROCK-BEADLE-KINGSBURY-SANBORN-MINER-LAKE-
MOODY-DAVISON-HANSON-MCCOOK-MINNEHAHA-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...SPENCER...LUVERNE...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...WOONSOCKET...HOWARD...MADISON...FLANDREAU...
MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS
1106 AM CST FRI JAN 18 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
SATURDAY...

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

BREEZY NORTHWEST WINDS AND COLD ARCTIC AIR WILL COMBINE TO PRODUCE
WIND CHILLS OF 20 TO 30 BELOW ZERO INTO SATURDAY MORNING. WINDS WILL
DIMINISH OVERNIGHT...HOWEVER DANGEROUS WIND CHILLS WILL PERSIST AS
ACTUAL TEMPERATURES 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.

$$

IAZ020>022-031-032-NEZ013-014-SDZ065>067-069>071-190115-
/O.CON.KFSD.WC.Y.0003.080119T0400Z-080119T1500Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-
HUTCHINSON-TURNER-LINCOLN-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...PARKSTON...FREEMAN...MENNO...
TRIPP...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...YANKTON...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
1106 AM CST FRI JAN 18 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 9 AM CST SATURDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 9 AM CST SATURDAY. 

BREEZY NORTHWEST WINDS TODAY WILL DIMINISH TO 10 TO 15 MPH OVERNIGHT.
THESE WINDS COMBINED WITH ACTUAL TEMPERATURES FALLING INTO THE SINGLE
DIGITS BELOW ZERO...WILL PRODUCE DANGEROUS WIND CHILL VALUES OF 20 TO
30 BELOW ZERO FROM LATE THIS EVENING INTO SATURDAY MORNING.

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 182059
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
259 PM CST FRI JAN 18 2008

.ARCTIC HIGH PRESSURE SLIDING INTO THE WESTERN DAKOTAS WILL
PRODUCE BITTERLY COLD WIND CHILLS ACROSS THE REGION TONIGHT INTO
SATURDAY. WIND CHILL VALUES ARE EXPECTED TO DROP TO BETWEEN 15
BELOW AND 35 BELOW ZERO TONIGHT INTO SATURDAY...AND WILL
OCCASIONALLY DROP TO NEAR 40 BELOW OVER SOUTHWEST MINNESOTA LATE
TONIGHT AND EARLY SATURDAY MORNING. 

IAZ002-003-MNZ071-072-080-081-089-090-097-SDZ040-190500-
/O.NEW.KFSD.WC.W.0001.080119T0800Z-080119T1500Z/
/O.EXT.KFSD.WC.Y.0003.000000T0000Z-080119T0800Z/
/O.EXT.KFSD.WC.Y.0003.000000T0000Z-080119T2200Z/
OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-BROOKINGS-
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...BROOKINGS
259 PM CST FRI JAN 18 2008

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 2 AM CST SATURDAY...
...WIND CHILL WARNING IN EFFECT FROM 2 AM TO 9 AM CST SATURDAY...
...WIND CHILL ADVISORY NOW IN EFFECT FROM 9 AM TO 4 PM CST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT FROM 2 AM TO 9 AM CST
SATURDAY. THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 2 AM CST
SATURDAY. THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM 9 AM TO
4 PM CST SATURDAY. 

NORTHWEST WINDS AND COLD ARCTIC AIR WILL COMBINE TO PRODUCE WIND
CHILLS OF 25 TO 35 BELOW ZERO THROUGH SATURDAY AFTERNOON...AND WILL
OCCASIONALLY DROP TO NEAR 40 BELOW LATE TONIGHT INTO EARLY
SATURDAY 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.

$$

SDZ052-057-058-063-064-068-190500-
/O.EXA.KFSD.WC.Y.0003.080119T0400Z-080119T1500Z/
JERAULD-BRULE-AURORA-CHARLES MIX-DOUGLAS-BON HOMME-
INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA...
CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...
WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...
DELMONT...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR
259 PM CST FRI JAN 18 2008

...WIND CHILL ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 9 AM
CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO
9 AM CST SATURDAY. 

NORTHWEST WINDS OF 10 TO 15 MPH COMBINED WITH ARCTIC AIR...WILL
PRODUCE BITTERLY COLD WIND CHILLS OF 15 BELOW TO 25 BELOW TONIGHT
INTO EARLY SATURDAY MORNING.

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>014-MNZ098-SDZ038-039-053>056-059>062-190500-
/O.EXT.KFSD.WC.Y.0003.000000T0000Z-080119T1500Z/
LYON-SIOUX-OBRIEN-CLAY-ROCK-BEADLE-KINGSBURY-SANBORN-MINER-LAKE-
MOODY-DAVISON-HANSON-MCCOOK-MINNEHAHA-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...SPENCER...LUVERNE...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...WOONSOCKET...HOWARD...MADISON...FLANDREAU...
MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS
259 PM CST FRI JAN 18 2008

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 9 AM CST SATURDAY...

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

NORTHWEST WINDS AND COLD ARCTIC AIR WILL COMBINE TO PRODUCE WIND
CHILLS OF 20 TO 30 BELOW ZERO INTO SATURDAY MORNING. 

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-SDZ065>067-069>071-190500-
/O.CON.KFSD.WC.Y.0003.080119T0400Z-080119T1500Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-
HUTCHINSON-TURNER-LINCOLN-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...PARKSTON...FREEMAN...MENNO...
TRIPP...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...YANKTON...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
259 PM CST FRI JAN 18 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 9 AM CST SATURDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 9 AM CST SATURDAY. 

NORTHWEST WINDS AND COLD ARCTIC AIR WILL COMBINE TO PRODUCE WIND
CHILLS OF 20 TO 30 BELOW ZERO INTO SATURDAY MORNING. 

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 190322
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
922 PM CST FRI JAN 18 2008

.ARCTIC HIGH PRESSURE CONTINUING TO SLIDE INTO THE WESTERN DAKOTAS
EARLY THIS FRIDAY NIGHT WILL PRODUCE MOSTLY CLEAR SKIES AND VERY COLD
TEMPERATURES TONIGHT INTO SATURDAY. WITH A NORTHWEST BREEZE
CONTINUING...WIND CHILL VALUES ARE OF 20 TO 35 BELOW ZERO ARE
EXPECTED. OCCASIONAL WIND CHILLS AS COLD AS 40 BELOW ARE POSSIBLE
IN SOUTHWEST MINNESOTA LATE TONIGHT AND EARLY SATURDAY
MORNING...AS TEMPERATURES REACH THEIR COLDEST POINT WITH A BREEZE
CONTINUING.

IAZ002-003-MNZ071-072-080-081-089-090-097-SDZ040-191130-
/O.EXT.KFSD.WC.Y.0003.000000T0000Z-080119T0800Z/
/O.EXT.KFSD.WC.Y.0003.000000T0000Z-080119T2200Z/
/O.CON.KFSD.WC.W.0001.080119T0800Z-080119T1500Z/
OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-BROOKINGS-
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...BROOKINGS
922 PM CST FRI JAN 18 2008

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 2 AM CST SATURDAY...
...WIND CHILL WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM CST
SATURDAY...
...WIND CHILL ADVISORY NOW IN EFFECT FROM 9 AM TO 4 PM CST
SATURDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 2 AM CST SATURDAY.
THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM 9 AM TO 4 PM CST
SATURDAY. A WIND CHILL WARNING REMAINS IN EFFECT FROM 2 AM TO
9 AM CST SATURDAY. 

NORTHWEST WINDS AND COLD ARCTIC AIR WILL COMBINE TO PRODUCE WIND
CHILLS OF 25 TO 35 BELOW ZERO THROUGH SATURDAY AFTERNOON...AND
WILL OCCASIONALLY DROP TO NEAR 40 BELOW LATE TONIGHT INTO EARLY
SATURDAY MORNING. THE WINDS...WHILE NO LONGER REAL STRONG...WILL
STILL BE STRONG ENOUGH WITH THE FALLING TEMPERATURES TO MAKE BEING
OUTDOORS VERY DANGEROUS.

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-MNZ098-SDZ038-039-053>056-059>062-191130-
/O.CON.KFSD.WC.Y.0003.000000T0000Z-080119T1500Z/
LYON-SIOUX-OBRIEN-CLAY-ROCK-BEADLE-KINGSBURY-SANBORN-MINER-LAKE-
MOODY-DAVISON-HANSON-MCCOOK-MINNEHAHA-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...SPENCER...LUVERNE...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...WOONSOCKET...HOWARD...MADISON...FLANDREAU...
MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...
MONTROSE...SIOUX FALLS
922 PM CST FRI JAN 18 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
SATURDAY...

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

NORTHWEST WINDS AND COLD ARCTIC AIR WILL COMBINE TO PRODUCE WIND
CHILLS OF 20 TO 30 BELOW ZERO INTO SATURDAY MORNING. THE
WINDS...WHILE NO LONGER REAL STRONG...WILL STILL BE STRONG ENOUGH
WITH THE FALLING TEMPERATURES TO MAKE BEING OUTDOORS DANGEROUS.

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-SDZ052-057-058-063>071-191130-
/O.CON.KFSD.WC.Y.0003.080119T0400Z-080119T1500Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-JERAULD-
BRULE-AURORA-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN-
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...WESSINGTON SPRINGS...ALPENA...
CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...
WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...
DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
922 PM CST FRI JAN 18 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
SATURDAY...

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

NORTHWEST WINDS AND COLD ARCTIC AIR WILL COMBINE TO PRODUCE WIND
CHILLS OF 20 TO 30 BELOW ZERO INTO SATURDAY MORNING. THE
WINDS...WHILE NO LONGER REAL STRONG...WILL STILL BE STRONG ENOUGH
WITH THE FALLING TEMPERATURES TO MAKE BEING OUTDOORS DANGEROUS.

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 190940
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
340 AM CST SAT JAN 19 2008

.WINDS WILL BE LESS TODAY THAN THEY WERE ON FRIDAY...BUT VERY COLD
AIR WILL STILL BE IN PLACE.

IAZ002-003-MNZ071-072-080-081-089-090-097-SDZ040-191745-
/O.CAN.KFSD.WC.W.0001.000000T0000Z-080119T1500Z/
/O.EXT.KFSD.WC.Y.0003.000000T0000Z-080119T2200Z/
OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-BROOKINGS-
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...BROOKINGS
340 AM CST SAT JAN 19 2008

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...
...WIND CHILL WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WIND CHILL WARNING. THE WIND CHILL ADVISORY IS NOW IN EFFECT
UNTIL 4 PM CST THIS AFTERNOON. 

WIND SPEEDS WILL GENERALLY RANGE FROM ABOUT 10 TO 15 MPH
TODAY...WITH SOME SPEEDS A BIT HIGHER POSSIBLE IN SOUTHWEST
MINNESOTA. WIND CHILL VALUES WILL AVERAGE 20 BELOW TO 35 DEGREES
BELOW ZERO THROUGH NOON...MODERATING TO ABOUT 15 BELOW BY MID
AFTERNOON WHEN THE WIND CHILL ADVISORY ENDS.

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>014-020>022-031-032-MNZ098-NEZ013-014-SDZ038-039-
052>071-191045-
/O.CAN.KFSD.WC.Y.0003.000000T0000Z-080119T1500Z/
LYON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-
ROCK-DIXON-DAKOTA-BEADLE-KINGSBURY-JERAULD-SANBORN-MINER-LAKE-
MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-MINNEHAHA-CHARLES MIX-
DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-YANKTON-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...SPENCER...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...LUVERNE...
WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...HURON...DE SMET...
ARLINGTON...LAKE PRESTON...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...HOWARD...MADISON...FLANDREAU...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...
CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
340 AM CST SAT JAN 19 2008

...WIND CHILL ADVISORY IS CANCELLED...

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

WINDS WILL GENERALLY BE AT OR BELOW 10 MPH THIS MORNING. WHAT WIND
THERE IS COULD STILL PRODUCE WIND CHILL VALUES FROM AROUND 15
BELOW TO 25 DEGREES BELOW ZERO EARLY TODAY. BUT THESE VALUES ARE
NEGLIGIBLE COMPARED TO THE ACTUAL AIR TEMPERATURE.

$$
000 
WWUS43 KFSD 191642
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1042 AM CST SAT JAN 19 2008

.WINDS WILL BE LESS TODAY THAN THEY WERE ON FRIDAY...BUT VERY
COLD AIR WILL STILL BE IN PLACE.

IAZ002-003-MNZ071-072-080-081-089-090-097-SDZ040-192200-
/O.CON.KFSD.WC.Y.0003.000000T0000Z-080119T2200Z/
OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-BROOKINGS-
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...BROOKINGS
1042 AM CST SAT JAN 19 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON. 

WEST WINDS OF 10 TO 15 MPH WILL COMBINE WITH SUB ZERO TEMPERATURES 
TO PRODUCE WIND CHILL VALUES FROM 20 TO 30 BELOW ZERO THROUGH NOON.
WIND CHILL READINGS WILL IMPROVE TO AROUND 15 BELOW ZERO BY MID
AFTERNOON...AS ACTUAL AIR TEMPERATURES CLIMB JUST SLIGHTLY ABOVE
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.

$$
 JH
000 
WWUS43 KFSD 192033
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
233 PM CST SAT JAN 19 2008

IAZ002-003-MNZ071-072-080-081-089-090-097-SDZ040-192145-
/O.CAN.KFSD.WC.Y.0003.000000T0000Z-080119T2200Z/
OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-BROOKINGS-
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...BROOKINGS
233 PM CST SAT JAN 19 2008

...WIND CHILL ADVISORY IS CANCELLED...

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

WITH AIR TEMPERATURES ABOVE ZERO IN MOST AREAS AS OF 230 PM CST...
WIDESPREAD WIND CHILL VALUES COLDER THAN 20 BELOW ZERO ARE NO LONGER
EXPECTED. THEREFORE THE WIND CHILL ADVISORY HAS BEEN CANCELLED.

$$
 JH

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 17, 3:40 AM CST, 6 hours 59 minutes earlier.

Area forecast discussion, Jan 17, 3:40 AM CST, 6 hours 59 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
340 AM CST FRI JAN 17 2008

.DISCUSSION...
COLD AIR MOVG IN A LIT SLOWER THAN PREV FCST AS TEMPS STILL ARND
20 IN SERN SD ATTM. BUT ARCTIC AIR STEADILY MOVG SOUTH AND WHAT THE
TEMP IS AT 7 AM THAT WILL DETERMINE DAYTIME HIGHS...AS IT WILL KEEP
FALLING TDA THRU TNGT. AREA OF VERY LGT SNW PRECEDING COLD AIR
ALREADY MOVG OFF TO SE THIS MRNG. MODELS HAVE TYPICAL UNDER/
ESTIMATION OF LOW LVL ARCTIC AIR AND GUID HAS WARM BIAS THRU SAT
MRNG. ON TOP OF THAT...FCST SFC GRADIENT AND WINDS TOO WEAK WITH
THESE ARCTIC PLUNGES...AND SHOULD MIX OUT FAIRLY WELL THRU TNGT WITH
STG NWLY FLOW UP THRU 850 MB. THUS WINDS WILL BE ABV 10 MPH IN MOST
AREAS THRU TNGT AND WILL EXPAND WIND CHILL ADVY SWD TO YKN SUX AND
SLB AREAS FM LATER THIS EVE THRU MID MRNG SAT...EVEN THOUGH THESE
AREAS WILL BE MORE MARGINAL THAN THE OBVIOUS AREA VCNTY OF SW MN
WHERE WILL HAVE TO WATCH FOR WIND CHILL WARNING CRITERIA TNGT.
OTRW...MINOR FINE TUNING OF TEMPS AND POPS FM PREV FCST. DELAYED
CHCS OF SNOW SOME INTO CWA FOR SAT NGT...AND STILL LOOKS LIKE BEST
SNOW WILL BE SOUTH OF I90 FOR SUN INTO MON. CUT OUT POPS FOR FAR N
AND NERN CWA WHERE VERY COLD DRY AIR WILL DOMINATE.

&&

.AVIATION...

A STRONG COLD FRONT WILL CONTINUE TO SWEEP ACROSS THE AREA THIS
MORNING. WHILE SNOW HAS ENDED AT KHON...THE FRONT WILL PRODUCE LIGHT
SNOW AND FLURRIES AROUND KFSD THROUGH 14Z...AND AROUND KSUX THROUGH
16Z. LOCALIZED MVFR CEILINGS AND VISIBILITIES WILL BE FOUND AT THESE
TAF SITES WITH HEAVIER AREAS OF SNOW. BY 16Z...MOST AREAS WILL HAVE
VFR CONDITIONS THROUGH THE REMAINDER OF THE DAY. NORTHWESTERLY WINDS
WILL PICK UP BEHIND THE FRONT...WITH SUSTAINED SURFACE WINDS OF 15
TO 25 KTS AT TIMES INTO THIS EVENING.

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
IA...WIND CHILL ADVISORY FROM 10 PM THIS EVENING TO 9 AM CST SATURDAY
     FOR IAZ020>022-031-032.

     WIND CHILL ADVISORY FROM 8 AM THIS MORNING TO 12 PM CST SATURDAY
     FOR IAZ002-003.

     WIND CHILL ADVISORY FROM NOON TODAY TO 9 AM CST SATURDAY FOR
     IAZ001-012>014.

MN...WIND CHILL ADVISORY FROM 8 AM THIS MORNING TO 12 PM CST SATURDAY
     FOR MNZ071-072-080-081-089-090-097.

     WIND CHILL ADVISORY FROM NOON TODAY TO 9 AM CST SATURDAY FOR
     MNZ098.

NE...WIND CHILL ADVISORY FROM 10 PM THIS EVENING TO 9 AM CST SATURDAY
     FOR NEZ013-014.

SD...WIND CHILL ADVISORY FROM 10 PM THIS EVENING TO 9 AM CST SATURDAY
     FOR SDZ065>067-069>071.

     WIND CHILL ADVISORY FROM 8 AM THIS MORNING TO 12 PM CST SATURDAY
     FOR SDZ040.

     WIND CHILL ADVISORY FROM NOON TODAY TO 9 AM CST SATURDAY FOR
     SDZ038-039-053>056-059>062.

&&

RSR/JM
Hazardous weather outlook, Jan 17, 5:23 AM CST, 5 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
0523 AM CST THU JAN 17 2008

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-181200-
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-
0523 AM CST THU JAN 17 2008

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

.DAY ONE...TODAY AND TONIGHT

WINTER WEATHER...
LIGHT SNOW WILL END IN NORTHWEST IOWA THIS MORNING...WITH LESS
THAN AN INCH OF NEW SNOW...MAKING A TOTAL SNOWFALL OF GENERALLY 1
TO 3 INCHES ALONG AND SOUTHEAST OF A LINE FROM SIOUX CITY TO
SPENCER IOWA.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A STRONG ARCTIC COLD FRONT WILL PLUNGE SOUTHWARD OVER THE AREA
EARLY FRIDAY...FOLLOWED BY A STRONG NORTHWEST FLOW OF BITTERLY
COLD AIR. WINDS SHOULD INCREASE TO 20 TO 35 MPH WITH GRADUALLY
FALLING TEMPERATURES FRIDAY. WINDS WILL DECREASE TO 10 TO 20 MPH
FRIDAY NIGHT...BUT TEMPERATURES WILL KEEP DROPPING TO WELL BELOW
ZERO. THIS WILL CAUSE WIND CHILLS TO RANGE FROM AROUND 30 BELOW
ZERO IN EAST CENTRAL SOUTH DAKOTA AND SOUTHWEST MINNESOTA...TO
NEAR 20 BELOW ZERO NEAR THE MISSOURI RIVER LATE FRIDAY INTO
SATURDAY MORNING.

THERE IS A CHANCE FOR LIGHT SNOW IN THE AREA LATER TONIGHT INTO
FRIDAY...BUT ACCUMULATION SHOULD BE MOSTLY LESS THAN AN HALF
INCH. ANY SNOWFALL WITH THE STRONG WINDS WILL CAUSE BLOWING SNOW
IN OPEN AREAS.

AN AREA OF FLUFFY SNOW IS EXPECTED TO MOVE OVER THE AREA LATE
SATURDAY NIGHT THROUGH SUNDAY...MAINLY ALONG AND SOUTH OF
INTERSTATE 90...WHERE A FEW INCHES OF SNOW IS POSSIBLE.

.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

In the hours before

Local storm report, Jan 17, 10:12 AM CST, 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1012 AM CST THU JAN 17 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0937 AM     SNOW             LE MARS                 42.79N 96.17W
01/17/2008  E1.0 INCH        PLYMOUTH           IA   LAW ENFORCEMENT

0938 AM     SNOW             SIOUX CITY              42.50N 96.39W
01/17/2008  E0.5 INCH        WOODBURY           IA   LAW ENFORCEMENT

0941 AM     SNOW             SIBLEY                  43.40N 95.74W
01/17/2008  E0.3 INCH        OSCEOLA            IA   LAW ENFORCEMENT

0944 AM     SNOW             CHEROKEE                42.75N 95.55W
01/17/2008  E1.5 INCH        CHEROKEE           IA   LAW ENFORCEMENT

0945 AM     SNOW             IDA GROVE               42.34N 95.47W
01/17/2008  E2.0 INCH        IDA                IA   LAW ENFORCEMENT

0948 AM     SNOW             SPIRIT LAKE             43.42N 95.11W
01/17/2008  E0.3 INCH        DICKINSON          IA   LAW ENFORCEMENT

0949 AM     SNOW             SPENCER                 43.15N 95.15W
01/17/2008  E0.5 INCH        CLAY               IA   LAW ENFORCEMENT

0950 AM     SNOW             STORM LAKE              42.65N 95.20W
01/17/2008  E3.5 INCH        BUENA VISTA        IA   LAW ENFORCEMENT

&&

MB

Nearby

Wind Chill Advisories in South Dakota, 2008Wind Chill Advisories in Iowa, 2008Wind Chill Advisories in Minnesota, 2008Every wind chill advisory 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.