Alert archive / South Dakota / Wind Chill Warnings in 2008

Wind Chill Warning 5, NWS Aberdeen, SD

December 20, 200826 counties in South Dakota; Big Stone County, Traverse County, Minnesota

NWS Aberdeen, SD issued this wind chill warning at Dec 20, 2008, 11:50 AM CST for 26 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It took effect at Dec 20, 2008, 3:00 PM CST. It was in force for 25 hr. 28 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 20, 2008, 11:50 AM CST (17:50 UTC)
In effect from
Dec 20, 2008, 3:00 PM CST
Expired
Dec 21, 2008, 4:00 PM CST
In force
25 hr
Issued by
NWS Aberdeen, SD
All 28 counties

Big Stone County, MN, Traverse County, MN, Brown County, SD, Buffalo County, SD, Campbell County, SD, Clark County, SD, Codington County, SD, Corson County, SD, Day County, SD, Deuel County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Hamlin County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jones County, SD, Lyman County, SD, Marshall County, SD, McPherson County, SD, Potter County, SD, Roberts County, SD, Spink County, SD, Stanley County, SD, Sully County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 56 km from the middle of the area, began a volume at 17:54 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.

What was reported inside it

TimeReportWhereRemark
Dec 20, 6:00 PM CSTEXTR WIND CHILL -36Mcintosh, SD
Dec 20, 6:00 PM CSTEXTR WIND CHILL 36Mcintosh, SD
Dec 20, 9:00 PM CSTEXTR WIND CHILL -39Lake Cochrane Rec Area, SD
Dec 20, 9:00 PM CSTEXTR WIND CHILL -38Timber Lake, SD
Dec 20, 9:00 PM CSTEXTR WIND CHILL -37Bowdle, SD
Dec 20, 9:00 PM CSTEXTR WIND CHILL -359 E Lantry, SD
Dec 20, 9:00 PM CSTEXTR WIND CHILL 359 E Lantry, SD
Dec 20, 9:00 PM CSTEXTR WIND CHILL 37Bowdle, SD
Dec 20, 9:00 PM CSTEXTR WIND CHILL 38Timber Lake, SD
Dec 20, 9:00 PM CSTEXTR WIND CHILL 39Lake Cochrane Rec Area, SD
Dec 20, 10:00 PM CSTEXTR WIND CHILL -38Watertown, SD
Dec 20, 10:00 PM CSTEXTR WIND CHILL -36Sisseton, SD
Dec 20, 10:00 PM CSTEXTR WIND CHILL 36Sisseton, SD
Dec 20, 10:00 PM CSTEXTR WIND CHILL 38Watertown, SD
Dec 20, 11:34 PM CSTEXTR WIND CHILL -357 N Roy Lake State Park, SD
Dec 21, 12:32 AM CSTEXTR WIND CHILL -37Pierre, SD
Dec 21, 12:55 AM CSTEXTR WIND CHILL -37Milbank, SD
Dec 21, 1:36 AM CSTEXTR WIND CHILL -36Ortonville, MN
Dec 21, 1:55 AM CSTEXTR WIND CHILL -39Mobridge, SD
Dec 21, 3:14 AM CSTEXTR WIND CHILL -36Wheaton, MN
Dec 21, 3:15 AM CSTEXTR WIND CHILL -4410 W Long Lake, SD
Dec 21, 4:05 AM CSTEXTR WIND CHILL -39Faulkton, SD
Dec 21, 4:10 AM CSTEXTR WIND CHILL -40Gettysburg, SD
Dec 21, 4:45 AM CSTEXTR WIND CHILL -432 N Herreid, SD
Dec 21, 5:00 AM CSTEXTR WIND CHILL -3613 N Vivian, SD
Dec 21, 5:31 AM CSTEXTR WIND CHILL -37Aberdeen, SD
Dec 21, 5:41 AM CSTEXTR WIND CHILL -396 E Danforth, SD
Dec 21, 5:44 AM CSTEXTR WIND CHILL -39Andover, SD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 5.8 hours before the alert went out and 34 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 2008-12-20Temperature 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 2008-12-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939587897Sfc1 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
701 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
90 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 KABR 201750
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
1150 AM CST SAT DEC 20 2008

.ANOTHER STRONG WINTER STORM SYSTEM IS MOVING ACROSS THE NORTHERN
PLAINS. WHILE MOST OF FALLING SNOW HAS SHIFTED INTO MINNESOTA AND
FAR EASTERN NORTH DAKOTA...THIS STORM WILL CONTINUE TO PRODUCE
STRONG NORTHWEST WINDS AND BITTERLY COLD TEMPERATURES ACROSS
CENTRAL AND NORTHEAST SOUTH DAKOTA AND WEST CENTRAL MINNESOTA
THROUGH SUNDAY MORNING.

SDZ006-018-210200-
/O.CAN.KABR.BZ.W.0004.000000T0000Z-081221T1200Z/
/O.NEW.KABR.WC.W.0005.081220T1750Z-081221T1800Z/
BROWN-SPINK-
INCLUDING THE CITIES OF...ABERDEEN...REDFIELD
1150 AM CST SAT DEC 20 2008

...WIND CHILL WARNING IN EFFECT UNTIL 12 PM CST SUNDAY...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL 12 PM CST SUNDAY. THE BLIZZARD
WARNING HAS BEEN CANCELLED. 

NORTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL CONTINUE
TO PRODUCE AREAS OF BLOWING AND DRIFTING SNOW THROUGH SUNDAY
MORNING. HOWEVER...VISIBILITY RESTRICTIONS ARE NOT EXPECTED TO
FALL BELOW ONE HALF MILE. MEANWHILE...WIND CHILL VALUES WILL
CONTINUE TO FALL TO 35 BELOW ZERO THIS AFTERNOON AND DROP TO 35
BELOW TO 45 BELOW ZERO TONIGHT...PERSISTING THROUGH SUNDAY
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.

$$

SDZ003>005-009-010-015>017-033>037-045-048-051-210200-
/O.CAN.KABR.WW.Y.0017.000000T0000Z-081221T1200Z/
/O.NEW.KABR.WC.W.0005.081220T1750Z-081221T1800Z/
CORSON-CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-DEWEY-POTTER-FAULK-
STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...EUREKA...
MOBRIDGE...IPSWICH...TIMBER LAKE...GETTYSBURG...FAULKTON...
FORT PIERRE...ONIDA...PIERRE...HIGHMORE...MILLER...MURDO...
PRESHO...FORT THOMPSON
1150 AM CST SAT DEC 20 2008 /1050 AM MST SAT DEC 20 2008/

...WIND CHILL WARNING IN EFFECT UNTIL 12 PM CST /11 AM MST/
SUNDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL 12 PM CST /11 AM MST/ SUNDAY.
THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. 

NORTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL CONTINUE
TO PRODUCE AREAS OF BLOWING AND DRIFTING SNOW THROUGH SUNDAY
MORNING. HOWEVER...VISIBILITY RESTRICTIONS ARE NOT EXPECTED TO
FALL BELOW ONE HALF MILE. MEANWHILE...WIND CHILL VALUES WILL
CONTINUE TO FALL TO 35 BELOW ZERO THIS AFTERNOON AND DROP TO 35
BELOW TO 45 BELOW ZERO TONIGHT...PERSISTING THROUGH SUNDAY
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.

$$

MNZ039-046-SDZ007-008-011-019>023-210200-
/O.NEW.KABR.WC.W.0005.081221T1200Z-081221T1800Z/
/O.CON.KABR.BZ.W.0004.000000T0000Z-081221T1200Z/
TRAVERSE-BIG STONE-MARSHALL-ROBERTS-DAY-CLARK-CODINGTON-GRANT-
HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...BRITTON...
SISSETON...WEBSTER...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE
1150 AM CST SAT DEC 20 2008

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...
...WIND CHILL WARNING IN EFFECT FROM 6 AM TO 12 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT FROM 6 AM TO 12 PM CST SUNDAY. A
BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY. 

FALLING SNOW IS NEARING ITS END ACROSS THE WARNED AREA. 4 TO 8
INCHES OF SNOW HAS FALLEN IN THE WARNED AREA SINCE LATE LAST
NIGHT. THIS FRESH ACCUMULATION OF SNOW COMBINED WITH NORTHWEST
WINDS FROM 15 TO 30 MPH WITH GUSTS TO NEAR 40 MPH WILL CONTINUE TO
PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW AND VISIBILITY
RESTRICTIONS TO ONE QUARTER OF A MILE OR LESS THROUGH TONIGHT. IN
ADDITION...VERY COLD AIR WILL ACCOMPANY THE NORTHWEST WINDS AS
THEY MOVE IN...RESULTING IN WIND CHILL VALUES RANGING FROM 35 BELOW
TO 45 BELOW ZERO TONIGHT THROUGH SUNDAY MORNING.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

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.

$$

DORN
5 follow-up statements
000 
WWUS43 KABR 202113
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
313 PM CST SAT DEC 20 2008

.BLIZZARD CONDITIONS HAVE ENDED...BUT THE BLUSTERY NORTHWEST WINDS
AND ARCTIC COLD AIR PLUNGING SOUTH ACROSS THE REGION REMAIN. THESE
WINDY AND COLD CONDITIONS WILL PERSIST OVERNIGHT AND INTO
SUNDAY...PRODUCING DEADLY WIND CHILL VALUES. STAY INDOORS IF AT
ALL POSSIBLE TONIGHT AND SUNDAY MORNING. JUST A FEW MINUTES OF
SKIN EXPOSURE TO THESE EXTREME WEATHER CONDITIONS CAN LEAD TO
FROSTBITE. TAKE CAUTION.

MNZ039-046-SDZ007-008-011-019>023-210515-
/O.CAN.KABR.BZ.W.0004.000000T0000Z-081221T1200Z/
/O.EXT.KABR.WC.W.0005.081220T2113Z-081221T1800Z/
TRAVERSE-BIG STONE-MARSHALL-ROBERTS-DAY-CLARK-CODINGTON-GRANT-
HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...BRITTON...
SISSETON...WEBSTER...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE
313 PM CST SAT DEC 20 2008

...WIND CHILL WARNING NOW IN EFFECT UNTIL 12 PM CST SUNDAY...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS CANCELLED THE
BLIZZARD WARNING. THE WIND CHILL WARNING IS NOW IN EFFECT UNTIL
12 PM CST SUNDAY. 

FALLING SNOW HAS ENDED ACROSS NORTHEAST SOUTH DAKOTA AND WEST
CENTRAL MINNESOTA AND WITH IT THE WHITEOUT BLIZZARD CONDITIONS.
HOWEVER...THE BREEZY TO WINDY NORTHWEST WINDS OF 20 TO 30 MPH WITH
OCCASIONALLY HIGHER GUSTS WILL CONTINUE TO BLOW AND DRIFT THE 4
TO 8 INCHES OF SNOW THAT FELL LAST NIGHT AND THIS MORNING...MAKING
TRAVEL TREACHEROUS...GIVEN THE EXTREME COLD AIR WORKING INTO THE
REGION. THE VERY COLD AIR AND THE WINDY NORTHWEST WINDS WILL
COMBINE TO PRODUCE WIND CHILL VALUES RANGING FROM 35 BELOW TO
NEARLY 50 BELOW ZERO THIS EVENING THROUGH LATE SUNDAY 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.

$$

SDZ003>006-009-010-015>018-033>037-045-048-051-210515-
/O.EXT.KABR.WC.W.0005.081220T2100Z-081221T1800Z/
CORSON-CAMPBELL-MCPHERSON-BROWN-WALWORTH-EDMUNDS-DEWEY-POTTER-
FAULK-SPINK-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...EUREKA...
ABERDEEN...MOBRIDGE...IPSWICH...TIMBER LAKE...GETTYSBURG...
FAULKTON...REDFIELD...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...
MILLER...MURDO...PRESHO...FORT THOMPSON
313 PM CST SAT DEC 20 2008 /213 PM MST SAT DEC 20 2008/

...WIND CHILL WARNING NOW IN EFFECT UNTIL 12 PM CST /11 AM MST/
SUNDAY...

THE WIND CHILL WARNING IS NOW IN EFFECT UNTIL 12 PM CST /11 AM
MST/ SUNDAY. 

BREEZY TO WINDY NORTHWEST WINDS OF 15 TO 30 MPH WITH OCCASIONALLY
HIGHER GUSTS WILL CONTINUE TO BLOW AND DRIFT THE 1 TO 3 INCHES OF
SNOW THAT FELL LAST NIGHT AND EARLY THIS MORNING...MAKING TRAVEL
TREACHEROUS...GIVEN THE EXTREME COLD AIR WORKING INTO THE REGION.
HOWEVER...THE MAIN ISSUE WILL BE WIND CHILL VALUES FALLING TO 35
BELOW TO NEARLY 50 BELOW ZERO TONIGHT...PERSISTING THROUGH
SUNDAY 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.

$$

DORN
000 
WWUS43 KABR 210244
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
844 PM CST SAT DEC 20 2008

.FALLING TEMPERATURES COMBINED WITH NORTHWEST WINDS OF 20 TO 35
MPH WILL BRING DANGEROUS WIND CHILLS THROUGH THE NIGHT AND MORNING
SUNDAY. STAY INDOORS IF AT ALL POSSIBLE BECAUSE JUST A FEW
MINUTES OF SKIN EXPOSURE TO THESE EXTREME WIND CHILLS CAN LEAD TO
FROSTBITE.

SDZ003>006-009-010-015>018-033>037-045-048-051-211045-
/O.CON.KABR.WC.W.0005.000000T0000Z-081221T1800Z/
CORSON-CAMPBELL-MCPHERSON-BROWN-WALWORTH-EDMUNDS-DEWEY-POTTER-
FAULK-SPINK-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...EUREKA...
ABERDEEN...MOBRIDGE...IPSWICH...TIMBER LAKE...GETTYSBURG...
FAULKTON...REDFIELD...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...
MILLER...MURDO...PRESHO...FORT THOMPSON
844 PM CST SAT DEC 20 2008 /744 PM MST SAT DEC 20 2008/

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 12 PM CST /11 AM
MST/ SUNDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 12 PM CST /11 AM
MST/ SUNDAY. 

NORTHWEST WINDS OF 20 TO 35 MPH COMBINED WITH FALLING TEMPERATURES
WILL BRING EXTREME WIND CHILLS OF 35 BELOW TO 50 BELOW ZERO THROUGH
THE NIGHT AND SUNDAY 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.

$$

MNZ039-046-SDZ007-008-011-019>023-211045-
/O.CON.KABR.WC.W.0005.000000T0000Z-081221T1800Z/
TRAVERSE-BIG STONE-MARSHALL-ROBERTS-DAY-CLARK-CODINGTON-GRANT-
HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...BRITTON...
SISSETON...WEBSTER...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE
844 PM CST SAT DEC 20 2008

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

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

NORTHWEST WINDS OF 20 TO 35 MPH COMBINED WITH FALLING TEMPERATURES
WILL BRING EXTREME WIND CHILLS OF 35 BELOW TO 50 BELOW ZERO THROUGH
THE NIGHT AND SUNDAY 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.

$$

MOHR
000 
WWUS43 KABR 210938
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
338 AM CST SUN DEC 21 2008

.BITTERLY COLD TEMPERATURES COMBINED WITH NORTHWEST WINDS OF 20 TO
35 MPH WILL CONTINUE TO BRING DANGEROUS WIND CHILLS TO THE
REGION. STAY INDOORS IF AT ALL POSSIBLE BECAUSE JUST A FEW MINUTES
OF SKIN EXPOSURE TO THESE EXTREME WIND CHILLS CAN LEAD TO
FROSTBITE.

SDZ003>006-009-010-015>018-033>037-045-048-051-211745-
/O.EXT.KABR.WC.W.0005.000000T0000Z-081221T2200Z/
CORSON-CAMPBELL-MCPHERSON-BROWN-WALWORTH-EDMUNDS-DEWEY-POTTER-
FAULK-SPINK-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...EUREKA...
ABERDEEN...MOBRIDGE...IPSWICH...TIMBER LAKE...GETTYSBURG...
FAULKTON...REDFIELD...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...
MILLER...MURDO...PRESHO...FORT THOMPSON
338 AM CST SUN DEC 21 2008 /238 AM MST SUN DEC 21 2008/

...WIND CHILL WARNING NOW IN EFFECT UNTIL 4 PM CST /3 PM MST/
THIS AFTERNOON...

THE WIND CHILL WARNING IS NOW IN EFFECT UNTIL 4 PM CST /3 PM MST/
THIS AFTERNOON. 

NORTHWEST WINDS OF 20 TO 35 MPH...WITH GUSTS OVER 40 MPH...COUPLED
WITH BITTER COLD TEMPERATURES FROM 5 BELOW TO 10 BELOW ZERO...WILL
BRING EXTREME WIND CHILLS OF 35 BELOW TO 50 BELOW ZERO THROUGH
THIS AFTERNOON. WINDS ARE EXPECTED TO DIMINISH RAPIDLY LATER THIS
AFTERNOON. 

THE STRONG WINDS WILL ALSO CREATE AREAS OF BLOWING SNOW...WHERE
VISIBILITIES WILL BE GREATLY REDUCED. 

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.

$$

MNZ039-046-SDZ007-008-011-019>023-211745-
/O.EXT.KABR.WC.W.0005.000000T0000Z-081221T2200Z/
TRAVERSE-BIG STONE-MARSHALL-ROBERTS-DAY-CLARK-CODINGTON-GRANT-
HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...BRITTON...
SISSETON...WEBSTER...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE
338 AM CST SUN DEC 21 2008

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

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

NORTHWEST WINDS OF 20 TO 35 MPH COMBINED WITH BITTERLY COLD
TEMPERATURES FROM 5 BELOW TO 10 BELOW ZERO WILL BRING EXTREME
WIND CHILLS OF 35 BELOW TO 50 BELOW ZERO THROUGH LATE AFTERNOON.
WINDS ARE EXPECTED TO DECREASE RAPIDLY LATER THIS AFTERNOON. 

THE STRONG WINDS WILL ALSO CREATE AREAS OF BLOWING SNOW...WHERE
VISIBILITIES WILL BE GREATLY REDUCED. 

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.

$$

HINTZ
000 
WWUS43 KABR 211737
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
1137 AM CST SUN DEC 21 2008

.BITTERLY COLD TEMPERATURES COMBINED WITH NORTHWEST WINDS OF
20 TO 35 MPH WILL CONTINUE TO BRING DANGEROUS WIND CHILLS TO THE
REGION. STAY INDOORS IF AT ALL POSSIBLE BECAUSE JUST A FEW
MINUTES OF SKIN EXPOSURE TO THESE EXTREME WIND CHILLS CAN LEAD TO
FROSTBITE.

SDZ003>006-009-010-015>018-033>037-045-048-051-212200-
/O.CON.KABR.WC.W.0005.000000T0000Z-081221T2200Z/
CORSON-CAMPBELL-MCPHERSON-BROWN-WALWORTH-EDMUNDS-DEWEY-POTTER-
FAULK-SPINK-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...EUREKA...
ABERDEEN...MOBRIDGE...IPSWICH...TIMBER LAKE...GETTYSBURG...
FAULKTON...REDFIELD...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...
MILLER...MURDO...PRESHO...FORT THOMPSON
1137 AM CST SUN DEC 21 2008 /1037 AM MST SUN DEC 21 2008/

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 4 PM CST /3 PM MST/
THIS AFTERNOON...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 4 PM CST /3 PM MST/
THIS AFTERNOON. 

NORTHWEST WINDS OF 20 TO 35 MPH...COUPLED WITH BITTER COLD
TEMPERATURES FROM ZERO TO 10 BELOW ZERO...WILL BRING EXTREME WIND
CHILLS OF 30 BELOW TO 45 BELOW ZERO THROUGH THIS AFTERNOON. WINDS
ARE EXPECTED TO DIMINISH RAPIDLY LATE THIS AFTERNOON.

THE STRONG WINDS WILL ALSO CREATE AREAS OF BLOWING SNOW...WHERE
VISIBILITIES MAY BE REDUCED.

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.

$$

MNZ039-046-SDZ007-008-011-019>023-212200-
/O.CON.KABR.WC.W.0005.000000T0000Z-081221T2200Z/
TRAVERSE-BIG STONE-MARSHALL-ROBERTS-DAY-CLARK-CODINGTON-GRANT-
HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...BRITTON...
SISSETON...WEBSTER...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE
1137 AM CST SUN DEC 21 2008

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

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

NORTHWEST WINDS OF 20 TO 35 MPH...COMBINED WITH BITTERLY COLD
TEMPERATURES FROM ZERO TO 10 BELOW ZERO WILL BRING EXTREME WIND
CHILLS OF 30 BELOW TO 45 BELOW ZERO THROUGH LATE AFTERNOON. WINDS
ARE EXPECTED TO DECREASE RAPIDLY LATE THIS AFTERNOON.

THE STRONG WINDS WILL ALSO CREATE AREAS OF BLOWING SNOW...WHERE
VISIBILITIES MAY BE REDUCED.

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.

$$

PARKIN
000 
WWUS43 KABR 212151
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
351 PM CST SUN DEC 21 2008

...WIND SPEEDS BEGINNING TO DIMINISH ACROSS THE AREA...

SDZ003>006-009-010-015>018-033>037-045-048-051-212300-
/O.EXP.KABR.WC.W.0005.000000T0000Z-081221T2200Z/
CORSON-CAMPBELL-MCPHERSON-BROWN-WALWORTH-EDMUNDS-DEWEY-POTTER-
FAULK-SPINK-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...EUREKA...
ABERDEEN...MOBRIDGE...IPSWICH...TIMBER LAKE...GETTYSBURG...
FAULKTON...REDFIELD...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...
MILLER...MURDO...PRESHO...FORT THOMPSON
351 PM CST SUN DEC 21 2008 /251 PM MST SUN DEC 21 2008/

...WIND CHILL WARNING WILL EXPIRE AT 4 PM CST /3 PM MST/ THIS
AFTERNOON...

THE WIND CHILL WARNING WILL EXPIRE AT 4 PM CST /3 PM MST/ THIS
AFTERNOON. 

WIND SPEEDS WILL CONTINUE TO DIMINISH THROUGH THE LATE
AFTERNOON...BECOMING LIGHT AFTER SUNSET. THEREFORE...THE WIND
CHILL WARNING WILL BE ALLOWED TO EXPIRE.

$$

MNZ039-046-SDZ007-008-011-019>023-212300-
/O.EXP.KABR.WC.W.0005.000000T0000Z-081221T2200Z/
TRAVERSE-BIG STONE-MARSHALL-ROBERTS-DAY-CLARK-CODINGTON-GRANT-
HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...BRITTON...
SISSETON...WEBSTER...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE
351 PM CST SUN DEC 21 2008

...WIND CHILL WARNING WILL EXPIRE AT 4 PM CST THIS AFTERNOON...

THE WIND CHILL WARNING WILL EXPIRE AT 4 PM CST THIS AFTERNOON. 

WIND SPEEDS WILL CONTINUE TO DIMINISH THROUGH THE LATE
AFTERNOON...BECOMING LIGHT AFTER SUNSET. THEREFORE...THE WIND
CHILL WARNING WILL BE ALLOWED TO EXPIRE.

$$

PARKIN

What forecasters said that day

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

NWS Aberdeen, SD wrote its last area forecast discussion before this wind chill warning went out at Dec 20, 11:07 AM CST, 43 minutes earlier.

Area forecast discussion, Dec 20, 11:07 AM CST, 43 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE ABERDEEN SD
1107 AM CST SAT DEC 20 2008

.UPDATE...
A COUPLE OF UPDATES FORTHCOMING THIS MORNING. THIS FIRST UPDATE IS
JUST TO CLEAN UP THE FIRST PERIOD GRIDDED FORECAST. SNOW HAS
NEARLY ENDED NOW ACROSS THE EASTERN FORECAST AREA. IN THE
MEANTIME...THE STRONG NORTHWEST WINDS DID ACTUALLY CATCH UP TO THE
FALLING SNOW THIS MORNING ACROSS THE JAMES RIVER VALLEY AND POINTS
EAST. BLIZZARD CONDITIONS HAVE BEEN ONGOING ACROSS FAR NORTHEAST
SOUTH DAKOTA AND WEST CENTRAL MINNESOTA THIS MORNING IN
FALLING/BLOWING SNOW AND STRENGTHENING NORTHWEST WINDS. MUCH OF
CENTRAL AND NORTH CENTRAL SOUTH DAKOTA PICKED UP AN INCH OR TWO OF
SNOW LAST NIGHT...WHILE THE JAMES RIVER VALLEY AND POINTS EAST
PICKED UP ANYWHERE FROM 2 TO 7 INCHES OF SNOWFALL AND SOME AREAS
ARE STILL SNOWING.

THE PLAN IS TO REARRANGE SOME OF THE HEADLINES WITHIN THE NEXT
HOUR OR SO TO CHANGE WINTER WEATHER ADVISORY AREAS TO A WIND CHILL
HEADLINE AND TO DROP BROWN AND SPINK COUNTIES FROM A BLIZZARD
WARNING TO SOME FORM OF WIND CHILL HEADLINE. FROM MARSHALL...DAY
AND CLARK COUNTIES EAST...WILL CONTINUE WITH A BLIZZARD WARNING
THROUGH AT LEAST THE REST OF TODAY. WHENEVER THE FALLING SNOW
ENDS...VISBIES START TO IMPROVE...DESPITE THE STRONG WINDS AND
BLOWING SNOW. FOR NOW THOUGH...GIVEN THE EXTENT OF SNOWFALL OUT
EAST AND THE CONTINUED FALLING SNOW AT THE MOMENT...WILL ALLOW
THAT BLIZZARD WARNING OUT EAST...INCLUDING THE I-29 CORRIDOR...TO
CONTINUE.

&&
.PREV DISCUSSION...
.SHORT TERM...TODAY THROUGH MONDAY.
MAIN FCST CHALLENGE FACING THE NEAR TERM DEALS WITH ONGOING PCPN
AND BLIZZARD POTENTIAL...AND TEMPS FOR THE REST OF THE WEEKEND.

LATEST MSAS ANLYS SHOWS INVERTED SFC TROF NOW JUST EAST OF THE
JAMES RIVER VALLEY...WITH SFC WINDS NW BEHIND THIS FEATURE. WINDS
ARE BEGINNING TO INCREASE OUT BY THE MO RIVER...WITH KMBG GUSTING
TO 30MPH AND KPIR HAVING A PEAK WIND TO 36 MPH. NAM/GFS AGREE THAT
MAIN AREA OF FORCING WILL SLIP THROUGH THE ERN PART OF THE CWA BY
12Z...AND MOVE INTO MN BY 15Z. THIS COINCIDES NICELY WITH MAIN
AREA OF 7H THETA-E FORCING ALSO SLIDING EAST OF THE CWA BY
15Z...WITH DOWNGLIDE THEN MOVING IN THEREAFTER. WITH BUFKIT
SHOWING DECENT OMEGA LIFTING THROUGH SNOWGROWTH AREA...SHOULD BE
ABLE TO SQUEEZE OUT 2-3 INCHES OF LIGHT FLUFFY SNOW PRIOR TO WINDS
SHOWING UP. WHICH...IF IT WERENT FOR THE WIND
POTENTIAL...BLIZZARD WARNING COULD MOST LIKELY BE LOWERED TO A
SNOW/BS ADVRY. HOWEVER...LATEST RUC IS SHOWING 925MB GEOSTROPHIC
WINDS ON THE ORDER OF 30 TO 40 KTS...AND GIVEN CURRENT GUSTS
SETTING UP ACROSS THE MO RIVER AREA...THINK THAT VSBYS WILL BEGIN
TO DIMINISH RAPIDLY AS THE WINDS HIT THE POWDER ACROSS THE
BLIZZARD WARNING AREA. HAVE INCLUDED SPINK COUNTY IN THE BLIZZARD
WARNING AS CALL PLACED TO LAW ENFORCEMENT CONFIRMS 1.5 OF NEW
SNOW WITH VSBYS LOWERING ACROSS THE WESTERN SECTIONS OF THE COUNTY
DUE TO BLSN. FURTHER WEST...SNOW AMOUNTS SHOULD BE DRAMATICALLY
LESS...SO WILL LET THE WINTER WEATHER ADVRY RIDE FOR SNOW/BLSN.
TIMING THE END OF THE HEADLINE WILL BE AN ISSUE. DEFINITE BACK
EDGE OF SNOW CAN BE SEEN ON KABR 88D...BUT PERSISTANT STRONG WINDS
WILL DETERIME LENGTH OF HEADLINE. FOR NOW...HAVE OPTED TO KEEP
HEADLINE EXPIRATION TIME AS INHERITED JUST TO KEEP THINGS SIMPLE
AND CONSISTENT...ALTHOUGH FEEL IT MAY BE A BIT LONG WHEN LOOKING
AT SNOW PRODUCTION TIMING.

AS DOWNGLIDE SWEEPS EAST ACROSS THE CWA...EXPECT THE SNOW TO END
RATHER RAPIDLY DURING THE DAY...WITH BLSN BEING THE MAIN WEATHER
FACTOR. HAVE DECREASED POPS QUICKER THAN INHERITED...BUT KEPT
MENTION OF BLSN GOING. WITH STRONG CAA SWEEPING IN...HAVE ALSO
CONTINUED TREND OF FALLING TEMPS THROUGH THE DAY.

7H CLOSED LOW SWEEPS SOUTH AND EAST OF THE AREA THROUGH 12Z
SUNDAY...WITH BACKDOOR 7H TROF DROPPING THROUGH THE EAST. MAY
PROVIDE JUST ENOUGH FOCUS FOR LIGHT SNOW/FLURRIES TO REDEVELOP
DURING THE LATE MORNING THROUGH THE AFTERNOON ON SUNDAY...BUT
LITTLE IF ANY ADDITIONAL ACCUMULATIONS EXPECTED.

THEN COMES THE COLD. NAM CONTS TO SHOW 1035MB ARCTIC HIGH DROPPING
INTO THE MIDWEST AND SETTING UP SHOP. COND PRESSURE DEFICITS SHOW
THAT CLOUDS SHOULD ERODE/MOVE OUT OF THE AREA..WITH SFC WINDS
DECOUPLING NICELY BY LATE AFTERNOON/EVENING SUNDAY. WITH DEEP
FRESH SNOW COVER IN PLACE...HAVE CONTINUED THE TREND OF
UNDERCUTTING GUIDANCE BY A FEW DEGREES.

.LONG TERM...MONDAY NIGHT THROUGH FRIDAY
ACTIVE PATTERN LOOKS LIKE IT WILL CONTINUE INTO THE EXTENDED
PERIOD WITH MODELS SHOWING A COUPLE MORE STORM SYSTEMS MOVING
ACROSS THE NORTHERN PLAINS. FIRST ONE SHOWS UP MONDAY NIGHT AND
COULD REMAIN IN THE AREA THROUGH TUESDAY NIGHT. MODELS IN GOOD
AGREEMENT WITH SFC PRESSURE PATTERN DURING THIS EVENT BUT DISAGREE
A BIT ON PLACEMENT OF QPF. LOOKS LIKE ANOTHER INVERTED TROUGH AXIS
SLIDES EASTWARD ACROSS THE NORTHERN PLAINS MONDAY NIGHT THROUGH
TUESDAY AS FAIRLY POTENT 500 MB WAVE MOVES THROUGH. MOST MODELS
SHOWING QPF ALL ACROSS THE NORTHERN CWA BUT STILL SOME
DISAGREEMENT ON HOW FAR SOUTH TO PUT QPF...TAPERING OFF SOMEWHERE
NEAR I-90. HAVE THEREFORE INCREASED POPS TO JUST UNDER LIKELY BUT
TAPERED OFF ACROSS THE SOUTHWESTERN CWA. POCKET OF COLD 850 MB AIR
IN THE TEENS BELOW ZERO TO AROUND -20 C MOVES IN BEHIND THIS
SYSTEM. SO AGAIN...LOOKING AT LOWS BELOW ZERO WITH HIGHS PROBABLY
ONLY IN THE SINGLE DIGITS ON WEDNESDAY AFTER THE STORM HAS PASSED.
LOOKING TO THURSDAY...LEFT SLIGHT CHANCE POPS IN ACROSS THE FAR
NORTHERN CWA. GFS STILL SHOWING WEAK WAVE OVER THE AREA BUT EC AND
CANADIAN HAVE NOTHING AT ALL. IF GFS BEGINS TO BACK OFF ON THIS
WAVE MORE LIKE THE EC/CANADIAN THEN POPS MAY BE ABLE TO BE PULLED.
LOOKING FARTHER AHEAD...EC/GFS SHOWING YET ANOTHER STORM SYSTEM
MOVING ACROSS THE AREA FOR NEXT FRIDAY.

TEMPERATURES WERE CHANGED LITTLE THROUGHOUT THE PERIOD AND WILL
CONTINUE TO BE BELOW NORMAL AS COLD PATTERN CONTINUES.

&&

.AVIATION...
MVFR/IFR CIGS/VSBYS WILL CONTINUE AT ALL TAF SITES THROUGH THE
EARLY MORNING HOURS IN -SN/SN/+SN AND AREAS OF BLSN. AS NORTHWEST
WINDS INCREASE ACROSS THE AREA THIS MORNING...LIFR/VLIFR VSBYS CAN
BE EXPECTED. THESE CONDITIONS WILL BE MOST PREVALENT AT KABR/KATY
THROUGHOUT THE MORNING AND INTO THE AFTERNOON. CONDITIONS WILL
BEGIN TO IMPROVE SLOWLY ACROSS KMBG/KPIR THROUGHOUT THE MORNING
HOURS. THE SNOW WILL TAPER OFF LATER THIS MORNING ACROSS KMBG/KPIR
BUT WILL NOT END ACROSS KABR/KATY UNTIL THE AFTERNOON. AREAS OF
BLSN WILL REMAIN ACROSS THE AREA THROUGHOUT THE DAY WITH LOWER
VSBYS ACROSS KABR/KATY.

&&

.ABR WATCHES/WARNINGS/ADVISORIES...
SD...WINTER WEATHER ADVISORY UNTIL 6 AM CST /5 AM MST/ SUNDAY FOR
     BUFFALO-CAMPBELL-CORSON-DEWEY-EDMUNDS-FAULK-HAND-HUGHES-
     HYDE-JONES-LYMAN-MCPHERSON-POTTER-STANLEY-SULLY-WALWORTH.

     BLIZZARD WARNING UNTIL 6 AM CST SUNDAY FOR BROWN-CLARK-CODINGTON-
     DAY-DEUEL-GRANT-HAMLIN-MARSHALL-ROBERTS-SPINK.

MN...BLIZZARD WARNING UNTIL 6 AM CST SUNDAY FOR BIG STONE-TRAVERSE.

&&

UPDATE...DORN
SHORT TERM...HINTZ
LONG TERM...TMT
AVIATION...TMT

WEATHER.GOV/ABERDEEN
Hazardous weather outlook, Dec 20, 3:46 AM CST, 8 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ABERDEEN SD
346 AM CST SAT DEC 20 2008

MNZ039-046-SDZ006>008-011-018>023-211000-
TRAVERSE-BIG STONE-BROWN-MARSHALL-ROBERTS-DAY-SPINK-CLARK-
CODINGTON-GRANT-HAMLIN-DEUEL-
346 AM CST SAT DEC 20 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
MINNESOTA AND NORTHEAST SOUTH DAKOTA.

.DAY ONE...TODAY AND TONIGHT

A BLIZZARD WARNING REMAINS IN EFFECT THROUGH 6AM SUNDAY MORNING
FOR A COMBINATION OF NEWLY FALLEN SNOW AND NORTHWEST WINDS GUSTING
TO NEAR 45 MPH CREATING NEAR WHITEOUT CONDITIONS. WIDESPREAD
BLOWING AND DRIFTING SNOW SNOW IS EXPECTED TODAY AND TONIGHT. IN
ADDITION...COLD AIR COMING IN BEHIND THE SYSTEM...WHEN COUPLED
WITH THE STRONG NORTHWEST WINDS...WILL RESULT IN BITTERLY COLD
WIND CHILLS FROM 30 BELOW TO 40 BELOW.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THERE ARE ADDITIONAL CHANCES FOR SNOW ON TUESDAY AND FRIDAY...WITH
ACCUMULATING SNOW POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS REQUESTED FOR TODAY AND TONIGHT. PLEASE
REPORT SNOWFALL TOTALS...ALONG WITH REPORTS OF WHITEOUT OR NEAR
WHITEOUT CONDITIONS...TO YOUR LOCAL LAW ENFORCEMENT OFFICE OR
DIRECTLY RELAY YOUR INFORMATION TO THE NATIONAL WEATHER SERVICE IN
ABERDEEN.

SDZ003>005-009-010-015>017-033>037-045-048-051-211000-
CORSON-CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-DEWEY-POTTER-FAULK-
STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
346 AM CST SAT DEC 20 2008 /246 AM MST SAT DEC 20 2008/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL SOUTH
DAKOTA AND NORTH CENTRAL SOUTH DAKOTA.

.DAY ONE...TODAY AND TONIGHT

A WINTER WEATHER ADVISORY IS IN EFFECT THROUGH 6AM SUNDAY MORNING FOR
THE COMBINATION OF SNOW AND BLOWING SNOW PRODUCING BLOWING AND
DRIFTING SNOW AND VISIBILITY REDUCED TO AS LOW AS ONE HALF MILE AT
TIMES. ADDITIONALLY...COLD AIR FOLLOWING THE SYSTEM IN...WHEN
COUPLED WITH THE STRONG NORTHWEST WINDS...WILL RESULT IN BITTERLY
COLD WIND CHILLS FROM 30 BELOW TO 40 BELOW.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THERE ARE ADDITIONAL CHANCES FOR SNOW ON TUESDAY AND FRIDAY...WITH
ACCUMULATING SNOW POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS REQUESTED FOR TODAY AND TONIGHT. PLEASE
REPORT SNOWFALL TOTALS...ALONG WITH REPORTS OF WHITEOUT OR NEAR
WHITEOUT CONDITIONS...TO YOUR LOCAL LAW ENFORCEMENT OFFICE OR
DIRECTLY RELAY YOUR INFORMATION TO THE NATIONAL WEATHER SERVICE IN
ABERDEEN.

HINTZ

In the hours before

Local storm report, Dec 20, 7:45 AM CST, 4 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
745 AM CST SAT DEC 20 2008

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

0742 AM     BLIZZARD         WEBSTER                 45.34N 97.52W
12/20/2008                   DAY                SD   LAW ENFORCEMENT

            LAW ENFORCEMENT REPORTS VISIBILITY BEING REDUCED TO 1/4
            MILE AT TIMES IN BLOWING SNOW FOR PAST 3 HOURS.

&&

TMT
Local storm report, Dec 20, 10:24 AM CST, 1 hour 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
1024 AM CST SAT DEC 20 2008

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

0700 AM     BLIZZARD         SISSETON                45.66N 97.05W
12/20/2008                   ROBERTS            SD   LAW ENFORCEMENT

            VIS LESS THAN 1/4 MILE

&&

ATG
Local storm report, Dec 20, 10:26 AM CST, 1 hour 24 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE ABERDEEN SD
1026 AM CST SAT DEC 20 2008

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

0300 AM     BLIZZARD         FAULKTON                45.03N 99.13W
12/20/2008                   FAULK              SD   LAW ENFORCEMENT

            LAW ENFORCEMENT REPORTS VISIBILITY 1/10TH MILE IN BLOWING
            SNOW

0345 AM     SNOW             4 S GARDEN CITY         44.90N 97.58W
12/20/2008  E2.0 INCH        CLARK              SD   TRAINED SPOTTER

            STILL SNOWING

0400 AM     BLIZZARD         CLARK                   44.88N 97.73W
12/20/2008                   CLARK              SD   TRAINED SPOTTER

            VISIBILITY AROUND 1/4 MILE OR LESS JUST OUTSIDE OF CLARK.
            SNOWING HEAVILY.

0425 AM     BLIZZARD         ABERDEEN                45.47N 98.48W
12/20/2008                   BROWN              SD   ASOS

            ASOS REPORTS VISIBILITY OF 1/4 MILE WITH WIND GUST TO 35
            MPH AND HEAVY SNOW

0503 AM     SNOW             TURTON                  45.05N 98.10W
12/20/2008  E3.5 INCH        SPINK              SD   CO-OP OBSERVER

            ESTIMATED 3 TO 4 INCHES AND STILL SNOWING. VISIBILITY
            DOWN TO AROUND 1/4 MILE.

0600 AM     BLIZZARD         REDFIELD                44.87N 98.52W
12/20/2008                   SPINK              SD   LAW ENFORCEMENT

            VIS REDUCED LESS THEN 1/4 MILE WITH BLOWING SNOW FOR MORE
            THAN 3 HRS

0630 AM     BLIZZARD         BRITTON                 45.79N 97.75W
12/20/2008                   MARSHALL           SD   LAW ENFORCEMENT

            LARGE DRIFTS, VIS LESS THAN 1/4 MILES FOR 3 HRS, WIND EST
            GREATER THAN 35 MPH.

0700 AM     BLIZZARD         SISSETON                45.66N 97.05W
12/20/2008                   ROBERTS            SD   LAW ENFORCEMENT

            VIS LESS THAN 1/4 MILE

0742 AM     BLIZZARD         WEBSTER                 45.34N 97.52W
12/20/2008                   DAY                SD   LAW ENFORCEMENT

            LAW ENFORCEMENT REPORTS VISIBILITY BEING REDUCED TO 1/4
            MILE AT TIMES IN BLOWING SNOW FOR PAST 3 HOURS.

0800 AM     HEAVY SNOW       2 SSW MILBANK           45.19N 96.65W
12/20/2008  M7.0 INCH        GRANT              SD   CO-OP OBSERVER

0934 AM     BLIZZARD         WATERTOWN               44.91N 97.17W
12/20/2008                   CODINGTON          SD   TRAINED SPOTTER

            VIS LESS THAN 600 FT FOR 45 MIN

0956 AM     HEAVY SNOW       CLEAR LAKE              44.77N 96.68W
12/20/2008  M6.0 INCH        DEUEL              SD   CO-OP OBSERVER

            2.0 INCHES FELL IN LAST 2 HOURS...2 MILES OUTSIDE OF TOWN
            VIS LESS THAN 1/4 MILES.

1018 AM     BLIZZARD         HAYTI                   44.66N 97.20W
12/20/2008                   HAMLIN             SD   LAW ENFORCEMENT

            VIS LESS THAN 1/4 MILE FOR OVER 3 HRS, SNOWFALL 2.9
            INCHES AND STILL FALLING.

1021 AM     BLIZZARD         LAKE NORDEN             44.58N 97.21W
12/20/2008                   HAMLIN             SD   LAW ENFORCEMENT

            VIS LESS THAN 1/8 MILE OVER 3 HRS DURATION, VIS 0 AT
            TIMES, 2-3 FT SNOW DRIFTS.

&&

ATG
Local storm report, Dec 20, 10:49 AM CST, 1 hour 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
1049 AM CST SAT DEC 20 2008

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

1035 AM     BLIZZARD         WATERTOWN               44.91N 97.17W
12/20/2008                   CODINGTON          SD   FIRE DEPT/RESCUE

            VIS LESS THAN 1/4 MILE PAST 2.5 HRS

1040 AM     BLIZZARD         WATERTOWN               44.91N 97.17W
12/20/2008                   CODINGTON          SD   LAW ENFORCEMENT

            VIS IN TOWN 1/4 MILE, VIS OUTSIDE TOWN LESS THAN 300 FT,
            PAST 1.5 HRS

1044 AM     HEAVY SNOW       6 NNW VEBLEN            45.94N 97.33W
12/20/2008  E5.0 INCH        SARGENT            ND   TRAINED SPOTTER

            SNOW HAS CONSISTENCY OF POWDER, BLOWING, VIS AROUND 1/2
            MILE.

&&

ATG
Local storm report, Dec 20, 11:31 AM CST, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
1131 AM CST SAT DEC 20 2008

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

0800 AM     BLIZZARD         ORTONVILLE              45.30N 96.44W
12/20/2008                   BIG STONE          MN   LAW ENFORCEMENT

            VISIBILITY REDUCED BELOW 1/4 MILE SINCE 8AM

&&

CONNELLY

Nearby

Wind 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.