Alert archive / South Dakota / Blizzard Warnings in 2010

Blizzard Warning 4, NWS Aberdeen, SD

December 30, 201026 counties in South Dakota; Big Stone County, Traverse County, Minnesota

NWS Aberdeen, SD issued this blizzard warning at Dec 30, 2010, 12:31 PM CST for 26 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It was in force for 15 hr. 33 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 30, 2010, 12:31 PM CST (18:31 UTC)
Expired
Dec 31, 2010, 3:06 AM CST
In force
15 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 18:35 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 30, 1:00 PM CSTBLIZZARDEureka, SDLESS THAN 1/4 MILE VISIBILITY
Dec 30, 2:00 PM CSTBLIZZARDAberdeen, SDLESS THAN 1/4 MILE VISIBILITY
Dec 30, 2:00 PM CSTBLIZZARDMobridge, SD1/4 MILE VISIBILITY OR LESS
Dec 30, 2:00 PM CSTBLIZZARDPierre, SD1/4 MILE VISIBILITY OR LESS
Dec 30, 2:10 PM CSTBLIZZARDMcintosh, SDVISIBILITY LESS THAN 200 FT, ZERO AT TIMES
Dec 30, 2:15 PM CSTBLIZZARDKennebec, SD3/4 MILE VISIBILITY
Dec 30, 2:15 PM CSTBLIZZARDTimber Lake, SDVISIBILITY LESS THAN 1/4 MILE
Dec 30, 2:17 PM CSTBLIZZARDFort Pierre, SDVISIBILITY LESS THAN 1/4 MILE
Dec 30, 2:20 PM CSTBLIZZARDGettysburg, SDVISIBILITY 100 FT OR LESS
Dec 30, 2:20 PM CSTBLIZZARDWheaton, MN1/4 MILE VISIBILITY
Dec 30, 2:23 PM CSTBLIZZARDOrtonville, MN1/8 MILE VISIBILITY, ESTIMATED 3-4 INCHES OF SNOW
Dec 30, 2:25 PM CSTBLIZZARDSisseton, SDLESS THAN 1/4 MILE VISIBILITY
Dec 30, 2:30 PM CSTBLIZZARDIpswich, SDVISIBILITY 1/4 MILE OR LESS
Dec 30, 2:30 PM CSTBLIZZARDKennebec, SD1/2 MILE VISIBILITY, ESTIMATED 3 INCHES OF SNOW
Dec 30, 2:30 PM CSTBLIZZARDMiller, SD1/8 MILE OR LESS VISIBILITY
Dec 30, 2:32 PM CSTBLIZZARDMilbank, SDVISIBILITY LESS THAN 1/4 MILE
Dec 30, 2:35 PM CSTBLIZZARD1 S Artas, SDVISIBILITY LESS THAN 1/4 MILE, WHITE-OUT AT TIMES
Dec 30, 2:35 PM CSTBLIZZARDToronto, SDVISIBILITY 50 FT
Dec 30, 2:37 PM CSTBLIZZARDCastlewood, SDVISIBILITY 1/8 MILE
Dec 30, 2:37 PM CSTBLIZZARDClear Lake, SDVISIBILITY 1/8 MILE
Dec 30, 2:37 PM CSTBLIZZARDGroton, SDVISIBILITY 1/8 MILE
Dec 30, 2:37 PM CSTBLIZZARDWatertown, SDVISIBILITY 1/8 MILE
Dec 30, 2:37 PM CSTBLIZZARDWebster, SDVISIBILITY 1/8 MILE
Dec 30, 2:40 PM CSTBLIZZARDFaulkton, SD1/8 MILE OR LESS VISIBILITY
Dec 30, 2:40 PM CSTBLIZZARDOnida, SD1/4 TO 1/2 MILE VISIBILITY
Dec 30, 2:40 PM CSTBLIZZARDRedfield, SDLESS THAN 1/8 MILE VISIBILITY
Dec 30, 2:45 PM CSTBLIZZARDGann Valley, SDVISIBILITY LESS THAN 1/4 MILE, ESTIMATED 2 INCHES OF SNOW
Dec 30, 2:46 PM CSTBLIZZARDBritton, SD1/8 MILE TO NO VISIBILITY, ESTIMATED 2-3 INCHES OF SNOW
Dec 30, 3:25 PM CSTBLIZZARD4 S Garden City, SD5 INCHES OF SNOW. VISIBILITY BELOW 1/8 MILE.
Dec 30, 6:34 PM CSTBLIZZARDHighmore, SDVISIBILITY 1/4 MILE
Dec 30, 11:59 PM CSTSNOW 4.3Aberdeen, SD
Dec 30, 11:59 PM CSTSNOW 4.7Sisseton, SD
Dec 30, 11:59 PM CSTHEAVY SNOW 7Webster, 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, 6.5 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 2010-12-30Temperature 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 2010-12-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 240 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
455 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
240 m²/s²
0-3 km storm-relative helicity
246 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.

999 
WWUS43 KABR 301831
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
1231 PM CST THU DEC 30 2010

...MAJOR WINTER STORM EXPECTED ACROSS THE REGION...

.TWO LOW PRESSURE SYSTEMS WILL AFFECT THE REGION FOR THE
REMAINDER OF THIS WEEK. THE FIRST SYSTEM LIFTS OUT ACROSS THE
AREA TODAY..AND WILL PRODUCE SNOW ACCUMULATIONS ACROSS THE REGION
THROUGH THIS EVENING. FREEZING RAIN AND DENSE FOG MAY ALSO OCCUR
OVER NORTHEASTERN SOUTH DAKOTA AND WEST CENTRAL MINNESOTA THIS
MORNING...BEFORE THE SNOW BEGINS. LOOK FOR SNOW TO TAPER OFF BY
LATE THIS EVENING...WHICH WILL BE FOLLOWED BY BITTER COLD WIND
CHILLS OF 20 TO 30 DEGREES BELOW ZERO.

THE SECOND AND MORE POWERFUL WINTER STORM LIFTS UP ACROSS THE
NORTHERN PLAINS ON FRIDAY AND FRIDAY NIGHT. THAT IS WHEN THE
REGION CAN EXPECT HEAVY AMOUNTS OF SNOW ALONG WITH BLOWING AND
DRIFTING SNOW. THAT SECOND STORM WILL GRADUALLY MOVE OUT DURING
THE FIRST PART OF NEW YEARS DAY.

MNZ039-046-SDZ006>008-011-018>023-310245-
/O.CAN.KABR.WS.W.0008.000000T0000Z-101231T0900Z/
/O.NEW.KABR.BZ.W.0004.101230T1831Z-101231T0900Z/
/O.NEW.KABR.WS.W.0009.101231T1500Z-110101T1800Z/
TRAVERSE-BIG STONE-BROWN-MARSHALL-ROBERTS-DAY-SPINK-CLARK-
CODINGTON-GRANT-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...ABERDEEN...
BRITTON...SISSETON...WEBSTER...REDFIELD...CLARK...WATERTOWN...
MILBANK...CASTLEWOOD...CLEAR LAKE
1231 PM CST THU DEC 30 2010

...BLIZZARD WARNING IN EFFECT UNTIL 3 AM CST FRIDAY...
...WINTER STORM WARNING IN EFFECT FROM 9 AM FRIDAY TO NOON CST
SATURDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 3 AM CST FRIDAY. A WINTER STORM
WARNING HAS ALSO BEEN ISSUED. THE WINTER STORM WARNING FOR HEAVY
SNOW IS IN EFFECT FROM 9 AM FRIDAY TO NOON CST SATURDAY. THE
WINTER STORM WARNING FOR TODAY AND TONIGHT HAS BEEN UPGRADED TO A
BLIZZARD WARNING.

* SNOW WILL CONTINUE ACROSS THE REGION... AND PERSIST THROUGH THE
  EVENING. THERE WILL THEN BE A LULL IN THE ACTIVITY LATE TONIGHT
  BEFORE MODERATE TO HEAVY SNOW MOVES BACK INTO THE AREA FRIDAY
  MORNING. GUSTY NORTH WINDS WILL CONTINUE TODAY AND CAUSE BLOWING
  AND DRIFTING OF SNOW TODAY... AND AGAIN ON FRIDAY AND FRIDAY
  NIGHT.

* STORM TOTAL SNOWFALL AMOUNTS OF 8 TO 14 INCHES CAN BE EXPECTED 
  BETWEEN THIS MORNING AND SATURDAY MORNING FROM THESE TWO 
  SYSTEMS...WITH 5 TO 7 INCHES OCCURRING TODAY...AND THE 
  REMAINING SNOWFALL OCCURRING FRIDAY INTO FRIDAY NIGHT. 

* NORTH TO NORTHWEST WINDS OF 25 TO 40 MPH ARE LIKELY TODAY AND
  AGAIN FRIDAY THROUGH FRIDAY NIGHT...WHICH WILL RESULT IN BLOWING
  AND DRIFTING SNOW...ALONG WITH SIGNIFICANT REDUCTIONS IN
  VISIBILITY.

* WIND CHILL VALUES OF 15 BELOW TO 30 BELOW ZERO ARE EXPECTED TO
  DEVELOP BY LATE THIS AFTERNOON AND LAST THROUGH SATURDAY
  MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

SDZ003>005-009-010-015>017-310245-
/O.UPG.KABR.WW.Y.0026.000000T0000Z-101231T0900Z/
/O.NEW.KABR.BZ.W.0004.101230T1831Z-101231T0900Z/
/O.EXT.KABR.WS.W.0008.101231T1500Z-110101T1800Z/
CORSON-CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-DEWEY-POTTER-FAULK-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...EUREKA...
MOBRIDGE...IPSWICH...TIMBER LAKE...GETTYSBURG...FAULKTON
1231 PM CST THU DEC 30 2010 /1131 AM MST THU DEC 30 2010/

...BLIZZARD WARNING IN EFFECT UNTIL 3 AM CST /2 AM MST/ FRIDAY...
...WINTER STORM WARNING NOW IN EFFECT FROM 9 AM CST /8 AM MST/
FRIDAY TO NOON CST /11 AM MST/ SATURDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 3 AM CST /2 AM MST/ FRIDAY.
THE WINTER STORM WARNING IS NOW IN EFFECT FROM 9 AM CST /8 AM
MST/ FRIDAY TO NOON CST /11 AM MST/ SATURDAY. THE WINTER WEATHER
ADVISORY IS NO LONGER IN EFFECT. 

* SNOW IS EXPECTED ACROSS THE REGION... AND SHOULD PERSIST
  THROUGH THIS EVENING. THERE WILL THEN BE A LULL IN THE ACTIVITY
  LATE TONIGHT BEFORE MODERATE TO HEAVY SNOW MOVES BACK INTO THE
  AREA FRIDAY MORNING. GUSTY NORTH WINDS WILL CAUSE BLOWING AND
  DRIFTING OF SNOW TODAY...AND AGAIN ON FRIDAY AND FRIDAY NIGHT.

* STORM TOTAL SNOWFALL AMOUNTS OF 7 TO 14 INCHES CAN BE EXPECTED
  THROUGH SATURDAY MORNING FROM THESE TWO SYSTEMS...WITH 2 TO 5
  INCHES OCCURRING TODAY...AND THE REMAINING ACCUMULATIONS ON
  FRIDAY INTO FRIDAY NIGHT.

* NORTH TO NORTHWEST WINDS OF 25 TO 40 MPH ARE EXPECTED TODAY 
  AND AGAIN FRIDAY THROUGH FRIDAY NIGHT...WHICH WILL RESULT IN 
  BLOWING AND DRIFTING SNOW...ALONG WITH SIGNIFICANT REDUCTIONS 
  IN VISIBILITY. 

* WIND CHILL VALUES OF 15 BELOW TO 30 BELOW ZERO ARE EXPECTED TO
  DEVELOP BY LATE THIS AFTERNOON AND LAST THROUGH SATURDAY
  MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

SDZ033>037-045-048-051-310245-
/O.UPG.KABR.WW.Y.0026.000000T0000Z-101231T0900Z/
/O.NEW.KABR.BZ.W.0004.101230T1831Z-101231T0900Z/
/O.CON.KABR.WS.W.0008.101231T0900Z-110101T1500Z/
STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...FORT PIERRE...ONIDA...PIERRE...
HIGHMORE...MILLER...MURDO...PRESHO...FORT THOMPSON
1231 PM CST THU DEC 30 2010 /1131 AM MST THU DEC 30 2010/

...BLIZZARD WARNING IN EFFECT UNTIL 3 AM CST /2 AM MST/ FRIDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM CST /2 AM
MST/ FRIDAY TO 9 AM CST /8 AM MST/ SATURDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 3 AM CST /2 AM MST/ FRIDAY.
THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. A WINTER
STORM WARNING REMAINS IN EFFECT FROM 3 AM CST /2 AM MST/ FRIDAY
TO 9 AM CST /8 AM MST/ SATURDAY. 

* SNOW IS EXPECTED ACROSS THE REGION TODAY. THERE WILL THEN BE A 
  LULL IN THE ACTIVITY TONIGHT BEFORE MODERATE TO HEAVY SNOW 
  MOVES BACK IN BY FRIDAY MORNING. MODERATE TO HEAVY SNOW WILL 
  THEN PERSIST INTO FRIDAY NIGHT. GUSTY WINDS WILL CAUSE BLOWING 
  AND DRIFTING SNOW TODAY...AND AGAIN ON FRIDAY AND FRIDAY 
  NIGHT. 

* STORM TOTAL SNOWFALL AMOUNTS OF 8 TO 13 INCHES CAN BE EXPECTED
  BETWEEN TODAY AND SATURDAY MORNING FROM THESE TWO SYSTEMS. WITH
  2 TO 5 INCHES OCCURRING TODAY...AND THE REMAINING ACCUMULATIONS
  OCCURRING ON FRIDAY INTO FRIDAY NIGHT.

* NORTH TO NORTHWEST WINDS OF 25 TO 40 MPH ARE EXPECTED TODAY AND
  AGAIN FRIDAY THROUGH FRIDAY NIGHT...WHICH WILL RESULT IN BLOWING
  AND DRIFTING SNOW...ALONG WITH SIGNIFICANT REDUCTIONS IN
  VISIBILITY.

* WIND CHILL VALUES OF 15 BELOW TO 30 BELOW ZERO ARE EXPECTED TO 
  DEVELOP BY LATE IN THE DAY AND LAST THROUGH FRIDAY NIGHT. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
TDK
4 follow-up statements
947 
WWUS43 KABR 302132
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
332 PM CST THU DEC 30 2010

...MAJOR WINTER STORM ACROSS THE REGION...

.TWO LOW PRESSURE SYSTEMS WILL AFFECT THE REGION FOR THE
REMAINDER OF THIS WEEK. THE FIRST SYSTEM LIFTS OUT ACROSS THE
AREA TONIGHT..AND WILL PRODUCE SNOW ACCUMULATIONS ACROSS THE
REGION THROUGH THIS EVENING. LOOK FOR SNOW TO TAPER OFF BY LATE
THIS EVENING...WHICH WILL BE FOLLOWED BY BITTER COLD WIND CHILLS.

THE SECOND AND MORE POWERFUL WINTER STORM LIFTS UP ACROSS THE
NORTHERN PLAINS ON FRIDAY AND FRIDAY NIGHT. THAT IS WHEN THE
REGION CAN EXPECT HEAVY AMOUNTS OF SNOW ALONG WITH BLOWING AND
DRIFTING SNOW. THAT SECOND STORM WILL GRADUALLY MOVE OUT DURING
THE FIRST PART OF NEW YEARS DAY.

SDZ033>037-045-048-051-310600-
/O.CON.KABR.BZ.W.0004.000000T0000Z-101231T0900Z/
/O.CON.KABR.WS.W.0008.101231T0900Z-110101T1500Z/
STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...FORT PIERRE...ONIDA...PIERRE...
HIGHMORE...MILLER...MURDO...PRESHO...FORT THOMPSON
332 PM CST THU DEC 30 2010 /232 PM MST THU DEC 30 2010/

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 AM CST /2 AM MST/
FRIDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM CST /2 AM
MST/ FRIDAY TO 9 AM CST /8 AM MST/ SATURDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 AM CST /2 AM MST/
FRIDAY. A WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM CST
/2 AM MST/ FRIDAY TO 9 AM CST /8 AM MST/ SATURDAY. 

* SNOW IS EXPECTED ACROSS THE REGION TONIGHT. THERE WILL BE A LULL
  IN THE ACTIVITY LATE TONIGHT BEFORE MODERATE TO HEAVY SNOW
  MOVES BACK IN BY FRIDAY MORNING. MODERATE TO HEAVY SNOW WILL
  THEN PERSIST INTO FRIDAY NIGHT. GUSTY WINDS WILL CAUSE BLOWING
  AND DRIFTING SNOW TONIGHT...AND AGAIN ON FRIDAY AND FRIDAY
  NIGHT.

* STORM TOTAL SNOWFALL AMOUNTS OF 10 TO 15 INCHES CAN BE EXPECTED
  BETWEEN TONIGHT AND SATURDAY MORNING FROM THESE TWO SYSTEMS. 

* NORTH TO NORTHWEST WINDS OF 25 TO 40 MPH ARE EXPECTED TONIGHT 
  AND AGAIN FRIDAY THROUGH FRIDAY NIGHT...WHICH WILL RESULT IN 
  BLOWING AND DRIFTING SNOW...ALONG WITH SIGNIFICANT REDUCTIONS 
  IN VISIBILITY. 

* WIND CHILL VALUES OF 20 BELOW TO 30 BELOW ZERO ARE EXPECTED TO
  DEVELOP TONIGHT AND LAST THROUGH FRIDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

SDZ003>005-009-010-015>017-310600-
/O.CON.KABR.BZ.W.0004.000000T0000Z-101231T0900Z/
/O.CON.KABR.WS.W.0008.101231T1500Z-110101T1800Z/
CORSON-CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-DEWEY-POTTER-FAULK-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...EUREKA...
MOBRIDGE...IPSWICH...TIMBER LAKE...GETTYSBURG...FAULKTON
332 PM CST THU DEC 30 2010 /232 PM MST THU DEC 30 2010/

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 AM CST /2 AM MST/
FRIDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM CST /8 AM
MST/ FRIDAY TO NOON CST /11 AM MST/ SATURDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 AM CST /2 AM MST/
FRIDAY. A WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM CST
/8 AM MST/ FRIDAY TO NOON CST /11 AM MST/ SATURDAY. 

* SNOW IS EXPECTED ACROSS THE REGION... AND SHOULD PERSIST 
  THROUGH THIS EVENING. THERE WILL THEN BE A LULL IN THE 
  ACTIVITY LATE TONIGHT BEFORE MODERATE TO HEAVY SNOW MOVES BACK 
  INTO THE AREA FRIDAY MORNING. GUSTY NORTH WINDS WILL CAUSE 
  BLOWING AND DRIFTING OF SNOW TONIGHT...AND AGAIN ON FRIDAY AND 
  FRIDAY NIGHT. 

* STORM TOTAL SNOWFALL AMOUNTS OF 9 TO 14 INCHES CAN BE EXPECTED
  THROUGH SATURDAY MORNING FROM THESE TWO SYSTEMS.

* NORTH TO NORTHWEST WINDS OF 25 TO 40 MPH ARE EXPECTED TONIGHT 
  AND AGAIN FRIDAY THROUGH FRIDAY NIGHT...WHICH WILL RESULT IN 
  BLOWING AND DRIFTING SNOW...ALONG WITH SIGNIFICANT REDUCTIONS 
  IN VISIBILITY. 

* WIND CHILL VALUES OF 20 BELOW TO 30 BELOW ZERO ARE EXPECTED TO
  DEVELOP TONIGHT AND LAST THROUGH SATURDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

MNZ039-046-SDZ006>008-011-018>023-310600-
/O.CON.KABR.BZ.W.0004.000000T0000Z-101231T0900Z/
/O.CON.KABR.WS.W.0009.101231T1500Z-110101T1800Z/
TRAVERSE-BIG STONE-BROWN-MARSHALL-ROBERTS-DAY-SPINK-CLARK-
CODINGTON-GRANT-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...ABERDEEN...
BRITTON...SISSETON...WEBSTER...REDFIELD...CLARK...WATERTOWN...
MILBANK...CASTLEWOOD...CLEAR LAKE
332 PM CST THU DEC 30 2010

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 AM CST FRIDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM FRIDAY TO
NOON CST SATURDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 AM CST FRIDAY. A
WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM FRIDAY TO NOON
CST SATURDAY. 

* SNOW WILL CONTINUE ACROSS THE REGION... AND PERSIST THROUGH THE
  EVENING. THERE WILL THEN BE A LULL IN THE ACTIVITY LATE TONIGHT
  BEFORE MODERATE TO HEAVY SNOW MOVES BACK INTO THE AREA FRIDAY
  MORNING. GUSTY NORTH WINDS WILL CONTINUE AND CAUSE BLOWING AND
  DRIFTING OF SNOW TONIGHT... AND AGAIN ON FRIDAY AND FRIDAY
  NIGHT.

* STORM TOTAL SNOWFALL AMOUNTS OF 10 TO 15 INCHES CAN BE EXPECTED
  TONIGHT THROUGH FRIDAY NIGHT FROM THESE TWO SYSTEMS..

* NORTH TO NORTHWEST WINDS OF 25 TO 40 MPH ARE EXPECTED TONIGHT
  AND AGAIN FRIDAY THROUGH FRIDAY NIGHT...WHICH WILL RESULT IN
  BLOWING AND DRIFTING SNOW...ALONG WITH SIGNIFICANT REDUCTIONS IN
  VISIBILITY.

* WIND CHILL VALUES OF 20 BELOW TO 30 BELOW ZERO ARE EXPECTED TO
  DEVELOP TONIGHT AND LAST THROUGH SATURDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
TDK
135 
WWUS43 KABR 310358
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
958 PM CST THU DEC 30 2010

...MAJOR WINTER STORM ACROSS THE REGION...

.THE FIRST OF TWO POTENT LOW PRESSURE SYSTEMS AFFECTING THE REGION
IS MOVING NORTHEAST INTO MINNESOTA...TAKING THE SIGNIFICANT
FALLING AND BLOWING SNOW WITH IT. INITIAL INDICATIONS ARE THAT
THIS FIRST LOW PRESSURE SYSTEM PRODUCED ANYWHERE FROM 2 TO 7
INCHES OF NEW SNOW ACCUMULATION AND WIDESPREAD BLIZZARD
CONDITIONS OVER THE FORECAST AREA...WITH THE HIGHER SNOW
ACCUMULATIONS ACROSS FAR NORTHEAST SOUTH DAKOTA AND WEST CENTRAL
MINNESOTA. IN FACT...FAR NORTHEAST SOUTH DAKOTA AND WEST CENTRAL
MINNESOTA WILL REMAIN IN WIDESPREAD BLIZZARD CONDITIONS FOR
SEVERAL MORE HOURS BEFORE VISIBILITIES IMPROVE TO ONE HALF MILE OR
BETTER. SNOW IS TAPERING OFF ELSEWHERE...AND VISIBILITIES ARE
IMPROVING TO ONE TO TWO MILES. BUT...DO NOT MISTAKE IMPROVING
VISIBILITIES WITH IMPROVING TRAVEL CONDITIONS. BLOWING AND
DRIFTING SNOW WILL REMAIN A PROBLEM FOR THE REST OF THE NIGHT WITH
VISIBILITIES IN BLOWING SNOW OCCASIONALLY BRIEFLY FALLING TO ONE
HALF MILE OR LESS. WIND CHILLS WILL ALSO COMPOUND THE CONTINUING
TREACHEROUS TRAVEL SITUATION WITH VALUES RANGING BETWEEN 20 BELOW
AND 30 BELOW ZERO OVERNIGHT.

THE SECOND STRONG WINTER STORM SYSTEM IS LIFTING NORTHEAST OUT OF
THE ROCKY MOUNTAINS AT THIS TIME...AND IS ALREADY SPREADING SNOW
NORTH THROUGH PORTIONS OF WYOMING AND NEBRASKA. THIS LOW PRESSURE
SYSTEM WILL TRACK NORTHEAST THROUGH THE NORTHERN PLAINS FRIDAY AND
FRIDAY NIGHT...BRINGING A SECOND ROUND OF MODERATE TO HEAVY
SNOW...ALONG WITH MORE PROBLEMATIC BLOWING AND DRIFTING SNOW AND
REDUCED VISIBILITIES. THAT SECOND STORM WILL GRADUALLY MOVE OUT
DURING THE FIRST PART OF NEW YEARS DAY.

SDZ033>037-045-048-051-311200-
/O.CAN.KABR.BZ.W.0004.000000T0000Z-101231T0900Z/
/O.NEW.KABR.WW.Y.0027.101231T0358Z-101231T0900Z/
/O.CON.KABR.WS.W.0008.101231T0900Z-110101T1500Z/
STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...FORT PIERRE...ONIDA...PIERRE...
HIGHMORE...MILLER...MURDO...PRESHO...FORT THOMPSON
958 PM CST THU DEC 30 2010 /858 PM MST THU DEC 30 2010/

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 AM CST /2 AM MST/
FRIDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM CST /2 AM
MST/ FRIDAY TO 9 AM CST /8 AM MST/ SATURDAY...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WINTER
WEATHER ADVISORY FOR THE COMBINATION OF BLOWING SNOW AND
DANGEROUSLY LOW WIND CHILLS...WHICH IS IN EFFECT UNTIL 3 AM CST
/2 AM MST/ FRIDAY. THE BLIZZARD WARNING HAS BEEN CANCELLED. A
WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM CST /2 AM MST/
FRIDAY TO 9 AM CST /8 AM MST/ SATURDAY.

* SNOWFALL HAS TAPERED OFF TO MAINLY FLURRIES THIS EVENING.
  HOWEVER...BY EARLY FRIDAY MORNING THE NEXT ROUND OF MODERATE TO
  HEAVY SNOW MOVES BACK INTO CENTRAL SOUTH DAKOTA. MODERATE TO
  HEAVY SNOW WILL THEN PERSIST INTO FRIDAY NIGHT.

* STORM TOTAL SNOWFALL AMOUNTS FRIDAY AND FRIDAY NIGHT WILL RANGE
  FROM 8 TO 12 INCHES.

* NORTH TO NORTHWEST WINDS OF 20 TO 30 MPH WILL PERSIST THE REST
  OF TONIGHT...PRODUCING CONTINUED BLOWING AND DRIFTING SNOW. SOME
  AREAS MAY SEE BRIEF REDUCTIONS IN VISIBILITY TO ONE HALF MILE OR
  LESS. HOWEVER...WHEN MODERATE TO HEAVY SNOW RETURNS TO THE AREA
  ON FRIDAY...SIGNIFICANT VISIBILITY REDUCTIONS MAY ONCE AGAIN BE
  POSSIBLE DUE TO THE COMBINATION OF FALLING AND BLOWING SNOW.

* WIND CHILL VALUES OF 20 BELOW TO 30 BELOW ZERO ARE OCCURRING AND
  WILL CONTINUE THROUGH FRIDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$

SDZ003>005-009-010-015>017-311200-
/O.CAN.KABR.BZ.W.0004.000000T0000Z-101231T0900Z/
/O.NEW.KABR.WW.Y.0027.101231T0358Z-101231T1500Z/
/O.CON.KABR.WS.W.0008.101231T1500Z-110101T1800Z/
CORSON-CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-DEWEY-POTTER-FAULK-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...EUREKA...
MOBRIDGE...IPSWICH...TIMBER LAKE...GETTYSBURG...FAULKTON
958 PM CST THU DEC 30 2010 /858 PM MST THU DEC 30 2010/

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM CST /8 AM MST/
FRIDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM CST /8 AM
MST/ FRIDAY TO NOON CST /11 AM MST/ SATURDAY...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WINTER
WEATHER ADVISORY FOR THE COMBINATION OF BLOWING SNOW AND
DANGEROUSLY LOW WIND CHILLS...WHICH IS IN EFFECT UNTIL 9 AM CST /8
AM MST/ FRIDAY. THE BLIZZARD WARNING HAS BEEN CANCELLED. A
WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM CST /8 AM MST/
FRIDAY TO NOON CST /11 AM MST/ SATURDAY.

* SNOW IS TAPERING OFF TO MAINLY FLURRIES ACROSS THE REGION.
  HOWEVER...BY MID TO LATE FRIDAY MORNING THE NEXT ROUND OF
  MODERATE TO HEAVY SNOW MOVES BACK INTO CENTRAL AND NORTH CENTRAL
  SOUTH DAKOTA. MODERATE TO HEAVY SNOW WILL THEN PERSIST INTO
  FRIDAY NIGHT.

* STORM TOTAL SNOWFALL AMOUNTS FRIDAY AND FRIDAY NIGHT WILL RANGE
  FROM 8 TO 12 INCHES.

* NORTH TO NORTHWEST WINDS OF 20 TO 30 MPH WILL PERSIST THE REST
  OF TONIGHT...PRODUCING CONTINUED BLOWING AND DRIFTING SNOW. SOME
  AREAS MAY SEE BRIEF REDUCTIONS IN VISIBILITY TO ONE HALF MILE OR
  LESS. HOWEVER...WHEN MODERATE TO HEAVY SNOW RETURNS TO THE AREA
  ON FRIDAY...SIGNIFICANT VISIBILITY REDUCTIONS MAY ONCE AGAIN BE
  POSSIBLE DUE TO THE COMBINATION OF FALLING AND BLOWING SNOW.

* WIND CHILL VALUES OF 20 BELOW TO 30 BELOW ZERO ARE OCCURRING AND
  WILL CONTINUE THROUGH FRIDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.


&&

$$

SDZ006-011-018>020-022-023-311200-
/O.CAN.KABR.BZ.W.0004.000000T0000Z-101231T0900Z/
/O.NEW.KABR.WW.Y.0027.101231T0358Z-101231T1500Z/
/O.CON.KABR.WS.W.0009.101231T1500Z-110101T1800Z/
BROWN-DAY-SPINK-CLARK-CODINGTON-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...ABERDEEN...WEBSTER...REDFIELD...CLARK...
WATERTOWN...CASTLEWOOD...CLEAR LAKE
958 PM CST THU DEC 30 2010

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM CST FRIDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM FRIDAY TO
NOON CST SATURDAY...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WINTER
WEATHER ADVISORY FOR THE COMBINATION OF BLOWING SNOW AND
DANGEROUSLY LOW WIND CHILLS...WHICH IS IN EFFECT UNTIL 9 AM CST FRIDAY.
THE BLIZZARD WARNING HAS BEEN CANCELLED. A WINTER STORM WARNING
REMAINS IN EFFECT FROM 9 AM FRIDAY TO NOON CST SATURDAY.

* SNOW IS TAPERING OFF TO MAINLY FLURRIES ACROSS THE REGION.
  HOWEVER...BY MID TO LATE FRIDAY MORNING THE NEXT ROUND OF
  MODERATE TO HEAVY SNOW MOVES BACK INTO CENTRAL AND NORTH CENTRAL
  SOUTH DAKOTA. MODERATE TO HEAVY SNOW WILL THEN PERSIST INTO
  FRIDAY NIGHT.

* STORM TOTAL SNOWFALL AMOUNTS FRIDAY AND FRIDAY NIGHT WILL RANGE
  FROM 8 TO 12 INCHES.

* NORTH TO NORTHWEST WINDS OF 20 TO 30 MPH WILL PERSIST THE REST
  OF TONIGHT...PRODUCING CONTINUED BLOWING AND DRIFTING SNOW. SOME
  AREAS MAY SEE BRIEF REDUCTIONS IN VISIBILITY TO ONE HALF MILE OR
  LESS. HOWEVER...WHEN MODERATE TO HEAVY SNOW RETURNS TO THE AREA
  ON FRIDAY...SIGNIFICANT VISIBILITY REDUCTIONS MAY ONCE AGAIN BE
  POSSIBLE DUE TO THE COMBINATION OF FALLING AND BLOWING SNOW.

* WIND CHILL VALUES OF 20 BELOW TO 30 BELOW ZERO ARE OCCURRING AND
  WILL CONTINUE THROUGH FRIDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$

MNZ039-046-SDZ007-008-021-311200-
/O.NEW.KABR.WW.Y.0027.101231T0900Z-101231T1500Z/
/O.CON.KABR.BZ.W.0004.000000T0000Z-101231T0900Z/
/O.CON.KABR.WS.W.0009.101231T1500Z-110101T1800Z/
TRAVERSE-BIG STONE-MARSHALL-ROBERTS-GRANT-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...BRITTON...
SISSETON...MILBANK
958 PM CST THU DEC 30 2010

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 AM CST FRIDAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 9 AM CST
FRIDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM FRIDAY TO
NOON CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WINTER
WEATHER ADVISORY FOR THE COMBINATION OF BLOWING SNOW AND
DANGEROUSLY LOW WIND CHILLS...WHICH IS IN EFFECT FROM 3 AM TO 9 AM
CST FRIDAY. A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 AM CST
FRIDAY. A WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM FRIDAY
TO NOON CST SATURDAY.

* LIGHT TO OCCASIONALLY MODERATE SNOW WILL CONTINUE ACROSS FAR
  NORTHEAST SOUTH DAKOTA AND WEST CENTRAL MINNESOTA FOR A FEW MORE
  HOURS TONIGHT. AN INCH OR TWO OF ADDITIONAL SNOW ACCUMULATION IS
  LIKELY. WHEN COMBINED WITH THE 25 TO 40 MPH SUSTAINED NORTH
  WINDS OVER THIS AREA...WIDESPREAD BLIZZARD CONDITIONS ARE
  EXPECTED TO PERSIST THROUGH LATE TONIGHT. BY EARLY SATURDAY
  MORNING...SNOWFALL WILL TAPER OFF TO FLURRIES AND WIND SPEEDS
  WILL DECREASE TO 20 TO 30 MPH...RESULTING IN IMPROVING
  VISIBILITY.

* BY MID DAY ON FRIDAY...MODERATE TO HEAVY SNOW MOVES BACK INTO
  THE AREA...AND PERSISTS THROUGH SATURDAY MORNING.

* STORM TOTAL SNOWFALL AMOUNTS OF 8 TO 12 INCHES CAN BE EXPECTED
  FRIDAY THROUGH EARLY SATURDAY MORNING.

* BY EARLY FRIDAY MORNING...DECREASING WIND SPEEDS AND SNOW
  FLURRIES WILL HELP IMPROVED VISIBILITY...BRINGING AN END TO
  BLIZZARD CONDITIONS. HOWEVER...BLOWING AND DRIFTING SNOW WILL
  STILL CREATE TREACHEROUS TRAVEL CONDITIONS...ESPECIALLY WHEN
  COMBINED WITH THE 20 BELOW TO 30 BELOW ZERO WIND CHILLS IN
  PLACE. THESE DANGEROUSLY LOW WIND CHILLS WILL REMAIN THROUGH
  EARLY SATURDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$

DORN
305 
WWUS43 KABR 310446 CCA
WSWABR

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE ABERDEEN SD
1045 PM CST THU DEC 30 2010

...MAJOR WINTER STORM ACROSS THE REGION...

.THE FIRST OF TWO POTENT LOW PRESSURE SYSTEMS AFFECTING THE REGION
IS MOVING NORTHEAST INTO MINNESOTA...TAKING THE SIGNIFICANT
FALLING AND BLOWING SNOW WITH IT. INITIAL INDICATIONS ARE THAT
THIS FIRST LOW PRESSURE SYSTEM PRODUCED ANYWHERE FROM 2 TO 7
INCHES OF NEW SNOW ACCUMULATION AND WIDESPREAD BLIZZARD
CONDITIONS OVER THE FORECAST AREA...WITH THE HIGHER SNOW
ACCUMULATIONS ACROSS FAR NORTHEAST SOUTH DAKOTA AND WEST CENTRAL
MINNESOTA. IN FACT...FAR NORTHEAST SOUTH DAKOTA AND WEST CENTRAL
MINNESOTA WILL REMAIN IN WIDESPREAD BLIZZARD CONDITIONS FOR
SEVERAL MORE HOURS BEFORE VISIBILITIES IMPROVE TO ONE HALF MILE OR
BETTER. SNOW IS TAPERING OFF ELSEWHERE...AND VISIBILITIES ARE
IMPROVING TO ONE TO TWO MILES. BUT...DO NOT MISTAKE IMPROVING
VISIBILITIES WITH IMPROVING TRAVEL CONDITIONS. BLOWING AND
DRIFTING SNOW WILL REMAIN A PROBLEM FOR THE REST OF THE NIGHT WITH
VISIBILITIES IN BLOWING SNOW OCCASIONALLY BRIEFLY FALLING TO ONE
HALF MILE OR LESS. WIND CHILLS WILL ALSO COMPOUND THE CONTINUING
TREACHEROUS TRAVEL SITUATION WITH VALUES RANGING BETWEEN 20 BELOW
AND 30 BELOW ZERO OVERNIGHT.

THE SECOND STRONG WINTER STORM SYSTEM IS LIFTING NORTHEAST OUT OF
THE ROCKY MOUNTAINS AT THIS TIME...AND IS ALREADY SPREADING SNOW
NORTH THROUGH PORTIONS OF WYOMING AND NEBRASKA. THIS LOW PRESSURE
SYSTEM WILL TRACK NORTHEAST THROUGH THE NORTHERN PLAINS FRIDAY AND
FRIDAY NIGHT...BRINGING A SECOND ROUND OF MODERATE TO HEAVY
SNOW...ALONG WITH MORE PROBLEMATIC BLOWING AND DRIFTING SNOW AND
REDUCED VISIBILITIES. THAT SECOND STORM WILL GRADUALLY MOVE OUT
DURING THE FIRST PART OF NEW YEARS DAY.

SDZ033>037-045-048-051-311300-
/O.CAN.KABR.BZ.W.0004.000000T0000Z-101231T0900Z/
/O.NEW.KABR.WW.Y.0027.101231T0445Z-101231T0900Z/
/O.CON.KABR.WS.W.0008.101231T0900Z-110101T1500Z/
STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...FORT PIERRE...ONIDA...PIERRE...
HIGHMORE...MILLER...MURDO...PRESHO...FORT THOMPSON
1045 PM CST THU DEC 30 2010 /945 PM MST THU DEC 30 2010/

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 AM CST /2 AM MST/
FRIDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM CST /2 AM
MST/ FRIDAY TO 9 AM CST /8 AM MST/ SATURDAY...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WINTER
WEATHER ADVISORY FOR THE COMBINATION OF BLOWING SNOW AND
DANGEROUSLY LOW WIND CHILLS...WHICH IS IN EFFECT UNTIL 3 AM CST
/2 AM MST/ FRIDAY. THE BLIZZARD WARNING HAS BEEN CANCELLED. A
WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM CST /2 AM MST/
FRIDAY TO 9 AM CST /8 AM MST/ SATURDAY.

* SNOWFALL HAS TAPERED OFF TO MAINLY FLURRIES THIS EVENING.
  HOWEVER...BY EARLY FRIDAY MORNING THE NEXT ROUND OF MODERATE TO
  HEAVY SNOW MOVES BACK INTO CENTRAL SOUTH DAKOTA. MODERATE TO
  HEAVY SNOW WILL THEN PERSIST INTO FRIDAY NIGHT.

* STORM TOTAL SNOWFALL AMOUNTS FRIDAY AND FRIDAY NIGHT WILL RANGE
  FROM 8 TO 12 INCHES.

* NORTH TO NORTHWEST WINDS OF 20 TO 30 MPH WILL PERSIST THE REST
  OF TONIGHT...PRODUCING CONTINUED BLOWING AND DRIFTING SNOW. SOME
  AREAS MAY SEE BRIEF REDUCTIONS IN VISIBILITY TO ONE HALF MILE OR
  LESS. HOWEVER...WHEN MODERATE TO HEAVY SNOW RETURNS TO THE AREA
  ON FRIDAY...SIGNIFICANT VISIBILITY REDUCTIONS MAY ONCE AGAIN BE
  POSSIBLE DUE TO THE COMBINATION OF FALLING AND BLOWING SNOW.

* WIND CHILL VALUES OF 20 BELOW TO 30 BELOW ZERO ARE OCCURRING AND
  WILL CONTINUE THROUGH FRIDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$

SDZ003>005-009-010-015>017-311300-
/O.CAN.KABR.BZ.W.0004.000000T0000Z-101231T0900Z/
/O.NEW.KABR.WW.Y.0027.101231T0445Z-101231T1500Z/
/O.CON.KABR.WS.W.0008.101231T1500Z-110101T1800Z/
CORSON-CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-DEWEY-POTTER-FAULK-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...EUREKA...
MOBRIDGE...IPSWICH...TIMBER LAKE...GETTYSBURG...FAULKTON
1045 PM CST THU DEC 30 2010 /945 PM MST THU DEC 30 2010/

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM CST /8 AM MST/
FRIDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM CST /8 AM
MST/ FRIDAY TO NOON CST /11 AM MST/ SATURDAY...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WINTER
WEATHER ADVISORY FOR THE COMBINATION OF BLOWING SNOW AND
DANGEROUSLY LOW WIND CHILLS...WHICH IS IN EFFECT UNTIL 9 AM CST /8
AM MST/ FRIDAY. THE BLIZZARD WARNING HAS BEEN CANCELLED. A
WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM CST /8 AM MST/
FRIDAY TO NOON CST /11 AM MST/ SATURDAY.

* SNOW IS TAPERING OFF TO MAINLY FLURRIES ACROSS THE REGION.
  HOWEVER...BY MID TO LATE FRIDAY MORNING THE NEXT ROUND OF
  MODERATE TO HEAVY SNOW MOVES BACK INTO CENTRAL AND NORTH CENTRAL
  SOUTH DAKOTA. MODERATE TO HEAVY SNOW WILL THEN PERSIST INTO
  FRIDAY NIGHT.

* STORM TOTAL SNOWFALL AMOUNTS FRIDAY AND FRIDAY NIGHT WILL RANGE
  FROM 8 TO 12 INCHES.

* NORTH TO NORTHWEST WINDS OF 20 TO 30 MPH WILL PERSIST THE REST
  OF TONIGHT...PRODUCING CONTINUED BLOWING AND DRIFTING SNOW. SOME
  AREAS MAY SEE BRIEF REDUCTIONS IN VISIBILITY TO ONE HALF MILE OR
  LESS. HOWEVER...WHEN MODERATE TO HEAVY SNOW RETURNS TO THE AREA
  ON FRIDAY...SIGNIFICANT VISIBILITY REDUCTIONS MAY ONCE AGAIN BE
  POSSIBLE DUE TO THE COMBINATION OF FALLING AND BLOWING SNOW.

* WIND CHILL VALUES OF 20 BELOW TO 30 BELOW ZERO ARE OCCURRING AND
  WILL CONTINUE THROUGH FRIDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.


&&

$$

SDZ006-011-018>020-022-023-311300-
/O.CAN.KABR.BZ.W.0004.000000T0000Z-101231T0900Z/
/O.NEW.KABR.WW.Y.0027.101231T0445Z-101231T1500Z/
/O.CON.KABR.WS.W.0009.101231T1500Z-110101T1800Z/
BROWN-DAY-SPINK-CLARK-CODINGTON-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...ABERDEEN...WEBSTER...REDFIELD...CLARK...
WATERTOWN...CASTLEWOOD...CLEAR LAKE
1045 PM CST THU DEC 30 2010

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM CST FRIDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM FRIDAY TO
NOON CST SATURDAY...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WINTER
WEATHER ADVISORY FOR THE COMBINATION OF BLOWING SNOW AND
DANGEROUSLY LOW WIND CHILLS...WHICH IS IN EFFECT UNTIL 9 AM CST FRIDAY.
THE BLIZZARD WARNING HAS BEEN CANCELLED. A WINTER STORM WARNING
REMAINS IN EFFECT FROM 9 AM FRIDAY TO NOON CST SATURDAY.

* SNOW IS TAPERING OFF TO MAINLY FLURRIES ACROSS THE REGION.
  HOWEVER...BY MID TO LATE FRIDAY MORNING THE NEXT ROUND OF
  MODERATE TO HEAVY SNOW MOVES BACK INTO CENTRAL AND NORTH CENTRAL
  SOUTH DAKOTA. MODERATE TO HEAVY SNOW WILL THEN PERSIST INTO
  FRIDAY NIGHT.

* STORM TOTAL SNOWFALL AMOUNTS FRIDAY AND FRIDAY NIGHT WILL RANGE
  FROM 8 TO 12 INCHES.

* NORTH TO NORTHWEST WINDS OF 20 TO 30 MPH WILL PERSIST THE REST
  OF TONIGHT...PRODUCING CONTINUED BLOWING AND DRIFTING SNOW. SOME
  AREAS MAY SEE BRIEF REDUCTIONS IN VISIBILITY TO ONE HALF MILE OR
  LESS. HOWEVER...WHEN MODERATE TO HEAVY SNOW RETURNS TO THE AREA
  ON FRIDAY...SIGNIFICANT VISIBILITY REDUCTIONS MAY ONCE AGAIN BE
  POSSIBLE DUE TO THE COMBINATION OF FALLING AND BLOWING SNOW.

* WIND CHILL VALUES OF 20 BELOW TO 30 BELOW ZERO ARE OCCURRING AND
  WILL CONTINUE THROUGH FRIDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$

MNZ039-046-SDZ007-008-021-311300-
/O.COR.KABR.WW.Y.0027.101231T0900Z-101231T1500Z/
/O.COR.KABR.BZ.W.0004.000000T0000Z-101231T0900Z/
/O.COR.KABR.WS.W.0009.101231T1500Z-110101T1800Z/
TRAVERSE-BIG STONE-MARSHALL-ROBERTS-GRANT-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...BRITTON...
SISSETON...MILBANK
1045 PM CST THU DEC 30 2010

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 AM CST FRIDAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 9 AM CST
FRIDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM FRIDAY TO
NOON CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WINTER
WEATHER ADVISORY FOR THE COMBINATION OF BLOWING SNOW AND
DANGEROUSLY LOW WIND CHILLS...WHICH IS IN EFFECT FROM 3 AM TO 9 AM
CST FRIDAY. A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 AM CST
FRIDAY. A WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM FRIDAY
TO NOON CST SATURDAY.

* LIGHT TO OCCASIONALLY MODERATE SNOW WILL CONTINUE ACROSS FAR
  NORTHEAST SOUTH DAKOTA AND WEST CENTRAL MINNESOTA FOR A FEW MORE
  HOURS TONIGHT. AN INCH OR TWO OF ADDITIONAL SNOW ACCUMULATION IS
  LIKELY. WHEN COMBINED WITH THE 25 TO 40 MPH SUSTAINED NORTH
  WINDS OVER THIS AREA...WIDESPREAD BLIZZARD CONDITIONS ARE
  EXPECTED TO PERSIST THROUGH LATE TONIGHT. BY EARLY FRIDAY
  MORNING...SNOWFALL WILL TAPER OFF TO FLURRIES AND WIND SPEEDS
  WILL DECREASE TO 20 TO 30 MPH...RESULTING IN IMPROVING
  VISIBILITY.

* BY MID DAY ON FRIDAY...MODERATE TO HEAVY SNOW MOVES BACK INTO
  THE AREA...AND PERSISTS THROUGH SATURDAY MORNING.

* STORM TOTAL SNOWFALL AMOUNTS OF 8 TO 12 INCHES CAN BE EXPECTED
  FRIDAY THROUGH EARLY SATURDAY MORNING.

* BY EARLY FRIDAY MORNING...DECREASING WIND SPEEDS AND SNOW
  FLURRIES WILL HELP IMPROVED VISIBILITY...BRINGING AN END TO
  BLIZZARD CONDITIONS. HOWEVER...BLOWING AND DRIFTING SNOW WILL
  STILL CREATE TREACHEROUS TRAVEL CONDITIONS...ESPECIALLY WHEN
  COMBINED WITH THE 20 BELOW TO 30 BELOW ZERO WIND CHILLS IN
  PLACE. THESE DANGEROUSLY LOW WIND CHILLS WILL REMAIN THROUGH
  EARLY SATURDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$

DORN
974 
WWUS43 KABR 310906
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
306 AM CST FRI DEC 31 2010

...MAJOR WINTER STORM ACROSS THE REGION...

.A SECOND STRONG AREA OF LOW PRESSURE WILL LIFT ACROSS THE AREA
TODAY...AND PRODUCE MODERATE TO HEAVY SNOWFALL...ALONG WITH
STRONG NORTH WINDS OF 25 TO 35 MPH. WIND GUSTS COULD EXCEED 45
MPH BY LATER THIS AFTERNOON FOR LOCATIONS ALONG AND WEST OF THE
JAMES RIVER VALLEY. STRONG NORTH WINDS WILL DEVELOP EAST OF THE
JAMES RIVER DURING THE AFTERNOON HOURS. THE STRONG WINDS...IN
COMBINATION WITH MODERATE TO HEAVY SNOWFALL...WILL RESULT IN
WIDESPREAD VISIBILITIES NEAR ZERO TODAY THROUGH EARLY SATURDAY
MORNING. STORM TOTAL SNOWFALL AMOUNTS OF 8 TO 12 INCHES ARE
EXPECTED BY EARLY SATURDAY MORNING.

SDZ021-311715-
/O.CAN.KABR.BZ.W.0004.000000T0000Z-101231T0900Z/
/O.CAN.KABR.WS.W.0009.101231T1500Z-110101T1800Z/
/O.NEW.KABR.BZ.W.0005.101231T1500Z-110101T1800Z/
/O.CON.KABR.WW.Y.0027.000000T0000Z-101231T1500Z/
GRANT-
INCLUDING THE CITY OF...MILBANK
306 AM CST FRI DEC 31 2010

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS
MORNING...
...BLIZZARD WARNING IN EFFECT FROM 9 AM THIS MORNING TO NOON CST
SATURDAY...
...BLIZZARD WARNING IS CANCELLED...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO NOON CST
SATURDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. THE WINTER
WEATHER ADVISORY IS NOW IN EFFECT UNTIL 9 AM CST THIS MORNING.

* EARLY THIS MORNING...THE COMBINATION OF STRONG NORTHWEST WINDS
  AND BITTER COLD TEMPERATURES WILL RESULT IN WIND CHILL VALUES
  BETWEEN 20 TO 25 DEGREES BELOW ZERO. THESE BITTER COLD WIND
  CHILLS WILL REMAIN THROUGH ACROSS THE REGION THROUGH EARLY
  SATURDAY MORNING.

* BY LATE AFTERNOON...MODERATE TO HEAVY SNOW WILL MOVE BACK INTO
  THE AREA...AND PERSIST THROUGH SATURDAY MORNING. SNOWFALL RATES
  OF AN INCH OR TWO AN HOUR WILL BE POSSIBLE THIS AFTERNOON.

* STORM TOTAL SNOWFALL AMOUNTS OF 8 TO 12 INCHES ARE EXPECTED
  BY EARLY SATURDAY MORNING.

* THE COMBINATION OF STRONG WINDS OF 25 TO 35 MPH AND MODERATE TO
  HEAVY SNOWFALL WILL RESULT IN BLOWING AND DRIFTING SNOW. A
  REDUCTION IN VISIBILITIES TO NEAR ZERO ARE EXPECTED TO DEVELOP
  BY MID TO LATE AFTERNOON...AND CONTINUE THROUGH EARLY SATURDAY
  MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

MNZ039-046-SDZ007-008-311715-
/O.CAN.KABR.BZ.W.0004.000000T0000Z-101231T0900Z/
/O.CAN.KABR.WS.W.0009.101231T1500Z-110101T1800Z/
/O.NEW.KABR.BZ.W.0005.101231T1500Z-110101T1800Z/
/O.CON.KABR.WW.Y.0027.000000T0000Z-101231T1500Z/
TRAVERSE-BIG STONE-MARSHALL-ROBERTS-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...BRITTON...
SISSETON
306 AM CST FRI DEC 31 2010

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS
MORNING...
...BLIZZARD WARNING IN EFFECT FROM 9 AM THIS MORNING TO NOON CST
SATURDAY...
...BLIZZARD WARNING IS CANCELLED...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO NOON CST
SATURDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. THE WINTER
WEATHER ADVISORY IS NOW IN EFFECT UNTIL 9 AM CST THIS MORNING.

* EARLY THIS MORNING...THE COMBINATION OF STRONG NORTHWEST WINDS
  AND BITTER COLD TEMPERATURES WILL RESULT IN WIND CHILL VALUES
  BETWEEN 20 TO 25 DEGREES BELOW ZERO. THESE BITTER COLD WIND
  CHILLS WILL REMAIN THROUGH ACROSS THE REGION THROUGH EARLY
  SATURDAY MORNING.

* BY LATE AFTERNOON...MODERATE TO HEAVY SNOW WILL MOVE BACK INTO
  THE AREA...AND PERSIST THROUGH SATURDAY MORNING. SNOWFALL RATES
  OF AN INCH OR TWO AN HOUR WILL BE POSSIBLE THIS AFTERNOON.

* STORM TOTAL SNOWFALL AMOUNTS OF 8 TO 12 INCHES ARE EXPECTED
  BY EARLY SATURDAY MORNING.

* THE COMBINATION OF STRONG WINDS OF 25 TO 35 MPH AND MODERATE TO
  HEAVY SNOWFALL WILL RESULT IN BLOWING AND DRIFTING SNOW. A
  REDUCTION IN VISIBILITIES TO NEAR ZERO ARE EXPECTED TO DEVELOP
  BY MID TO LATE AFTERNOON...AND CONTINUE THROUGH EARLY SATURDAY
  MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

SDZ033>037-045-048-051-311715-
/O.CAN.KABR.WS.W.0008.000000T0000Z-110101T1500Z/
/O.CAN.KABR.WW.Y.0027.000000T0000Z-101231T0900Z/
/O.NEW.KABR.BZ.W.0005.101231T0906Z-110101T1800Z/
STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...FORT PIERRE...ONIDA...PIERRE...
HIGHMORE...MILLER...MURDO...PRESHO...FORT THOMPSON
306 AM CST FRI DEC 31 2010 /206 AM MST FRI DEC 31 2010/

...BLIZZARD WARNING IN EFFECT UNTIL NOON CST /11 AM MST/
SATURDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL NOON CST /11 AM MST/ SATURDAY.
THE WINTER STORM WARNING HAS BEEN CANCELLED. THE WINTER WEATHER
ADVISORY HAS BEEN CANCELLED. 

* MODERATE TO HEAVY SNOW WILL MOVE BACK INTO CENTRAL SOUTH DAKOTA
  TODAY...AND WILL PERSIST THOUGH TONIGHT. SNOWFALL RATES OF AN
  INCH OR TWO AN HOUR WILL BE POSSIBLE BY LATE THIS MORNING.

* STORM TOTAL SNOWFALL AMOUNTS OF 8 TO 12 INCHES ARE EXPECTED
  BY EARLY SATURDAY MORNING.

* THE COMBINATION OF STRONG WINDS OF 25 TO 35 MPH...WITH GUSTS
  EXCEEDING 45 MPH...AND MODERATE TO HEAVY SNOWFALL WILL RESULT IN
  BLOWING AND DRIFTING SNOW. A REDUCTION IN VISIBILITIES TO NEAR
  ZERO ARE EXPECTED THIS MORNING...AND CONTINUE THROUGH EARLY
  SATURDAY MORNING.

* WIND CHILL VALUES OF 20 BELOW TO 25 BELOW ZERO ARE OCCURRING AND
  WILL CONTINUE THROUGH SATURDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

SDZ003>005-009-010-015>017-311715-
/O.CAN.KABR.WS.W.0008.101231T1500Z-110101T1800Z/
/O.NEW.KABR.BZ.W.0005.101231T1500Z-110101T1800Z/
/O.CON.KABR.WW.Y.0027.000000T0000Z-101231T1500Z/
CORSON-CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-DEWEY-POTTER-FAULK-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...EUREKA...
MOBRIDGE...IPSWICH...TIMBER LAKE...GETTYSBURG...FAULKTON
306 AM CST FRI DEC 31 2010 /206 AM MST FRI DEC 31 2010/

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST /8 AM
MST/ THIS MORNING...
...BLIZZARD WARNING IN EFFECT FROM 9 AM CST /8 AM MST/ THIS
MORNING TO NOON CST /11 AM MST/ SATURDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 9 AM CST /8 AM MST/ THIS
MORNING TO NOON CST /11 AM MST/ SATURDAY. THE WINTER STORM
WARNING HAS BEEN CANCELLED. A WINTER WEATHER ADVISORY REMAINS IN
EFFECT UNTIL 9 AM CST /8 AM MST/ THIS MORNING. 

* EARLY THIS MORNING...THE COMBINATION OF STRONG NORTHWEST WINDS
  AND BITTER COLD TEMPERATURES WILL RESULT IN WIND CHILL VALUES
  BETWEEN 20 TO 25 DEGREES BELOW ZERO. THESE BITTER COLD WIND
  CHILLS WILL REMAIN THROUGH ACROSS THE REGION THROUGH EARLY
  SATURDAY MORNING.

* BY AFTERNOON...MODERATE TO HEAVY SNOW WILL MOVE BACK INTO THE
  AREA...AND PERSIST THROUGH SATURDAY MORNING. SNOWFALL RATES OF
  AN INCH OR TWO AN HOUR WILL BE POSSIBLE THIS AFTERNOON.

* STORM TOTAL SNOWFALL AMOUNTS OF 8 TO 12 INCHES CAN BE EXPECTED
  BY EARLY SATURDAY MORNING.

* THE COMBINATION OF STRONG WINDS OF 25 TO 35 MPH AND MODERATE TO
  HEAVY SNOWFALL WILL RESULT IN BLOWING AND DRIFTING SNOW. A
  REDUCTION IN VISIBILITIES TO NEAR ZERO ARE EXPECTED TO DEVELOP
  BY MID TO LATE AFTERNOON...AND CONTINUE THROUGH EARLY SATURDAY
  MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

SDZ006-011-018>020-022-023-311715-
/O.CAN.KABR.WS.W.0009.101231T1500Z-110101T1800Z/
/O.NEW.KABR.BZ.W.0005.101231T1500Z-110101T1800Z/
/O.CON.KABR.WW.Y.0027.000000T0000Z-101231T1500Z/
BROWN-DAY-SPINK-CLARK-CODINGTON-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...ABERDEEN...WEBSTER...REDFIELD...CLARK...
WATERTOWN...CASTLEWOOD...CLEAR LAKE
306 AM CST FRI DEC 31 2010

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...
...BLIZZARD WARNING IN EFFECT FROM 9 AM THIS MORNING TO NOON CST
SATURDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO NOON CST
SATURDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. A WINTER
WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING. 

* EARLY THIS MORNING...THE COMBINATION OF STRONG NORTHWEST WINDS
  AND BITTER COLD TEMPERATURES WILL RESULT IN WIND CHILL VALUES
  BETWEEN 20 TO 25 DEGREES BELOW ZERO. THESE BITTER COLD WIND
  CHILLS WILL REMAIN THROUGH ACROSS THE REGION THROUGH EARLY
  SATURDAY MORNING.

* BY LATE MORNING...MODERATE TO HEAVY SNOW WILL MOVE BACK INTO THE
  AREA...AND PERSIST THROUGH SATURDAY MORNING. SNOWFALL RATES OF
  AN INCH OR TWO AN HOUR WILL BE POSSIBLE THIS AFTERNOON.

* STORM TOTAL SNOWFALL AMOUNTS OF 8 TO 12 INCHES CAN BE EXPECTED
  BY EARLY SATURDAY MORNING.

* THE COMBINATION OF STRONG WINDS OF 25 TO 35 MPH AND MODERATE TO
  HEAVY SNOWFALL WILL RESULT IN BLOWING AND DRIFTING SNOW. A
  REDUCTION IN VISIBILITIES TO NEAR ZERO ARE EXPECTED TO DEVELOP
  BY MID TO LATE AFTERNOON...AND CONTINUE THROUGH EARLY SATURDAY
  MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.


&&

$$

What forecasters said that day

The local office's own words before this blizzard 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 blizzard warning went out at Dec 30, 10:47 AM CST, 1 hour 44 minutes earlier.

Area forecast discussion, Dec 30, 10:47 AM CST, 1 hour 44 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE ABERDEEN SD
1047 AM CST THU DEC 30 2010

.UPDATE...

BASED OFF RADAR TRENDS AND LATEST HI RESOLUTION MODELS AND 09Z SREF...FELT
IT PRUDENT TO UPGRADE NORTHEAST CWA TO A WINTER STORM WARNING. NEW NAM
BUFR SOUNDINGS CONTINUE TO INDICATE FAST CHANGEOVER TO SNOW AS
DECENT UVM OVERSPREADS THE AREA. WITH PWATS AROUND 1/2 INCH OR
SO...EXPECT SOME 5 TO 7 INCH AMOUNTS AFTER INITIAL FREEZING
RAIN/DRIZZLE. THERE WILL STILL BE A BREAK BETWEEN SYSTEMS WITH
MORE HEAVY SNOW EXPECTED FOR FRIDAY AND INTO FRIDAY EVENING.
UPDATES ALREADY ISSUED.

&&
.PREV DISCUSSION...

.SHORT TERM...TODAY THROUGH SATURDAY

TWO DIFFERENT STORM SYSTEMS AND THEIR IMPACTS WILL CONTINUE TO BE
THE FORECAST CHALLENGE.

THE FIRST STORM SYSTEM IS EXPECTED TO LIFT NORTHEAST FROM THE
CENTRAL PLAINS THIS MORNING...TO NORTHERN MN BY 06Z TONIGHT. AS
THE LOW PRESSURE SYSTEM PASSES SE OF THE REGION...IT WILL WRAP
MOISTURE WESTWARD INTO THE COLD SECTION OF THE STORM...OR ACROSS
THE EASTERN DAKOTAS. THERE IS DECENT LIFT IN THE SNOW GROWTH REGION
BY 18Z TODAY...AND WHEN COMBINED WITH A COUPLED JET ALOFT COULD
RESULT IN MODERATE TO HEAVY SNOWFALL THIS AFTERNOON. BASED ON THE
AMOUNT OF LIFT AND AVAILABLE MOISTURE...THOUGHT ABOUT UPGRADING
THE ADVISORY TO A WINTER STORM WARNING FOR THE NE CWA. HOWEVER DUE
TO THE PROGRESSION OF THIS SYSTEM...WHICH SHOULD IMPACT THE REGION
FOR ABOUT 6 TO 10 HOURS...SHOULD RESULT IN SNOWFALL AMOUNTS
BETWEEN 3 TO 5 INCHES. THE FIRST STORM SYSTEM SHOULD EXIT THE AREA
AROUND 3Z TONIGHT...AND WILL LEAVE STRONG NW WINDS AND BITTER COLD
TEMPERATURES IN IT'S WAKE. BASED ON THE POSSIBILITY OF BLOWING
SNOW AND WIND CHILL VALUES OF 20 TO 30 DEGREES BELOW ZERO...HAVE
DECIDED TO EXTEND THE TIMING OF THE WINTER WEATHER ADVISORY TO
MEET THE START TIME OF THE WINTER STORM WARNING.

THE SECOND STORM SYSTEM WILL TAKE A SIMILAR TRACK TO THE FIRST
ONE...HOWEVER THIS SYSTEM WILL BE MUCH STRONGER. MADE A FEW
CHANGES TO THE FORECAST WITH THIS STORM SYSTEM...MAINLY TO
INCREASE POPS AND WINDS. WITH THE INCREASE IN WINDS...HAVE ADDED
DEFINITE BLOWING SNOW INTO THE FORECAST. THOUGHT ABOUT MENTIONING
PERIODS OF HEAVY SNOW FOR FRIDAY AFTERNOON AS THE 21Z SREF HAD A
50 PERCENT PROBABILITY OF SNOWFALL RATES AROUND 2 INCHES AN HOUR.
THE PROBABILITY OF SNOWFALL RATES AROUND AN INCH AN HOUR WAS BETWEEN
70 TO 90 PERCENT ACROSS THE CWA. WITH INCREASING WINDS...AND
MODERATE TO HEAVY SNOWFALL...WILL NEED TO MONITOR THIS SYSTEM FOR
THE POSSIBILITY OF UPGRADING TO A BLIZZARD WARNING.

.LONG TERM...SATURDAY NIGHT THROUGH TUESDAY

THE LONG RANGE STARTS OUT FAIRLY QUIETLY...DRY BUT COLD. THE COLD
TEMPERATURES WILL REMAIN IN PLACE THROUGH EARLY NEXT WEEK. THERE
IS A SHORTWAVE THAT WILL SKIRT THE NORTHERN PLAINS ON
MONDAY/MONDAY NIGHT. THE EC AND GFS HAVE DISTINCTLY DIFFERENT
SOLUTIONS WITH THIS FEATURE. THE GFS KEEPS IT OUT OF NORTHERN SD
COMPLETELY WHILE THE EC DROPS IT DOWN INTO THE NORTHERN TIER
COUNTIES AND SWINGS IT SOUTHEAST INTO MN. DECIDED TO ADD SOME
SLIGHT CHANCE POPS FOR MONDAY NIGHT BASED ON EC...BUT KEPT THEM
FARTHER EAST FROM THE I-29 CORRIDOR INTO WEST CENTRAL MN TO GIVE
SOME WEIGHT TO THE GFS.

&&

.AVIATION...
12Z/18Z TAFS FOR THE KABR...KATY...KPIR AND KMBG TERMINALS

FIRST SYSTEM MAINLY EFFECTING KABR/KATY TERMINALS WITH IFR
VISBY/CIGS DUE TO SNOW AND BLOWING SNOW. FARTHER WEST...KPIR/KMBG
TERMINALS WILL EXPERIENCE INTERMITTENT IFR CONDITIONS WITH LESS
INTENSE SNOWFALL. NORTH/NORTHEAST WINDS OF APPROXIMATELY 20G30KT
THROUGH MOST OF THE DAY AND INTO THE EVENING. IMPROVING CONDITIONS
OVERNIGHT INTO FRIDAY AM...HOWEVER LIGHT MVFR SNOW AND IFR LOW
CIGS WILL PROBABLY PERSIST IN BETWEEN SYSTEMS. SECOND SYSTEM WILL
MOVE UP FROM THE SOUTH AND WEST...WITH REDUCED VISBY DUE TO
+SN/BLOWING SNOW STARTING FRIDAY AM AT KPIR...AND BY MID DAY FOR
KATY/KMBG/KABR TERMINALS.

&&

.ABR WATCHES/WARNINGS/ADVISORIES...
SD...WINTER WEATHER ADVISORY UNTIL 3 AM CST /2 AM MST/ FRIDAY FOR
     BUFFALO-CAMPBELL-CORSON-DEWEY-EDMUNDS-FAULK-HAND-HUGHES-
     HYDE-JONES-LYMAN-MCPHERSON-POTTER-STANLEY-SULLY-WALWORTH.

     WINTER STORM WARNING FROM 6 AM CST /5 AM MST/ FRIDAY TO NOON CST
     /11 AM MST/ SATURDAY FOR BROWN-CAMPBELL-CLARK-CODINGTON-
     CORSON-DAY-DEUEL-DEWEY-EDMUNDS-FAULK-GRANT-HAMLIN-MARSHALL-
     MCPHERSON-POTTER-ROBERTS-SPINK-WALWORTH.

     WINTER STORM WARNING UNTIL 3 AM CST FRIDAY FOR BROWN-CLARK-
     CODINGTON-DAY-DEUEL-GRANT-HAMLIN-MARSHALL-ROBERTS-SPINK.

     WINTER STORM WARNING FROM 3 AM CST /2 AM MST/ FRIDAY TO 9 AM CST
     /8 AM MST/ SATURDAY FOR BUFFALO-HAND-HUGHES-HYDE-JONES-
     LYMAN-STANLEY-SULLY.

MN...WINTER STORM WARNING FROM 6 AM FRIDAY TO NOON CST SATURDAY FOR
     BIG STONE-TRAVERSE.

     WINTER STORM WARNING UNTIL 3 AM CST FRIDAY FOR BIG STONE-
     TRAVERSE.

&&

UPDATE...TDK
SHORT TERM...SD
LONG TERM...WISE
AVIATION...CONNELLY

WEATHER.GOV/ABERDEEN
Hazardous weather outlook, Dec 30, 10:26 AM CST, 2 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ABERDEEN SD
1026 AM CST THU DEC 30 2010

SDZ003>005-009-010-015>017-311630-
CORSON-CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-DEWEY-POTTER-FAULK-
1026 AM CST THU DEC 30 2010 /926 AM MST THU DEC 30 2010/

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

.DAY ONE...TODAY AND TONIGHT

SNOWFALL AMOUNTS OF 2 TO 5 INCHES ARE POSSIBLE THROUGH LATE THIS
EVENING. THE SNOW...ALONG WITH STRONG NORTH WINDS WILL RESULT
IN AREAS OF BLOWING AND DRIFTING SNOW...ALONG WITH REDUCED
VISIBILITIES AND HAZARDOUS TRAVEL CONDITIONS. WIND CHILL VALUES OF
15 BELOW TO 30 BELOW ZERO ALSO POSSIBLE TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A MUCH STRONGER STORM SYSTEM IS EXPECTED TO TRACK ACROSS THE
REGION FRIDAY THROUGH EARLY SATURDAY MORNING. THIS STORM SYSTEM
HAS THE POTENTIAL TO PRODUCE SNOWFALL AMOUNTS BETWEEN 4 TO 9
INCHES ACROSS MOST OF THE REGION. STRONG NORTH TO NORTHWEST WINDS
OF 20 TO 35 MPH WILL ACCOMPANY THIS STORM SYSTEM WHICH MAY RESULT
IN BLOWING AND DRIFTING SNOW...ALONG WITH A REDUCTION IN
VISIBILITIES. WIND CHILL VALUES OF 15 BELOW TO 30 BELOW ZERO ALSO
POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. HOWEVER
REPORTS OF FREEZING PRECIPITATION...AS WELL AS SNOWFALL AMOUNTS
WOULD GREATLY BE APPRECIATED.

SDZ033>037-045-048-051-311630-
STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
1026 AM CST THU DEC 30 2010 /926 AM MST THU DEC 30 2010/

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

.DAY ONE...TODAY AND TONIGHT

A STORM SYSTEM WILL MOVE ACROSS THE REGION TODAY AND TONIGHT.
SNOW...ALONG WITH STRONG NORTH WINDS...WILL RESULT IN AREAS OF
BLOWING AND DRIFTING SNOW ALONG WITH REDUCED VISIBILITIES. SNOW
ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A MUCH STRONGER STORM SYSTEM IS EXPECTED TO TRACK ACROSS THE
REGION FRIDAY THROUGH EARLY SATURDAY MORNING. THIS STORM SYSTEM
HAS THE POTENTIAL TO PRODUCE SNOWFALL AMOUNTS BETWEEN 4 TO 9
INCHES ACROSS MOST OF THE REGION. STRONG NORTH TO NORTHWEST WINDS
OF 20 TO 35 MPH WILL ACCOMPANY THIS STORM SYSTEM WHICH MAY RESULT
IN BLOWING AND DRIFTING SNOW...ALONG WITH A REDUCTION IN
VISIBILITIES. WIND CHILL VALUES OF 15 BELOW TO 30 BELOW ZERO ALSO
POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. HOWEVER
REPORTS OF FREEZING PRECIPITATION...AS WELL AS SNOWFALL AMOUNTS
WOULD GREATLY BE APPRECIATED.

MNZ039-046-SDZ006>008-011-018>023-311630-
TRAVERSE-BIG STONE-BROWN-MARSHALL-ROBERTS-DAY-SPINK-CLARK-
CODINGTON-GRANT-HAMLIN-DEUEL-
1026 AM CST THU DEC 30 2010

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

.DAY ONE...TODAY AND TONIGHT

SNOWFALL AMOUNTS OF 4 TO 7 INCHES ARE POSSIBLE THROUGH LATE THIS
EVENING. THE SNOW...ALONG WITH STRONG NORTH WINDS WILL RESULT
IN AREAS OF BLOWING AND DRIFTING SNOW...ALONG WITH REDUCED
VISIBILITIES AND HAZARDOUS TRAVEL CONDITIONS. WIND CHILL VALUES OF
15 BELOW TO 30 BELOW ZERO ALSO POSSIBLE TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A MUCH STRONGER STORM SYSTEM IS EXPECTED TO TRACK ACROSS THE
REGION FRIDAY THROUGH EARLY SATURDAY MORNING. THIS STORM SYSTEM
HAS THE POTENTIAL TO PRODUCE SNOWFALL AMOUNTS BETWEEN 4 TO 9
INCHES ACROSS MOST OF THE REGION. STRONG NORTH TO NORTHWEST WINDS
OF 20 TO 35 MPH WILL ACCOMPANY THIS STORM SYSTEM WHICH MAY RESULT
IN BLOWING AND DRIFTING SNOW...ALONG WITH A REDUCTION IN
VISIBILITIES. WIND CHILL VALUES OF 15 BELOW TO 30 BELOW ZERO ALSO
POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. HOWEVER
REPORTS OF FREEZING PRECIPITATION...AS WELL AS SNOWFALL AMOUNTS
WOULD GREATLY BE APPRECIATED.

CONNELLY

In the hours before

Local storm report, Dec 30, 7:13 AM CST, 5 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
713 AM CST THU DEC 30 2010

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

0705 AM     DENSE FOG        MINA                    45.44N 98.76W
12/30/2010                   EDMUNDS            SD   LAW ENFORCEMENT

            FREEZING RAIN CAUSING SLICK ROADS. LESS THAN 1/4 MILE
            VISIBILITY.

&&

NWS

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 30, 12:31 PM CSTWinter Storm WarningABRBrown, Clark, Codington, Day, Deuel, Grant and 4 more15 hr

Nearby

Blizzard Warnings in South Dakota, 2010Blizzard Warnings in Minnesota, 2010Every blizzard warning in 2010

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.