Alert archive / South Dakota / Blizzard Warnings in 2010

Blizzard Warning 5, NWS Aberdeen, SD

December 31, 201026 counties in South Dakota; Big Stone County, Traverse County, Minnesota

NWS Aberdeen, SD issued this blizzard warning at Dec 31, 2010, 3:06 AM CST for 26 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It was in force for 33 hr. 40 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 31, 2010, 3:06 AM CST (09:06 UTC)
Expired
Jan 1, 2011, 12:00 PM CST
In force
33 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 09:06 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 31, 6:00 AM CSTSNOW 3.5Pierre, SD
Dec 31, 6:00 AM CSTSNOW 4Westport, SD
Dec 31, 7:00 AM CSTSNOW 3Turton, SD
Dec 31, 7:00 AM CSTSNOW 4Blunt, SD
Dec 31, 7:00 AM CSTSNOW 4Roy Lake State Park, SD
Dec 31, 7:00 AM CSTSNOW 4.6Selby, SD
Dec 31, 7:00 AM CSTSNOW 51 W Watertown, SD
Dec 31, 7:00 AM CSTSNOW 5Roscoe, SD
Dec 31, 7:00 AM CSTSNOW 5.43 W Sisseton, SD
Dec 31, 8:00 AM CSTSNOW 3.8Clear Lake, SD
Dec 31, 8:00 AM CSTSNOW 48 Ne Columbia, SD
Dec 31, 8:00 AM CSTSNOW 5.5Browns Valley, MN
Dec 31, 9:00 AM CSTSNOW 4.5Murdo, SD
Dec 31, 12:00 PM CSTBLIZZARDPierre, SD1/4 MILE OR LESS VISIBILITY
Dec 31, 1:00 PM CSTBLIZZARDFaulkton, SDLESS THAN 1/4 MILE VISIBILITY.
Dec 31, 1:00 PM CSTBLIZZARDOnida, SD1/8 MILE VISIBILITY
Dec 31, 1:00 PM CSTBLIZZARDOrtonville, MNLESS THAN 1/4 MILE VISIBILITY.
Dec 31, 2:00 PM CSTBLIZZARDAberdeen, SD1/4 MILE OR LESS VISIBILITY
Dec 31, 2:00 PM CSTBLIZZARDMobridge, SD1/4 MILE OR LESS VISIBILITY
Dec 31, 2:00 PM CSTBLIZZARDWatertown, SD1/4 MILE OR LESS VISIBILITY
Dec 31, 2:30 PM CSTBLIZZARD9 Nw South Shore, SDNEAR ZERO VISIBILITY
Dec 31, 2:30 PM CSTBLIZZARDEureka, SD1/8 MILE VISIBILITY, HEAVY SNOW.
Dec 31, 2:30 PM CSTBLIZZARDGettysburg, SDLESS THAN 1/8 MILE VISIBILITY
Dec 31, 2:30 PM CSTBLIZZARDMclaughlin, SD1/4 MILE VISIBILITY
Dec 31, 2:30 PM CSTBLIZZARDMound City, SDLESS THAN 1/4 MILE VISIBILITY
Dec 31, 2:30 PM CSTBLIZZARDMurdo, SDNEAR 0 VISIBILITY, WINDS GUSTING TO 45 MPH.
Dec 31, 2:30 PM CSTBLIZZARDTimber Lake, SDLESS THAN 1/4 MILE VISIBILITY
Dec 31, 2:30 PM CSTBLIZZARDWilmot, SD1/8 MILE VISIBILITY
Dec 31, 6:13 PM CSTHEAVY SNOW 9Bowdle, SD24 HOUR TOTAL. STILL SNOWING AND BLOWING.
Dec 31, 10:00 PM CSTHEAVY SNOW 13.9Sisseton, SDTWO DAY TOTAL.
Jan 1, 6:00 AM CSTHEAVY SNOW 10Watertown, SDTWO DAY TOTAL.
Jan 1, 6:00 AM CSTHEAVY SNOW 11.8Aberdeen, SDTWO DAY TOTAL.
Jan 1, 6:00 AM CSTHEAVY SNOW 13Pierre, SDTWO DAY TOTAL.
Jan 1, 7:00 AM CSTHEAVY SNOW 10.1Wheaton, MNTWO DAY TOTAL.
Jan 1, 7:00 AM CSTHEAVY SNOW 126 E Hayes, SDTWO DAY TOTAL.
Jan 1, 7:00 AM CSTHEAVY SNOW 14.33 W Sisseton, SDTWO DAY TOTAL.
Jan 1, 7:00 AM CSTHEAVY SNOW 14.3Roscoe, SDTWO DAY TOTAL.
Jan 1, 8:00 AM CSTHEAVY SNOW 8.5Browns Valley, MNTWO DAY TOTAL
Jan 1, 8:00 AM CSTHEAVY SNOW 10.7Clear Lake, SDTWO DAY TOTAL.
Jan 1, 9:00 AM CSTHEAVY SNOW 9.5Murdo, SDTWO DAY TOTAL.

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 00:00Z, 9.1 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 00:00Z on 2010-12-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2010-12-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 209 square meters per square second.193958Sfc1 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
2 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
519 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
209 m²/s²
0-3 km storm-relative helicity
347 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.

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.


&&

$$
4 follow-up statements
768 
WWUS43 KABR 311047 AAA
WSWABR

URGENT - WINTER WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE ABERDEEN SD
447 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 14 INCHES ARE
EXPECTED BY EARLY SATURDAY MORNING.

SDZ003>006-009>011-015>023-312000-
/O.CON.KABR.BZ.W.0005.101231T1500Z-110101T1800Z/
/O.CON.KABR.WW.Y.0027.000000T0000Z-101231T1500Z/
CORSON-CAMPBELL-MCPHERSON-BROWN-WALWORTH-EDMUNDS-DAY-DEWEY-POTTER-
FAULK-SPINK-CLARK-CODINGTON-GRANT-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...EUREKA...
ABERDEEN...MOBRIDGE...IPSWICH...WEBSTER...TIMBER LAKE...
GETTYSBURG...FAULKTON...REDFIELD...CLARK...WATERTOWN...MILBANK...
CASTLEWOOD...CLEAR LAKE
447 AM CST FRI DEC 31 2010 /347 AM MST FRI DEC 31 2010/

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

A BLIZZARD WARNING REMAINS IN EFFECT FROM 9 AM CST /8 AM MST/
THIS MORNING TO NOON CST /11 AM MST/ SATURDAY. 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 14 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.

&&

$$

MNZ039-046-SDZ007-008-312000-
/O.CON.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
447 AM CST FRI DEC 31 2010

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

A BLIZZARD WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
NOON CST SATURDAY. 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 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 14 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>037-045-048-051-312000-
/O.CON.KABR.BZ.W.0005.000000T0000Z-110101T1800Z/
STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...FORT PIERRE...ONIDA...PIERRE...
HIGHMORE...MILLER...MURDO...PRESHO...FORT THOMPSON
447 AM CST FRI DEC 31 2010 /347 AM MST FRI DEC 31 2010/

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST /11 AM MST/
SATURDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST /11 AM MST/
SATURDAY. 

* 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 14 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.

&&

$$
194 
WWUS43 KABR 311509
WSWABR

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

...MAJOR WINTER STORM SET TO HIT TODAY...

.A SECOND MAJOR WINTER STORM WILL IMPACT THE REGION
TODAY...PRODUCING MODERATE TO HEAVY SNOWFALL...ALONG WITH STRONG
NORTH WINDS WITH GUSTS IN EXCESS OF 45MPH. THE STRONG WINDS...IN
COMBINATION WITH MODERATE TO HEAVY SNOWFALL...WILL RESULT IN
WIDESPREAD VISIBILITIES NEAR ZERO TODAY THROUGH EARLY SATURDAY
MORNING. THE SNOWFALL ACCUMULATION FROM THIS STORM IS EXPECTED TO
RANGE BETWEEN 8 AND 14 INCHES. SNOWFALL WILL DIMINISH SATURDAY
MORNING...WITH WINDS FALLING OFF SATURDAY AFTERNOON.

MNZ039-046-SDZ003>011-015>023-312315-
/O.EXP.KABR.WW.Y.0027.000000T0000Z-101231T1500Z/
/O.CON.KABR.BZ.W.0005.000000T0000Z-110101T1800Z/
TRAVERSE-BIG STONE-CORSON-CAMPBELL-MCPHERSON-BROWN-MARSHALL-
ROBERTS-WALWORTH-EDMUNDS-DAY-DEWEY-POTTER-FAULK-SPINK-CLARK-
CODINGTON-GRANT-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...MCLAUGHLIN...
HERREID...EUREKA...ABERDEEN...BRITTON...SISSETON...MOBRIDGE...
IPSWICH...WEBSTER...TIMBER LAKE...GETTYSBURG...FAULKTON...
REDFIELD...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...CLEAR LAKE
909 AM CST FRI DEC 31 2010 /809 AM MST FRI DEC 31 2010/

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST /11 AM MST/
SATURDAY...
...WINTER WEATHER ADVISORY HAS EXPIRED...

THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. A BLIZZARD
WARNING REMAINS IN EFFECT UNTIL NOON CST /11 AM MST/ SATURDAY. 

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

* TOTAL SNOWFALL AMOUNTS WILL RANGE BETWEEN 8 TO 14 INCHES 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.

* WIND CHILL VALUES DOWN TO 40 BELOW ARE POSSIBLE 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>037-045-048-051-312315-
/O.CON.KABR.BZ.W.0005.000000T0000Z-110101T1800Z/
STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...FORT PIERRE...ONIDA...PIERRE...
HIGHMORE...MILLER...MURDO...PRESHO...FORT THOMPSON
909 AM CST FRI DEC 31 2010 /809 AM MST FRI DEC 31 2010/

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST /11 AM MST/
SATURDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST /11 AM MST/
SATURDAY. 

* 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 14 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 DOWN TO 40 BELOW ARE POSSIBLE 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.

&&

$$


CONNELLY
020 
WWUS43 KABR 311543 AAA
WSWABR

URGENT - WINTER WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE ABERDEEN SD
943 AM CST FRI DEC 31 2010

...MAJOR WINTER STORM SET TO HIT TODAY...

.A SECOND MAJOR WINTER STORM WILL IMPACT THE REGION TODAY...
PRODUCING MODERATE TO HEAVY SNOWFALL...ALONG WITH STRONG NORTH
WINDS WITH GUSTS IN EXCESS OF 45MPH. THE STRONG WINDS...IN
COMBINATION WITH MODERATE TO HEAVY SNOWFALL...WILL RESULT IN
WIDESPREAD VISIBILITIES NEAR ZERO TODAY THROUGH EARLY SATURDAY
MORNING. THE SNOWFALL ACCUMULATION FROM BOTH STORMS WORKING IN
CONCERT WILL RANGE BETWEEN 8 AND 14 INCHES...WITH DRIFTS IN EXCESS
OF 3 FEET. SNOWFALL WILL DIMINISH SATURDAY MORNING...WITH WINDS
FALLING OFF SATURDAY AFTERNOON.

SDZ033>037-045-048-051-010345-
/O.CON.KABR.BZ.W.0005.000000T0000Z-110101T1800Z/
STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...FORT PIERRE...ONIDA...PIERRE...
HIGHMORE...MILLER...MURDO...PRESHO...FORT THOMPSON
943 AM CST FRI DEC 31 2010 /843 AM MST FRI DEC 31 2010/

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST /11 AM MST/
SATURDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST /11 AM MST/
SATURDAY. 

* 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 FROM BOTH STORMS WORKING IN CONCERT
  IS EXPECTED TO RANGE FROM 8 TO 14 INCHES...WITH SNOW
  ACCUMULATION DROPPING OFF 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 DOWN TO 40 BELOW ARE POSSIBLE 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-SDZ003>011-015>023-010345-
/O.CON.KABR.BZ.W.0005.000000T0000Z-110101T1800Z/
TRAVERSE-BIG STONE-CORSON-CAMPBELL-MCPHERSON-BROWN-MARSHALL-
ROBERTS-WALWORTH-EDMUNDS-DAY-DEWEY-POTTER-FAULK-SPINK-CLARK-
CODINGTON-GRANT-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...MCLAUGHLIN...
HERREID...EUREKA...ABERDEEN...BRITTON...SISSETON...MOBRIDGE...
IPSWICH...WEBSTER...TIMBER LAKE...GETTYSBURG...FAULKTON...
REDFIELD...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...CLEAR LAKE
943 AM CST FRI DEC 31 2010 /843 AM MST FRI DEC 31 2010/

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST /11 AM MST/
SATURDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST /11 AM MST/
SATURDAY. 

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

* STORM TOTAL SNOWFALL AMOUNTS FROM BOTH STORMS WORKING IN CONCERT IS
  EXPECTED TO RANGE FROM 8 TO 14 INCHES...WITH SNOW ACCUMULATION
  DROPPING OFF 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. 

* WIND CHILL VALUES DOWN TO 40 BELOW ARE POSSIBLE 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.

&&

$$

CONNELLY
404 
WWUS43 KABR 312130
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
330 PM CST FRI DEC 31 2010

...MAJOR WINTER STORM CONTINUES...

.THE SECOND MAJOR WINTER STORM TO MOVE ACROSS THE REGION WILL
CONTINUE TO IMPACT COMMUNITIES THROUGH THE EVENING AND OVERNIGHT
HOURS...WITH MODERATE TO HEAVY SNOWFALL...AND STRONG NORTH
WINDS IN EXCESS OF 45MPH. THE STRONG WINDS...IN COMBINATION WITH
MODERATE TO HEAVY SNOWFALL...WILL RESULT IN WIDESPREAD
VISIBILITIES NEAR ZERO THROUGH SATURDAY MORNING. THE
SNOWFALL ACCUMULATION FROM BOTH STORMS WORKING IN CONCERT WILL
RANGE BETWEEN 8 AND 14 INCHES...WITH DRIFTS IN EXCESS OF 3 FEET.
SNOWFALL WILL DIMINISH SATURDAY MORNING...WITH WINDS FALLING OFF
SATURDAY AFTERNOON.

SDZ033>037-045-048-051-010930-
/O.CON.KABR.BZ.W.0005.000000T0000Z-110101T1800Z/
STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...FORT PIERRE...ONIDA...PIERRE...
HIGHMORE...MILLER...MURDO...PRESHO...FORT THOMPSON
330 PM CST FRI DEC 31 2010 /230 PM MST FRI DEC 31 2010/

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST /11 AM MST/
SATURDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST /11 AM MST/
SATURDAY. 

* MODERATE TO HEAVY SNOW WILL CONTINUE THOUGH THE EVENING AND
  OVERNIGHT. SNOWFALL RATES OF AN INCH OR TWO AN HOUR WILL BE
  POSSIBLE.

* STORM TOTAL SNOWFALL AMOUNTS FROM BOTH STORMS WORKING IN 
  CONCERT IS EXPECTED TO RANGE FROM 8 TO 14 INCHES...WITH SNOW 
  ACCUMULATION DROPPING OFF 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. REDUCTION IN VISIBILITIES TO NEAR
  ZERO IS EXPECTED TO CONTINUE THROUGH EARLY SATURDAY MORNING.

* WIND CHILL VALUES DOWN TO 40 BELOW ARE POSSIBLE 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-SDZ003>011-015>023-010930-
/O.CON.KABR.BZ.W.0005.000000T0000Z-110101T1800Z/
TRAVERSE-BIG STONE-CORSON-CAMPBELL-MCPHERSON-BROWN-MARSHALL-
ROBERTS-WALWORTH-EDMUNDS-DAY-DEWEY-POTTER-FAULK-SPINK-CLARK-
CODINGTON-GRANT-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...MCLAUGHLIN...
HERREID...EUREKA...ABERDEEN...BRITTON...SISSETON...MOBRIDGE...
IPSWICH...WEBSTER...TIMBER LAKE...GETTYSBURG...FAULKTON...
REDFIELD...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...CLEAR LAKE
330 PM CST FRI DEC 31 2010 /230 PM MST FRI DEC 31 2010/

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST /11 AM MST/
SATURDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST /11 AM MST/
SATURDAY. 

* MODERATE TO HEAVY SNOW WILL CONTINUE THROUGH SATURDAY MORNING.
  SNOWFALL RATES OF AN INCH OR TWO AN HOUR WILL BE POSSIBLE.

* STORM TOTAL SNOWFALL AMOUNTS FROM BOTH STORMS WORKING IN 
  CONCERT IS EXPECTED TO RANGE FROM 8 TO 14 INCHES...WITH SNOW 
  ACCUMULATION DROPPING OFF 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. REDUCTION IN VISIBILITIES TO NEAR
  ZERO IS EXPECTED TO CONTINUE THROUGH EARLY SATURDAY MORNING.

* WIND CHILL VALUES DOWN TO 40 BELOW ARE POSSIBLE 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.

&&

$$


CONNELLY

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, 10:18 PM CST, 4 hours 48 minutes earlier.

Area forecast discussion, Dec 30, 10:18 PM CST, 4 hours 48 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE ABERDEEN SD
1018 PM CST THU DEC 30 2010

.UPDATE...
IMPROVING VISIBILITY/WEATHER CONDITIONS NOTED ACROSS A LARGE
PORTION OF THE CWA THIS EVENING AS THIS FIRST LOW PRESSURE SYSTEM
IS LIFTING NEWD THROUGH MINNESOTA. LIGHT SNOW IS HOLDING ON ACROSS
THE FAR NORTHEAST CORNER OF THE CWA...WHERE THE STRONGEST
SUSTAINED WINDS OF 25 TO 40 MPH ARE CONTINUING. HERE...WIDESPREAD
BLIZZARD CONDITIONS ARE EXPECTED TO PERSIST FOR A FEW MORE HOURS
INTO LATE TONIGHT...BEFORE ANY IMPROVEMENT CAN BE EXPECTED. BUT
ACROSS THE REMAINDER OF THE CWA CONDITIONS ARE IMPROVING. WIND
SPEEDS HAVE DECREASED TO MORE LIKE 20 TO 30 MPH SUSTAINED AND SNOW
HAS TAPERED OFF TO FLURRIES IF IT HAS NOT COMPLETELY
ENDED...RESULTING IN A GENERAL IMPROVEMENT OF VISIBILITY TO WHERE
WIDESPREAD WHITEOUT/BLIZZARD CONDITIONS ARE NO LONGER OCCURRING.
HOWEVER...BLOWING AND DRIFTING SNOW REMAINS A PROBLEM...AND WILL
OCCASIONALLY...BRIEFLY...KNOCK VISBIES BACK DOWN TO AROUND 1/2
MILE OR LESS THROUGH THE REMAINDER OF THE OVERNIGHT HOURS. ALL IN
ALL THOUGH...WIDESPREAD WHITEOUT/BLIZZARD CONDITIONS ARE NO LONGER
OCCURRING IN THE CWA...AND HEADLINES HAVE BEEN ADJUSTED
ACCORDINGLY. SEE THE LATEST WSWABR FOR DETAILS. WIND CHILL VALUES
HAVE ALSO DIPPED DOWN TO GENERALLY 25 BELOW TO 30 BELOW ZERO...SO
THE WINT WX ADVISORY THAT HAS REPLACED THE BLIZZARD WARNING IS FOR
THE COMBINATION OF BLOWING SNOW AND BITTER COLD WIND CHILLS.

THE WINTER STORM WARNING HEADLINE FOR EARLY FRIDAY MORNING ACROSS
CENTRAL SOUTH DAKOTA STILL LOOKS ON TRACK AS THE NEXT BATCH OF
MODERATE TO HEAVY SNOW CAN BE SEEN ALREADY WORKING NORTHWARD
THROUGH NEBRASKA.

&&
.PREV DISCUSSION...
.SHORT TERM...TONIGHT THROUGH SATURDAY NIGHT

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

FOR TNT THE STORM CURRENTLY CREATING HAVOC ACROSS THE REGION WILL
MOVE OFF TO THE NORTHEAST...WITH A LULL IN THE ACTIVITY LATE
TONIGHT. THE BLIZZARD WARNING WILL BE IN EFFECT UNTIL THEN GIVEN
NUMEROUS REPORTS OF NEAR ZERO VSBY...ESPECIALLY IN OPEN COUNTRY.
THE HIGHEST ACCUMULATIONS FOR THE REST OF THIS AFTERNOON AND
EVENING WILL BE FROM THE JAMES VALLEY EAST WHERE 18 HOUR TOTALS
OF 4 TO 7 INCHES CAN BE EXPECTED. OUT WEST LESS ACCUMULATION IS
EXPECTED BUT WINDS REMAIN 25 OT 40 MPH. THAT WILL CONTINUE TO
PROMOTE VERY LOW VSBYS WELL INTO THE EVENING.

THEN ATTENTION TURNS TOWARD THE NEXT SYSTEM. THAT VORT IS ROUNDING
THE UPPER TROF IN THE FOUR CORNERS AREA AS I TYPE. MODELS ARE IN
GENERAL AGREEMENT THAT STRONG UVM OUT AHEAD OF THIS SYSTEM WILL
SPREAD ACROSS THE FORECAST AREA TOWARD MORNING AND THROUGH THE DAY
ON FRIDAY...LASTING WELL INTO SATURDAY NIGHT. PWATS WILL BE LOWER
THAN TODAY...BUT WITH THE ENHANCED LIFT AND HIGH SNOW TO WATER
RATIOS...EXPECT A FAIR AMOUNT OF SNOWFALL. SOMEWHERE IN THE 6 TO 10
INCH RANGE LOOKS LIKELY AS THE COMMA CLOUD ROTATES THROUGH THE
REGION. THE SNOW WILL LINGER INTO THE OVERNIGHT HOURS ON FRIDAY
BUT ACCUMULATIONS WILL TAPER OFF FROM SOUTHWEST TO NORTHEAST.
UNFORTUNATELY WINDS WILL REMAIN STRONG IN TIGHT PRESSURE
GRADIENT...BUT MAY NOT BE AS STRONG AS TODAY GIVEN LESS PRESSURE
RISE AND NOT AS STRONG OF LL CAA. NONETHELESS...BLOWING/DRIFTING
SNOW WILL ONCE AGAIN BE A PROBLEM FOR FRIDAY...AND LATER SHIFTS
MIGHT PONDER AN UPGRADE FROM WINTER STORM WARNING.

TEMPERATURES WILL BE COLD AS WILL WIND CHILLS. BELOW NORMAL
TEMPERATURES ARE EXPECTED THROUGH THE WEEKEND. THE WIND CHILL
ISSUE IS COVERED FOR THE TIME BEING BY THE BLIZZARD AND WINTER
STORM WARNINGS ALREADY IN AFFECT...OR GOING INTO AFFECT ON FRIDAY.

.LONG TERM...SUNDAY THROUGH THURSDAY

EXTENDED PATTERN WILL BE DOMINATED BY EASTERN CANADA UPPER LOW
SITTING AND SPINNING...WITH NORTHWEST FLOW SHORTWAVES PIVOTING
AROUND THIS FEATURE. THESE SYSTEMS SHOULD TRACK MAINLY NORTH AND
EAST OF THE CWA...TOO FAR AWAY TO BE A SIGNIFICANT THREAT. NOT MUCH
OF CHANGES IN H85 FLOW EITHER WITH 0C LINE STRADDLING THE STATE.
WITH NORTHWEST/WESTERLY FLOW IN THE LOW LEVELS...TEMPERATURES
SHOULD REMAIN AROUND NORMAL WITH DECENT MIXING AS WE TRANSITION
BACK AND FORTH BETWEEN MODIFIED PACIFIC AND ARCTIC AIRMASSES.

&&

.AVIATION...
00Z TAFS FOR THE KABR...KATY...KPIR AND KMBG TERMINALS

FIRST SYSTEM IS LIFTING INTO MN AND ALL FOUR TERMINALS ARE BEING
MAINLY EFFECTED BY LIGHT SNOW/FLURRIES AND BLOWING SNOW TO
PRODUCE IFR VISBIES MAINLY BETWEEN 1/2SM AND 2SM...AND GENERALLY
VFR/MVFR CIGS.

LOOK FOR MODERATE TO HEAVY SNOW TO RETURN TO ALL FOUR TERMINALS ON
FRIDAY...FIRST AT KPIR BY OR SHORTLY AFTER 12Z...AND THEN AT THE
OTHER THREE TERMINALS BY 18Z ON FRIDAY.

THESE NORTH TO NORTHWEST WINDS OF 20 TO 30 KNOTS WILL PERSIST
TONIGHT THROUGH FRIDAY NIGHT...RESULTING IN CONSIDERABLE REDUCTION
TO VISIBILITY ONCE THE MODERATE TO HEAVY SNOW RETURNS ON FRIDAY.

&&

.ABR WATCHES/WARNINGS/ADVISORIES...
SD...WINTER WEATHER ADVISORY UNTIL 9 AM CST /8 AM MST/ FRIDAY FOR
     BROWN-CAMPBELL-CLARK-CODINGTON-CORSON-DAY-DEUEL-DEWEY-
     EDMUNDS-FAULK-HAMLIN-MCPHERSON-POTTER-SPINK-WALWORTH.

     WINTER STORM WARNING FROM 9 AM CST /8 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 WEATHER ADVISORY FROM 3 AM TO 9 AM CST FRIDAY FOR GRANT-
     MARSHALL-ROBERTS.

     BLIZZARD WARNING UNTIL 3 AM CST FRIDAY FOR GRANT-MARSHALL-
     ROBERTS.

     WINTER WEATHER ADVISORY UNTIL 3 AM CST /2 AM MST/ FRIDAY FOR
     BUFFALO-HAND-HUGHES-HYDE-JONES-LYMAN-STANLEY-SULLY.

     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 9 AM FRIDAY TO NOON CST SATURDAY FOR
     BIG STONE-TRAVERSE.

     WINTER WEATHER ADVISORY FROM 3 AM TO 9 AM CST FRIDAY FOR BIG
     STONE-TRAVERSE.

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

&&

UPDATE...DORN
SHORT TERM...TDK
LONG TERM...CONNELLY
AVIATION...DORN

WEATHER.GOV/ABERDEEN
Hazardous weather outlook, Dec 30, 10:26 AM CST, 16 hours 40 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

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 30, 9:58 PM CSTWinter Weather AdvisoryABRBrown, Buffalo, Campbell, Clark, Codington, Corson and 20 more11 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.