Alert archive / South Dakota / Blizzard Warnings in 2011

Blizzard Warning 7, NWS Aberdeen, SD

March 11, 201118 counties in South Dakota; Big Stone County, Traverse County, Minnesota

NWS Aberdeen, SD issued this blizzard warning at Mar 11, 2011, 5:24 PM CST for 18 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It was in force for 13 hr. 18 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
Mar 11, 2011, 5:24 PM CST (23:24 UTC)
Expired
Mar 12, 2011, 6:00 AM CST
In force
13 hr
Issued by
NWS Aberdeen, SD

Counties Big Stone County, MN, Traverse County, MN, Brown County, SD, Campbell County, SD, Clark County, SD, Codington County, SD, Day County, SD, Deuel County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Hamlin County, SD, Hand County, SD, Hyde County, SD, Marshall County, SD, McPherson County, SD, Potter County, SD, Roberts County, SD, Spink County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 32 km from the middle of the area, began a volume at 23:24 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
Mar 11, 5:42 PM CSTBLIZZARDMobridge, SD58 MPH WIND GUST
Mar 11, 5:45 PM CSTBLIZZARDHecla, SDZERO VISIBILITY
Mar 11, 5:52 PM CSTBLIZZARDCastlewood, SD1/4 MILE VISIBILITY
Mar 11, 6:00 PM CSTBLIZZARD1 W Tolstoy, SDZERO VISIBILITY FOR AN HOUR OR TWO
Mar 11, 6:00 PM CSTBLIZZARDRoscoe, SDVISIBILITY ONE BLOCK IN TOWN...WORSE OUT OF TOWN
Mar 11, 6:04 PM CSTBLIZZARD6 N Groton, SDWHITEOUT CONDITIONS
Mar 11, 6:05 PM CSTBLIZZARDSummit, SDZERO VISIBILITY, SEMIS FLIPPED OVER
Mar 11, 6:15 PM CSTBLIZZARDWarner, SDSEMI TIPPED OVER
Mar 11, 7:02 PM CSTBLIZZARDWebster, SDWHITEOUT CONDITIONS
Mar 11, 7:08 PM CSTBLIZZARDWatertown, SD1/4 MILE VISIBILITY
Mar 11, 7:29 PM CSTBLIZZARDCastlewood, SD50 FT OR LESS VIS THROUGHOUT HAMLIN COUNTY
Mar 11, 8:02 PM CSTBLIZZARDSisseton, SDZERO VISIBILITY, LOTS OF ACCIDENTS REPORTED ON 1-29
Mar 11, 8:12 PM CSTBLIZZARDBritton, SDZERO VISIBILITY AND NUMEROUS ACCIDENTS
Mar 11, 8:12 PM CSTBLIZZARDClear Lake, SDZERO VISIBILITY
Mar 11, 8:16 PM CSTBLIZZARDClark, SDZERO VISIBILITY, NUMEROUS ACCIDENTS
Mar 11, 8:32 PM CSTBLIZZARD5 N Herreid, SDZERO VIS
Mar 11, 8:45 PM CSTBLIZZARDFaulkton, SD300 YD VISIBILITY
Mar 11, 9:00 PM CSTBLIZZARDLong Lake, SDLESS THAN 1/4 MILE VISIBILITY

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, 11.4 hours before the alert went out and 41 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 2011-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 12:00Z on 2011-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 274 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1632 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
274 m²/s²
0-3 km storm-relative helicity
310 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.

016 
WWUS43 KABR 112324
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
524 PM CST FRI MAR 11 2011

...SNOW AND BLOWING SNOW EXPECTED ACROSS PARTS OF NORTHEAST SOUTH
DAKOTA THIS EVENING...

.STRONG LOW PRESSURE WILL SLIDE INTO MINNESOTA TONIGHT...WITH
STRONG WINDS AND WRAPAROUND PRECIPITATION BEHIND IT...SOME OF
THAT PRECIPITATION WILL SLIDE ACROSS FOR NORTHEAST SOUTH DAKOTA.

MNZ039-046-SDZ003-120030-
/O.CAN.KABR.WW.Y.0012.000000T0000Z-110312T0900Z/
TRAVERSE-BIG STONE-CORSON-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...MCLAUGHLIN
524 PM CST FRI MAR 11 2011 /424 PM MST FRI MAR 11 2011/

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

SNOW HAS COME TO AN END ACROSS THE AREA...BUT GUSTY WINDS MAY
STILL ALLOW FOR SOME AREAS OF BLOWING SNOW THROUGH THE EVENING.

$$

SDZ004>011-016-017-120900-
/O.UPG.KABR.WW.Y.0012.000000T0000Z-110312T0900Z/
/O.NEW.KABR.BZ.W.0007.110311T2324Z-110312T0900Z/
CAMPBELL-MCPHERSON-BROWN-MARSHALL-ROBERTS-WALWORTH-EDMUNDS-DAY-
POTTER-FAULK-
INCLUDING THE CITIES OF...HERREID...EUREKA...ABERDEEN...BRITTON...
SISSETON...MOBRIDGE...IPSWICH...WEBSTER...GETTYSBURG...FAULKTON
524 PM CST FRI MAR 11 2011

...BLIZZARD WARNING IN EFFECT UNTIL 3 AM CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 3 AM CST SATURDAY. THE WINTER
WEATHER ADVISORY IS NO LONGER IN EFFECT. 

* SNOW AND BLOWING SNOW WILL REDUCE VISIBILITIES TO LESS THAN A
  QUARTER MILE ACROSS THE REGION THIS EVENING...ESPECIALLY DURING
  TIMES WHEN SNOW IS FALLING.

* SNOW ACCUMULATIONS SHOULD BE GENERALLY LESS THAN AN INCH.

* WINDS FROM THE WEST TO NORTHWEST AT 30 TO 45 MPH CAN BE
  EXPECTED...WITH OCCASIONAL GUSTS OVER 50 MPH.

* THE COMBINATION OF WINDS AND FALLING SNOW WILL SUPPORT AREAS OF
  BLOWING AND DRIFTING SNOW AS TEMPERATURES COOL OFF THIS EVENING.
  WHICH WILL RESULT IN AREAS OF POOR VISIBILITY THIS EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

&&

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.

&&

$$

SDZ018>023-036-037-120900-
/O.NEW.KABR.BZ.W.0007.110311T2324Z-110312T0900Z/
SPINK-CLARK-CODINGTON-GRANT-HAMLIN-DEUEL-HYDE-HAND-
INCLUDING THE CITIES OF...REDFIELD...CLARK...WATERTOWN...
MILBANK...CASTLEWOOD...CLEAR LAKE...HIGHMORE...MILLER
524 PM CST FRI MAR 11 2011

...BLIZZARD WARNING IN EFFECT UNTIL 3 AM CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 3 AM CST SATURDAY. 

* SNOW AND BLOWING SNOW WILL REDUCE VISIBILITIES TO LESS THAN A
  QUARTER MILE ACROSS THE REGION THIS EVENING...ESPECIALLY DURING
  TIMES WHEN SNOW IS FALLING.

* SNOW ACCUMULATIONS SHOULD BE GENERALLY LESS THAN AN INCH.

* WINDS FROM THE WEST TO NORTHWEST AT 30 TO 45 MPH CAN BE
  EXPECTED...WITH OCCASIONAL GUSTS OVER 50 MPH.

* THE COMBINATION OF WINDS AND FALLING SNOW WILL SUPPORT AREAS OF
  BLOWING AND DRIFTING SNOW AS TEMPERATURES COOL OFF THIS EVENING.
  WHICH WILL RESULT IN AREAS OF POOR VISIBILITY THIS EVENING.

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.

&&

$$

PARKIN
4 follow-up statements
689 
WWUS43 KABR 120134
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
734 PM CST FRI MAR 11 2011

...SNOW AND BLOWING SNOW EXPECTED ACROSS PARTS OF NORTHEAST SOUTH
DAKOTA THIS EVENING...

.STRONG LOW PRESSURE WILL SLIDE INTO MINNESOTA TONIGHT...WITH
STRONG WINDS AND WRAPAROUND PRECIPITATION BEHIND IT...SOME OF
THAT PRECIPITATION WILL SLIDE ACROSS FOR NORTHEAST SOUTH DAKOTA.

SDZ004>011-016>023-036-037-120900-
/O.CON.KABR.BZ.W.0007.000000T0000Z-110312T0900Z/
CAMPBELL-MCPHERSON-BROWN-MARSHALL-ROBERTS-WALWORTH-EDMUNDS-DAY-
POTTER-FAULK-SPINK-CLARK-CODINGTON-GRANT-HAMLIN-DEUEL-HYDE-HAND-
INCLUDING THE CITIES OF...HERREID...EUREKA...ABERDEEN...BRITTON...
SISSETON...MOBRIDGE...IPSWICH...WEBSTER...GETTYSBURG...FAULKTON...
REDFIELD...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE...HIGHMORE...MILLER
734 PM CST FRI MAR 11 2011

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 AM CST SATURDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 AM CST SATURDAY. 

* SNOW AND BLOWING SNOW WILL REDUCE VISIBILITIES TO LESS THAN A 
  QUARTER MILE ACROSS THE REGION THIS EVENING...ESPECIALLY 
  DURING TIMES WHEN SNOW IS FALLING. 

* SNOW ACCUMULATIONS SHOULD BE GENERALLY LESS THAN AN INCH.

* WINDS FROM THE WEST TO NORTHWEST AT 30 TO 45 MPH CAN BE 
  EXPECTED...WITH OCCASIONAL GUSTS OVER 50 MPH. 

* THE COMBINATION OF WINDS AND FALLING SNOW WILL SUPPORT AREAS 
  OF BLOWING AND DRIFTING SNOW AS TEMPERATURES COOL OFF THIS 
  EVENING. WHICH WILL RESULT IN AREAS OF POOR VISIBILITY THIS 
  EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

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.

&&

$$

MNZ039-046-120900-
/O.NEW.KABR.WW.Y.0013.110312T0134Z-110312T0900Z/
TRAVERSE-BIG STONE-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE
734 PM CST FRI MAR 11 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 AM CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
UNTIL 3 AM CST SATURDAY.

* SNOW AND BLOWING SNOW COULD REDUCE VISIBILITIES TO LESS THAN A
  MILE ACROSS THE REGION THIS EVENING...ESPECIALLY DURING TIMES
  WHEN SNOW IS FALLING. 

* SNOW ACCUMULATIONS SHOULD BE GENERALLY LESS THAN AN INCH.

* WINDS FROM THE WEST TO NORTHWEST AT 25 TO 40 MPH CAN BE
  EXPECTED.

* THE COMBINATION OF WINDS AND FALLING SNOW SHOULD SUPPORT AREAS
  OF BLOWING AND DRIFTING SNOW AS TEMPERATURES COOL OFF THIS
  EVENING. WHICH COULD SUPPORT AREAS OF POOR VISIBILITY THIS
  EVENING. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

&&

$$

PARKIN
717 
WWUS43 KABR 120541
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
1141 PM CST FRI MAR 11 2011

...BLOWING SNOW EXPECTED ACROSS PARTS OF NORTHEAST SOUTH DAKOTA
OVERNIGHT...

.STRONG LOW PRESSURE WILL SLIDE INTO MINNESOTA TONIGHT...WITH
STRONG WINDS BEHIND IT. BLOWING SNOW AND REDUCED VISIBILITIES WILL
BE THE RESULT.

SDZ036-037-120645-
/O.CAN.KABR.BZ.W.0007.000000T0000Z-110312T0900Z/
HYDE-HAND-
INCLUDING THE CITIES OF...HIGHMORE...MILLER
1141 PM CST FRI MAR 11 2011

...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS CANCELLED THE
BLIZZARD WARNING. 

WIND SPEEDS HAVE BEGUN TO DIMINISH. BLOWING SNOW AND REDUCED
VISIBILITIES WILL NO LONGER BE AN ISSUE TONIGHT.

$$

MNZ039-046-121200-
/O.UPG.KABR.WW.Y.0013.000000T0000Z-110312T0900Z/
/O.EXB.KABR.BZ.W.0007.000000T0000Z-110312T1200Z/
TRAVERSE-BIG STONE-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE
1141 PM CST FRI MAR 11 2011

...BLIZZARD WARNING IN EFFECT UNTIL 6 AM CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 6 AM CST SATURDAY. THE WINTER
WEATHER ADVISORY IS NO LONGER IN EFFECT. 

* BLOWING SNOW WILL REDUCE VISIBILITIES TO LESS THAN ONE QUARTER
  OF A MILE OVERNIGHT.

* WINDS FROM THE WEST TO NORTHWEST AT 25 TO 40 MPH WITH HIGHER
  GUSTS CAN BE EXPECTED.

* STRONG WINDS WILL SUPPORT AREAS OF BLOWING AND DRIFTING
  SNOW...ALONG WITH THE POTENTIAL FOR POOR VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

&&

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.

&&

$$

SDZ007-008-011-019>023-121200-
/O.EXT.KABR.BZ.W.0007.000000T0000Z-110312T1200Z/
MARSHALL-ROBERTS-DAY-CLARK-CODINGTON-GRANT-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...BRITTON...SISSETON...WEBSTER...CLARK...
WATERTOWN...MILBANK...CASTLEWOOD...CLEAR LAKE
1141 PM CST FRI MAR 11 2011

...BLIZZARD WARNING NOW IN EFFECT UNTIL 6 AM CST SATURDAY...

THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL 6 AM CST SATURDAY. 

* BLOWING SNOW WILL REDUCE VISIBILITIES TO LESS THAN ONE QUARTER
  OF A MILE OVERNIGHT.

* WINDS FROM THE WEST TO NORTHWEST AT 30 TO 45 MPH CAN BE
  EXPECTED...WITH OCCASIONAL HIGHER GUSTS.

* STRONG WINDS WILL SUPPORT AREAS OF BLOWING AND DRIFTING SNOW
  OVERNIGHT...ALONG WITH AREAS OF POOR VISIBILITY.

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.

&&

$$

SDZ004>006-009-010-016>018-120900-
/O.CON.KABR.BZ.W.0007.000000T0000Z-110312T0900Z/
CAMPBELL-MCPHERSON-BROWN-WALWORTH-EDMUNDS-POTTER-FAULK-SPINK-
INCLUDING THE CITIES OF...HERREID...EUREKA...ABERDEEN...
MOBRIDGE...IPSWICH...GETTYSBURG...FAULKTON...REDFIELD
1141 PM CST FRI MAR 11 2011

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 AM CST SATURDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 AM CST SATURDAY. 

* BLOWING SNOW WILL REDUCE VISIBILITIES TO LESS THAN A QUARTER
  MILE ACROSS THE REGION OVERNIGHT.

* WINDS FROM THE WEST TO NORTHWEST AT 30 TO 45 MPH CAN BE
  EXPECTED...WITH OCCASIONAL HIGHER GUSTS.

* STRONG WINDS WILL SUPPORT AREAS OF BLOWING AND DRIFTING SNOW
  OVERNIGHT...ALONG WITH AREAS OF POOR VISIBILITY.

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.

&&

$$

PARKIN
401 
WWUS43 KABR 120857
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
257 AM CST SAT MAR 12 2011

...AREAS OF BLOWING SNOW EXPECTED THROUGH THE EARLY MORNING...

.WINDS ARE SLOWLY DECREASING FROM WEST TO EAST ACROSS THE REGION
THIS MORNING...BUT REMAIN VERY STRONG ACROSS NORTHEASTERN SOUTH
DAKOTA AND WEST CENTRAL MINNESOTA. 

SDZ004>006-009-010-016>018-121000-
/O.EXP.KABR.BZ.W.0007.000000T0000Z-110312T0900Z/
CAMPBELL-MCPHERSON-BROWN-WALWORTH-EDMUNDS-POTTER-FAULK-SPINK-
INCLUDING THE CITIES OF...HERREID...EUREKA...ABERDEEN...
MOBRIDGE...IPSWICH...GETTYSBURG...FAULKTON...REDFIELD
257 AM CST SAT MAR 12 2011

...BLIZZARD WARNING WILL EXPIRE AT 3 AM CST EARLY THIS MORNING...

THE BLIZZARD WARNING WILL EXPIRE AT 3 AM CST EARLY THIS MORNING. 

* WINDS WILL CONTINUE TO SLOWLY DECREASE THROUGH THE EARLY MORNING
  HOURS AND BLOWING SNOW WILL DIMINISH.

$$

MNZ039-046-SDZ007-008-011-019>023-121200-
/O.CON.KABR.BZ.W.0007.000000T0000Z-110312T1200Z/
TRAVERSE-BIG STONE-MARSHALL-ROBERTS-DAY-CLARK-CODINGTON-GRANT-
HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...BRITTON...
SISSETON...WEBSTER...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE
257 AM CST SAT MAR 12 2011

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING. 

* BLOWING SNOW WILL REDUCE VISIBILITY TO AROUND ONE QUARTER MILE
  OR LESS AT TIMES THROUGH THE EARLY MORNING HOURS. 

* WINDS FROM THE NORTHWEST AT 25 TO 40 MPH WITH GUSTS TO AROUND
  50 MPH CAN BE EXPECTED.

* STRONG WINDS WILL SUPPORT AREAS OF BLOWING AND DRIFTING SNOW...
  ALONG WITH THE POTENTIAL FOR POOR VISIBILITY. 

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.

&&

$$
TMT
393 
WWUS43 KABR 121151
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
551 AM CST SAT MAR 12 2011

...BLIZZARD WARNING EXPIRING...

.WINDS WILL CONTINUE TO SLOWLY DIMINISH THROUGH THE MORNING HOURS.
BLOWING SNOW IS STILL LIKELY OVER PORTIONS OF THE AREA...BUT
WIDESPREAD VERY LOW VISIBILITY IN BLOWING SNOW IS NO LONGER
EXPECTED.

MNZ039-046-SDZ007-008-011-019>023-121300-
/O.EXP.KABR.BZ.W.0007.000000T0000Z-110312T1200Z/
TRAVERSE-BIG STONE-MARSHALL-ROBERTS-DAY-CLARK-CODINGTON-GRANT-
HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...BRITTON...
SISSETON...WEBSTER...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE
551 AM CST SAT MAR 12 2011

...BLIZZARD WARNING WILL EXPIRE AT 6 AM CST EARLY THIS MORNING...

THE BLIZZARD WARNING WILL EXPIRE AT 6 AM CST EARLY THIS MORNING. 


$$
TMT

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 11, 3:54 AM CSTWind AdvisoryABRBrown, Buffalo, Campbell, Clark, Codington, Corson and 20 more14 hr
Mar 11, 2:59 PM CSTWinter Weather AdvisoryABRBrown, Campbell, Corson, Day, Edmunds, Faulk and 5 more2 hr

Nearby

Blizzard Warnings in South Dakota, 2011Blizzard Warnings in Minnesota, 2011Every blizzard warning in 2011

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.