Alert archive / South Dakota / Blizzard Warnings in 2009

Blizzard Warning 1, NWS Aberdeen, SD

January 11, 200926 counties in South Dakota; Big Stone County, Traverse County, Minnesota

NWS Aberdeen, SD issued this blizzard warning at Jan 11, 2009, 2:54 PM CST for 26 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It took effect at Jan 12, 2009, 12:00 AM CST. It was in force for 18 hr. 23 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
Jan 11, 2009, 2:54 PM CST (20:54 UTC)
In effect from
Jan 12, 2009, 12:00 AM CST
Expired
Jan 12, 2009, 6:00 PM CST
In force
18 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 20:56 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
Jan 12, 6:30 AM CSTBLIZZARDPollock, SDESTIMATED WINDS GREATER THAN 40 MPH CREATING WHITEOUT CONDITIONS
Jan 12, 6:55 AM CSTBLIZZARDMound City, SDWINDS ESTIMATED AT 30+ MPH CREATING WHITEOUT CONDITIONS
Jan 12, 7:00 AM CSTBLIZZARDGettysburg, SDMORE THAN 3 HOURS OF LESS THAN 1/4 MI VSBY REPORTED WITH WHITEOUT CONDITIONS OCCURRING AROUND 7AM
Jan 12, 7:00 AM CSTBLIZZARDMobridge, SD1/4 MI VSBY REPORTED
Jan 12, 7:30 AM CSTBLIZZARDTimber Lake, SDVISIBLITIES ESTIMATED AT 20 FT SNOWFALL ESTIMATED AT 1.5 INCHES
Jan 12, 8:00 AM CSTBLIZZARD20 Se Stephan, SDFROM 8 AM UNTIL 130 PM CST VISIBILITIES WERE LESS THAN 1/4 AT TIMES.
Jan 12, 8:00 AM CSTBLIZZARDRedfield, SDVISBILITY LESS THAN ONE QUARTER MILE WITH WHITEOUT CONDITIONS AT TIMES. ONE ACCIDENT REPORTED BY SHERIFFS DEPARTMENT. LIGHT SNOW CONTINUES.
Jan 12, 8:04 AM CSTBLIZZARDMcintosh, SDVSBY LESS THAN 1/4 MI AND WINDS ESTIMATED AT 30-40 MPH
Jan 12, 8:15 AM CSTBLIZZARD25 W Onida, SDZERO VISIBILTY WITH SNOW AND BLOWING SNOW REPORTED AND WINDS ESTIMATED AT 4O TO 50 MPH
Jan 12, 8:20 AM CSTBLIZZARDOnida, SDVSBY ESTIMATED AT LESS THAN 100 YARDS
Jan 12, 8:23 AM CSTBLIZZARD7 Wnw Hecla, SDVSBY LESS THAN 100 YARDS AND WIND SPEEDS ESTIMATED AT SUSTAINED NEAR 40 MPH. ALSO 2.5 INCHES OF NEW SNOWFALL.
Jan 12, 8:28 AM CSTBLIZZARD8 Ne Columbia, SDBLIZZARD CONDITIONS REPORTED
Jan 12, 8:41 AM CSTBLIZZARDRoscoe, SDMEASURED 49 MPH WIND WITH LIGHT SNOW OCCURING AND LESS THAN 1/4 MI VSBY
Jan 12, 9:00 AM CSTBLIZZARD17 Wsw Fort Pierre, SDVSBY LESS THAN 1/4 MI REPORTED
Jan 12, 9:00 AM CSTBLIZZARDClark, SDVISIBILITY LESS THAN ONE QUARTER MILE IN FALLING AND BLOWING SNOW. STILL SNOWING.
Jan 12, 9:00 AM CSTBLIZZARDWebster, SDVISIBILITY LESS THAN ONE QUARTER MILE IN FALLING AND BLOWING SNOW. ZERO VISIBILITY AT TIMES SOUTH OF WEBSTER.
Jan 12, 9:50 AM CSTBLIZZARDEureka, SDVSBY ESTIMATED AT 1/4 MI
Jan 12, 10:14 AM CSTBLIZZARD2 Ssw Milbank, SDVSBY ESTIMATED AT 1/4 MI IN LIGHT SNOW AND BLOWING SNOW
Jan 12, 10:55 AM CSTBLIZZARDFaulkton, SDVSBY ESTIMATED BETWEEN 0 TO 75 YARDS
Jan 12, 11:20 AM CSTBLIZZARDOrtonville, MNNEAR WHITEOUT CONDITIONS REPORTED
Jan 12, 11:25 AM CSTBLIZZARDClear Lake, SDSTARTED SNOWING AROUND 10 AM WITH WHITEOUT CONDITIONS OCCURING AT THE CURRENT TIME OF 1125 AM
Jan 12, 11:53 AM CSTBLIZZARDHayti, SDNEAR ZERO VISIBILITY IN RURAL PARTS OF THE COUNTY WITH FALLING AND BLOWING SNOW. BLIZZARD CONDITIONS BEGAN ABOUT 1030AM. LIGHT SNOW CONTINUES.
Jan 12, 11:53 AM CSTBLIZZARDMiller, SDNEAR ZERO VISIBILITY WITH BLOWING SNOW. BLIZZARD CONDITIONS BEGAN ABOUT 9AM THIS MORNING. FALLING SNOW HAS ENDED.

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, 8.9 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 2009-01-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 12:00Z on 2009-01-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
508 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS43 KABR 112054
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
254 PM CST SUN JAN 11 2009

...BLIZZARD CONDITIONS LATE TONIGHT AND DURING THE DAY MONDAY...

.AN AREA LOW PRESSURE WILL DIVES SOUTHEAST THROUGH THE NORTHERN
PLAINS LATE TONIGHT. STRONG WINDS WILL DEVELOP...WHICH ARE
EXPECTED TO COMBINE WITH FALLING SNOW AND BLOWING SNOW TO PRODUCE
WHITE OUT CONDITIONS LATE TONIGHT THROUGH THE DAY ON MONDAY.

SDZ003>005-009-010-017-120500-
/O.UPG.KABR.BZ.A.0001.090112T0900Z-090113T0000Z/
/O.NEW.KABR.BZ.W.0001.090112T0600Z-090112T2100Z/
CORSON-CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-FAULK-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...EUREKA...
MOBRIDGE...IPSWICH...FAULKTON
254 PM CST SUN JAN 11 2009 /154 PM MST SUN JAN 11 2009/

...BLIZZARD WARNING IN EFFECT FROM MIDNIGHT CST /11 PM MST/
TONIGHT TO 3 PM CST /2 PM MST/ MONDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT CST /11 PM MST/
TONIGHT TO 3 PM CST /2 PM MST/ MONDAY. THE BLIZZARD WATCH IS NO
LONGER IN EFFECT. 

STRONG NORTHWEST WINDS OF 30 TO 45 MPH WITH SOME HIGHER GUSTS ARE
EXPECTED TO DEVELOP LATE TONIGHT AND THROUGH THE DAY ON MONDAY.
FALLING SNOW WILL CONTINUE WHILE THESE STRONG WINDS PICK UP. THE
COMBINATION OF FALLING SNOW AND BLOWING SNOW...AND STRONG
NORTHWEST WINDS WILL CREATE WIDESPREAD REDUCTIONS IN VISIBILITY TO
ONE QUARTER MILE OR LESS.

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>023-120500-
/O.UPG.KABR.BZ.A.0001.090112T0900Z-090113T0000Z/
/O.NEW.KABR.BZ.W.0001.090112T0900Z-090113T0000Z/
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
254 PM CST SUN JAN 11 2009

...BLIZZARD WARNING IN EFFECT FROM 3 AM TO 6 PM CST MONDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 3 AM TO 6 PM CST MONDAY. THE
BLIZZARD WATCH IS NO LONGER IN EFFECT. 

STRONG NORTHWEST WINDS OF 30 TO 40 MPH WITH SOME HIGHER GUSTS ARE
EXPECTED TO DEVELOP LATE TONIGHT AND THROUGH THE DAY ON MONDAY.
FALLING SNOW WILL CONTINUE WHILE THESE STRONG WINDS PICK UP. THE
COMBINATION OF FALLING SNOW AND BLOWING SNOW...AND STRONG
NORTHWEST WINDS HAS THE POTENTIAL TO CREATE WIDESPREAD REDUCTIONS
IN VISIBILITY TO ONE QUARTER MILE OR LESS.

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.

$$

SDZ015-016-120500-
/O.NEW.KABR.BZ.W.0001.090112T0600Z-090112T2100Z/
DEWEY-POTTER-
INCLUDING THE CITIES OF...TIMBER LAKE...GETTYSBURG
254 PM CST SUN JAN 11 2009 /154 PM MST SUN JAN 11 2009/

...BLIZZARD WARNING IN EFFECT FROM MIDNIGHT CST /11 PM MST/
TONIGHT TO 3 PM CST /2 PM MST/ MONDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT CST /11 PM MST/
TONIGHT TO 3 PM CST /2 PM MST/ MONDAY. 

STRONG NORTHWEST WINDS OF 30 TO 45 MPH WITH SOME HIGHER GUSTS ARE
EXPECTED TO DEVELOP LATE TONIGHT AND THROUGH THE DAY ON MONDAY.
FALLING SNOW WILL CONTINUE WHILE THESE STRONG WINDS PICK UP. THE
COMBINATION OF FALLING SNOW AND BLOWING SNOW...AND STRONG
NORTHWEST WINDS WILL CREATE WIDESPREAD REDUCTIONS IN VISIBILITY TO
ONE QUARTER MILE OR LESS..

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.

$$

SD
6 follow-up statements
000 
WWUS43 KABR 120254
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
854 PM CST SUN JAN 11 2009

...BLIZZARD CONDITIONS ARE STILL EXPECTED LATE TONIGHT AND DURING
THE DAY MONDAY...

.STRONG LOW PRESSURE WILL DIVE SOUTHEAST THROUGH THE NORTHERN
PLAINS LATE TONIGHT. GUSTY NORTHWEST WINDS WILL DEVELOP. THESE
WINDS...WHEN COMBINED WITH THE FALLING SNOW...WILL CREATE
WIDESPREAD BLOWING AND DRIFTING SNOW...WITH WHITEOUT CONDITIONS
POSSIBLE DURING THE DAY ON MONDAY. 

SDZ003>005-009-010-015>017-121100-
/O.CON.KABR.BZ.W.0001.090112T0600Z-090112T2100Z/
CORSON-CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-DEWEY-POTTER-FAULK-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...EUREKA...
MOBRIDGE...IPSWICH...TIMBER LAKE...GETTYSBURG...FAULKTON
854 PM CST SUN JAN 11 2009 /754 PM MST SUN JAN 11 2009/

...BLIZZARD WARNING REMAINS IN EFFECT FROM MIDNIGHT CST /11 PM
MST/ TONIGHT TO 3 PM CST /2 PM MST/ MONDAY...

A BLIZZARD WARNING REMAINS IN EFFECT FROM MIDNIGHT CST /11 PM
MST/ TONIGHT TO 3 PM CST /2 PM MST/ MONDAY. 

LIGHT SNOW WILL CONTINUE THROUGH THE NIGHT AS AN AREA OF LOW
PRESSURE APPROACHES. AS THE LOW PASSES THROUGH...STRONG NORTHWEST
WINDS OF 30 TO 45 MPH WITH SOME HIGHER GUSTS ARE EXPECTED TO
DEVELOP. THESE STRONG WINDS WILL CONTINUE THROUGH THE DAY ON
MONDAY BEFORE TAPERING OFF LATE IN THE AFTERNOON. THE COMBINATION
OF THESE STRONG WINDS AND THE NEWLY FALLEN SNOW WILL CREATE
WIDESPREAD BLOWING AND DRIFTING OF SNOW. VISIBILITIES AT
TIMES...ESPECIALLY MONDAY MORNING...MAY BE REDUCED TO LESS THAN A
HALF MILE AT TIMES. OCCASIONAL WHITEOUT CONDITIONS ARE ALSO A
POSSIBILITY. 

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>023-121100-
/O.CON.KABR.BZ.W.0001.090112T0900Z-090113T0000Z/
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
854 PM CST SUN JAN 11 2009

...BLIZZARD WARNING REMAINS IN EFFECT FROM 3 AM TO 6 PM CST
MONDAY...

A BLIZZARD WARNING REMAINS IN EFFECT FROM 3 AM TO 6 PM CST
MONDAY. 

SNOW IS EXPECTED TO DEVELOP LATER TONIGHT AND CONTINUE THROUGH THE
MORNING MONDAY BEFORE TAPERING OFF TO FLURRIES. IN
ADDITION...GUSTY NORTHWEST WINDS FROM 30 TO 40 MPH...WITH HIGHER
GUSTS POSSIBLE...ARE ALSO EXPECTED TO DEVELOP MONDAY MORNING.
THESE STRONG WINDS...WHEN COUPLED WITH THE NEWLY FALLEN
SNOW...WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW.
VISIBILITIES AT TIMES WILL BE NEAR ZERO IN WHITEOUT 
CONDITIONS...ESPECIALLY MONDAY MORNING AND EARLY MONDAY
AFTERNOON.

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.

$$

HINTZ
000 
WWUS43 KABR 120656
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
1256 AM CST MON JAN 12 2009

...BLIZZARD CONDITIONS ARE STILL EXPECTED LATE TONIGHT AND DURING
THE DAY MONDAY...

.STRONG LOW PRESSURE WILL DIVE SOUTHEAST THROUGH THE NORTHERN
PLAINS LATE TONIGHT AND MONDAY MORNING. RATHER STRONG AND GUSTY
NORTHWEST WINDS WILL DEVELOP. THESE WINDS...WHEN COMBINED WITH THE
FALLING SNOW...WILL CREATE WIDESPREAD BLOWING AND DRIFTING
SNOW IN WHITEOUT CONDITIONS DURING THE EARLY MORNING THROUGH EARLY
AFTERNOON HOURS ON MONDAY.

SDZ033>037-045-048-051-121500-
/O.EXA.KABR.BZ.W.0001.090112T0900Z-090113T0000Z/
STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...FORT PIERRE...ONIDA...PIERRE...
HIGHMORE...MILLER...MURDO...PRESHO...FORT THOMPSON
1256 AM CST MON JAN 12 2009 /1156 PM MST SUN JAN 11 2009/

...BLIZZARD WARNING IN EFFECT UNTIL 6 PM CST /5 PM MST/ THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 6 PM CST /5 PM MST/ THIS
AFTERNOON. 

THE FIRST ROUND OF LIGHT SNOW IS HEADING INTO EASTERN SOUTH
DAKOTA. 1 TO 2 INCHES OF SNOW IS EXPECTED OUT OF THIS FIRST BAND
OF SNOW. A SECOND ROUND OF LIGHT SNOW IS EXPECTED TO DEVELOP THIS
MORNING AND CONTINUE THROUGH EARLY THIS AFTERNOON BEFORE TAPERING
OFF TO FLURRIES. ANOTHER INCH OF SNOW IS POSSIBLE WITH THIS SECOND
ROUND OF SNOW. IN ADDITION...RATHER STRONG AND GUSTY NORTHWEST
WINDS FROM 30 TO 40 MPH...WITH GUSTS AS HIGH AS 55 MPH...ARE
ALSO EXPECTED TO DEVELOP EARLY THIS MORNING. THESE STRONG
WINDS...WHEN COUPLED WITH THE NEWLY FALLEN SNOW...WILL CREATE
WIDESPREAD BLOWING AND DRIFTING SNOW. VISIBILITIES AT TIMES WILL
BE NEAR ZERO IN WHITEOUT CONDITIONS...ESPECIALLY EARLY THIS
MORNING THROUGH EARLY THIS AFTERNOON.

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>017-121500-
/O.CON.KABR.BZ.W.0001.000000T0000Z-090112T2100Z/
CORSON-CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-DEWEY-POTTER-FAULK-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...EUREKA...
MOBRIDGE...IPSWICH...TIMBER LAKE...GETTYSBURG...FAULKTON
1256 AM CST MON JAN 12 2009 /1156 PM MST SUN JAN 11 2009/

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 PM CST /2 PM MST/
THIS AFTERNOON...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 PM CST /2 PM MST/
THIS AFTERNOON. 

THE FIRST ROUND OF LIGHT SNOW IS HEADING INTO NORTHEASTERN SOUTH
DAKOTA. 1 TO 2 INCHES OF SNOW IS EXPECTED OUT OF THIS FIRST BAND
OF SNOW. A SECOND ROUND OF LIGHT SNOW IS EXPECTED TO DEVELOP EARLY
THIS MORNING AND CONTINUE THROUGH ABOUT MID DAY BEFORE TAPERING
OFF TO FLURRIES. ANOTHER INCH OF SNOW IS POSSIBLE WITH THIS SECOND
ROUND OF SNOW. IN ADDITION...RATHER STRONG AND GUSTY NORTHWEST
WINDS FROM 25 TO 40 MPH...WITH GUSTS AS HIGH AS 50 MPH...ARE
DEVELOPING ACROSS NORTH CENTRAL SOUTH DAKOTA EARLY THIS MORNING.
THESE STRONG WINDS WILL PERSIST FOR MUCH OF THE DAY...AND COMBINE
WITH THE UPCOMING SECOND ROUND OF SNOW THIS MORNING...TO CREATE
WIDESPREAD BLOWING AND DRIFTING SNOW AND VISIBILITIES NEAR ZERO IN
WHITEOUT CONDITIONS...ESPECIALLY THIS MORNING.

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

$$

MNZ039-046-SDZ006>008-011-018>023-121500-
/O.CON.KABR.BZ.W.0001.090112T0900Z-090113T0000Z/
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
1256 AM CST MON JAN 12 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

THE FIRST BATCH OF LIGHT TO MODERATE SNOW IS ENTERING INTO
NORTHEAST SOUTH DAKOTA...AND WILL BE INTO WEST CENTRAL MINNESOTA
BY 3 AM CST. EXPECT 1 TO 2 INCHES OF SNOW ACCUMULATION FROM THIS
FIRST BATCH OF SNOW. THE SNOW SHOULD BE FINISHING UP BY MID
MORNING...JUST AS A SECOND BATCH OF SNOW BEGINS TO WORK IN FROM
THE NORTH. THE SECOND BATCH OF SNOW SHOULD BEGIN TAPERING OFF TO
FLURRIES BY EARLY THIS AFTERNOON WITH AN ADDITIONAL 1 TO 2 INCHES
OF SNOW ACCUMULATION EXPECTED FROM THIS SECOND ROUND OF SNOW.
ALSO...RATHER STRONG AND GUSTY NORTH WINDS FROM 25 TO 35
MPH...WITH GUSTS AS HIGH AS 45 MPH WILL ALSO DEVELOP THIS
MORNING...RIGHT ABOUT THE TIME THE SNOW STARTS TO PICK BACK UP
AGAIN. THESE STRONG WINDS...WHEN COUPLED WITH FALLING AND BLOWING
SNOW...WILL CREATE WHITEOUT CONDITIONS AT TIMES...ESPECIALLY FROM
THIS MORNING THROUGH EARLY THIS AFTERNOON.

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.

$$

DORN
000 
WWUS43 KABR 121024
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
424 AM CST MON JAN 12 2009

...BLIZZARD CONDITIONS IMMINENT ACROSS NORTH CENTRAL SOUTH
DAKOTA...

.STRONG LOW PRESSURE IS DIVING SOUTHEAST THROUGH THE DAKOTAS THIS
MORNING...SPREADING SNOW ACROSS THE DAKOTAS AND MINNESOTA. RATHER
STRONG AND GUSTY NORTHWEST WINDS ARE DEVELOPING ACROSS CENTRAL AND
NORTH CENTRAL SOUTH DAKOTA. THESE WINDS WILL SPREAD ACROSS THE
REMAINDER OF THE FORECAST AREA TODAY...AND COMBINE WITH FALLING
SNOW TO CREATE WIDESPREAD BLOWING AND DRIFTING SNOW AND WHITEOUT
CONDITIONS DURING THE EARLY MORNING THROUGH EARLY AFTERNOON HOURS.

SDZ003>005-009-010-015>017-121830-
/O.CON.KABR.BZ.W.0001.000000T0000Z-090112T2100Z/
CORSON-CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-DEWEY-POTTER-FAULK-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...EUREKA...
MOBRIDGE...IPSWICH...TIMBER LAKE...GETTYSBURG...FAULKTON
424 AM CST MON JAN 12 2009 /324 AM MST MON JAN 12 2009/

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 PM CST /2 PM MST/
THIS AFTERNOON...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 PM CST /2 PM MST/
THIS AFTERNOON. 

THE SECOND ROUND OF LIGHT SNOW IS ORGANIZING OVER NORTH DAKOTA AND
MOVING INTO NORTH CENTRAL SOUTH DAKOTA EARLY THIS MORNING. THE
LIGHT SNOWFALL WILL CONTINUE THROUGH ABOUT MID DAY BEFORE
TAPERING OFF TO FLURRIES. UP TO AN INCH OF SNOW IS POSSIBLE WITH
THIS SECOND ROUND OF SNOW...BRINGING THE STORM TOTAL SNOW
ACCUMULATION FROM THIS WINTER SYSTEM TO 1 TO 3 INCHES. IN
ADDITION...RATHER STRONG AND GUSTY NORTHWEST WINDS FROM 25 TO 40
MPH...WITH GUSTS AS HIGH AS 55 MPH...ARE MOVING INTO NORTH CENTRAL
SOUTH DAKOTA EARLY THIS MORNING. THESE STRONG WINDS WILL PERSIST
FOR MUCH OF THE DAY...AND COMBINE WITH FALLING SNOW TO CREATE
WIDESPREAD BLOWING AND DRIFTING SNOW AND VISIBILITIES NEAR ZERO IN
WHITEOUT CONDITIONS...ESPECIALLY THIS MORNING.

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

$$

MNZ039-046-SDZ006>008-011-018>023-121830-
/O.CON.KABR.BZ.W.0001.000000T0000Z-090113T0000Z/
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
424 AM CST MON JAN 12 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

LIGHT TO MODERATE SNOW CONTINUES TO FALL ACROSS THE
NORTHEAST CORNER OF SOUTH DAKOTA...AND WEST CENTRAL MINNESOTA
EARLY THIS MORNING. HOWEVER THE EASTWARD PROGRESSION OF THE SNOW
BAND HAS PRETTY MUCH STALLED OUT ACROSS THIS AREA THIS MORNING.
1 TO 3 INCHES OF SNOW ACCUMULATION IS STILL EXPECTED FROM THIS
FIRST BATCH OF SNOW THROUGH MID MORNING. THEN...A SECOND BATCH OF
SNOW BEGINS TO WORK DOWN FROM NORTH DAKOTA BY MID MORNING...AND AN
ADDITIONAL INCH OF SNOW ACCUMULATION CAN BE EXPECTED FROM THIS
SECOND ROUND OF SNOW...BRINGING THE STORM TOTAL SNOW ACCUMULATION
FOR THIS WINTER SYSTEM TO 2 TO 4 INCHES. ALSO...STRONG AND GUSTY
NORTH WINDS FROM 25 TO 35 MPH...WITH GUSTS AS HIGH AS 45 MPH WILL
DEVELOP THIS MORNING. THESE STRONG WINDS...WHEN COUPLED WITH
FALLING SNOW...WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW
AND WHITEOUT CONDITIONS AT TIMES...ESPECIALLY FROM THIS MORNING
THROUGH EARLY THIS AFTERNOON.

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>037-045-048-051-121830-
/O.CON.KABR.BZ.W.0001.000000T0000Z-090113T0000Z/
STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...FORT PIERRE...ONIDA...PIERRE...
HIGHMORE...MILLER...MURDO...PRESHO...FORT THOMPSON
424 AM CST MON JAN 12 2009 /324 AM MST MON JAN 12 2009/

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST /5 PM MST/
THIS AFTERNOON...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST /5 PM MST/
THIS AFTERNOON. 

A BAND OF LIGHT SNOW OVER NORTH DAKOTA IS EXPECTED TO WORK DOWN
INTO CENTRAL SOUTH DAKOTA THIS MORNING AND CONTINUE THROUGH EARLY
THIS AFTERNOON BEFORE TAPERING OFF TO FLURRIES. UP TO AN INCH OF
SNOW IS POSSIBLE WITH THIS BAND OF SNOW...BRINGING THE STORM TOTAL
SNOW ACCUMULATION FROM THIS WINTER SYSTEM TO 1 TO 2 INCHES. IN
ADDITION...RATHER STRONG AND GUSTY NORTHWEST WINDS FROM 30 TO 40
MPH...WITH GUSTS AS HIGH AS 55 MPH...ARE MOVING INTO CENTRAL SOUTH
DAKOTA EARLY THIS MORNING. THESE STRONG WINDS...WHEN COUPLED WITH
FALLING SNOW THIS MORNING...WILL CREATE WIDESPREAD BLOWING AND
DRIFTING SNOW. VISIBILITIES AT TIMES WILL BE NEAR ZERO IN
WHITEOUT CONDITIONS...ESPECIALLY EARLY THIS MORNING THROUGH EARLY
THIS AFTERNOON.

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.

$$

DORN
000 
WWUS43 KABR 121805
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
1205 PM CST MON JAN 12 2009

.STRONG LOW PRESSURE WILL CONTINUE TO PUSH SOUTHEAST AWAY FROM THE
REGION THIS AFTERNOON. THE SNOW HAS ENDED ACROSS MUCH OF THE
AREA...BUT STRONG NORTHWEST WINDS WILL CONTINUE TO BLOW FRESHLY
FALLEN SNOW AROUND TO CREATE BLIZZARD CONDITIONS...ESPECIALLY IN
OPEN AREAS.

SDZ003>005-009-010-015>017-121915-
/O.CAN.KABR.BZ.W.0001.000000T0000Z-090112T2100Z/
CORSON-CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-DEWEY-POTTER-FAULK-
INCLUDING THE CITIES OF...MCLAUGHLIN...HERREID...EUREKA...
MOBRIDGE...IPSWICH...TIMBER LAKE...GETTYSBURG...FAULKTON
1205 PM CST MON JAN 12 2009 /1105 AM MST MON JAN 12 2009/

...BLIZZARD WARNING IS CANCELLED...

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

SNOW HAS ENDED AND WINDS ARE BEGINNING TO DIMINISH...ALLOWING
VISIBILITIES TO IMPROVE ACROSS THE AREA...THEREFORE THE BLIZZARD
WARNING HAS BEEN CANCELLED.

$$

SDZ033>037-045-048-051-121915-
/O.CAN.KABR.BZ.W.0001.000000T0000Z-090113T0000Z/
STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...FORT PIERRE...ONIDA...PIERRE...
HIGHMORE...MILLER...MURDO...PRESHO...FORT THOMPSON
1205 PM CST MON JAN 12 2009 /1105 AM MST MON JAN 12 2009/

...BLIZZARD WARNING IS CANCELLED...

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

SNOW HAS ENDED AND WINDS ARE BEGINNING TO DIMINISH...ALLOWING
VISIBILITIES TO IMPROVE ACROSS THE AREA...THEREFORE THE BLIZZARD
WARNING HAS BEEN CANCELLED.

$$

MNZ039-046-SDZ006>008-011-018>023-130000-
/O.CON.KABR.BZ.W.0001.000000T0000Z-090113T0000Z/
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
1205 PM CST MON JAN 12 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

SNOW HAS ENDED ACROSS THE AREA...BUT STRONG NORTHWEST WINDS OF 30
TO 45 MPH WITH OCCASIONAL HIGH GUSTS WILL BLOW AROUND THE FRESHLY
FALLEN SNOW AND CAUSE REDUCED VISIBILITIES. VISIBILITIES MAY
BE NEAR ZERO AT TIMES...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.

$$

PARKIN
000 
WWUS43 KABR 122033
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
233 PM CST MON JAN 12 2009

.STRONG LOW PRESSURE WILL CONTINUE TO PUSH SOUTHEAST AWAY FROM
THE REGION THIS AFTERNOON. THE SNOW HAS ENDED ACROSS MUCH OF THE
AREA...BUT STRONG NORTHWEST WINDS WILL CONTINUE TO BLOW FRESHLY
FALLEN SNOW AROUND TO CREATE BLIZZARD CONDITIONS...ESPECIALLY IN
OPEN AREAS ACROSS THE FAR NORTHEASTERN PART OF THE STATE.

SDZ006-007-011-018-019-122145-
/O.CAN.KABR.BZ.W.0001.000000T0000Z-090113T0000Z/
BROWN-MARSHALL-DAY-SPINK-CLARK-
INCLUDING THE CITIES OF...ABERDEEN...BRITTON...WEBSTER...
REDFIELD...CLARK
233 PM CST MON JAN 12 2009

...BLIZZARD WARNING IS CANCELLED...

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

WIND SPEEDS HAVE BEGUN TO DECREASE AND VISIBILITIES HAVE
IMPROVED...THEREFORE THE BLIZZARD WARNING HAS BEEN CANCELLED. 

$$

MNZ039-046-SDZ008-020>023-130000-
/O.CON.KABR.BZ.W.0001.000000T0000Z-090113T0000Z/
TRAVERSE-BIG STONE-ROBERTS-CODINGTON-GRANT-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...SISSETON...
WATERTOWN...MILBANK...CASTLEWOOD...CLEAR LAKE
233 PM CST MON JAN 12 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

STRONG NORTHWEST WINDS OF 30 TO 40 MPH WITH OCCASIONAL HIGH GUSTS
WILL BLOW AROUND FRESHLY FALLEN SNOW AND CAUSE REDUCED
VISIBILITIES THROUGH THE REMAINDER OF THE AFTERNOON .
VISIBILITIES MAY BE NEAR ZERO AT TIMES...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.

$$

PARKIN
000 
WWUS43 KABR 130004
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
604 PM CST MON JAN 12 2009

...BLIZZARD WARNING EXPIRES...

.NORTH WINDS HAVE DECREASED AND VISIBILITIES HAVE IMPROVED ACROSS
NORTHEAST SOUTH DAKOTA AND WEST CENTRAL MINNESOTA.

MNZ039-046-SDZ008-020>023-130115-
/O.EXP.KABR.BZ.W.0001.000000T0000Z-090113T0000Z/
TRAVERSE-BIG STONE-ROBERTS-CODINGTON-GRANT-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...SISSETON...
WATERTOWN...MILBANK...CASTLEWOOD...CLEAR LAKE
604 PM CST MON JAN 12 2009

...BLIZZARD WARNING HAS EXPIRED...

THE BLIZZARD WARNING IS NO LONGER IN EFFECT. 

BLOWING SNOW HAS DIMINISHED AS THE WINDS HAVE FALLEN OFF EARLY
THIS EVENING. THUS...THE BLIZZARD WARNING WAS ALLOWED TO EXPIRE.

$$

MOHR

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 Jan 11, 10:33 AM CST, 4 hours 21 minutes earlier.

Area forecast discussion, Jan 11, 10:33 AM CST, 4 hours 21 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ABERDEEN SD
1033 AM CST SUN JAN 11 2009

.UPDATE...
MADE SOME MINOR CHANGES TO THE GRIDS THIS MORNING...MAINLY TO
DECREASE HIGHS. THE LATEST RUC MODELS SHOW MOST THE WARM AIR
REMAINING IN WESTERN SOUTH DAKOTA WITH LOWER 20S REACHING THE
JAMES RIVER VALLEY. ALSO...INCREASED SKY COVER WITH A LARGE AREA
OF STRATUS. THE REST OF THE FORECAST LOOKS GOOD. THERE SOME SEEDER
FEEDER SNOW FALLING IN KJMS AND THERE IS A POSSIBILITY OF THIS
SNOW REACHING KABR. IF IT DOES...THINK FLURRIES WOULD BE ALL KABR
WOULD SEE.

NEW AVIATION DISCUSSION BELOW.

&&
.PREV DISCUSSION...
.SHORT TERM...TODAY THROUGH TUESDAY
FORECAST CHALLENGES INCLUDE TEMPS TODAY AND TONIGHT...SNOW CHANCES
TONIGHT/MONDAY AND AGAIN ON TUESDAY...AS WELL AS VISBY REDUCTIONS
IN FALLING/BLOWING SNOW AND STRONG WINDS LATE TONIGHT AND MONDAY.

CURRENTLY...WEAK HIGH PRESSURE AND WEAK CAA IS WORKING INTO THE
CWA. LOW STRATUS HAVE ALSO MADE A RETURN TO ABOUT THE NERN
TWO-THIRDS OF THE CWA.

MORE WARM AIR ADVECTION TODAY INTO TONIGHT SHOULD PUT TEMPS NEAR
TO ABOVE NORMAL CWA-WIDE. AS THE NEXT CLIPPER LOW /NOW ENTERING
ALBERTA CANADA PER LATEST WATER VAPOR LOOP/ DIVES SEWD INTO THE
CWA THIS EVENING AND OVERNIGHT...MOST OF THE CWA WILL EXPERIENCE
AN ALL SNOWFALL P-TYPE SCENARIO. THE WESTERN THIRD OF ZONES MAY
START OUT VERY BRIEFLY AS RAIN /OR FREEZING RAIN IF SKIN TEMP IS
BELOW FREEZING/ WHILE THE ATMOSPHERE WET BULBS OUT AT THE ONSET OF
PRECIPITATION THIS EVENING. NAM/GFS THERMAL PROFILE IN BUFKIT ALSO
INDICATED THAT SLEET COULD MIX WITH SNOW VERY BRIEFLY THIS
EVENING. ASIDE FROM THAT...THIS CLIPPER SYSTEM APPEARS TO GENERATE
A TROWAL AS IT WORKS THROUGH THE REGION TONIGHT AND MONDAY. ONCE
THE WAA BAND OF SNOW DEVELOPS THIS EVENING OUT WEST...WORKS EAST
ACROSS THE FORECAST AREA OVERNIGHT...AND PUSHES PRETTY MUCH OUT OF
THE FORECAST AREA LATE TONIGHT...EXPECTING THE TROWAL-FORCED BAND
OF LIGHT SNOW TO BEGIN ITS TREK THROUGH THE FORECAST AREA EARLY
MONDAY MORNING OVER NORTH CENTRAL SOUTH DAKOTA BEFORE GRADUALLY
SHIFTING SOUTH AND EAST OUT OF THIS CWA EARLY IN THE AFTERNOON ON
MONDAY. STRONG NORTHWEST WINDS DO NOT PICK UP UNTIL AFTER THE
PRELIMINARY WARM AIR ADVECTION-FORCED SNOW BAND WORKS THROUGH
TONIGHT. SNOWFALL AMOUNTS WITH THE WARM AIR ADVECTION BAND OF SNOW
WILL GENERALLY BE 1 TO 2 INCHES. BUT...WHEN THE TROWAL-FORCED
SNOWFALL /ANOTHER 1 TO 2 INCHES OF SNOW EXPECTED FROM IT/ ON THE
BACKSIDE OF THE SYSTEM BEGINS TO SWEEP THROUGH THE FORECAST AREA
LATE TONIGHT AND DURING THE MORNING HOURS ON MONDAY...A STRONG
PRESSURE GRADIENT ENSUES AS AN ARCTIC COLD FRONTAL BOUNDARY SURGES
SOUTH BEHIND THE SURFACE LOW CENTER. THE COMBINATION OF STRONG
CAA...20 MB 6-HOURLY PRESSURE RISES AND 40 KNOTS AT 925HPA AND
50-55 KNOTS AT 850HPA SHOULD BE SUFFICIENT ENOUGH CONDITIONS TO
PRODUCE SUSTAINED WINDS OR AT VERY LEAST GUSTS TO 35 MPH OR HIGHER
FOR A MINIMUM OF THREE HOURS BETWEEN LATE SUNDAY NIGHT AND EARLY
MONDAY AFTERNOON...CREATING WHITE OUT/BLIZZARD CONDITIONS. NOT
YOUR CLASSIC SYNOPTIC SCALE SET UP FOR BLIZZARD CONDITIONS.
NEVERTHELESS THE POTENTIAL IS CERTAINLY INCREASING FOR BLIZZARD
CONDITIONS LATE SUNDAY NIGHT INTO MONDAY. SO A BLIZZARD WATCH HAS
BEEN DRAFTED FOR NORTHEAST SOUTH DAKOTA...WEST CENTRAL
MINNESOTA...AND A PORTION OF NORTH CENTRAL SOUTH DAKOTA. THE
CENTRAL SOUTH DAKOTA ZONES NOT HEADLINED THIS MORNING COULD SEE
STRONG ENOUGH WINDS ON MONDAY TO WARRANT A WIND ADVISORY ACROSS
THAT AREA. HOWEVER...AT THIS TIME...IT IS THOUGHT THAT NOT ENOUGH
FALLING OR BLOWING SNOW WILL BE AVAILABLE ACROSS THAT PORTION OF
THE CWA TO CREATE REDUCED VISBIES AND/OR WHITE OUT CONDITIONS.

TEMPERATURES ARE A REAL PICKLE FOR TONIGHT WITH FALLING
PRECIPITATION EXPECTED TO KNOCK TEMPS DOWN A BIT...OR AT LEAST
HOLD THEM AT BAY...THROUGHOUT WAA PRECIPITATION EVENT OVERNIGHT.
THEN...WHEN STRONG CAA SEQUENCE BEGINS BY EARLY MONDAY
MORNING...SHOULD SEE HIGHEST TEMPS OF THE DAY ON MONDAY REGISTERED
EARLY ON...WITH TEMPERATURES FROM MID-MORNING RIGHT ON THROUGH THE
AFTERNOON SLOWLY FALLING. WHILE WINDS REMAIN 10 MPH OR HIGHER
ACROSS THE EASTERN THIRD OF FORECAST ZONES MONDAY
NIGHT...TEMPERATURES MAY COOL OFF ENOUGH THAT WIND CHILL VALUES
WOULD FALL TO 25 BELOW TO 30 BELOW ZERO.

MONDAY NIGHT...WEAK HIGH PRESSURE SETS UP SHOP OVER THE CWA
HELPING WINDS TO REALLY SLACKEN OFF. HOWEVER...THE NEXT CLIPPER
WAVE IN NW FLOW STARTS TO OVER SPREAD THE REGION EMBEDDED UNDER AN
IMPRESSIVE POLAR JET MAX WORKING THROUGH THE REGION. LOW LEVEL
FRONTOGENESIS OVERLAYS WELL WITH THE STRONGEST WAA-PVA OF THIS
UPPER WAVE. THE END RESULT IS EXPECTED TO BE A DEVELOPING BROAD BAND
OF LIGHT SNOW ACROSS CENTRAL SOUTH DAKOTA THAT GRADUALLY WORKS
EAST ACROSS THE FORECAST AREA...COMPLETE WITH SOME LOCALIZED
ENHANCED RETURNS ON RADAR AND HEAVIER BANDED SNOW STRUCTURE AS THE
PRECIPITATION WORKS INTO NORTHEAST SOUTH DAKOTA AND WEST CENTRAL
MINNESOTA LATE IN THE DAY. UTILIZED A RATHER BLAND APPROACH TO
THIS DAY 2/DAY 3 SNOW SCENARIO AND LIMITED SNOW AMOUNTS ON TUESDAY
FOR NOW TO GENERALLY AN INCH OR LESS. BUT...SUSPECT THAT THIS WILL
NEED TO BE TWEAKED UPWARD IN LATER FORECASTS.

.LONG TERM...TUESDAY NIGHT THROUGH SATURDAY
PERSISTENT...POSITIVE PNA LONG WAVE PATTERN EXPECTED TO CONTINUE
FOR AWHILE LONGER...OR AT LEAST THROUGH THE EXTENDED FORECAST TIME
FRAME. NEXT IN SERIES OF CLIPPERS IS STILL ON TRACK FOR TUESDAY
INTO TUESDAY NIGHT. GFS/LOCAL WRF STILL FAIRLY BULLISH ON
PCPN...WHILE THE ECMWF HAS THE SYSTEM DISPLACED A BIT FURTHER
NORTH AND DUMPS MOST OF ITS PCPN ON AREAS NORTH AND EAST OF THE
ABR CWA. FEEL A TRACK SIMILAR TO TNTS CLIPPER WILL PROBABLY
VERIFY AND THUS STUCK CLOSER TO THE GFS FOR DETERMINISTIC DETAILS.
THEREFORE DECENT POPS TO CONTINUE OVER ESPECIALLY THE EASTERN CWA
TUESDAY NIGHT INTO WEDNESDAY WITH THE REMAINDER OF THE EXTENDED
EXPECTED TO BE MOSTLY DRY AS WESTERN CONUS RIDGE SHIFTS SLIGHTLY
TO THE EAST AND PUSHED STORM TRACK MORE OVER THE UPPER MISS
VALLEY/GREAT LAKES AREA. TEMPERATURES STILL LOOK COLD WEDNESDAY
THROUGH THURSDAY WITH SOME MODERATION FOR NEXT WEEKEND.

&&

.AVIATION...
MVFR CIGS WILL AFFECT MUCH OF THE AREA TODAY...THEN WILL MIX OUT
TO SCT CLOUDS OR VFR CIGS LATER THIS AFTERNOON. VSBYS WILL BE
UNRESTRICTED. FOR THIS EVENING AND OVERNIGHT...A FAIRLY HEALTHY
SYSTEM WILL BRING A SEVERAL HOUR SHOT OF SNOW TO THE REGION...BUT
ESPECIALLY KMBG/KABR/KATY. IFR VSBYS/CIGS ARE EXPECTED WITH THIS
SNOW FROM LATE TONIGHT THROUGH THE DAY MONDAY. NORTHWEST WINDS
WILL INCREASE INTO THE 25 TO 40 MPH RANGE BY MONDAY MORNING AS
WELL...WHICH MAY RESULT IN VSBYS FALLING INTO THE IFR CATEGORY DUE
TO BLOWING SNOW.

&&

.ABR WATCHES/WARNINGS/ADVISORIES...
SD...BLIZZARD WATCH FROM LATE TONIGHT THROUGH MONDAY AFTERNOON FOR
     BROWN-CAMPBELL-CLARK-CODINGTON-CORSON-DAY-DEUEL-EDMUNDS-
     FAULK-GRANT-HAMLIN-MARSHALL-MCPHERSON-ROBERTS-SPINK-
     WALWORTH.

MN...BLIZZARD WATCH FROM LATE TONIGHT THROUGH MONDAY AFTERNOON FOR
     BIG STONE-TRAVERSE.

&&

UPDATE...SD
SHORT TERM...DORN
LONG TERM...TDK
AVIATION...PARKIN

WEATHER.GOV/ABERDEEN
Hazardous weather outlook, Jan 11, 5:47 AM CST, 9 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ABERDEEN SD
547 AM CST SUN JAN 11 2009

MNZ039-046-SDZ003>011-017>023-121200-
TRAVERSE-BIG STONE-CORSON-CAMPBELL-MCPHERSON-BROWN-MARSHALL-
ROBERTS-WALWORTH-EDMUNDS-DAY-FAULK-SPINK-CLARK-CODINGTON-GRANT-
HAMLIN-DEUEL-
547 AM CST SUN JAN 11 2009 /447 AM MST SUN JAN 11 2009/

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

.DAY ONE...TODAY AND TONIGHT

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
AFTERNOON FOR WIDESPREAD WHITE OUT CONDITIONS FROM THE COMBINATION
OF FALLING AND BLOWING SNOW AND RATHER STRONG WINDS. SNOWFALL
AMOUNTS TONIGHT WILL GENERALLY BE 1 TO 2 INCHES.
ALSO...PRECIPITATION MAY START OUT AS A BRIEF PERIOD OF LIGHT RAIN
OR LIGHT FREEZING RAIN ACROSS CENTRAL AND NORTH CENTRAL SOUTH
DAKOTA THIS EVENING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
AFTERNOON FOR WIDESPREAD WHITE OUT CONDITIONS FROM THE COMBINATION
OF FALLING AND BLOWING SNOW AND RATHER STRONG WINDS. SNOWFALL
AMOUNTS MONDAY WILL GENERALLY BE 1 TO 2 INCHES...WITH STORM TOTAL
SNOWFALL RANGING FROM 1 TO 4 INCHES.

THERE COULD BE SOME 25 BELOW TO 30 BELOW WIND CHILL VALUES ACROSS
NORTHEAST SOUTH DAKOTA AND WEST CENTRAL MINNESOTA MONDAY NIGHT.

ANOTHER LOW PRESSURE SYSTEM MOVES THROUGH TUESDAY AND TUESDAY
NIGHT...BRINGING POTENTIALLY ANOTHER 1 TO 3 INCHES OF SNOWFALL TO
THE AREA.

THEN...A BLAST OF ARCTIC COLD AIR WILL SURGE DOWN INTO THE
AREA WEDNESDAY...WHICH WILL AGAIN DROP WIND CHILL VALUES TO 25
BELOW ZERO OR COLDER BY WEDNESDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT.

SDZ015-016-033>037-045-048-051-121200-
DEWEY-POTTER-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
547 AM CST SUN JAN 11 2009 /447 AM MST SUN JAN 11 2009/

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

.DAY ONE...TODAY AND TONIGHT

A LOW PRESSURE SYSTEM DROPPING THROUGH THE AREA TONIGHT WILL
PRODUCE SNOWFALL AMOUNTS GENERALLY AN INCH OR LESS.
ALSO...PRECIPITATION MAY START OUT AS A BRIEF PERIOD OF LIGHT RAIN
OR LIGHT FREEZING RAIN ACROSS CENTRAL AND NORTH CENTRAL SOUTH
DAKOTA THIS EVENING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THE COMBINATION OF LIGHT SNOWFALL AND RATHER STRONG WINDS ON
MONDAY MAY CAUSE OCCASIONALLY REDUCED VISIBILITIES. BUT VISIBILITY
RESTRICTIONS ARE NOT EXPECTED TO FALL TO ONE QUARTER MILE OR LESS.
HOWEVER..THE STRONG WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH
MAY PROMPT AN WIND ADVISORY. SNOWFALL AMOUNTS MONDAY WILL
GENERALLY BE LESS THAN AN INCH...WITH STORM TOTAL SNOWFALL RANGING
FROM 1 TO 2 INCHES.

ANOTHER LOW PRESSURE SYSTEM MOVES THROUGH TUESDAY AND TUESDAY
NIGHT...BRINGING POTENTIALLY ANOTHER 1 TO 3 INCHES OF SNOWFALL TO
THE AREA.

THEN...A BLAST OF ARCTIC COLD AIR WILL SURGE DOWN INTO THE
AREA WEDNESDAY...WHICH WILL AGAIN DROP WIND CHILL VALUES TO 25
BELOW ZERO OR COLDER BY WEDNESDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT.

DORN

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 11, 3:58 AM CSTBlizzard WatchABRBrown, Campbell, Clark, Codington, Corson, Day and 10 more11 hr
Jan 11, 3:04 PM CSTWind AdvisoryABRBuffalo, Hand, Hughes, Hyde, Jones, Lyman and 2 more9 hr

Nearby

Blizzard Warnings in South Dakota, 2009Blizzard Warnings in Minnesota, 2009Every blizzard warning in 2009

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.