Alert archive / South Dakota / Blizzard Warnings in 2013

Blizzard Warning 3, NWS Aberdeen, SD

March 17, 201313 counties in South Dakota; Big Stone County, Traverse County, Minnesota

NWS Aberdeen, SD issued this blizzard warning at Mar 17, 2013, 2:11 PM CDT for 13 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It took effect at Mar 18, 2013, 1:00 AM CDT. It was in force for 21 hr. 14 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 17, 2013, 2:11 PM CDT (19:11 UTC)
In effect from
Mar 18, 2013, 1:00 AM CDT
Expired
Mar 18, 2013, 10:00 PM CDT
In force
21 hr
Issued by
NWS Aberdeen, SD

Counties Big Stone County, MN, Traverse County, MN, Brown 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, Marshall County, SD, McPherson County, SD, Roberts County, SD, Spink County, SD

The radar

The Aberdeen radar (KABR), 62 km from the middle of the area, began a volume at 19:10 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 18, 2:00 AM CDTBLIZZARD10 E Eureka, SDBLIZZARD CONDITIONS WITH ONE QUARTER TO ONE HALF MILE VISIBILITY FROM LATE EVENING INTO THE OVERNIGHT. ESTIMATED 1-2 INCHES OF SNOWFALL.
Mar 18, 2:00 AM CDTBLIZZARDIpswich, SDSIGNFIICANT BLOWING SNOW WITH NEAR WHITEOUT CONDITIONS IN IPSWICH AROUND 2AM. WINDS ESTIMATED OVER 40 MPH.
Mar 18, 3:00 AM CDTBLIZZARD3 S Webster, SDWEBSTER SUPERAWOS... QUARTER MILE VSBY OR LOWER SINCE 3AM MONDAY MORNING
Mar 18, 3:00 AM CDTBLIZZARD6 Wnw Hecla, SDVISIBILITY LESS THAN 100 YARDS...DRIFTS ON ROADWAYS. WIND GUSTS ESTIMATED AT 40 TO 50 MPH
Mar 18, 3:00 AM CDTBLIZZARD8 S Summit, SDVISIBILITY NEAR ZERO... WINDS GUSTING OVER 40 MPH
Mar 18, 5:00 AM CDTBLIZZARD2 Ne Bradley, SDVISIBILITY LESS THAN QUARTER MILE SINCE 5AM. WINDS GUSTING TO AN ESTIMATED 40 MPH
Mar 18, 5:00 AM CDTBLIZZARD5 Ne Goodwin, SDVISIBILITIES 30 YARDS AT BEST. ESTIMATED WIND GUSTS 40 TO 50 MPH.
Mar 18, 5:00 AM CDTBLIZZARD7 Nnw Summit, SDVISIBILITY AROUND ONE-EIGHTH MILE ALL MORNING... ESTIMATED WINDS GUSTING OVER 40 MPH
Mar 18, 5:00 AM CDTBLIZZARD8 W Dumont, MNVISIBILITY A QUARTER MILE OR LESS... ESTIMATED WINDS GUSTING 40 TO 45 MPH
Mar 18, 5:00 AM CDTBLIZZARD9 Nw Clinton, MNVISIBILITY ONE-EIGHTH MILE AT BEST... ESTIMATED WINDS GUSTING OVER 40 MPH
Mar 18, 6:00 AM CDTBLIZZARD12 Ese Britton, SDVISIBILITY 300 YARDS AT BEST... ESTIMATED WINDS GUSTING 40 TO 45 MPH
Mar 18, 8:59 AM CDTBLIZZARDHayti, SDVISIBILITIES NEAR ZERO MOST OF THE MORNING. WINDS GUSTING OVER 35 MPH ALL NIGHT. SCHOOLS AND COURTHOUSE CLOSED
Mar 18, 9:08 AM CDTBLIZZARD2 Ne Watertown, SDEM REPORTS NEAR ZERO VSBY IN RURAL AREAS AROUND WATERTOWN DUE TO BLOWING SNOW.
Mar 18, 9:50 AM CDTSNOW 2Bowdle, SDSTORM TOTAL SNOWFALL

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, 7.2 hours before the alert went out and 72 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 2013-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 12:00Z on 2013-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 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
728 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
300 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.

197 
WWUS43 KABR 171911
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
211 PM CDT SUN MAR 17 2013

...SNOW AND BLOWING SNOW MOVING IN...

.A STRONG LOW PRESSURE AREA WILL MOVE ACROSS NORTHERN SOUTH DAKOTA
TONIGHT AND INTO NORTHEAST MINNESOTA BY LATE MONDAY AFTERNOON.
WIDESPREAD LIGHT SNOW WILL DEVELOP ACROSS THE REGION THROUGH THE
AFTERNOON AND EVENING. AS THE LOW PRESSURE AREA MOVES BY AND
A STRONG COLD FRONT FOLLOWS...VERY STRONG NORTHWEST WINDS ALONG
WITH MORE SNOWFALL WILL MOVE IN BEHIND IT. THE STRONG WINDS WILL
CREATE BLIZZARD CONDITIONS ACROSS MUCH OF NORTHEAST SOUTH DAKOTA
AND WEST CENTRAL MINNESOTA LATER TONIGHT THROUGH MUCH OF MONDAY.

SDZ005-006-010-017-018-180715-
/O.UPG.KABR.BZ.A.0002.130318T0600Z-130319T0300Z/
/O.NEW.KABR.BZ.W.0003.130318T0600Z-130319T0000Z/
MCPHERSON-BROWN-EDMUNDS-FAULK-SPINK-
INCLUDING THE CITIES OF...EUREKA...ABERDEEN...IPSWICH...
FAULKTON...REDFIELD
211 PM CDT SUN MAR 17 2013

...BLIZZARD WARNING IN EFFECT FROM 1 AM TO 7 PM CDT MONDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 1 AM TO 7 PM CDT MONDAY. THE
BLIZZARD WATCH IS NO LONGER IN EFFECT. 

* TIMING...LIGHT SNOW WILL DEVELOP INTO THE EVENING HOURS AND
  CONTINUE THROUGH MONDAY MORNING. AS WINDS BECOME NORTHWEST AND
  INCREASE AFTER MIDNIGHT...BLIZZARD CONDITIONS ARE EXPECTED TO
  DEVELOP AND CONTINUE THROUGH MONDAY AFTERNOON.

* WINDS/VISIBILITY...WINDS WILL BECOME NORTHWEST BEHIND A COLD
  FRONT PUSHING THROUGH THE REGION...AND INCREASE TO 25 TO 40 MPH
  WITH GUSTS TO 45 TO 50 MPH. THE STRONG WINDS COMBINED WITH THE
  EXISTING SNOW AND FALLING SNOW WILL CAUSE BLIZZARD CONDITIONS
  WITH WHITEOUT CONDITIONS POSSIBLE.

* SNOW/ICE ACCUMULATIONS...ACCUMULATIONS OF 1 TO 3 INCHES OF
  SNOWFALL ARE EXPECTED.

* OTHER IMPACTS...WIDESPREAD BLIZZARD CONDITIONS WILL MAKE TRAVEL
  NEARLY IMPOSSIBLE ACROSS NORTHEAST SOUTH DAKOTA LATER TONIGHT
  AND MONDAY.

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-SDZ007-008-011-019>023-180715-
/O.UPG.KABR.BZ.A.0002.130318T0600Z-130319T0300Z/
/O.NEW.KABR.BZ.W.0003.130318T0600Z-130319T0300Z/
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
211 PM CDT SUN MAR 17 2013

...BLIZZARD WARNING IN EFFECT FROM 1 AM TO 10 PM CDT MONDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 1 AM TO 10 PM CDT MONDAY. THE
BLIZZARD WATCH IS NO LONGER IN EFFECT. 

* TIMING...LIGHT SNOW WILL DEVELOP INTO THE EVENING HOURS AND
  CONTINUE THROUGH MONDAY. AS WINDS BECOME NORTHWEST AND INCREASE
  AFTER MIDNIGHT...BLIZZARD CONDITIONS ARE EXPECTED TO DEVELOP AND
  CONTINUE THROUGH MONDAY EVENING.

* WINDS/VISIBILITY...WINDS WILL BECOME NORTHWEST BEHIND A COLD
  FRONT PUSHING THROUGH THE REGION...AND INCREASE TO 25 TO 40 MPH
  WITH GUSTS TO 45 TO 50 MPH. THE STRONG WINDS COMBINED WITH THE
  EXISTING SNOW AND FALLING SNOW WILL CAUSE BLIZZARD CONDITIONS
  WITH WHITEOUT CONDITIONS POSSIBLE.

* SNOW/ICE ACCUMULATIONS...ACCUMULATIONS OF 1 TO 3 INCHES OF
  SNOWFALL ARE EXPECTED.

* OTHER IMPACTS...WIDESPREAD BLIZZARD CONDITIONS WILL MAKE TRAVEL
  NEARLY IMPOSSIBLE ACROSS NORTHEAST SOUTH DAKOTA AND WEST CENTRAL
  MINNESOTA LATER TONIGHT AND MONDAY. 


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.

&&

$$

MOHR
7 follow-up statements
167 
WWUS43 KABR 180022
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
722 PM CDT SUN MAR 17 2013

...SNOW AND BLOWING SNOW EXPECTED OVER THE NEXT 24...

.A STRONG LOW PRESSURE AREA WILL MOVE ACROSS NORTHERN SOUTH
DAKOTA TONIGHT AND INTO NORTHEAST MINNESOTA BY LATE MONDAY
AFTERNOON. WIDESPREAD LIGHT SNOW WILL DEVELOP ACROSS THE REGION
THROUGH THE AFTERNOON AND EVENING. AS THE LOW PRESSURE AREA MOVES
BY AND A STRONG COLD FRONT FOLLOWS...VERY STRONG NORTHWEST WINDS
ALONG WITH MORE SNOWFALL WILL MOVE IN BEHIND IT. THE STRONG WINDS
WILL CREATE BLIZZARD CONDITIONS ACROSS MUCH OF NORTHEAST SOUTH
DAKOTA AND WEST CENTRAL MINNESOTA LATER TONIGHT THROUGH MUCH OF
MONDAY.

MNZ039-046-SDZ007-008-011-019>023-181230-
/O.NEW.KABR.WW.Y.0015.130318T0022Z-130318T0500Z/
/O.CON.KABR.BZ.W.0003.130318T0600Z-130319T0300Z/
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
722 PM CDT SUN MAR 17 2013

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT CDT TONIGHT...
...BLIZZARD WARNING REMAINS IN EFFECT FROM 1 AM TO 10 PM CDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
UNTIL MIDNIGHT CDT TONIGHT.

* TIMING...SNOW WILL CONTINUE INTO THE EVENING HOURS BEFORE
  TAPERING OFF A BIT. THEN MORE SNOW AND EVEN STRONGER WINDS ARE
  EXPECTED LATE TONIGHT AND MONDAY. 

* WINDS/VISIBILITY...GUSTY SOUTHEAST WINDS THIS EVENING WILL
  BECOME NORTHWEST LATE AND INCREASE TO 25 TO 45 MPH WITH EVEN
  HIGHER GUSTS. 

* SNOW/ICE ACCUMULATIONS...TOTAL SNOWFALL ACCUMULATION OF 1 TO 4
  INCHES IS EXPECTED.

* OTHER IMPACTS...VISIBILITY WILL OCCASIONALLY BE POOR THIS
  EVENING...BUT THE WORST CONDITIONS ARE EXPECTED POST MIDNIGHT
  AND THROUGH THE DAY ON MONDAY...WIDESPREAD BLIZZARD CONDITIONS
  ARE EXPECTED AT THAT TIME.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A WINTER WEATHER ADVISORY FOR 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.

&&

$$

SDZ005-006-010-017-018-181230-
/O.CON.KABR.BZ.W.0003.130318T0600Z-130319T0000Z/
MCPHERSON-BROWN-EDMUNDS-FAULK-SPINK-
INCLUDING THE CITIES OF...EUREKA...ABERDEEN...IPSWICH...
FAULKTON...REDFIELD
722 PM CDT SUN MAR 17 2013

...BLIZZARD WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT
MONDAY...

* TIMING...LIGHT SNOW WILL DEVELOP INTO THE EVENING HOURS AND 
  CONTINUE THROUGH MONDAY MORNING. AS WINDS BECOME NORTHWEST AND 
  INCREASE AFTER MIDNIGHT...BLIZZARD CONDITIONS ARE EXPECTED TO 
  DEVELOP AND CONTINUE THROUGH MONDAY AFTERNOON. 

* WINDS/VISIBILITY...WINDS WILL BECOME NORTHWEST BEHIND A COLD 
  FRONT PUSHING THROUGH THE REGION...AND INCREASE TO 25 TO 40 
  MPH WITH GUSTS TO 45 TO 50 MPH. THE STRONG WINDS COMBINED WITH 
  THE EXISTING SNOW AND FALLING SNOW WILL CAUSE BLIZZARD 
  CONDITIONS WITH WHITEOUT CONDITIONS POSSIBLE. 

* SNOW/ICE ACCUMULATIONS...ACCUMULATIONS OF 1 TO 3 INCHES OF 
  SNOWFALL ARE EXPECTED. 

* OTHER IMPACTS...WIDESPREAD BLIZZARD CONDITIONS WILL MAKE 
  TRAVEL NEARLY IMPOSSIBLE ACROSS NORTHEAST SOUTH DAKOTA LATER 
  TONIGHT AND MONDAY. 

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.

&&

$$
209 
WWUS43 KABR 180340
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
1040 PM CDT SUN MAR 17 2013

...SNOW AND BLOWING SNOW EXPECTED OVER THE NEXT 24...

.A STRONG LOW PRESSURE AREA WILL MOVE ACROSS NORTHERN SOUTH
DAKOTA TONIGHT AND INTO NORTHEAST MINNESOTA BY LATE MONDAY
AFTERNOON. WIDESPREAD LIGHT SNOW WILL DEVELOP ACROSS THE REGION
THROUGH THE AFTERNOON AND EVENING. AS THE LOW PRESSURE AREA MOVES
BY AND A STRONG COLD FRONT FOLLOWS...VERY STRONG NORTHWEST WINDS
ALONG WITH MORE SNOWFALL WILL MOVE IN BEHIND IT. THE STRONG WINDS
WILL CREATE BLIZZARD CONDITIONS ACROSS MUCH OF NORTHEAST SOUTH
DAKOTA AND WEST CENTRAL MINNESOTA LATER TONIGHT THROUGH MUCH OF
MONDAY.

MNZ039-046-SDZ007-008-011-019>023-181545-
/O.EXT.KABR.WW.Y.0015.000000T0000Z-130318T0600Z/
/O.CON.KABR.BZ.W.0003.130318T0600Z-130319T0300Z/
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
1040 PM CDT SUN MAR 17 2013

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 1 AM CDT MONDAY...
...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 10 PM CDT MONDAY...

* TIMING...SNOW WILL CONTINUE INTO THE EVENING HOURS BEFORE 
  TAPERING OFF A BIT. THEN MORE SNOW AND EVEN STRONGER WINDS ARE 
  EXPECTED LATE TONIGHT AND MONDAY. 

* WINDS/VISIBILITY...GUSTY SOUTHEAST WINDS THIS EVENING WILL 
  BECOME NORTHWEST LATE AND INCREASE TO 25 TO 45 MPH WITH EVEN 
  HIGHER GUSTS. 

* SNOW/ICE ACCUMULATIONS...TOTAL SNOWFALL ACCUMULATION OF 1 TO 4 
  INCHES IS EXPECTED. 

* OTHER IMPACTS...VISIBILITY WILL OCCASIONALLY BE POOR THIS 
  EVENING...BUT THE WORST CONDITIONS ARE EXPECTED POST MIDNIGHT 
  AND THROUGH THE DAY ON MONDAY...WIDESPREAD BLIZZARD CONDITIONS 
  ARE EXPECTED AT THAT TIME. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A WINTER WEATHER ADVISORY FOR 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.

&&

$$

SDZ005-006-010-017-018-181545-
/O.CON.KABR.BZ.W.0003.130318T0600Z-130319T0000Z/
MCPHERSON-BROWN-EDMUNDS-FAULK-SPINK-
INCLUDING THE CITIES OF...EUREKA...ABERDEEN...IPSWICH...
FAULKTON...REDFIELD
1040 PM CDT SUN MAR 17 2013

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY...

* TIMING...LIGHT SNOW WILL DEVELOP INTO THE EVENING HOURS AND 
  CONTINUE THROUGH MONDAY MORNING. AS WINDS BECOME NORTHWEST AND 
  INCREASE AFTER MIDNIGHT...BLIZZARD CONDITIONS ARE EXPECTED TO 
  DEVELOP AND CONTINUE THROUGH MONDAY AFTERNOON. 

* WINDS/VISIBILITY...WINDS WILL BECOME NORTHWEST BEHIND A COLD 
  FRONT PUSHING THROUGH THE REGION...AND INCREASE TO 25 TO 40 
  MPH WITH GUSTS TO 45 TO 50 MPH. THE STRONG WINDS COMBINED WITH 
  THE EXISTING SNOW AND FALLING SNOW WILL CAUSE BLIZZARD 
  CONDITIONS WITH WHITEOUT CONDITIONS POSSIBLE. 

* SNOW/ICE ACCUMULATIONS...ACCUMULATIONS OF 1 TO 3 INCHES OF 
  SNOWFALL ARE EXPECTED. 

* OTHER IMPACTS...WIDESPREAD BLIZZARD CONDITIONS WILL MAKE 
  TRAVEL NEARLY IMPOSSIBLE ACROSS NORTHEAST SOUTH DAKOTA LATER 
  TONIGHT AND MONDAY. 

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.

&&

$$
997 
WWUS43 KABR 180557
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
1257 AM CDT MON MAR 18 2013

...SNOW AND BLOWING SNOW TODAY...

.A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH THE AREA TODAY.
WIDESPREAD LIGHT SNOW WILL COMBINE WITH STRONG WINDS TO PRODUCE
AREAS OF BLOWING AND DRIFTING SNOW...ALONG WITH INTERMITTENT WHITE
OUT CONDITIONS. SNOW SHOWERS WILL SHIFT EAST AND WINDS WILL BEGIN
TO DIMINISH LATER THIS AFTERNOON AND EVENING.

MNZ039-046-SDZ007-008-011-019>023-181800-
/O.EXP.KABR.WW.Y.0015.000000T0000Z-130318T0600Z/
/O.CON.KABR.BZ.W.0003.130318T0600Z-130319T0300Z/
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
1257 AM CDT MON MAR 18 2013

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 1 AM CDT EARLY THIS
MORNING...

* TIMING...BLIZZARD CONDITIONS ARE ONGOING...THOUGH THERE WILL BE
  INTERMITTENT BREAKS. CONDITIONS WILL BEGIN TO IMPROVE THIS EVENING.

* WINDS/VISIBILITY...WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH
  WILL CONTINUE THROUGH THE MORNING AND INTO THE AFTERNOON HOURS.

* SNOW/ICE ACCUMULATIONS...ADDITIONAL ACCUMULATION OF 1 TO 3
  INCHES IS POSSIBLE.

* OTHER IMPACTS...WIDESPREAD BLIZZARD CONDITIONS WILL MAKE TRAVEL
  NEARLY IMPOSSIBLE ACROSS NORTHEAST SOUTH DAKOTA TODAY.

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.

&&

$$

SDZ005-006-010-017-018-181800-
/O.CON.KABR.BZ.W.0003.130318T0600Z-130319T0000Z/
MCPHERSON-BROWN-EDMUNDS-FAULK-SPINK-
INCLUDING THE CITIES OF...EUREKA...ABERDEEN...IPSWICH...
FAULKTON...REDFIELD
1257 AM CDT MON MAR 18 2013

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* TIMING...BLIZZARD CONDITIONS ARE ONGOING...THOUGH THERE WILL BE
  INTERMITTENT BREAKS. CONDITIONS WILL BEGIN TO IMPROVE BY THE
  LATE AFTERNOON.

* WINDS/VISIBILITY...WINDS OF 25 TO 40 MPH WITH GUSTS TO 50 MPH
  WILL CONTINUE THROUGH THE MORNING AND INTO THE AFTERNOON HOURS.

* SNOW/ICE ACCUMULATIONS...ADDITIONAL ACCUMULATION OF 1 TO 2
  INCHES IS POSSIBLE.

* OTHER IMPACTS...WIDESPREAD BLIZZARD CONDITIONS WILL MAKE TRAVEL
  NEARLY IMPOSSIBLE ACROSS NORTHEAST SOUTH DAKOTA TODAY.

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
229 
WWUS43 KABR 180708
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
208 AM CDT MON MAR 18 2013

...SNOW AND BLOWING SNOW TODAY...

.A STRONG LOW PRESSURE SYSTEM WILL MOVE THROUGH THE AREA TODAY.
WIDESPREAD LIGHT SNOW WILL COMBINE WITH STRONG WINDS TO PRODUCE
AREAS OF BLOWING AND DRIFTING SNOW...ALONG WITH INTERMITTENT
WHITE OUT CONDITIONS. SNOW SHOWERS WILL SHIFT EAST AND WINDS WILL
BEGIN TO DIMINISH LATER THIS AFTERNOON AND EVENING.

SDZ005-006-010-017-018-181915-
/O.CON.KABR.BZ.W.0003.000000T0000Z-130319T0000Z/
MCPHERSON-BROWN-EDMUNDS-FAULK-SPINK-
INCLUDING THE CITIES OF...EUREKA...ABERDEEN...IPSWICH...
FAULKTON...REDFIELD
208 AM CDT MON MAR 18 2013

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* TIMING...BLIZZARD CONDITIONS ARE ONGOING...THOUGH THERE WILL 
  BE INTERMITTENT BREAKS. CONDITIONS WILL BEGIN TO IMPROVE BY 
  THE LATE AFTERNOON. 

* WINDS/VISIBILITY...WINDS OF 25 TO 40 MPH WITH GUSTS PEAKING
  AROUND 60 MPH WILL OCCUR THIS MORNING. GUSTY WINDS WILL CONTINUE
  INTO THE AFTERNOON HOURS.

* SNOW/ICE ACCUMULATIONS...ADDITIONAL ACCUMULATION OF 1 TO 2 
  INCHES IS POSSIBLE. 

* OTHER IMPACTS...WIDESPREAD BLIZZARD CONDITIONS WILL MAKE 
  TRAVEL NEARLY IMPOSSIBLE ACROSS NORTHEAST SOUTH DAKOTA TODAY. 

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-SDZ007-008-011-019>023-181915-
/O.CON.KABR.BZ.W.0003.000000T0000Z-130319T0300Z/
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
208 AM CDT MON MAR 18 2013

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* TIMING...BLIZZARD CONDITIONS ARE ONGOING...THOUGH THERE WILL 
  BE INTERMITTENT BREAKS. CONDITIONS WILL BEGIN TO IMPROVE THIS 
  EVENING. 

* WINDS/VISIBILITY...WINDS OF 25 TO 40 MPH WITH GUSTS PEAKING
  AROUND 60 MPH WILL OCCUR THIS MORNING. GUSTY WINDS WILL CONTINUE
  INTO THE AFTERNOON AND EVENING HOURS.

* SNOW/ICE ACCUMULATIONS...ADDITIONAL ACCUMULATION OF 1 TO 3 
  INCHES IS POSSIBLE. 

* OTHER IMPACTS...WIDESPREAD BLIZZARD CONDITIONS WILL MAKE 
  TRAVEL NEARLY IMPOSSIBLE ACROSS NORTHEAST SOUTH DAKOTA TODAY. 

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
062 
WWUS43 KABR 180911
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
411 AM CDT MON MAR 18 2013

...SNOW AND BLOWING SNOW TODAY...

.A STRONG LOW PRESSURE SYSTEM WILL CONTINUE TO MOVE THROUGH THE
AREA TODAY. WIDESPREAD LIGHT SNOW WILL COMBINE WITH STRONG WINDS
TO PRODUCE AREAS OF BLOWING AND DRIFTING SNOW...ALONG WITH
INTERMITTENT WHITE OUT CONDITIONS. SNOW SHOWERS WILL SHIFT EAST
AND WINDS WILL BEGIN TO DIMINISH LATER THIS AFTERNOON AND EVENING.

SDZ005-006-010-017-018-181015-
/O.CAN.KABR.BZ.W.0003.000000T0000Z-130319T0000Z/
MCPHERSON-BROWN-EDMUNDS-FAULK-SPINK-
INCLUDING THE CITIES OF...EUREKA...ABERDEEN...IPSWICH...
FAULKTON...REDFIELD
411 AM CDT MON MAR 18 2013

...BLIZZARD WARNING IS CANCELLED...

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

GUSTY WINDS WILL CONTINUE...HOWEVER MOST SNOWFALL IS EXPECTED TO
BE LIGHT AND SPOTTY...AND THEREFORE WIDESPREAD WHITEOUT CONDITIONS
ARE NO LONGER EXPECTED.

$$

MNZ039-046-SDZ007-008-011-019>023-182115-
/O.CON.KABR.BZ.W.0003.000000T0000Z-130319T0300Z/
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
411 AM CDT MON MAR 18 2013

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* TIMING...BLIZZARD CONDITIONS ARE ONGOING...THOUGH THERE WILL 
  BE INTERMITTENT BREAKS. CONDITIONS WILL BEGIN TO IMPROVE THIS 
  EVENING. 

* WINDS/VISIBILITY...WINDS OF 25 TO 40 MPH WITH GUSTS PEAKING 
  AROUND 60 MPH WILL OCCUR THIS MORNING. GUSTY WINDS WILL 
  CONTINUE INTO THE AFTERNOON AND EVENING HOURS. 

* SNOW/ICE ACCUMULATIONS...ADDITIONAL ACCUMULATION OF 1 TO 2 
  INCHES IS POSSIBLE. 

* OTHER IMPACTS...WIDESPREAD BLIZZARD CONDITIONS WILL MAKE 
  TRAVEL NEARLY IMPOSSIBLE ACROSS NORTHEAST SOUTH DAKOTA TODAY. 

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
061 
WWUS43 KABR 182032
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
332 PM CDT MON MAR 18 2013

...GROUND BLIZZARD CONDITIONS CONTINUING INTO THIS EVENING...

.STRONG NORTHWEST WINDS WILL CONTINUE ACROSS NORTHEAST SOUTH
DAKOTA AND WEST CENTRAL MINNESOTA THROUGH THE EVENING HOURS AS LOW
PRESSURE CONTINUES MOVING AWAY FROM THE REGION. THE PRESSURE
GRADIENT BETWEEN THIS LOW AND A HIGH PRESSURE MOVING IN FROM THE
WEST WILL PROMOTE THE STRONG WINDS. VERY LOW VISIBILITY WILL
PERSIST THROUGH THE DAYLIGHT HOURS.

MNZ039-046-SDZ007-008-011-019>023-190300-
/O.CON.KABR.BZ.W.0003.000000T0000Z-130319T0300Z/
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
332 PM CDT MON MAR 18 2013

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* TIMING...GROUND BLIZZARD CONDITIONS ARE ONGOING AND WILL
  CONTINUE THROUGH THE EVENING HOURS. AFTER SUNSET...WINDS WILL
  SLOWLY DIMINISH WHICH WILL ALLOW FOR SLOWLY IMPROVING
  VISIBILITY.  

* WINDS/VISIBILITY...NORTHWEST WINDS FROM 25 TO 35 MPH WITH GUSTS
  AROUND 45 MPH WILL CONTINUE INTO THE EVENING HOURS. VISIBILITY
  IN BLOWING SNOW WILL BE REDUCED TO ONE-QUARTER MILE OR LESS AT
  TIMES...WITH NEAR WHITEOUT CONDITIONS AT TIMES. 

* SNOW/ICE ACCUMULATIONS...ONLY A TRACE TO A FEW TENTHS OF AN INCH
  OF SNOW IS EXPECTED LATE THIS AFTERNOON AND EVENING WITH ANY
  PASSING LIGHT SNOW SHOWERS. 

* OTHER IMPACTS...WIDESPREAD GROUND BLIZZARD CONDITIONS WILL MAKE
  TRAVEL NEARLY IMPOSSIBLE ACROSS NORTHEAST SOUTH DAKOTA AND WEST
  CENTRAL MINNESOTA INTO THE EVENING HOURS.

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
207 
WWUS43 KABR 190302
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
1002 PM CDT MON MAR 18 2013


MNZ039-046-SDZ007-008-011-019>023-190415-
/O.EXP.KABR.BZ.W.0003.000000T0000Z-130319T0300Z/
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
1002 PM CDT MON MAR 18 2013

...BLIZZARD WARNING HAS EXPIRED...

WINDS HAVE DIMINISHED ACROSS THE REGION AND VISIBILITY HAS
IMPROVED ACCORDINGLY. ROADS MAY STILL BE SLICK WITH SOME DRIFTING
SNOW THROUGH TUESDAY MORNING.

$$

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 Mar 17, 12:50 PM CDT, 1 hour 21 minutes earlier.

Area forecast discussion, Mar 17, 12:50 PM CDT, 1 hour 21 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE ABERDEEN SD
1250 PM CDT SUN MAR 17 2013

.UPDATE...

UPDATED AVIATION DISCUSSION BELOW FOR 18Z TAFS.

LIGHT SNOW AREA MOVING QUICKLY OUT OF FAR NORTHEAST SD AND WEST
CENTRAL MN BY NOON. THIS LEFT A FEW TENTHS UP TO A HALF INCH OF
SNOW ACROSS THE NORTHERN PART OF THE CWA THIS MORNING. STRONG
SOUTHEAST WINDS MAY CAUSE SOME BLOWING SNOW WITH THIS THROUGH THE
DAY. OTHERWISE...WITH LOW CLOUDS REMAINING THROUGH THE DAY MAYBE
BREAKING UP WEST IN THE CWA THIS AFTERNOON...RISING TEMPERATURES
WILL HAVE TO RELY MOSTLY ON WAA. THE JAMES VALLEY MAY HAVE A HARD
TIME RISING TO ABOVE 30 DEGREES BY LATE AFTERNOON. MAY HAVE TO
LOWER HIGHS SOME. OTHERWISE...STRONG LOW AND MID LEVEL WAA LIFT IN
ADVANCE OF THE NEXT STRONG LOW PRESSURE AREA TO MOVE IN...WILL
BRING SOME RAIN/SNOW TO THE WESTERN CWA THIS AFTERNOON SPREADING
EAST THROUGH THIS EVENING. ALL INDICATIONS WITH THE BUFKIT
SOUNDINGS AND SREF PLUMES DONT INDICATE MUCH FOR FREEZING RAIN.
THUS..HAVE TAKEN OUT THE FREEZING RAIN AND WENT WITH RAIN/SNOW.
THE MODELS WERE COMING IN FARTHER SOUTH WITH THE SURFACE LOW
PRESSURE TRACK ALONG WITH BRINGING IN MORE SNOWFALL TO BLOW AROUND
TONIGHT AND MONDAY. WILL HAVE TO LOOK AT THE NEW GFS RUN.
NEVERTHELESS...WIDESPREAD BLOWING SNOW LOOKS TO BE AN ISSUE ACROSS
NORTHEAST SD AND WEST CENTRAL MN LATER TONIGHT AND MONDAY.

&&

.PREVIOUS DISCUSSION...

.SHORT TERM...THROUGH TUESDAY
RATHER COMPLEX WEATHER SCENARIO DEVELOPING TODAY. WE ALREADY HAVE
LIGHT SNOW WITH MOISTURE THAT HAS MOVED INTO THE AREA...THOUGH
ACCUMULATION IS A DUSTING TO HALF AN INCH AND INTENSITY CONTINUES
TO WEAKEN THROUGH THE REMAINDER OF THE MORNING WITH LOSS OF LIFT.
THERE IS SOME UNCERTAINTY AS TO WHETHER THIS NEW SNOW WILL HAVE
SOME IMPACT ON CONDITIONS LATER TODAY...HOWEVER WITH TEMPERATURES
PROGGED TO REACH CLOSE TO FREEZING AND A LITTLE FILTERED
SUN...EXPECT IT WILL MODIFY ENOUGH THAT WHEN WINDS PICK UP IT WONT
BLOW AROUND. WARM ADVECTION PRECIPITATION IN THE SOUTHEAST
QUADRANT OF OUR LOW DEVELOPS THIS AFTERNOON. BUFKIT PROFILES
INDICATE A MELTING LAYER PUSHING ALL THE WAY TO THE NORTH DAKOTA
STATE LINE AND INTO THE JAMES VALLEY. PRESSURE RISES BEHIND THE
FRONT STILL TOPPING 12MB/6 HRS...WITH A 20+ MB PRESSURE GRADIENT
ACROSS THE STATE...SOLID ADVISORY CRITERIA.

THE BIGGEST QUESTION WE ARE DEALING WITH HERE IS WHETHER SNOW
SHOWERS IN THE COLD ADVECTION REGIME MAKE IT INTO THE CWA. GIVEN
STRONG WINDS...LIGHT SNOW SHOULD HAVE NO PROBLEM BLOWING AND
DRIFTING WITH WHITE OUT CONDITIONS...SO WILL GO WITH A BLIZZARD
WATCH. RESOLUTION ON THE UNCERTAINTY OVER HOW WIDESPREAD SNOW IS
WILL PLAGUE UPCOMING SHIFT UNTIL THIS STORM FINALLY MOVES OUT AND
WINDS DROP OFF...WHICH IS EXPECTED MONDAY AFTERNOON/EVENING.

TEMPERATURES WILL REMAIN WELL BELOW NORMAL...WITH H85 TEMPERATURES
AT A STANDARD DEVIATION OR TWO BELOW CLIMO.

.LONG TERM...TUESDAY NIGHT THROUGH SATURDAY
THE ONLY POTENTIAL PRECIPITATION PERIODS IN THE EXTENDED APPEAR
TO LINE UP THURSDAY/THURSDAY NIGHT WITH PRECIP CHANCES TAPERING
OFF FRIDAY...FOR COUNTIES RUNNING ALONG/EITHER SIDE OF THE
MISSOURI RIVER VALLEY. ALL THIS IN ASSOCIATION WITH A LARGE LOW
PRESSURE SYSTEM THAT IS FORECAST TO WORK INTO THE PAC NORTHWEST
AND THEN RUN INTO A BLOCKING UPPER RIDGE THAT FORCES THE LOW TO
TRACK SOUTHEASTWARD THROUGH THE NORTHERN HIGH PLAINS /BASICALLY
WEST AND SOUTH OF THIS CWA/. BEYOND THAT...UPPER LEVEL FLOW IS
MORE LIKE LARGE SCALE WEAK STEERING FLOW OR VERY WEAK NORTHWEST
FLOW ALOFT...WITH DRY CONDITIONS MORE LIKELY THAN WET CONDITIONS
HEADING INTO THE WEEKEND.

P-TYPE ASSOCIATED WITH PRECIP CHANCES IN THE EXTENDED IS
PREDOMINANTLY SNOW AS TEMPERATURES IN THE OUT PERIODS WILL REMAIN
WELL BELOW NORMAL /AND WELL BELOW FREEZING ACROSS MUCH OF THE CWA/
FOR MUCH OF THE FORECAST PERIOD.

&&

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

PRIMARILY LOW VFR AND MVFR CIGS WILL OCCUR ACROSS THE REGION FOR
THE REST OF THE AFTERNOON. BY LATE THIS AFTERNOON AND INTO THE
EVENING...AREAS OF -RA/-RASN AND -SN WILL SPREAD NORTHEAST ACROSS
THE AREA. OVERNIGHT CONDITIONS WILL DETERIORATE AS STRONG WEST TO
NORTHWEST WINDS DEVELOP AND LOW VSBYS DEVELOP IN -SN AND BLSN. THE
WORST OF THE CONDITIONS WILL BE FELT ACROSS KABR AND KATY...BUT
CAN STILL EXPECT AREAS OF -SN AND BLSN OVER KMBG AS WELL...MAYBE
AS FAR SOUTH AS KPIR LATER TONIGHT. VSBYS IN -SN/BLSN WILL DROP TO
AS LOW AS 1/2SM OR 1/4SM AT TIMES. STRONG NORTHWEST WINDS WILL
PERSIST THROUGH THE DAY MONDAY...WITH CONTINUED BLSN ACROSS
KABR/KATY.

&&

.ABR WATCHES/WARNINGS/ADVISORIES...
SD...WIND ADVISORY UNTIL 4 PM CDT /3 PM MDT/ MONDAY FOR BUFFALO-
     CAMPBELL-CORSON-DEWEY-HAND-HUGHES-HYDE-JONES-LYMAN-POTTER-
     STANLEY-SULLY-WALWORTH.

     BLIZZARD WATCH FROM LATE TONIGHT THROUGH MONDAY EVENING FOR
     BROWN-CLARK-CODINGTON-DAY-DEUEL-EDMUNDS-FAULK-GRANT-HAMLIN-
     MARSHALL-MCPHERSON-ROBERTS-SPINK.

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

&&

UPDATE...TMT/MOHR
SHORT TERM...CONNELLY
LONG TERM...DORN
AVIATION...TMT

WEATHER.GOV/ABERDEEN
Hazardous weather outlook, Mar 17, 5:12 AM CDT, 8 hours 59 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ABERDEEN SD
512 AM CDT SUN MAR 17 2013

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-181015-
TRAVERSE-BIG STONE-CORSON-CAMPBELL-MCPHERSON-BROWN-MARSHALL-
ROBERTS-WALWORTH-EDMUNDS-DAY-DEWEY-POTTER-FAULK-SPINK-CLARK-
CODINGTON-GRANT-HAMLIN-DEUEL-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-
LYMAN-BUFFALO-
512 AM CDT SUN MAR 17 2013 /412 AM MDT SUN MAR 17 2013/

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

.DAY ONE...TODAY AND TONIGHT

A STORM WILL MOVE ACROSS THE NORTHERN PLAINS TODAY AND TONIGHT.
GUSTY WINDS CAN BE EXPECTED BOTH AHEAD OF AND BEHIND THE SYSTEM. A
BAND OF PRECIPITATION WILL BREAK OUT AHEAD OF A COLD FRONT. MOST
OF THIS WILL FALL AS A WINTRY MIX...MAINLY ACROSS EASTERN SOUTH
DAKOTA AND INTO WEST CENTRAL MINNESOTA.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

BEHIND THE FRONT...GUSTY NORTHWEST WINDS MAY PROMOTE BLOWING SNOW
AND LOWERED VISIBILITY SUNDAY NIGHT INTO MONDAY. SNOW
ACCUMULATIONS WILL BE LIMITED TO 1 TO 3 INCHES...WITH HIGHEST
AMOUNTS OVER THE SISSETON HILLS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT.

CONNELLY

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 17, 4:15 AM CDTBlizzard WatchABRBrown, Clark, Codington, Day, Deuel, Edmunds and 7 more10 hr
Mar 17, 4:26 AM CDTWind AdvisoryABRBrown, Buffalo, Campbell, Corson, Dewey, Edmunds and 12 more39 hr

Nearby

Blizzard Warnings in South Dakota, 2013Blizzard Warnings in Minnesota, 2013Every blizzard warning in 2013

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.