Alert archive / South Dakota / Winter Storm Warnings in 2011

Winter Storm Warning 3, NWS Aberdeen, SD

April 14, 201121 counties in South Dakota

NWS Aberdeen, SD issued this winter storm warning at Apr 14, 2011, 3:24 AM CDT for 21 counties in South Dakota. It took effect at Apr 14, 2011, 7:00 PM CDT. It was in force for 27 hr. 44 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
Apr 14, 2011, 3:24 AM CDT (08:24 UTC)
In effect from
Apr 14, 2011, 7:00 PM CDT
Expired
Apr 15, 2011, 10:09 PM CDT
In force
27 hr
Issued by
NWS Aberdeen, SD
All 21 counties

Brown County, SD, Buffalo County, SD, Campbell County, SD, Clark County, SD, Corson County, SD, Day County, SD, Dewey County, SD, Edmunds County, SD, Faulk 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, Spink County, SD, Stanley County, SD, Sully County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 97 km from the middle of the area, began a volume at 08:24 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
Apr 15, 5:44 AM CDTHEAVY SNOW 4Mcintosh, SDSTILL SNOWING
Apr 15, 6:44 AM CDTHEAVY SNOW 3Miller, SDSTILL SNOWING
Apr 15, 7:00 AM CDTHEAVY SNOW 2.5Nnw Roscoe, SDSTILL SNOWING
Apr 15, 7:00 AM CDTHEAVY SNOW 3Se Kennebec, SD
Apr 15, 7:00 AM CDTHEAVY SNOW 42 Nne Pierre, SD
Apr 15, 7:00 AM CDTHEAVY SNOW 47 Wnw Gann Valley, SDSTILL SNOWING
Apr 15, 7:00 AM CDTHEAVY SNOW 4.513 Nnw Presho, SD
Apr 15, 7:00 AM CDTHEAVY SNOW 4.5N Onida, SDSTILL SNOWING
Apr 15, 7:00 AM CDTHEAVY SNOW 4.8Ssw Presho, SD
Apr 15, 7:00 AM CDTHEAVY SNOW 52 N Hoven, SDSTILL SNOWING
Apr 15, 7:00 AM CDTHEAVY SNOW 56 Sse Kennebec, SD
Apr 15, 7:00 AM CDTHEAVY SNOW 7.53 Ese Herreid, SDSTILL SNOWING
Apr 15, 7:00 AM CDTHEAVY SNOW 8.519 Nnw Highmore, SDSTILL SNOWING
Apr 15, 7:00 AM CDTHEAVY SNOW 9.78 Wsw Mcintosh, SD
Apr 15, 7:30 AM CDTHEAVY SNOW 116 E Hayes, SDSTILL SNOWING
Apr 15, 7:35 AM CDTHEAVY SNOW 38 Ne Faulkton, SDSTILL SNOWING
Apr 15, 8:02 AM CDTHEAVY SNOW 38 Ne Columbia, SDSTILL SNOWING
Apr 15, 8:02 AM CDTHEAVY SNOW 1314 N Isabel, SD
Apr 15, 8:26 AM CDTHEAVY SNOW 4Blunt, SD
Apr 15, 8:30 AM CDTHEAVY SNOW 75 S Ree Heights, SDSTILL SNOWING
Apr 15, 8:50 AM CDTHEAVY SNOW 5.3Mobridge, SDSTILL SNOWING
Apr 15, 8:55 AM CDTHEAVY SNOW 3Pollock, SDSTILL SNOWING
Apr 15, 9:05 AM CDTHEAVY SNOW 3.5Aberdeen, SDSTILL SNOWING
Apr 15, 9:32 AM CDTHEAVY SNOW 8Murdo, SD
Apr 15, 11:00 AM CDTHEAVY SNOW 7Mclaughlin, SDESTIMATED 6 TO 8 INCHES. SNOW HAS ENDED.
Apr 15, 12:28 PM CDTHEAVY SNOW 81 S Chelsea, SD
Apr 15, 1:53 PM CDTHEAVY SNOW 10Selby, SDSTILL SNOWING.
Apr 15, 2:12 PM CDTHEAVY SNOW 92 Sse Claremont, SDSTILL SNOWING. TOTAL LIQUID EQUIVALENT 0.91.
Apr 15, 2:12 PM CDTHEAVY SNOW 9Blunt, SD
Apr 15, 2:12 PM CDTHEAVY SNOW 9Eureka, SDMODERATE SNOW CONTINUES.
Apr 15, 2:21 PM CDTSNOW 4Redfield, SD
Apr 15, 2:30 PM CDTHEAVY SNOW 15Isabel, SD
Apr 15, 2:34 PM CDTHEAVY SNOW 7Onida, SDESTIMATED 6 TO 8 INCHES OF SNOWFALL.
Apr 15, 2:38 PM CDTHEAVY SNOW 62 W Hosmer, SD
Apr 15, 2:44 PM CDTHEAVY SNOW 7Gettysburg, SD6 TO 7 INCHES
Apr 15, 2:49 PM CDTHEAVY SNOW 7Kennebec, SD
Apr 15, 2:52 PM CDTHEAVY SNOW 6Gann Valley, SD
Apr 15, 3:20 PM CDTSNOW 6Turton, SDSTILL SNOWING WHEN MEASURMENT WAS TAKEN
Apr 15, 4:13 PM CDTSNOW 4Langford, SD3 TO 4 INCHES
Apr 15, 4:13 PM CDTHEAVY SNOW 810 Nw Britton, SD
Apr 15, 6:00 PM CDTHEAVY SNOW 6Kennebec, SD
Apr 15, 6:00 PM CDTHEAVY SNOW 8.5Bowdle, SD
Apr 15, 6:12 PM CDTHEAVY SNOW 105 W Sully Buttes, SD
Apr 15, 7:00 PM CDTHEAVY SNOW 7Pollock, SD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 8.4 hours before the alert went out and 83 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 2011-04-14Temperature 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 00:00Z on 2011-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -60 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1387 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-60 m²/s²
0-3 km storm-relative helicity
66 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.

402 
WWUS43 KABR 140824
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
324 AM CDT THU APR 14 2011

...POTENT SPRING STORM SYSTEM TODAY AND FRIDAY...

.A SPRING STORM SYSTEM HAS BEGUN SHIFTING RAIN AND SNOW INTO
WESTERN SOUTH DAKOTA...AND THIS WILL CONTINUE TO PROGRESS
EAST...AS WELL AS BECOMING PRIMARILY SNOW BY THIS EVENING.
CURRENT MODEL TRENDS SUGGEST ANYWHERE BETWEEN AN INCH TO AN INCH
AND A HALF OF LIQUID WITH THIS SYSTEM...SO THE COMBINATION OF
TEMPERATURES HOVERING AT OR A FEW DEGREES ABOVE FREEZING AND
PERSISTENT PRECIPITATION WILL RESULT IN WIDESPREAD HEAVY WET SNOW.
THE SITUATION REMAINS FLUID AS THE EXACT LOCATION OF HEAVIEST SNOW
IS NOW FOCUSED ALONG THE JAMES AND MISSOURI VALLEYS AND POINTS IN
BETWEEN.

SDZ004-005-009-010-016-017-033>037-045-048-051-142030-
/O.UPG.KABR.WS.A.0003.110415T0600Z-110416T0600Z/
/O.NEW.KABR.WS.W.0003.110415T0000Z-110416T0000Z/
CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-POTTER-FAULK-STANLEY-SULLY-
HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...HERREID...EUREKA...MOBRIDGE...IPSWICH...
GETTYSBURG...FAULKTON...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...
MILLER...MURDO...PRESHO...FORT THOMPSON
324 AM CDT THU APR 14 2011 /224 AM MDT THU APR 14 2011/

...WINTER STORM WARNING IN EFFECT FROM 7 PM CDT /6 PM MDT/ THIS
EVENING TO 7 PM CDT /6 PM MDT/ FRIDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT
FROM 7 PM CDT /6 PM MDT/ THIS EVENING TO 7 PM CDT /6 PM MDT/
FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

* INITIALLY...PRECIPITATION WILL FALL AS RAIN DURING THE
  DAY...HOWEVER COOLING TEMPERATURES WILL ALLOW FOR A SLOW
  PROGRESSION TO SNOW THROUGH THE EVENING AND OVERNIGHT...FROM
  WEST TO EAST. TRANSITIONS BACK AND FORTH BETWEEN RAIN AND SNOW
  ARE POSSIBLE THURSDAY NIGHT AND FRIDAY AS TEMPERATURES HOVER
  AROUND FREEZING.

* MOST OF THE SNOW ACCUMULATION IS EXPECTED TO BE CENTERED BETWEEN
  THE MISSOURI AND JAMES RIVER VALLEYS. GENERALLY 4 TO 8 INCHES OF
  HEAVY WET SNOW IS EXPECTED... ALTHOUGH LOCALLY HIGHER AMOUNTS
  ARE POSSIBLE. SNOW AMOUNTS WILL VARY SIGNIFICANTLY ACROSS THE
  AREA DEPENDING ON THE TIMING OF THE TRANSITION FROM RAIN TO
  SNOW.

* WINDS OF 15 TO 25 MPH ARE EXPECTED DURING THE DURATION OF THIS
  SYSTEM...WITH WIDESPREAD REDUCED VISIBILITY IN AREAS OF HEAVY
  SNOW.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SDZ006-018-142030-
/O.UPG.KABR.WS.A.0003.110415T0600Z-110416T0600Z/
/O.NEW.KABR.WS.W.0003.110415T0000Z-110416T0600Z/
BROWN-SPINK-
INCLUDING THE CITIES OF...ABERDEEN...REDFIELD
324 AM CDT THU APR 14 2011

...WINTER STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 1 AM
CDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT
FROM 7 PM THIS EVENING TO 1 AM CDT SATURDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT. 

* INITIALLY...PRECIPITATION WILL FALL AS RAIN DURING THE
  DAY...HOWEVER COOLING TEMPERATURES WILL ALLOW FOR A SLOW
  PROGRESSION TO SNOW THROUGH THE EVENING AND OVERNIGHT...FROM
  WEST TO EAST. TRANSITIONS BACK AND FORTH BETWEEN RAIN AND SNOW
  ARE POSSIBLE THURSDAY NIGHT AND FRIDAY AS TEMPERATURES HOVER
  AROUND FREEZING.

* MOST OF THE SNOW ACCUMULATION IS EXPECTED TO BE CENTERED BETWEEN
  THE MISSOURI AND JAMES RIVER VALLEYS. GENERALLY 4 TO 8 INCHES OF
  HEAVY WET SNOW IS EXPECTED... ALTHOUGH LOCALLY HIGHER AMOUNTS
  ARE POSSIBLE. SNOW AMOUNTS WILL VARY SIGNIFICANTLY ACROSS THE
  AREA DEPENDING ON THE TIMING OF THE TRANSITION FROM RAIN TO
  SNOW. 

* WINDS OF 15 TO 25 MPH ARE EXPECTED DURING THE DURATION OF THIS 
  SYSTEM...WITH WIDESPREAD REDUCED VISIBILITY IN AREAS OF HEAVY 
  SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SDZ007-011-019-142030-
/O.NEW.KABR.WS.W.0003.110415T0000Z-110416T0600Z/
MARSHALL-DAY-CLARK-
INCLUDING THE CITIES OF...BRITTON...WEBSTER...CLARK
324 AM CDT THU APR 14 2011

...WINTER STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 1 AM
CDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT
FROM 7 PM THIS EVENING TO 1 AM CDT SATURDAY. 

* INITIALLY...PRECIPITATION WILL FALL AS RAIN DURING THE
  DAY...HOWEVER COOLING TEMPERATURES WILL ALLOW FOR A SLOW
  PROGRESSION TO SNOW THROUGH THE EVENING AND OVERNIGHT.
  TRANSITIONS BACK AND FORTH BETWEEN RAIN AND SNOW ARE POSSIBLE
  THURSDAY NIGHT AND FRIDAY AS TEMPERATURES HOVER AROUND FREEZING.

* SNOW ACCUMULATION OF 4 TO 8 INCHES OF HEAVY WET SNOW. SNOW
  AMOUNTS WILL VARY SIGNIFICANTLY ACROSS THE AREA DEPENDING ON THE
  TIMING OF THE TRANSITION FROM RAIN TO SNOW.

* WINDS OF 15 TO 25 MPH ARE EXPECTED DURING THE DURATION OF THIS
  SYSTEM...WITH WIDESPREAD REDUCED VISIBILITY IN AREAS OF HEAVY
  SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SDZ003-015-142030-
/O.UPG.KABR.WS.A.0003.110415T0600Z-110416T0600Z/
/O.NEW.KABR.WW.Y.0017.110414T1800Z-110415T1200Z/
CORSON-DEWEY-
INCLUDING THE CITIES OF...MCLAUGHLIN...TIMBER LAKE
224 AM MDT THU APR 14 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 6 AM MDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM NOON TODAY TO
6 AM MDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

* INITIALLY...PRECIPITATION WILL FALL AS RAIN EARLY...HOWEVER
  COOLING TEMPERATURES WILL ALLOW FOR A SLOW PROGRESSION TO SNOW
  THROUGH THE AFTERNOON. TRANSITIONS BACK AND FORTH BETWEEN RAIN
  AND SNOW ARE POSSIBLE THURSDAY NIGHT AND FRIDAY AS TEMPERATURES
  HOVER AROUND FREEZING.

* GENERALLY 3 TO 5 INCHES OF HEAVY WET SNOW IS POSSIBLE...
  ALTHOUGH LOCALLY HIGHER AMOUNTS ARE POSSIBLE. SNOW AMOUNTS WILL
  VARY SIGNIFICANTLY THROUGH THE AREA AS SNOW MIXES WITH RAIN AS
  WELL AS MELTING ON THE GROUND.

* WINDS OF 15 TO 25 MPH ARE EXPECTED DURING THE DURATION OF THIS
  SYSTEM...WITH WIDESPREAD REDUCED VISIBILITY IN AREAS OF HEAVY
  SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LISTEN TO NOAA WEATHER RADIO...OR YOUR LOCAL MEDIA FOR THE LATEST
WEATHER RELATED UPDATES.

&&

$$


CONNELLY
9 follow-up statements
349 
WWUS43 KABR 142026
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
326 PM CDT THU APR 14 2011

...POTENT SPRING STORM SYSTEM TONIGHT AND FRIDAY...

.A STRONG SPRING STORM CENTERED OVER THE CENTRAL PLAINS WILL BRING
WIDESPREAD MIXED PRECIPITATION AND SNOW TO THE REGION TONIGHT
THROUGH FRIDAY. SOME AREAS ARE EXPECTED TO RECEIVE SIGNIFICANT
AMOUNTS OF SLEET AND SNOW...ESPECIALLY AREAS BETWEEN THE MISSOURI
RIVER AND JAMES RIVER.   

SDZ004-005-009-010-016-017-033>037-045-048-051-151030-
/O.CON.KABR.WS.W.0003.110415T0000Z-110416T0000Z/
CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-POTTER-FAULK-STANLEY-SULLY-
HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...HERREID...EUREKA...MOBRIDGE...IPSWICH...
GETTYSBURG...FAULKTON...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...
MILLER...MURDO...PRESHO...FORT THOMPSON
326 PM CDT THU APR 14 2011 /226 PM MDT THU APR 14 2011/

...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 PM CDT /6 PM
MDT/ THIS EVENING TO 7 PM CDT /6 PM MDT/ FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 7 PM CDT /6 PM MDT/
THIS EVENING TO 7 PM CDT /6 PM MDT/ FRIDAY. 

* PRECIPITATION WILL GRADUALLY INCREASE ACROSS THE REGION
  TONIGHT...AND COULD BEGIN AS RAIN OR SNOW. HOWEVER...MOST OF THE
  PRECIPITATION SHOULD CHANGE OVER TO ALL SNOW BY MIDNIGHT. HEAVY
  SNOW WILL BE POSSIBLE POST MIDNIGHT...LASTING INTO FRIDAY MORNING.

* MOST OF THE SNOW ACCUMULATION IS EXPECTED TO BE CENTERED BETWEEN
  THE MISSOURI AND JAMES RIVER VALLEYS. GENERALLY 5 TO 10 INCHES
  OF SNOW IS EXPECTED... ALTHOUGH LOCALLY HIGHER AMOUNTS ARE
  POSSIBLE. 

* WINDS OF 15 TO 30 MPH ARE EXPECTED DURING THE DURATION OF THIS 
  SYSTEM...WITH WIDESPREAD REDUCED VISIBILITY IN AREAS OF HEAVY 
  SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SDZ006-007-011-018-019-151030-
/O.CON.KABR.WS.W.0003.110415T0000Z-110416T0600Z/
BROWN-MARSHALL-DAY-SPINK-CLARK-
INCLUDING THE CITIES OF...ABERDEEN...BRITTON...WEBSTER...
REDFIELD...CLARK
326 PM CDT THU APR 14 2011

...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 1 AM CDT SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 1 AM CDT SATURDAY. 

* INITIALLY...PRECIPITATION WILL FALL AS RAIN...SLEET OR
  SNOW...HOWEVER COOLING TEMPERATURES WILL ALLOW FOR A PROGRESSION
  TO SNOW OVERNIGHT. HEAVY SNOW IS LIKELY POST MIDNIGHT...LASTING
  THROUGH FRIDAY MORNING.

* SNOW ACCUMULATIONS OF 5 TO 8 INCHES ARE EXPECTED. LOCALLY
  HIGHER AMOUNTS WILL BE POSSIBLE.

* WINDS OF 15 TO 30 MPH ARE EXPECTED DURING THE DURATION OF THIS 
  SYSTEM...WITH WIDESPREAD REDUCED VISIBILITY IN AREAS OF HEAVY 
  SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MNZ039-046-SDZ008-020>023-151030-
/O.EXB.KABR.WW.Y.0017.110415T0000Z-110416T0600Z/
TRAVERSE-BIG STONE-ROBERTS-CODINGTON-GRANT-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...SISSETON...
WATERTOWN...MILBANK...CASTLEWOOD...CLEAR LAKE
326 PM CDT THU APR 14 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
1 AM CDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WINTER
WEATHER ADVISORY FOR MIXED PRECIPITATION...WHICH IS IN EFFECT
FROM 7 PM THIS EVENING TO 1 AM CDT SATURDAY.

* A MIX OF RAIN...FREEZING RAIN AND SNOW IS POSSIBLE OVERNIGHT AND
  INTO FRIDAY.

* GENERALLY 2 TO 4 INCHES OF SNOW AND SLEET IS POSSIBLE THROUGH
  FRIDAY...WITH MOST OF IT FALLING ON FRIDAY. 

* WINDS OF 15 TO 30 MPH ARE EXPECTED DURING THE DURATION OF THIS
  SYSTEM...WITH AREAS OF REDUCED VISIBILITY POSSIBLE DURING SNOW
  AND SLEET.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

LISTEN TO NOAA WEATHER RADIO...OR YOUR LOCAL MEDIA FOR THE LATEST
WEATHER RELATED UPDATES.

&&

$$

SDZ003-015-151030-
/O.CON.KABR.WW.Y.0017.000000T0000Z-110415T1200Z/
CORSON-DEWEY-
INCLUDING THE CITIES OF...MCLAUGHLIN...TIMBER LAKE
226 PM MDT THU APR 14 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
FRIDAY. 

* SNOW AND SLEET SHOULD OVERSPREAD THE AREA OVERNIGHT...WITH
  ACCUMULATIONS LIKELY. THE SNOW SHOULD END BY EARLY AFTERNOON ON
  FRIDAY. 

* GENERALLY 3 TO 5 INCHES OF SNOW IS EXPECTED...ALTHOUGH LOCALLY
  HIGHER AMOUNTS ARE POSSIBLE. 

* WINDS OF 15 TO 25 MPH ARE EXPECTED DURING THE DURATION OF THIS
  SYSTEM...WITH REDUCED VISIBILITY IN AREAS OF SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL
CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

LISTEN TO NOAA WEATHER RADIO...OR YOUR LOCAL MEDIA FOR THE LATEST
WEATHER RELATED UPDATES.

&&

$$
TDK
234 
WWUS43 KABR 150803
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
303 AM CDT FRI APR 15 2011

...POTENT SPRING STORM SYSTEM CONTINUES TODAY...

.A STRONG SPRING STORM CENTERED OVER THE CENTRAL PLAINS WILL
BRING WIDESPREAD MIXED PRECIPITATION AND SNOW TO THE REGION
TODAY. SOME AREAS MAY RECEIVE SIGNIFICANT AMOUNTS OF SLEET AND
SNOW...ESPECIALLY AREAS BETWEEN THE MISSOURI RIVER AND JAMES
RIVER.

SDZ004-005-009-010-016-017-033>037-045-048-051-152015-
/O.CON.KABR.WS.W.0003.000000T0000Z-110416T0000Z/
CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-POTTER-FAULK-STANLEY-SULLY-
HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...HERREID...EUREKA...MOBRIDGE...IPSWICH...
GETTYSBURG...FAULKTON...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...
MILLER...MURDO...PRESHO...FORT THOMPSON
303 AM CDT FRI APR 15 2011 /203 AM MDT FRI APR 15 2011/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM
MDT/ THIS EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM
MDT/ THIS EVENING. 

* PRECIPITATION WILL GRADUALLY INCREASE IN INTENSITY THROUGH THE
  EARLY MORNING HOURS AS THE CHANGE OVER FROM RAIN TO SNOW OCCURS.
  HEAVY SNOW WILL BE POSSIBLE THROUGH THE MORNING.

* MOST OF THE SNOW ACCUMULATION IS EXPECTED TO BE CENTERED BETWEEN
  THE MISSOURI AND JAMES RIVER VALLEYS. GENERALLY 5 TO 10 INCHES
  OF SNOW IS POSSIBLE.

* WINDS OF 15 TO 30 MPH ARE EXPECTED DURING THE DURATION OF THIS 
  SYSTEM...WITH WIDESPREAD REDUCED VISIBILITY IN AREAS OF HEAVY 
  SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SDZ006-007-011-018-019-152015-
/O.CON.KABR.WS.W.0003.000000T0000Z-110416T0600Z/
BROWN-MARSHALL-DAY-SPINK-CLARK-
INCLUDING THE CITIES OF...ABERDEEN...BRITTON...WEBSTER...
REDFIELD...CLARK
303 AM CDT FRI APR 15 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM CDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM CDT SATURDAY.

* PRECIPITATION WILL GRADUALLY INCREASE IN INTENSITY THROUGH THE
  EARLY MORNING HOURS AS THE CHANGE OVER FROM RAIN TO SNOW OCCURS.
  HEAVY SNOW WILL BE POSSIBLE THROUGH THE MORNING.

* MOST OF THE SNOW ACCUMULATION IS EXPECTED TO BE CENTERED BETWEEN
  THE MISSOURI AND JAMES RIVER VALLEYS. GENERALLY 4 TO 8 INCHES OF
  SNOW IS POSSIBLE.

* WINDS OF 15 TO 30 MPH ARE EXPECTED DURING THE DURATION OF THIS 
  SYSTEM...WITH WIDESPREAD REDUCED VISIBILITY IN AREAS OF HEAVY 
  SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SDZ003-015-151800-
/O.EXT.KABR.WW.Y.0017.000000T0000Z-110415T1800Z/
CORSON-DEWEY-
INCLUDING THE CITIES OF...MCLAUGHLIN...TIMBER LAKE
203 AM MDT FRI APR 15 2011

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL NOON MDT TODAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL NOON MDT
TODAY. 

* SNOW AND SLEET SHOULD CONTINUE THROUGH THE MORNING...TAPERING
  DURING THE MID TO LATE MORNING.

* GENERALLY 3 TO 5 INCHES OF SNOW IS EXPECTED.

* WINDS OF 15 TO 25 MPH ARE EXPECTED DURING THE DURATION OF THIS 
  SYSTEM...WITH REDUCED VISIBILITY IN AREAS OF SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

LISTEN TO NOAA WEATHER RADIO...OR YOUR LOCAL MEDIA FOR THE LATEST
WEATHER RELATED UPDATES.

&&

$$

MNZ039-046-SDZ008-020>023-152015-
/O.CON.KABR.WW.Y.0017.000000T0000Z-110416T0600Z/
TRAVERSE-BIG STONE-ROBERTS-CODINGTON-GRANT-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...SISSETON...
WATERTOWN...MILBANK...CASTLEWOOD...CLEAR LAKE
303 AM CDT FRI APR 15 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT
SATURDAY. 

* A MIX OF RAIN...FREEZING RAIN AND SNOW IS POSSIBLE THROUGH THE
  MORNING...WITH A RAPID CHANGE OVER TO SNOW. 

* GENERALLY 2 TO 4 INCHES OF SNOW AND SLEET IS POSSIBLE.

* WINDS OF 15 TO 30 MPH ARE EXPECTED DURING THE DURATION OF THIS 
  SYSTEM...WITH AREAS OF REDUCED VISIBILITY POSSIBLE DURING SNOW 
  AND SLEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

LISTEN TO NOAA WEATHER RADIO...OR YOUR LOCAL MEDIA FOR THE LATEST
WEATHER RELATED UPDATES.

&&

$$

CONNELLY
185 
WWUS43 KABR 151323
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
823 AM CDT FRI APR 15 2011

...POTENT SPRING STORM SYSTEM CONTINUES TODAY...

.A STRONG SPRING STORM CENTERED OVER THE CENTRAL PLAINS WILL
BRING WIDESPREAD MIXED PRECIPITATION AND SNOW TO THE REGION
TODAY. SOME AREAS WILL RECEIVE SIGNIFICANT AMOUNTS OF SLEET AND
SNOW.

SDZ003-015-151800-
/O.UPG.KABR.WW.Y.0017.000000T0000Z-110415T1800Z/
/O.EXB.KABR.WS.W.0003.000000T0000Z-110415T1800Z/
CORSON-DEWEY-
INCLUDING THE CITIES OF...MCLAUGHLIN...TIMBER LAKE
723 AM MDT FRI APR 15 2011

...WINTER STORM WARNING IN EFFECT UNTIL NOON MDT TODAY...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL NOON MDT
TODAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* PRECIPITATION WILL GRADUALLY DECREASE IN INTENSITY THROUGH THE
  MORNING HOURS HOWEVER FURTHER ACCUMULATIONS ARE POSSIBLE THROUGH
  MID DAY. 

* STORM TOTAL ACCUMULATIONS COULD RANGE WIDELY FROM AROUND 5
  INCHES TO NEARLY A FOOT.

* WINDS OF 15 TO 30 MPH ARE EXPECTED DURING THE DURATION OF THIS 
  SYSTEM...WITH WIDESPREAD REDUCED VISIBILITY IN AREAS OF HEAVY 
  SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SDZ004-005-009-010-016-017-033>037-045-048-051-160000-
/O.CON.KABR.WS.W.0003.000000T0000Z-110416T0000Z/
CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-POTTER-FAULK-STANLEY-SULLY-
HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...HERREID...EUREKA...MOBRIDGE...IPSWICH...
GETTYSBURG...FAULKTON...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...
MILLER...MURDO...PRESHO...FORT THOMPSON
823 AM CDT FRI APR 15 2011 /723 AM MDT FRI APR 15 2011/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM
MDT/ THIS EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM
MDT/ THIS EVENING. 

* SNOW WILL CONTINUE INTO THE AFTERNOON ACROSS THE REGION. SNOW
  WILL BE HEAVY AT TIMES...BUT TAPER OFF DURING THE AFTERNOON.

* MOST OF THE SNOW ACCUMULATION IS EXPECTED TO BE CENTERED OVER
  THE JAMES VALLEY. GENERALLY 5 TO 10 INCHES IS POSSIBLE. 

* WINDS OF 15 TO 30 MPH ARE EXPECTED DURING THE DURATION OF THIS 
  SYSTEM...WITH WIDESPREAD REDUCED VISIBILITY IN AREAS OF HEAVY 
  SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SDZ006-007-011-018-019-160130-
/O.CON.KABR.WS.W.0003.000000T0000Z-110416T0600Z/
BROWN-MARSHALL-DAY-SPINK-CLARK-
INCLUDING THE CITIES OF...ABERDEEN...BRITTON...WEBSTER...
REDFIELD...CLARK
823 AM CDT FRI APR 15 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM CDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM CDT SATURDAY.

* SNOW...HEAVY AT TIMES WILL CONTINUE INTO THE AFTERNOON
  HOURS...BUT THEN GRADUALLY TAPER OFF TOWARD LATE AFTERNOON.

* MOST OF THE SNOW ACCUMULATION IS EXPECTED TO BE OVER THE JAMES
  VALLEY AND COTEAU REGION. GENERALLY 5 TO 8 INCHES OF SNOW IS
  POSSIBLE.

* WINDS OF 15 TO 30 MPH ARE EXPECTED DURING THE DURATION OF THIS 
  SYSTEM...WITH WIDESPREAD REDUCED VISIBILITY IN AREAS OF HEAVY 
  SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MNZ039-046-SDZ008-020>023-160130-
/O.CON.KABR.WW.Y.0017.000000T0000Z-110416T0600Z/
TRAVERSE-BIG STONE-ROBERTS-CODINGTON-GRANT-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...SISSETON...
WATERTOWN...MILBANK...CASTLEWOOD...CLEAR LAKE
823 AM CDT FRI APR 15 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT
SATURDAY. 

* A MIX OF RAIN...FREEZING RAIN AND SNOW IS POSSIBLE THROUGH THE 
  MORNING...WITH A RAPID CHANGE OVER TO SNOW. 

* GENERALLY 2 TO 4 INCHES OF SNOW AND SLEET IS POSSIBLE.

* WINDS OF 15 TO 30 MPH ARE EXPECTED DURING THE DURATION OF THIS 
  SYSTEM...WITH AREAS OF REDUCED VISIBILITY POSSIBLE DURING SNOW 
  AND SLEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

LISTEN TO NOAA WEATHER RADIO...OR YOUR LOCAL MEDIA FOR THE LATEST
WEATHER RELATED UPDATES.

&&

$$
083 
WWUS43 KABR 151801
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
101 PM CDT FRI APR 15 2011

...POTENT SPRING STORM SYSTEM CONTINUES TODAY...

.A STRONG SPRING STORM CENTERED OVER THE CENTRAL PLAINS WILL
BRING WIDESPREAD MIXED PRECIPITATION AND SNOW TO THE REGION
TODAY. SOME AREAS WILL RECEIVE SIGNIFICANT AMOUNTS OF SLEET AND
SNOW.

SDZ003-015-151915-
/O.EXP.KABR.WS.W.0003.000000T0000Z-110415T1800Z/
CORSON-DEWEY-
INCLUDING THE CITIES OF...MCLAUGHLIN...TIMBER LAKE
1201 PM MDT FRI APR 15 2011

...WINTER STORM WARNING HAS EXPIRED...

THE WINTER STORM WARNING IS NO LONGER IN EFFECT. 

SNOW SHOULD CONTINUE TO GRADUALLY TAPER OFF THROUGH THE
AFTERNOON...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE. 

$$

SDZ004-005-009-010-016-017-033>037-045-048-051-160000-
/O.CON.KABR.WS.W.0003.000000T0000Z-110416T0000Z/
CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-POTTER-FAULK-STANLEY-SULLY-
HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...HERREID...EUREKA...MOBRIDGE...IPSWICH...
GETTYSBURG...FAULKTON...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...
MILLER...MURDO...PRESHO...FORT THOMPSON
101 PM CDT FRI APR 15 2011 /1201 PM MDT FRI APR 15 2011/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM
MDT/ THIS EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM
MDT/ THIS EVENING. 

* SNOW WILL CONTINUE INTO THE AFTERNOON ACROSS THE REGION. SNOW 
  WILL BE HEAVY AT TIMES...BUT TAPER OFF DURING THE AFTERNOON. 

* MOST OF THE SNOW ACCUMULATION IS EXPECTED TO BE CENTERED OVER 
  THE JAMES VALLEY. GENERALLY 5 TO 10 INCHES IS POSSIBLE. 

* WINDS OF 15 TO 30 MPH ARE EXPECTED DURING THE DURATION OF THIS 
  SYSTEM...WITH WIDESPREAD REDUCED VISIBILITY IN AREAS OF HEAVY 
  SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SDZ006-007-011-018-019-160600-
/O.CON.KABR.WS.W.0003.000000T0000Z-110416T0600Z/
BROWN-MARSHALL-DAY-SPINK-CLARK-
INCLUDING THE CITIES OF...ABERDEEN...BRITTON...WEBSTER...
REDFIELD...CLARK
101 PM CDT FRI APR 15 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM CDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM CDT SATURDAY.

* SNOW...HEAVY AT TIMES WILL CONTINUE INTO THE AFTERNOON HOURS...
  BUT THEN GRADUALLY TAPER OFF TOWARD LATE AFTERNOON. 

* MOST OF THE SNOW ACCUMULATION IS EXPECTED TO BE OVER THE JAMES 
  VALLEY AND COTEAU REGION. GENERALLY 5 TO 8 INCHES OF SNOW IS 
  POSSIBLE. 

* WINDS OF 15 TO 30 MPH ARE EXPECTED DURING THE DURATION OF THIS 
  SYSTEM...WITH WIDESPREAD REDUCED VISIBILITY IN AREAS OF HEAVY 
  SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MNZ039-046-SDZ008-020>023-160600-
/O.CON.KABR.WW.Y.0017.000000T0000Z-110416T0600Z/
TRAVERSE-BIG STONE-ROBERTS-CODINGTON-GRANT-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...SISSETON...
WATERTOWN...MILBANK...CASTLEWOOD...CLEAR LAKE
101 PM CDT FRI APR 15 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT
SATURDAY. 

* A MIX OF RAIN...FREEZING RAIN AND SNOW IS POSSIBLE THROUGH THE 
  MORNING...WITH A RAPID CHANGE OVER TO SNOW. 

* GENERALLY 2 TO 4 INCHES OF SNOW AND SLEET IS POSSIBLE.

* WINDS OF 15 TO 30 MPH ARE EXPECTED DURING THE DURATION OF THIS 
  SYSTEM...WITH AREAS OF REDUCED VISIBILITY POSSIBLE DURING SNOW 
  AND SLEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

LISTEN TO NOAA WEATHER RADIO...OR YOUR LOCAL MEDIA FOR THE LATEST
WEATHER RELATED UPDATES.

&&

$$
714 
WWUS43 KABR 152029
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
329 PM CDT FRI APR 15 2011

...POTENT SPRING STORM SYSTEM CONTINUES THIS EVENING...

.A STRONG SPRING STORM CENTERED OVER THE CENTRAL PLAINS WILL
BRING WIDESPREAD MIXED PRECIPITATION AND SNOW TO THE REGION
TODAY. SOME AREAS WILL RECEIVE SIGNIFICANT AMOUNTS OF SLEET AND
SNOW.

MNZ039-046-SDZ008-020>023-152130-
/O.CAN.KABR.WW.Y.0017.000000T0000Z-110416T0600Z/
TRAVERSE-BIG STONE-ROBERTS-CODINGTON-GRANT-HAMLIN-DEUEL-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...SISSETON...
WATERTOWN...MILBANK...CASTLEWOOD...CLEAR LAKE
329 PM CDT FRI APR 15 2011

...WINTER WEATHER ADVISORY IS CANCELLED...

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

LIGHT SNOW IS POSSIBLE THIS EVENING...BUT THE THREAT OF MIXED
PRECIPITATION AND SIGNIFICANT SNOW ACCUMULATIONS APPEARS TO HAVE
ENDED. 

$$

SDZ004-005-009-010-016-017-033>037-045-048-051-160000-
/O.CON.KABR.WS.W.0003.000000T0000Z-110416T0000Z/
CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-POTTER-FAULK-STANLEY-SULLY-
HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...HERREID...EUREKA...MOBRIDGE...IPSWICH...
GETTYSBURG...FAULKTON...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...
MILLER...MURDO...PRESHO...FORT THOMPSON
329 PM CDT FRI APR 15 2011 /229 PM MDT FRI APR 15 2011/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM
MDT/ THIS EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM
MDT/ THIS EVENING. 

* SNOW WILL CONTINUE THROUGH THE LATE AFTERNOON ACROSS THE
  REGION...BUT TAPER OFF DURING THE EVENING. 

* ANOTHER 1 TO 2 INCHES OF SNOW WILL BE POSSIBLE BEFORE THE SNOW
  ENDS.

* WINDS OF 15 TO 25 MPH ARE EXPECTED...WITH REDUCED VISIBILITY
  DURING PERIODS OF SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SDZ006-007-011-018-019-160600-
/O.CON.KABR.WS.W.0003.000000T0000Z-110416T0600Z/
BROWN-MARSHALL-DAY-SPINK-CLARK-
INCLUDING THE CITIES OF...ABERDEEN...BRITTON...WEBSTER...
REDFIELD...CLARK
329 PM CDT FRI APR 15 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM CDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM CDT SATURDAY.

* SNOW WILL CONTINUE THROUGH THE LATE AFTERNOON ACROSS THE
  REGION...BUT TAPER OFF GRADUALLY DURING THE EVENING. 

* ANOTHER 1 TO 2 INCHES OF SNOW WILL BE POSSIBLE BEFORE THE SNOW
  ENDS.

* WINDS OF 15 TO 25 MPH ARE EXPECTED...WITH REDUCED VISIBILITY
  WHILE ITS SNOWING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
872 
WWUS43 KABR 152047
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
347 PM CDT FRI APR 15 2011

...POTENT SPRING STORM SYSTEM CONTINUES THIS EVENING...

.A STRONG SPRING STORM CENTERED OVER THE CENTRAL PLAINS WILL
BRING WIDESPREAD MIXED PRECIPITATION AND SNOW TO THE REGION
TODAY. SOME AREAS WILL RECEIVE SIGNIFICANT AMOUNTS OF SLEET AND
SNOW.

SDZ033-045-152200-
/O.CAN.KABR.WS.W.0003.000000T0000Z-110416T0000Z/
STANLEY-JONES-
INCLUDING THE CITIES OF...FORT PIERRE...MURDO
347 PM CDT FRI APR 15 2011 /247 PM MDT FRI APR 15 2011/

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS CANCELLED THE WINTER
STORM WARNING. 

THE SNOW IS ENDING ACROSS THE REGION...THUS THE WARNING HAS BEEN
CANCELLED.   

$$

SDZ004-005-009-010-016-017-034>037-048-051-160000-
/O.CON.KABR.WS.W.0003.000000T0000Z-110416T0000Z/
CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-POTTER-FAULK-SULLY-HUGHES-
HYDE-HAND-LYMAN-BUFFALO-
INCLUDING THE CITIES OF...HERREID...EUREKA...MOBRIDGE...IPSWICH...
GETTYSBURG...FAULKTON...ONIDA...PIERRE...HIGHMORE...MILLER...
PRESHO...FORT THOMPSON
347 PM CDT FRI APR 15 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING. 

* SNOW WILL CONTINUE THROUGH THE LATE AFTERNOON ACROSS THE 
  REGION...BUT TAPER OFF DURING THE EVENING. 

* ANOTHER 1 TO 2 INCHES OF SNOW WILL BE POSSIBLE BEFORE THE SNOW 
  ENDS. 

* WINDS OF 15 TO 25 MPH ARE EXPECTED...WITH REDUCED VISIBILITY 
  DURING PERIODS OF SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SDZ006-007-011-018-019-160600-
/O.CON.KABR.WS.W.0003.000000T0000Z-110416T0600Z/
BROWN-MARSHALL-DAY-SPINK-CLARK-
INCLUDING THE CITIES OF...ABERDEEN...BRITTON...WEBSTER...
REDFIELD...CLARK
347 PM CDT FRI APR 15 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM CDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM CDT SATURDAY.

* SNOW WILL CONTINUE THROUGH THE LATE AFTERNOON ACROSS THE 
  REGION...BUT TAPER OFF GRADUALLY DURING THE EVENING. 

* ANOTHER 1 TO 2 INCHES OF SNOW WILL BE POSSIBLE BEFORE THE SNOW 
  ENDS. 

* WINDS OF 15 TO 25 MPH ARE EXPECTED...WITH REDUCED VISIBILITY 
  WHILE ITS SNOWING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
229 
WWUS43 KABR 160013
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
713 PM CDT FRI APR 15 2011

...POTENT SPRING STORM SYSTEM CONTINUES THIS EVENING...

.A STRONG SPRING STORM CENTERED OVER THE CENTRAL PLAINS WILL
CONTINUE TO BRING SNOW TO THE REGION TONIGHT.

SDZ037-051-160300-
/O.EXP.KABR.WS.W.0003.000000T0000Z-110416T0000Z/
/O.NEW.KABR.WS.W.0004.110416T0013Z-110416T0300Z/
HAND-BUFFALO-
INCLUDING THE CITIES OF...MILLER...FORT THOMPSON
713 PM CDT FRI APR 15 2011

...WINTER STORM WARNING IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...WINTER STORM WARNING HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WINTER
STORM WARNING FOR SNOW...WHICH IS IN EFFECT UNTIL 10 PM CDT THIS
EVENING. THE WINTER STORM WARNING IS NO LONGER IN EFFECT.

* SNOW WILL CONTINUE THROUGH THE EARLY EVENING HOURS.

* ANOTHER INCH OF SNOW WILL BE POSSIBLE BEFORE THE SNOW ENDS.

* WINDS OF 15 TO 25 MPH ARE EXPECTED...WITH REDUCED VISIBILITY 
  DURING PERIODS OF SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SDZ004-005-009-010-016-017-034>036-048-160115-
/O.EXP.KABR.WS.W.0003.000000T0000Z-110416T0000Z/
CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-POTTER-FAULK-SULLY-HUGHES-
HYDE-LYMAN-
INCLUDING THE CITIES OF...HERREID...EUREKA...MOBRIDGE...IPSWICH...
GETTYSBURG...FAULKTON...ONIDA...PIERRE...HIGHMORE...PRESHO
713 PM CDT FRI APR 15 2011

...WINTER STORM WARNING HAS EXPIRED...

THE WINTER STORM WARNING IS NO LONGER IN EFFECT. 


$$

SDZ006-007-011-018-019-160600-
/O.CON.KABR.WS.W.0003.000000T0000Z-110416T0600Z/
BROWN-MARSHALL-DAY-SPINK-CLARK-
INCLUDING THE CITIES OF...ABERDEEN...BRITTON...WEBSTER...
REDFIELD...CLARK
713 PM CDT FRI APR 15 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM CDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM CDT SATURDAY.

* SNOW WILL CONTINUE THROUGH THE EVENING HOURS...AND WILL
  GRADUALLY TAPER OFF SHORTLY AFTER MIDNIGHT

* ANOTHER INCH OF SNOW WILL BE POSSIBLE BEFORE THE SNOW ENDS.

* WINDS OF 15 TO 25 MPH ARE EXPECTED...WITH REDUCED VISIBILITY 
  WHILE ITS SNOWING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PARKIN
180 
WWUS43 KABR 160018
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
718 PM CDT FRI APR 15 2011

...POTENT SPRING STORM SYSTEM CONTINUES THIS EVENING...

.A STRONG SPRING STORM CENTERED OVER THE CENTRAL PLAINS WILL
CONTINUE TO BRING SNOW TO THE REGION TONIGHT.

SDZ037-051-160300-
/O.CON.KABR.WS.W.0004.000000T0000Z-110416T0300Z/
HAND-BUFFALO-
INCLUDING THE CITIES OF...MILLER...FORT THOMPSON
718 PM CDT FRI APR 15 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING. 

* SNOW WILL CONTINUE THROUGH THE EARLY EVENING HOURS.

* ANOTHER INCH OF SNOW WILL BE POSSIBLE BEFORE THE SNOW ENDS.

* WINDS OF 15 TO 25 MPH ARE EXPECTED...WITH REDUCED VISIBILITY 
  DURING PERIODS OF SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SDZ006-007-011-018-019-160600-
/O.CON.KABR.WS.W.0003.000000T0000Z-110416T0600Z/
BROWN-MARSHALL-DAY-SPINK-CLARK-
INCLUDING THE CITIES OF...ABERDEEN...BRITTON...WEBSTER...
REDFIELD...CLARK
718 PM CDT FRI APR 15 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM CDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 AM CDT SATURDAY.

* SNOW WILL CONTINUE THROUGH THE EVENING HOURS...AND WILL 
  GRADUALLY TAPER OFF SHORTLY AFTER MIDNIGHT 

* ANOTHER INCH OF SNOW WILL BE POSSIBLE BEFORE THE SNOW ENDS.

* WINDS OF 15 TO 25 MPH ARE EXPECTED...WITH REDUCED VISIBILITY 
  WHILE ITS SNOWING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PARKIN
301 
WWUS43 KABR 160309
WSWABR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE ABERDEEN SD
1009 PM CDT FRI APR 15 2011

SDZ006-007-011-018-019-160415-
/O.CAN.KABR.WS.W.0003.000000T0000Z-110416T0600Z/
BROWN-MARSHALL-DAY-SPINK-CLARK-
INCLUDING THE CITIES OF...ABERDEEN...BRITTON...WEBSTER...
REDFIELD...CLARK
1009 PM CDT FRI APR 15 2011

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS CANCELLED THE WINTER
STORM WARNING. 

LIGHT SNOW HAS ENDED OR WILL END SHORTLY ACROSS THE AREA. SLICK
ROAD CONDITIONS CAN BE EXPECTED OVERNIGHT AS TEMPERATURES FALL
BELOW FREEZING.

$$

SDZ037-051-160415-
/O.EXP.KABR.WS.W.0004.000000T0000Z-110416T0300Z/
HAND-BUFFALO-
INCLUDING THE CITIES OF...MILLER...FORT THOMPSON
1009 PM CDT FRI APR 15 2011

...WINTER STORM WARNING HAS EXPIRED...

THE WINTER STORM WARNING IS NO LONGER IN EFFECT. 

LIGHT SNOW HAS ENDED ACROSS THE AREA. SLICK ROAD CONDITIONS CAN BE
EXPECTED OVERNIGHT AS TEMPERATURES FALL BELOW FREEZING.


$$

PARKIN

What forecasters said that day

The local office's own words before this winter storm 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 winter storm warning went out at Apr 13, 9:20 PM CDT, 6 hours 4 minutes earlier.

Area forecast discussion, Apr 13, 9:20 PM CDT, 6 hours 4 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE ABERDEEN SD
920 PM CDT WED APR 13 2011

.UPDATE...
THE ONLY CHANGE MADE TO THE FORECAST THIS EVENING WAS TO INCREASE
THE CLOUD COVER ALONG THE SISSETON HILLS WHERE SATELLITE SHOWS
SOME LOW CLOUDS HAVE DEVELOPED. OTHERWISE...CURRENT FORECAST IS ON
TRACK. NO CHANGES MADE TO WINDS OR TEMPERATURES. NEW AVIATION
DISCUSSION BELOW.

&&
.PREV DISCUSSION...
.SHORT TERM...TONIGHT THROUGH FRIDAY NIGHT
A VERY CHALLENGING FORECAST IS IN STORE FOR THE SHORT TERM. WHILE
FORECASTER CONFIDENCE IS HIGH WITH REGARDS TO POPS...THERE IS A
LOW FORECASTER CONFIDENCE ON P-TYPE AND SNOWFALL AMOUNTS.

ALL MODELS AGREE FAIRLY WELL THROUGHOUT THE SHORT TERM...WITH ALL
MODELS DEVELOPING A LOW PRESSURE OVER THE PANHANDLE OF OKLAHOMA
LATE TONIGHT. AS THE LOW PRESSURE MOVE NE ON THURSDAY...IT WILL
DRAW MOISTURE INTO THE SOUTHERN HALF OF THE CWA. BELIEVE MOST OF
THE PCPN ON THURSDAY WILL FALL AS ALL RAIN AS SURFACE AND UPPER
LEVEL TEMPERATURES ARE ABOVE FREEZING. THE CAA DOES NOT BEGIN
UNTIL THE UPPER LEVEL LOW PRESSURE BECOMES NEGATIVELY TILTED LATE
IN THE DAY ON THURSDAY. THE QUESTION BECOMES...HOW COLD
TEMPERATURES WILL REALLY BE WHEN THE SOURCE REGION OF THE COLD IS
COMING FROM THE GREAT LAKES REGION. MODEL SOUNDINGS STILL SHOW A
GRADUAL TRANSITION FROM WEST TO EAST DURING THE OVERNIGHT HOURS ON
THURSDAY. BY FRIDAY MORNING...MOST LOCATIONS SHOULD BE COLD ENOUGH
TO SEE ALL SNOW. HOWEVER BY 18Z FRIDAY...AN ALBERTA CLIPPER WILL
BEGIN TO PASS NW OF THE REGION...WHICH SHOULD DRAW WARMER
TEMPERATURES INTO THE EXTREME WESTERN CWA. THESE WARMER
TEMPERATURES...ALONG WITH SIGNIFICANT MID LEVEL DRYING SHOULD
QUICKLY END THE SNOW EVENT. IN FACT...THE MID LEVEL DRY AIR SHOULD
ENCOMPASS MOST OF THE CWA BY 12Z SATURDAY.

BASED ON MODEL RUN SNOW ACCUMS AND HPC GUIDANCE...WILL MAINTAIN
HIGH SNOWFALL AMOUNTS FOR THE TIME BEING. WITH SURFACE TEMPS
AROUND FREEZING...IT WILL BE INTERESTING TO SEE HOW MUCH SNOW
ACTUALLY ACCUMULATES. ALSO...MODELS SEEM TO BE MOVING THE HEAVIEST
PCPN/SNOW BAND FARTHER EAST THEN YESTERDAY'S MODEL RUN. WILL
EXPAND THE WATCH TO INCLUDE BROWN AND SPINK COUNTY FOR NOW.

.LONG TERM...SATURDAY THROUGH WEDNESDAY
THE OPERATIONAL MODELS AND GFS ENSEMBLES AGREE WELL THAT THE UPPER
LEVEL FLOW OVER OUR REGION WILL BE ON THE COLD SIDE. WEST TO
NORTHWEST FLOW WILL BRING IN COLDER AIR FROM WESTERN CANADA
THROUGH THE LONG TERM. TEMPERATURES ARE EXPECTED TO BE MUCH BELOW
NORMAL THROUGH THE PERIOD WITH HIGHS MAINLY IN THE 40S WITH LOWS
MAINLY IN THE 20S. ALSO...SEVERAL UPPER LEVEL LOW PRESSURE TROUGHS
WILL MOVE ACROSS THE REGION WITH THE MOST SIGNIFICANT ONE MONDAY
THROUGH TUESDAY. ALREADY HAVE IN CHANCES OF RAIN/SNOW FOR THIS
TIME PERIOD.

&&

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

VFR CONDITIONS WILL PREVAIL ACROSS THE MAJORITY OF THE AREA
TONIGHT. THE EXCEPTION WILL BE ALONG THE SISSETON HILLS WHERE MVFR
CIGS HAVE DEVELOPED. LOWER CIGS WILL BEGIN TO OVERSPREAD THE
REGION FROM WEST TO EAST LATE TONIGHT...AND RAIN WILL DO THE SAME
DURING THE DAY THURSDAY...WITH VSBYS THEN FALLING INTO THE MVFR
CATEGORY. THE RAIN IS EXPECTED TO SWITCH OVER TO SNOW LATE
THURSDAY NIGHT AND CONTINUE THROUGH THE DAY FRIDAY.

&&

.ABR WATCHES/WARNINGS/ADVISORIES...
SD...WINTER STORM WATCH FROM LATE THURSDAY NIGHT THROUGH LATE FRIDAY
     NIGHT FOR BROWN-BUFFALO-CAMPBELL-CORSON-DEWEY-EDMUNDS-FAULK-
     HAND-HUGHES-HYDE-JONES-LYMAN-MCPHERSON-POTTER-SPINK-STANLEY-
     SULLY-WALWORTH.

MN...NONE.
&&

UPDATE...PARKIN
SHORT TERM...SD
LONG TERM...MOHR
AVIATION...PARKIN

WEATHER.GOV/ABERDEEN
Hazardous weather outlook, Apr 13, 4:15 AM CDT, 23 hours 9 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ABERDEEN SD
415 AM CDT WED APR 13 2011

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-140915-
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-
415 AM CDT WED APR 13 2011 /315 AM MDT WED APR 13 2011/

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SIGNIFICANT SNOW ACCUMULATIONS POSSIBLE ACROSS CENTRAL AND NORTH
CENTRAL SOUTH DAKOTA THURSDAY NIGHT AND FRIDAY.
INITIALLY...PRECIPITATION WILL BEGIN AS RAIN BUT TRANSITION AS
TEMPERATURES COOL DURING THE EVENING. LESSER SNOWFALL AMOUNTS ARE
EXPECTED IN NORTHEAST SOUTH DAKOTA AND WEST CENTRAL MINNESOTA AS
TEMPERATURES WILL BE WARMER LONGER...AND THE DURATION OF
PRECIPITATION WILL BE SHORTER AND LESS INTENSE.

.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
Apr 14, 3:24 AM CDTWinter Weather AdvisoryABRCodington, Corson, Deuel, Dewey, Grant, Hamlin and 1 more36 hr

Nearby

Winter Storm Warnings in South Dakota, 2011Every winter storm 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.