HAZARDOUS WEATHER OUTLOOK
Issue Date: 550 AM CST THU DEC 24 2009
Expiration: 545 AM CST FRI DEC 25 2009

/440 AM MST THU DEC 24 2009/
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
PERIODS OF LIGHT SNOW WILL CONTINUE TODAY. THE FRESH SNOW
COMBINED WITH GUSTY NORTHWEST WINDS RESULT IN BLOWING SNOW AND LOW
VISIBILITIES ACROSS THE REGION. THE STORM SYSTEM WILL CONTINUE TO
INTENSIFY AND SNOWFALL RATES WILL INCREASE TONIGHT.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
HEAVY SNOWFALL WILL CONTINUE FRIDAY AND SATURDAY. STRONG NORTHERLY
WINDS OF 35 TO 40 MPH WILL ALSO PERSIST THROUGH THE DURATION OF
THE STORM. WIDESPREAD BLOWING AND DRIFTING SNOW WILL RESULT IN
VISIBILITIES NEAR ZERO AT TIMES. STORM TOTAL SNOWFALL AMOUNTS OF 8
TO 15 INCHES ARE STILL EXPECTED WITH SOME LOCATIONS RECEIVING AS
MUCH AS 20 INCHES.
.SPOTTER INFORMATION STATEMENT...
NO SPOTTER ACTIVATION REQUIRED.
$$

WINTER STORM WARNING
Issue Date: 451 AM CST THU DEC 24 2009
Expiration: 1200 PM CST SAT DEC 26 2009

...A MAJOR WINTER STORM THROUGH SATURDAY MORNING...
.A SURFACE LOW PRESSURE AREA IN THE SOUTHERN PLAINS THIS MORNING
WILL BE MAKING ITS WAY NORTH AND INTENSIFYING THROUGH FRIDAY
MORNING. BY FRIDAY AFTERNOON...THIS INTENSE AREA OF LOW PRESSURE
WILL BE IN IOWA WRAPPING ABUNDANT SNOW INTO CENTRAL AND EASTERN
SOUTH DAKOTA AS WELL AS WEST CENTRAL MINNESOTA. ALONG WITH THE
SNOW WILL BE VERY STRONG NORTH WINDS CAUSING WIDESPREAD BLOWING
AND DRIFTING SNOW. THESE CONDITIONS WILL CONTINUE THROUGH SATURDAY
MORNING.
MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-241900-
/O.EXT.KABR.WS.W.0007.000000T0000Z-091226T1800Z/
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-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...MCLAUGHLIN...
HERREID...EUREKA...ABERDEEN...BRITTON...SISSETON...MOBRIDGE...
IPSWICH...WEBSTER...TIMBER LAKE...GETTYSBURG...FAULKTON...
REDFIELD...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...MILLER...
MURDO...PRESHO...FORT THOMPSON
451 AM CST THU DEC 24 2009 /351 AM MST THU DEC 24 2009/
...WINTER STORM WARNING NOW IN EFFECT UNTIL NOON CST /11 AM MST/
SATURDAY...
THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL NOON CST /11 AM
MST/ SATURDAY.
* PERIODS OF SNOW WILL CONTINUE TODAY AND THEN INTENSIFY TONIGHT
AND FRIDAY. THE SNOW WILL CONTINUE THROUGH FRIDAY NIGHT...DIMINISHING
THROUGH THE DAY SATURDAY.
* SNOWFALL AMOUNTS ARE EXPECTED TO RANGE FROM 11 TO 13 INCHES
ACROSS CENTRAL AND NORTH CENTRAL SOUTH DAKOTA...14 TO 17 INCHES
IN THE JAMES VALLEY...AND 17 TO 20 INCHES ACROSS NORTHEAST SOUTH
DAKOTA AND WEST CENTRAL MINNESOTA.
* NORTHWEST WINDS WILL INCREASE TO 25 TO 40 MPH BY TONIGHT...WITH
HIGHER GUSTS LIKELY. THESE STRONG NORTHWEST WINDS WILL CONTINUE
THROUGH SATURDAY MORNING.
* INTENSE SNOWFALL RATES OF AN INCH OR TWO AN HOUR WILL BE
POSSIBLE TONIGHT THROUGH FRIDAY. AREAS OF BLOWING SNOW WILL
BECOME WIDESPREAD TONIGHT AS NORTH WINDS INCREASE TO 25 TO 40
MPH WITH HIGHER GUSTS CREATING NEAR WHITEOUT CONDITIONS.
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.
$$
MOHR/KRAMLICH

WINTER STORM WATCH
Issue Date: 216 PM CST MON DEC 21 2009
Expiration: 600 PM CST FRI DEC 25 2009

...SIGNIFICANT STORM SYSTEM POSSIBLE WEDNESDAY NIGHT INTO FRIDAY...
.A STRONG AREA OF LOW PRESSURE IS EXPECTED TO DEVELOP IN THE
SOUTHERN PLAINS ON WEDNESDAY AND THEN MOVE NORTHEAST ACROSS
MISSOURI...IOWA AND INTO THE GREAT LAKES REGION BY SATURDAY
MORNING. WIDESPREAD SNOW IS EXPECTED TO DEVELOP ACROSS CENTRAL AND
NORTHEAST SOUTH DAKOTA ALONG WITH WEST CENTRAL MINNESOTA BY
WEDNESDAY AFTERNOON. IF THE STORM MOVES ALONG THIS TRACK...THE
EASTERN HALF OF SOUTH DAKOTA AND WEST CENTRAL MINNESOTA COULD
SEE SOME SIGNIFICANT SNOWFALL BY FRIDAY MORNING. ALONG WITH THE
SNOW...STRONG NORTH WINDS COULD DEVELOP CAUSING BLOWING SNOW AND
LOW VISIBILITIES. THE TRACK OF THE STORM COULD STILL
CHANGE...RESULTING IN CHANGES IN THE LOCATION OF THE MOST
SIGNIFICANT SNOWFALL AND WIND.
MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-220500-
/O.NEW.KABR.WS.A.0008.091224T0000Z-091226T0000Z/
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-
INCLUDING THE CITIES OF...WHEATON...ORTONVILLE...MCLAUGHLIN...
HERREID...EUREKA...ABERDEEN...BRITTON...SISSETON...MOBRIDGE...
IPSWICH...WEBSTER...TIMBER LAKE...GETTYSBURG...FAULKTON...
REDFIELD...CLARK...WATERTOWN...MILBANK...CASTLEWOOD...
CLEAR LAKE...FORT PIERRE...ONIDA...PIERRE...HIGHMORE...MILLER...
MURDO...PRESHO...FORT THOMPSON
216 PM CST MON DEC 21 2009 /116 PM MST MON DEC 21 2009/
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
FRIDAY AFTERNOON...
THE NATIONAL WEATHER SERVICE IN ABERDEEN HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM WEDNESDAY EVENING THROUGH
FRIDAY AFTERNOON.
* WIDESPREAD LIGHT SNOW IS EXPECTED TO DEVELOP WEDNESDAY
AFTERNOON...WITH SNOWFALL INTENSITY INCREASING DURING THE DAY ON
THURSDAY. DEPENDING ON THE STORM TRACK...ADDITIONAL SNOWFALL MAY
BE POSSIBLE THROUGH FRIDAY EVENING.
* DEPENDING ON THE TRACK OF THIS STORM SYSTEM...SNOWFALL AMOUNTS
COULD RANGE FROM 4 TO 6 INCHES...IN NORTH CENTRAL SOUTH
DAKOTA...TO AS MUCH AS 5 TO 9 INCHES ELSEWHERE.
* NORTHERLY WINDS OF 10 TO 15 MPH ON WEDNESDAY ARE EXPECTED TO
INCREASE DURING THE DAY ON THURSDAY TO 20 TO 25 MPH. STRONGER
WINDS MAY BE POSSIBLE BY FRIDAY AFTERNOON.
* DEPENDING ON SNOWFALL INTENSITY AND SUSTAINED
WINDS...VISIBILITIES MAY BE RESTRICTED TO A FEW MILES ON
THURSDAY. A FURTHER REDUCTION IN VISIBILITIES MAY BE POSSIBLE ON
FRIDAY DEPENDING ON THE STRENGTH OF THE WINDS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.
$$
SD/AD