HAZARDOUS WEATHER OUTLOOK
Issue Date: 624 AM MST TUE DEC 22 2009
Expiration: 700 AM MST WED DEC 23 2009

Expires:200912231400;;
FLUS43 KUNR 221324
HWOUNR
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RAPID CITY SD
625 AM MST TUE DEC 22 2009
SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-231400-
BENNETT-BUTTE-CENTRAL BLACK HILLS-CUSTER CO PLAINS-FALL RIVER-HAAKON-
HARDING-HERMOSA FOOT HILLS-JACKSON-MELLETTE-NORTHEASTERN CROOK-
NORTHERN BLACK HILLS-NORTHERN CAMPBELL-NORTHERN FOOT HILLS-
NORTHERN MEADE CO PLAINS-PENNINGTON CO PLAINS-PERKINS-RAPID CITY-
SHANNON-SOUTHERN BLACK HILLS-SOUTHERN CAMPBELL-SOUTHERN FOOT HILLS-
SOUTHERN MEADE CO PLAINS-STURGIS/PIEDMONT FOOT HILLS-TODD-TRIPP-
WESTERN CROOK-WESTON-WYOMING BLACK HILLS-ZIEBACH-
625 AM MST (725 AM CST) TUE DEC 22 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND
NORTHEASTERN WYOMING.
...WINTER STORM WARNING FOR THE BLACK HILLS AND BEAR LODGE
   MOUNTAINS WEDNESDAY THROUGH THURSDAY AFTERNOON...
...WINTER STORM WARNING FOR SOUTH CENTRAL INTO PARTS OF WEST CENTRAL
   SOUTH DAKOTA WEDNESDAY THROUGH THURSDAY EVENING...
...WINTER STORM WATCH FOR FAR SOUTHWEST SOUTH DAKOTA LATE TONIGHT
   THROUGH THURSDAY AFTERNOON...
...WINTER STORM WATCH FOR NORTHWEST SOUTH DAKOTA...FAR NORTHEAST
   WYOMING...AND THE EASTERN AND NORTHERN FOOTHILLS WEDNESDAY
   THROUGH THURSDAY AFTERNOON...
...WINTER STORM WATCH FOR THE REMAINDER OF WEST CENTRAL SOUTH DAKOTA
   WEDNESDAY THROUGH THURSDAY NIGHT...
.DAY ONE...TODAY AND TONIGHT
FREEZING FOG OVER THE PLAINS OF WESTERN INTO SOUTH CENTRAL SOUTH
DAKOTA WILL REDUCE VISIBILITITES TO UNDER ONE HALF MILE AT TIME THIS
MORNING. VISIBILITIES ARE EXPECTED TO IMPROVE THIS AFTERNOON.
A LOW PRESSURE SYSTEM OVER THE WESTERN UNITED STATES WILL SLOWLY MOVE
EASTERLY THIS EVENING. SNOW WILL START TO DEVELOP TONIGHT INTO
EARLY WEDNESDAY MORNING OVER NORTHEAST WYOMING AND FAR WESTERN
SOUTH DAKOTA.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
THE LOW PRESSURE SYSTEM WILL PUSH INTO THE PLAINS ON WEDNESDAY INTO
THURSDAY. SNOW WILL CONTINUE TO DEVELOP ON WEDNESDAY...AND CONTINUE
INTO THURSDAY. THE HEAVIEST SNOWS ARE EXPECTED TO BE OVER SOUTH
CENTRAL INTO PORTIONS OF WESTERN SOUTH DAKOTA...AND OVER THE BLACK
HILLS. GUSTY NORTHWESTERLY WINDS WILL DEVELOP WEDNESDAY NIGHT INTO
THURSDAY...PRODUCING AREAS OF BLOWING SNOW. THE SNOW IS EXPECTED TO
TAPER OFF BY THURSDAY EVENING INTO FRIDAY.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.
$$

WINTER STORM WARNING
Issue Date: 423 AM MST TUE DEC 22 2009
Expiration: 500 PM MST THU DEC 24 2009

...WHITE CHRISTMAS LIKELY FOR WESTERN SOUTH DAKOTA AND NORTHEAST
WYOMING...
.AN UPPER LEVEL STORM SYSTEM OVER THE WESTERN UNITED STATES WILL
MOVE INTO THE FOUR CORNERS AREA TONIGHT...AND INTO THE PLAINS ON
WEDNESDAY INTO THURSDAY. THIS WILL BRING SNOW WITH AREAS OF
BLOWING SNOW TO SOUTH DAKOTA INTO NORTHEAST WYOMING.
SDZ024-WYZ057-221930-
/O.UPG.KUNR.WS.A.0012.091223T0600Z-091225T0000Z/
/O.NEW.KUNR.WS.W.0010.091223T1200Z-091225T0000Z/
NORTHERN BLACK HILLS-WYOMING BLACK HILLS-
INCLUDING THE CITIES OF...LEAD...DEADWOOD...SUNDANCE...
FOUR CORNERS
423 AM MST TUE DEC 22 2009
...WINTER STORM WARNING IN EFFECT FROM 5 AM WEDNESDAY TO 5 PM MST
THURSDAY...
THE NATIONAL WEATHER SERVICE IN RAPID CITY HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 5 AM WEDNESDAY TO 5 PM MST THURSDAY. THE WINTER STORM WATCH
IS NO LONGER IN EFFECT.
* SNOW IS EXPECTED TO DEVELOP BY EARLY WEDNESDAY MORNING...AND
CONTINUE THROUGH THURSDAY AFTERNOON.
* SNOW ACCUMULATIONS OF 8 TO 13 INCHES ARE EXPECTED ACROSS THE
AREA BY LATE THURSDAY AFTERNOON.
* AREAS OF BLOWING SNOW WILL DEVELOP WEDNESDAY NIGHT AND CONTINUE
THROUGH THURSDAY...REDUCING VISIBILITIES TO ONE-QUARTER MILE AT
TIMES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING MEANS HEAVY SNOW...STRONG WIND...FREEZING
PRECIPITATION...AND COLD TEMPERATURES WILL CREATE DANGEROUS
CONDITIONS.
$$

WINTER STORM WATCH
Issue Date: 423 AM MST TUE DEC 22 2009
Expiration: 500 PM MST THU DEC 24 2009

...WHITE CHRISTMAS LIKELY FOR WESTERN SOUTH DAKOTA AND NORTHEAST
WYOMING...
.AN UPPER LEVEL STORM SYSTEM OVER THE WESTERN UNITED STATES WILL
MOVE INTO THE FOUR CORNERS AREA TONIGHT...AND INTO THE PLAINS ON
WEDNESDAY INTO THURSDAY. THIS WILL BRING SNOW WITH AREAS OF
BLOWING SNOW TO SOUTH DAKOTA INTO NORTHEAST WYOMING.
WYZ056-058-071-221930-
/O.EXA.KUNR.WS.A.0012.091223T1200Z-091225T0000Z/
WESTERN CROOK-WESTON-NORTHEASTERN CROOK-
INCLUDING THE CITIES OF...MOORCROFT...HULETT...NEWCASTLE...COLONY
423 AM MST TUE DEC 22 2009
...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY AFTERNOON...
THE NATIONAL WEATHER SERVICE IN RAPID CITY HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY AFTERNOON.
* SNOW IS EXPECTED TO DEVELOP BY EARLY WEDNESDAY MORNING AND
CONTINUE THROUGH THURSDAY AFTERNOON.
* SNOW ACCUMULATIONS OF 5 TO 9 INCHES ARE EXPECTED ACROSS THE
AREA BY LATE THURSDAY AFTERNOON.
* AREAS OF BLOWING SNOW ARE EXPECTED TO DEVELOP WEDNESDAY EVENING
AND CONTINUE THROUGH THURSDAY...REDUCING VISIBILITIES AT TIMES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS HEAVY SNOW...STRONG WIND...FREEZING
PRECIPITATION...AND COLD TEMPERATURES ARE POSSIBLE...BUT THE
TIMING OR TRACK OF THE STORM IS STILL UNCERTAIN. MONITOR NOAA
WEATHER RADIO...LOCAL RADIO OR TELEVISION...OR THE INTERNET FOR
UPDATES ON THIS POTENTIALLY DANGEROUS STORM. TAKE TIME TO PREPARE
FOR SEVERE WINTER CONDITIONS BEFORE THE STORM DEVELOPS.
$$