HAZARDOUS WEATHER OUTLOOK
Issue Date: 613 AM CST WED DEC 23 2009
Expiration: 800 AM CST THU DEC 24 2009

Expires:200912241400;;
FLUS43 KUNR 231210
HWOUNR
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RAPID CITY SD
437 AM MST WED DEC 23 2009
SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-241400-
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-
437 AM MST (537 AM CST) WED DEC 23 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND
NORTHEASTERN WYOMING.
...WINTER STORM WARNING FOR THE BLACK HILLS AND BEAR LODGE MOUNTAINS
   TODAY THROUGH FRIDAY AFTERNOON...
...WINTER STORM WARNING FOR SOUTH CENTRAL AND PARTS OF WESTERN
   SOUTH DAKOTA THIS AFTERNOON THROUGH FRIDAY AFTERNOON...
...WINTER WEATHER ADVISORY FOR THE REMAINDER OF NORTHEAST WYOMING
   TODAY AND TONIGHT...
...WINTER WEATHER ADVISORY FOR THE PLAINS OF FAR WESTERN SOUTH
   DAKOTA TODAY THROUGH FRIDAY AFTERNOON...
.DAY ONE...TODAY AND TONIGHT
FREEZING FOG OVER THE EASTERN AND NORTHERN FOOTHILLS OF THE BLACK
HILLS WILL CONTINUE TO REDUCE VISIBILITIES TO UNDER ONE-QUARTER
MILE AT TIMES EARLY THIS MORNING. VISIBILITIES WILL IMPROVE TOWARDS
MID-DAY AS WINDS START TO SWITCH NORTHERLY AND SNOW DEVELOPS.
A PAIR OF LOW PRESSURE SYSTEMS WILL COMBINE TO PRODUCE SNOW OVER
NORTHEAST WYOMING INTO WESTERN AND SOUTH CENTRAL SOUTH DAKOTA TODAY
INTO TONIGHT. A COLD FRONT WILL PUSH THROUGH THE AREA TODAY INTO
TONIGHT. GUSTY NORTHWEST WINDS WILL DEVELOP IN ITS WAKE...PRODUCING
AREAS OF BLOWING SNOW.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
THE LOW PRESSURE SYSTEMS WILL COMBINE AND MOVE THROUGH THE PLAINS
TOWARDS THE MIDWEST THURSDAY INTO FRIDAY...WITH AREAS OF SNOW
CONTINUING. GUSTY NORTHWEST WINDS WILL CONTINUE PRODUCING AREAS OF
BLOWING AND DRIFTING SNOW THROUGH THE DAY ON FRIDAY. ALSO...THE
WINDS WILL COMBINE WITH COLD TEMPERATURES TO PRODUCE WIND CHILLS OF
15 BELOW TO 30 BELOW ZERO BY THURSDAY NIGHT. THE STORM WILL SLOWLY
EXIT THE AREA BY LATE FRIDAY INTO EARLY SATURDAY.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.
$$

WINTER STORM WARNING
Issue Date: 528 AM CST WED DEC 23 2009
Expiration: 600 PM CST FRI DEC 25 2009

.AN UPPER LEVEL STORM SYSTEM OVER THE SOUTHWESTERN UNITED STATES
WILL MOVE ACROSS THE PLAINS TOWARDS THE MIDWEST TODAY THROUGH
FRIDAY. THIS STORM WILL BRING SNOW...BLOWING SNOW...AND FRIGID
WIND CHILL VALUES TO WESTERN AND SOUTH CENTRAL SOUTH DAKOTA...AND
OVER NORTHEAST WYOMING.
SDZ046-047-049-231930-
/O.EXT.KUNR.WS.W.0010.091223T1800Z-091226T0000Z/
MELLETTE-TODD-TRIPP-
INCLUDING THE CITIES OF...WHITE RIVER...MISSION...WINNER
528 AM CST WED DEC 23 2009
...WINTER STORM WARNING NOW IN EFFECT FROM NOON TODAY TO 6 PM CST
FRIDAY...
THE WINTER STORM WARNING IS NOW IN EFFECT FROM NOON TODAY TO 6 PM
CST FRIDAY.
* SNOW WILL DEVELOP OVER THE AREA TODAY AND CONTINUE THROUGH
FRIDAY.
* SNOW ACCUMULATIONS OF 6 TO 11 INCHES ARE EXPECTED ACROSS THE
AREA BY THURSDAY EVENING.
* NORTHWEST WINDS WILL INCREASE TONIGHT AND CONTINUE THROUGH
FRIDAY...CAUSING AREAS OF BLOWING SNOW...REDUCING VISIBILITIES
TO LESS THAN ONE HALF 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: 228 PM CST MON DEC 21 2009
Expiration: 600 PM CST THU DEC 24 2009

...WHITE CHRISTMAS LIKELY FOR WESTERN SOUTH DAKOTA AND NORTHEAST WYOMING...
.AN UPPER LEVEL STORM IN THE GREAT BASIN WILL MOVE EAST INTO NEW MEXICO
ON WEDNESDAY AND INTO IOWA BY FRIDAY. THIS STORM WILL BRING WIDESPREAD
SNOW TO WESTERN SOUTH DAKOTA AND NORTHEASTERN WYOMING FROM LATE TUESDAY
AFTERNOON THROUGH THURSDAY EVENING. SNOW ACCUMULATIONS OF 6 INCHES OR
MORE ARE POSSIBLE BY THURSDAY EVENING ACROSS MUCH OF THE AREA.
SDZ012>014-031-032-043-044-046-047-049-073-220430-
/O.NEW.KUNR.WS.A.0012.091223T1200Z-091225T0000Z/
BUTTE-NORTHERN MEADE CO PLAINS-ZIEBACH-PENNINGTON CO PLAINS-
HAAKON-JACKSON-BENNETT-MELLETTE-TODD-TRIPP-
SOUTHERN MEADE CO PLAINS-
INCLUDING THE CITIES OF...BELLE FOURCHE...FAITH...DUPREE...WALL...
PHILIP...KADOKA...MARTIN...WHITE RIVER...MISSION...WINNER...
UNION CENTER
128 PM MST MON DEC 21 2009 /228 PM CST MON DEC 21 2009/
...WINTER STORM WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
THURSDAY AFTERNOON...
THE NATIONAL WEATHER SERVICE IN RAPID CITY HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
THURSDAY AFTERNOON.
* SNOW IS EXPECTED TO DEVELOP EARLY TUESDAY EVENING AND CONTINUE
THROUGH LATE THURSDAY AFTERNOON.
* SNOW ACCUMULATIONS OF 5 TO 9 INCHES ARE EXPECTED ACROSS THE AREA
BY LATE THURSDAY AFTERNOON.
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.
$$