WINTER STORM WATCH
Issue Date: 837 PM MST TUE DEC 22 2009
Expiration: 500 PM MST THU DEC 24 2009

.AN UPPER LEVEL STORM SYSTEM OVER THE SOUTHWESTERN UNITED STATES
WILL MOVE ACROSS THE PLAINS WEDNESDAY INTO THURSDAY. THIS STORM
WILL BRING SNOW TO THE BLACK HILLS REGION...WITH HEAVY SNOW
POSSIBLE FOR CENTRAL SOUTH DAKOTA AND THE BLACK HILLS. A COLD
FRONT WILL DROP ACROSS THE REGION LATE WEDNESDAY...WITH GUSTY
WINDS CAUSING AREAS OF BLOWING SNOW.
SDZ025-026-072-231145-
/O.CON.KUNR.WS.A.0012.091223T1200Z-091225T0000Z/
NORTHERN FOOT HILLS-RAPID CITY-STURGIS/PIEDMONT FOOT HILLS-
INCLUDING THE CITIES OF...SPEARFISH...RAPID CITY...STURGIS
836 PM MST TUE DEC 22 2009
...WINTER STORM WATCH REMAINS IN EFFECT FROM 5 AM MST WEDNESDAY
THROUGH THURSDAY AFTERNOON...
A WINTER STORM WATCH REMAINS IN EFFECT FROM 5 AM MST WEDNESDAY
THROUGH THURSDAY AFTERNOON.
* SNOW WILL DEVELOP TONIGHT...AND CONTINUE THROUGH THURSDAY
  AFTERNOON.
* SNOW ACCUMULATIONS OF 4 TO 7 INCHES MAY OCCUR ACROSS THE AREA
  BY LATE THURSDAY AFTERNOON.
* GUSTY WINDS WILL CAUSE AREAS OF BLOWING SNOW AND REDUCED
  VISIBILITY WEDNESDAY EVENING THROUGH THURSDAY.
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.
&&
$$

FREEZING FOG ADVISORY
Issue Date: 832 PM MST TUE DEC 22 2009
Expiration: 500 AM MST WED DEC 23 2009

.EASTERLY UPSLOPE FLOW WILL MAINTAIN DENSE FREEZING FOG OVERNIGHT
ALONG THE EASTERN SLOPES OF THE BLACK HILLS.
SDZ025-026-030-031-072-074-231145-
/O.CON.KUNR.ZF.Y.0001.000000T0000Z-091223T1200Z/
NORTHERN FOOT HILLS-RAPID CITY-CUSTER CO PLAINS-
PENNINGTON CO PLAINS-STURGIS/PIEDMONT FOOT HILLS-
HERMOSA FOOT HILLS-
INCLUDING THE CITIES OF...SPEARFISH...RAPID CITY...FOLSOM...
WALL...STURGIS...HERMOSA
831 PM MST TUE DEC 22 2009
...FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...
A FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY.
* DENSE FREEZING FOG WILL PERSIST ALONG THE NORTHERN AND EASTERN
  FOOTHILLS TONIGHT.
* VISIBILITY WILL REMAIN AT OR BELOW A QUARTER OF A MILE.
* THE FOG WILL MAY ALSO CAUSE ICE ACCUMULATIONS ON THE GROUND...
  AND ESPECIALLY ON HIGHWAY BRIDGES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FREEZING FOG ADVISORY MEANS NEAR ZERO VISIBILITY IS EXPECTED OR
OCCURRING. THE FOG WILL ALSO CREATE ICE ON ROADS AND SIDEWALKS...
SO WATCH FOR SLIPPERY AREAS.
&&
$$

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.
$$