HAZARDOUS WEATHER OUTLOOK
Issue Date: 437 AM MST WED DEC 23 2009
Expiration: 800 AM CST THU DEC 24 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.
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