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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RAPID CITY SD
338 AM MST SUN DEC 21 2014

SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-221400-
HARDING-PERKINS-BUTTE-NORTHERN MEADE CO PLAINS-ZIEBACH-
NORTHERN BLACK HILLS-NORTHERN FOOT HILLS-RAPID CITY-
SOUTHERN FOOT HILLS-CENTRAL BLACK HILLS-SOUTHERN BLACK HILLS-
CUSTER CO PLAINS-PENNINGTON CO PLAINS-HAAKON-FALL RIVER-SHANNON-
JACKSON-BENNETT-MELLETTE-TODD-TRIPP-STURGIS/PIEDMONT FOOT HILLS-
SOUTHERN MEADE CO PLAINS-HERMOSA FOOT HILLS-NORTHERN CAMPBELL-
SOUTHERN CAMPBELL-WESTERN CROOK-WYOMING BLACK HILLS-WESTON-
NORTHEASTERN CROOK-
338 AM MST SUN DEC 21 2014 /438 AM CST SUN DEC 21 2014/

...WINTER STORM WATCH TONIGHT TO TUESDAY MORNING FOR THE NORTHERN
   BLACK HILLS AND BEAR LODGE MOUNTAINS...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND
NORTHEASTERN WYOMING.

.DAY ONE...TODAY AND TONIGHT

A LOW PRESSURE SYSTEM WILL DEVELOP TODAY ACROSS EASTERN MONTANA
AND MOVE INTO THE DAKOTAS TONIGHT. RAIN WILL DEVELOP ACROSS THE
PLAINS THIS AFTERNOON AND EVENING...AND CHANGE TO SNOW OVERNIGHT
WITH LITTLE ACCUMULATION EXPECTED. ACROSS THE NORTHERN BLACK HILLS
AND BEAR LODGE MOUNTAINS...RAIN WILL CHANGE TO SNOW LATE THIS
AFTERNOON OR THIS EVENING. ACCUMULATIONS OF 1 TO 3 INCHES ARE
POSSIBLE BY EARLY MONDAY MORNING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

SNOW WILL CONTINUE ACROSS THE AREA MONDAY INTO TUESDAY MORNING AS
THE STORM SYSTEM STALLS ACROSS THE NORTHERN PLAINS. PERSISTENT
UPSLOPE ENHANCED SNOWFALL ACROSS THE NORTHERN BLACK HILLS HAS THE
POTENTIAL TO PRODUCE HEAVY SNOWFALL AMOUNTS. THE HIGHEST AMOUNTS
ARE EXPECTED ACROSS THE CHEYENNE CROSSING TO ONEIL PASS TO FOUR
CORNERS AREA. THERE IS A POTENTIAL FOR 6 TO 12 INCHES OF SNOW WITH
LOCALLY HIGHER AMOUNTS POSSIBLE. ACROSS THE PLAINS...LESSER
SNOWFALL AMOUNTS OF ONE TO TWO INCHES ARE EXPECTED AT THIS TIME.

STRONG NORTHWESTERLY WINDS ARE ALSO EXPECTED MONDAY AS A TIGHT
PRESSURE GRADIENT DEVELOPS OVER THE REGION. THE STRONGEST WINDS
ARE EXPECTED OVER THE NORTHWEST AND WEST CENTRAL SOUTH DAKOTA
PLAINS...WHERE WINDS WILL GUST TO OVER 50 MPH DURING THE DAY. THE
COMBINATION OF STRONG WINDS AND LIGHT SNOWFALL MAY PRODUCE AREAS
OF BLOWING SNOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

&&

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...
OR CHECK OUR WEB SITE AT WEATHER.GOV/RAPIDCITY

$$







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Page last modified: May 16, 2007
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