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Winter Storm Watch


URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RAPID CITY SD
1210 PM MST SUN DEC 21 2014

...DEVELOPING WINTER STORM MAY BRING HEAVY SNOW TO THE NORTHERN
BLACK HILLS AND BEAR LODGE MOUNTAINS...

.A LOW PRESSURE SYSTEM WILL DEVELOP TODAY ACROSS EASTERN MONTANA.
THIS SYSTEM WILL THEN STRENGTHEN AS IT MOVES INTO THE DAKOTAS
TONIGHT...THEN STALL ACROSS THE NORTHERN PLAINS MONDAY. RAIN WILL
DEVELOP ACROSS THE AREA THIS AFTERNOON AND EVENING...CHANGING TO
SNOW LATE TONIGHT. RAIN WILL DEVELOP ACROSS THE NORTHERN BLACK
HILLS AND BEAR LODGE MOUNTAINS THIS AFTERNOON...THEN CHANGE TO
SNOW BY THIS EVENING. GUSTY NORTHWEST WINDS WILL DEVELOP TONIGHT
ENHANCING SNOWFALL ACROSS THESE AREAS. SNOW WILL THEN CONTINUE
THROUGH MONDAY AND MONDAY NIGHT...FINALLY TAPERING OFF TUESDAY
MORNING AS DRIER AIR MOVES IN.

THIS SLOW MOVING SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO
12 INCHES OF SNOW WITH LOCALLY HIGHER AMOUNTS POSSIBLE. THE
HEAVIEST SNOW IS EXPECTED TO OCCUR IN THE CHEYENNE CROSSING TO
ONEIL PASS INTO THE FOUR CORNERS AREA.

SDZ024-028-WYZ057-220315-
/O.CON.KUNR.WS.A.0010.141222T0100Z-141223T1900Z/
NORTHERN BLACK HILLS-CENTRAL BLACK HILLS-WYOMING BLACK HILLS-
INCLUDING THE CITIES OF...LEAD...DEADWOOD...HILL CITY...
MT RUSHMORE...SUNDANCE...FOUR CORNERS
1210 PM MST SUN DEC 21 2014

...WINTER STORM WATCH REMAINS IN EFFECT FROM 6 PM MST THIS
EVENING THROUGH TUESDAY MORNING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM 6 PM MST THIS EVENING
THROUGH TUESDAY MORNING.

* TIMING...RAIN WILL DEVELOP LATE TODAY AND CHANGE TO SNOW THIS
  EVENING AND CONTINUE THROUGH MONDAY INTO TUESDAY MORNING.

* MAIN HAZARD...6 TO 12 INCHES OF SNOW POSSIBLE WITH LOCALLY
  HIGHER AMOUNTS.

* IMPACTS...WITH THE POTENTIAL FOR HEAVY SNOW...TRAVEL MAY BE
  HINDERED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS HEAVY SNOW...STRONG WINDS...FREEZING
PRECIPITATION...AND COLD TEMPERATURES ARE POSSIBLE. 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.

&&

$$

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NOAA National Weather Service
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Silver Spring, MD 20910
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Page last modified: June 2, 2009
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