HAZARDOUS WEATHER OUTLOOK
Issue Date: 443 AM MST FRI DEC 11 2009
Expiration: 445 PM MST FRI DEC 11 2009

Expires:200912112345;;
FLUS45 KMSO 111141
HWOMSO
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MISSOULA MT
441 AM MST FRI DEC 11 2009
MTZ003-005-112345-
FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS-
441 AM MST FRI DEC 11 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
MONTANA AND WEST CENTRAL MONTANA.
.DAY ONE...TODAY AND TONIGHT
WIDESPREAD HAZARDOUS WEATHER IS NOT ANTICIPATED AT THIS TIME.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
ALTHOUGH UNCERTAINTY STILL EXISTS...MODERATE TO HEAVY SNOW IS
BECOMING MORE POSSIBLE SATURDAY AFTERNOON INTO SUNDAY NIGHT AS AN
ARCTIC FRONT MAY SHIFT WESTWARD ACROSS THE CONTINENTAL DIVIDE AND
STALL SUNDAY. MEANWHILE AN APPROACHING PACIFIC STORM SYSTEM IS
EXPECTED TO SPREAD SIGNIFICANT AMOUNTS OF MOISTURE OVER THIS
ARCTIC FRONT AND SUPPORT A PROLONGED PERIOD OF MODERATE TO HEAVY
SNOW IN BOTH VALLEYS AND MOUNTAINS.
.SPOTTER INFORMATION STATEMENT...
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
$$

WINTER STORM WATCH
Issue Date: 427 AM MST FRI DEC 11 2009
Expiration: 1100 PM MST SUN DEC 13 2009

...SIGNIFICANT SNOW ACCUMULATIONS ARE POSSIBLE BEGINNING LATE
SATURDAY MORNING THROUGH SUNDAY EVENING...
.A COLD CANADIAN WEATHER SYSTEM WILL CONVERGE WITH A WARMER PACIFIC
LOW PRESSURE TROUGH THIS WEEKEND BRINGING THE POTENTIAL FOR HEAVY
SNOW ACROSS PORTIONS OF NORTH CENTRAL IDAHO AND WESTERN MONTANA.
AS THE TWO WEATHER SYSTEMS NEAR EACH OTHER A LOW LEVEL CONVERGENT
BOUNDARY WILL DEVELOP AND SERVE AS A FOCUSING MECHANISM FOR
PROLONGED PERIODS OF MODERATE TO HEAVY SNOWFALL ACROSS THE WATCHED
AREAS.
MTZ002-043-112300-
/O.NEW.KMSO.WS.A.0014.091212T1800Z-091214T0600Z/
WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION-
427 AM MST FRI DEC 11 2009
...WINTER STORM WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SUNDAY EVENING...
THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM SATURDAY MORNING THROUGH
SUNDAY EVENING.
* IMPACTS/TIMING: HEAVY SNOW ACCUMULATIONS AND GUSTY WINDS MAY
  CREATE DIFFICULT TRAVEL CONDITIONS STARTING LATE SATURDAY
  MORNING CONTINUING THROUGH SUNDAY EVENING.
* SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 12-16 INCHES
  WITH LOCAL HIGHER AMOUNTS IN THE HIGH TERRAIN BY LATE SUNDAY.
* WINDS: 20 TO 30 MPH WITH HIGHER GUSTS DEVELOPING SATURDAY NIGHT
  AND CONTINUING SUNDAY. WINDS COULD CAUSE BLOWING SNOW...REDUCED
  VISIBILITIES AND DANGEROUS WIND CHILLS.
* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...HELLGATE
  CANYON...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY
  LAKE TO CONDON...I-90 BONNER TO BEARMOUTH
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.
&&
$$