HAZARDOUS WEATHER OUTLOOK
Issue Date: 238 PM MST FRI DEC 11 2009
Expiration: 500 AM MST SAT DEC 12 2009

Expires:200912121200;;
FLUS45 KMSO 112136
HWOMSO
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MISSOULA MT
236 PM MST FRI DEC 11 2009
MTZ001-121200-
KOOTENAI/CABINET REGION-
236 PM MST FRI DEC 11 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
MONTANA.
.DAY ONE...THIS AFTERNOON 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
POSSIBLE SATURDAY AFTERNOON INTO EARLY SUNDAY MORNING...AND
AGAIN SUNDAY NIGHT INTO MONDAY AS TWO WEATHER DISTURBANCES
PASS THROUGH THE AREA. TRAVEL OVER AREA HIGHWAYS MAY BE DIFFICULT
IN THIS TIME FRAME...AS LOCALIZED HEAVY SNOW IS POSSIBLE. GUSTY
EAST WINDS MAY BE ENCOUNTERED TRAVELING EAST ALONG HIGHWAY 2 AND
ALONG HIGHWAY 93...REDUCING VISIBILITY IN BLOWING SNOW.
.SPOTTER INFORMATION STATEMENT...
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
$$

WINTER STORM WATCH
Issue Date: 130 PM MST FRI DEC 11 2009
Expiration: 500 AM MST MON DEC 14 2009

...SIGNIFICANT SNOW ACCUMULATIONS LIKELY OVER THE CLEARWATER MOUNTAINS
OF IDAHO AND THE WEST GLACIER REGION OF MONTANA BEGINNING SATURDAY
INTO MONDAY...
.HEAVY SNOW IS LIKELY IN THE CLEARWATER MOUNTAINS OF IDAHO AND
THE WEST GLACIER REGION OF MONTANA AS SNOW INCREASES OVER THESE
AREAS DURING THE DAY SATURDAY. AS COLD CANADIAN AIR SPILLS OVER
THE CONTINENTAL DIVIDE SATURDAY NIGHT...POOR VISIBILITY IN BLOWING
SNOW WITH LOCAL WHITE-OUT CONDITIONS ARE EXPECTED FROM THE WEST
GLACIER REGION TO THE NORTHERN FLATHEAD VALLEY AS WELL AS OVER
MCDONALD PASS. SOME UNCERTAINTY STILL EXISTS OF WHAT AREAS IN THE
LOWER VALLEYS WILL SEE HEAVY SNOW...BUT ALL AREAS IN NORTH CENTRAL
IDAHO AND WESTERN MONTANA SHOULD SEE LIGHT TO MODERATE SNOW
ACCUMULATIONS SATURDAY NIGHT INTO MONDAY.
MTZ003-120600-
/O.EXB.KMSO.WS.A.0014.091213T0000Z-091214T1200Z/
FLATHEAD/MISSION VALLEYS-
130 PM MST FRI DEC 11 2009
...WINTER STORM WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...
THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT.
* IMPACTS/TIMING: HEAVY SNOW ACCUMULATIONS AND GUSTY WINDS MAY
  CREATE DIFFICULT TRAVEL CONDITIONS STARTING LATE SATURDAY
  CONTINUING THROUGH SUNDAY NIGHT. LOCAL WHITE-OUT CONDITIONS ARE
  POSSIBLE IN THE NORTHERN FLATHEAD VALLEY SATURDAY NIGHT INTO
  SUNDAY FROM A COMBINATION OF SNOW AND BLOWING SNOW.
* SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 8-12 INCHES ARE
  POSSIBLE BY EARLY MONDAY MORNING.
* WINDS: NORTHEAST WINDS OF 15 TO 30 MPH WITH GUSTS TO 40 MPH WILL
  DEVELOP SATURDAY NIGHT AND CONTINUING SUNDAY. WINDS COULD CAUSE
  BLOWING SNOW... REDUCED VISIBILITIES AND DRIFTING OF SNOW.
* LOCATIONS IMPACTED INCLUDE...FLATHEAD AND MISSION VALLEYS.
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.
&&
$$

WINTER STORM WATCH
Issue Date: 130 PM MST FRI DEC 11 2009
Expiration: 500 PM MST MON DEC 14 2009

...SIGNIFICANT SNOW ACCUMULATIONS LIKELY OVER THE CLEARWATER MOUNTAINS
OF IDAHO AND THE WEST GLACIER REGION OF MONTANA BEGINNING SATURDAY
INTO MONDAY...
.HEAVY SNOW IS LIKELY IN THE CLEARWATER MOUNTAINS OF IDAHO AND
THE WEST GLACIER REGION OF MONTANA AS SNOW INCREASES OVER THESE
AREAS DURING THE DAY SATURDAY. AS COLD CANADIAN AIR SPILLS OVER
THE CONTINENTAL DIVIDE SATURDAY NIGHT...POOR VISIBILITY IN BLOWING
SNOW WITH LOCAL WHITE-OUT CONDITIONS ARE EXPECTED FROM THE WEST
GLACIER REGION TO THE NORTHERN FLATHEAD VALLEY AS WELL AS OVER
MCDONALD PASS. SOME UNCERTAINTY STILL EXISTS OF WHAT AREAS IN THE
LOWER VALLEYS WILL SEE HEAVY SNOW...BUT ALL AREAS IN NORTH CENTRAL
IDAHO AND WESTERN MONTANA SHOULD SEE LIGHT TO MODERATE SNOW
ACCUMULATIONS SATURDAY NIGHT INTO MONDAY.
MTZ004-120600-
/O.EXT.KMSO.WS.A.0014.091213T0600Z-091215T0000Z/
LOWER CLARK FORK REGION-
130 PM MST FRI DEC 11 2009
...WINTER STORM WATCH NOW IN EFFECT FROM SATURDAY EVENING THROUGH
MONDAY AFTERNOON...
THE WINTER STORM WATCH IS NOW IN EFFECT FROM SATURDAY EVENING
THROUGH MONDAY AFTERNOON.
* IMPACTS/TIMING: HEAVY SNOW ACCUMULATIONS MAY CREATE DIFFICULT
  TRAVEL CONDITIONS STARTING SATURDAY EVENING AND CONTINUING
  THROUGH MONDAY AFTERNOON.
* SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 6 TO 8 INCHES IN
  THE VALLEYS AND UP TO 12 INCHES OVER THE HIGH TERRAIN BY MONDAY.
* LOCATIONS IMPACTED INCLUDE...LOOKOUT PASS...THOMPSON
  FALLS...SUPERIOR...EVARO HILL.
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.
&&
$$

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.
IDZ005-006-MTZ004-112300-
/O.NEW.KMSO.WS.A.0014.091212T1800Z-091214T0600Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
LOWER CLARK FORK REGION-
427 AM MST FRI DEC 11 2009 /327 AM PST 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 MAY CREATE DIFFICULT
TRAVEL CONDITIONS STARTING LATE SATURDAY MORNING AND CONTINUING
THROUGH SUNDAY EVENING.
* SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 12-16 INCHES
WITH LOCAL HIGHER AMOUNTS IN THE HIGH TERRAIN BY LATE SUNDAY.
* LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO
HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL
TO LOLO PASS...EVARO HILL...HIGHWAY 200 THOMPSON FALLS TO
PLAINS... HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS
TO HAUGAN
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.
$$