Alert archive / Montana / Winter Storm Warnings in 2005

Winter Storm Warning 3, NWS Missoula, MT

November 28, 20055 counties in Montana; Clearwater County, Idaho County, Idaho

NWS Missoula, MT issued this winter storm warning at Nov 28, 2005, 9:07 PM MST for 5 counties in Montana; Clearwater County, Idaho County, Idaho. It took effect at Nov 29, 2005, 5:00 AM MST. It was in force for 23 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 28, 2005, 9:07 PM MST (04:07 UTC)
In effect from
Nov 29, 2005, 5:00 AM MST
Expired
Nov 30, 2005, 3:53 AM MST
In force
23 hr
Issued by
NWS Missoula, MT

Counties Clearwater County, ID, Idaho County, ID, Granite County, MT, Mineral County, MT, Missoula County, MT, Ravalli County, MT, Sanders County, MT

The radar

The Missoula radar (KMSX), 65 km from the middle of the area, began a volume at 04:09 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Spokane, WA (KOTX), launched 00:00Z, 4.1 hours before the alert went out and 172 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Spokane, WA at 00:00Z on 2005-11-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 00:00Z on 2005-11-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
836 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
183 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS45 KMSO 290407
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
907 PM MST MON NOV 28 2005

.A STRONG WINTER STORM SYSTEM WILL MOVE INTO NORTH CENTRAL IDAHO
AND WESTERN MONTANA EARLY TUESDAY MORNING AND IMPACT PORTIONS OF
THE AREA THROUGH WEDNESDAY MORNING. FIRST...A STRONG JET STREAM
WILL PRODUCE MOUNTAIN-ENHANCED SNOW IN MAINLY IN THE CLEARWATER
...BITTERROOT...AND CABINET MOUNTAINS. SECOND...A STRONG COLD
FRONT WILL MOVE THROUGH NORTHWEST MONTANA PROVIDING A FOCUS FOR
MOUNTAIN AND VALLEY SNOW. THIRD...AS NORTHWEST FLOW SETS UP OVER
NORTHWEST MONTANA TUESDAY NIGHT AND WEDNESDAY...LOCALIZED BANDS OF
HEAVY SNOW ARE POSSIBLE.

IDZ005-006-MTZ004-006-291615-
/O.CAN.KMSO.HS.W.0008.051129T1200Z-051130T1200Z/
/O.NEW.KMSO.WS.W.0003.051129T1200Z-051130T1200Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
807 PM PST MON NOV 28 2005 /907 PM MST MON NOV 28 2005/

...HEAVY SNOW WARNING IS CANCELLED...
...WINTER STORM WARNING IN EFFECT FROM 5 AM MST /4 AM PST/
TUESDAY TO 5 AM MST /4 AM PST/ WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 5 AM MST /4 AM PST/
TUESDAY TO 5 AM MST /4 AM PST/ WEDNESDAY. WINDS ARE EXPECTED TO
CAUSE A BIGGER IMPACT THAN PREVIOUSLY EXPECTED. THEREFORE...THE HEAVY
SNOW WARNING HAS BEEN REPLACED BY A WINTER STORM WARNING. 

TOTAL SNOW ACCUMULATIONS OF 8 TO 12 INCHES IN THE MOUNTAINS WITH
3 TO 6 INCHES IN THE VALLEYS ARE EXPECTED BY WEDNESDAY MORNING. IN
ADDITION...BREEZY SOUTHWEST WINDS OF 15 TO 25 MPH WITH LOCAL GUSTS
TO 35 MPH WILL CAUSE REDUCED VISIBILITY FROM BLOWING AND DRIFTING
SNOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. 
THESE WINTER-LIKE CONDITIONS WILL BE ESPECIALLY HAZARDOUS FOR OUTDOOR
ENTHUSIASTS IN THE HIGHER ELEVATIONS.

$$

MTZ001-291615-
/O.CON.KMSO.HS.W.0008.051129T1200Z-051130T1200Z/
KOOTENAI/CABINET REGION-
907 PM MST MON NOV 28 2005

...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 5 AM TUESDAY TO 5 AM
MST WEDNESDAY...

TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES IN THE MOUNTAINS WITH
LOCALLY HIGHER AMOUNTS ARE EXPECTED BY WEDNESDAY MORNING.
ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED IN THE VALLEYS. 

A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. WINTER-LIKE CONDITIONS WITH THE
HEAVY SNOW WILL BE ESPECIALLY HAZARDOUS FOR OUTDOOR ENTHUSIASTS IN
THE HIGHER ELEVATIONS.

$$

MTZ002-003-291615-
/O.CON.KMSO.SN.Y.0019.051129T1500Z-051130T1500Z/
WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS-
907 PM MST MON NOV 28 2005

...SNOW ADVISORY REMAINS IN EFFECT FROM 8 AM TUESDAY TO 8 AM MST
WEDNESDAY...

TOTAL SNOW ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED IN THE
VALLEYS BY WEDNESDAY MORNING WITH LOCALLY HIGHER AMOUNTS IN THE
MOUNTAINS. 

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE
PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS
AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

MTZ005-043-291615-
/O.CON.KMSO.WS.A.0009.051130T0000Z-051201T0000Z/
MISSOULA/BITTERROOT VALLEYS-POTOMAC/SEELEY LAKE REGION-
907 PM MST MON NOV 28 2005

...WINTER STORM WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH WEDNESDAY AFTERNOON...

A COMPLEX STORM SYSTEM WILL MOVE INTO MONTANA LATE TUESDAY AND
LINGER THROUGH EARLY WEDNESDAY MORNING. THE STORM HAS THE
POTENTIAL TO PRODUCE HEAVY SNOWFALL...ESPECIALLY OVER THE
MOUNTAINS. A STRONG SURFACE GRADIENT WILL ACCOMPANY THE SYSTEM AND
BRING LOCALLY BREEZY CONDITIONS TUESDAY NIGHT THROUGH EARLY
WEDNESDAY.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE
LATEST FORECASTS.

$$
6 follow-up statements
000 
WWUS45 KMSO 291017
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
317 AM MST TUE NOV 29 2005


MTZ002-003-291130-
/O.CAN.KMSO.SN.Y.0019.051129T1500Z-051130T1500Z/
WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS-
317 AM MST TUE NOV 29 2005

...SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELED THE SNOW
ADVISORY.

ALTHOUGH SNOW ADVISORY CRITERIA ARE NOT EXPECTED TO BE MET...SNOW
AMOUNTS OF 3 TO 6 INCHES IN A 24 HOUR PERIOD CAN BE EXPECTED
THROUGHOUT THE WEST GLACIER REGION AS WELL AS THE FLATHEAD AND MISSION
VALLEYS. MOTORISTS ARE ADVISED TO USE CAUTION AS ROADS MAY BECOME
SNOW PACKED AND SLICK AT TIMES TODAY THROUGH TONIGHT.

$$

MTZ001-291630-
/O.CON.KMSO.HS.W.0008.051129T1200Z-051130T1200Z/
KOOTENAI/CABINET REGION-
317 AM MST TUE NOV 29 2005

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

TOTAL SNOW ACCUMULATIONS OF 8 TO 12 INCHES WITH LOCALLY HIGHER
AMOUNTS IN THE MOUNTAINS AND 4 TO 8 INCHES IN THE VALLEYS ARE
EXPECTED BY WEDNESDAY MORNING.

A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. WINTER-LIKE CONDITIONS WITH THE
HEAVY SNOW WILL BE ESPECIALLY HAZARDOUS FOR OUTDOOR ENTHUSIASTS
IN THE HIGHER ELEVATIONS.

$$

IDZ005-006-MTZ004-006-291630-
/O.CON.KMSO.WS.W.0003.051129T1200Z-051130T1200Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
217 AM PST TUE NOV 29 2005 /317 AM MST TUE NOV 29 2005/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ WEDNESDAY...

TOTAL SNOW ACCUMULATIONS OF 8 TO 12 INCHES IN THE MOUNTAINS WITH
4 TO 8 INCHES IN THE VALLEYS ARE EXPECTED BY WEDNESDAY MORNING. IN
ADDITION...BREEZY SOUTHWEST WINDS OF 15 TO 25 MPH WITH LOCAL GUSTS
TO 35 MPH WILL CAUSE REDUCED VISIBILITY FROM BLOWING AND DRIFTING
SNOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. THESE WINTER-LIKE
CONDITIONS WILL BE ESPECIALLY HAZARDOUS FOR OUTDOOR ENTHUSIASTS IN
THE HIGHER ELEVATIONS.

$$

MTZ005-043-291630-
/O.CON.KMSO.WS.A.0009.051130T0000Z-051201T0000Z/
MISSOULA/BITTERROOT VALLEYS-POTOMAC/SEELEY LAKE REGION-
317 AM MST TUE NOV 29 2005

...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS AFTERNOON
THROUGH WEDNESDAY AFTERNOON...

A PACIFIC STORM SYSTEM WILL MOVE INTO MONTANA THIS EVENING AND
LINGER THROUGH WEDNESDAY AFTERNOON. THIS STORM HAS THE POTENTIAL TO
PRODUCE AREAS OF HEAVY SNOWFALL...ESPECIALLY OVER THE MOUNTAINS.
IN ADDITION...LOCALLY BREEZY CONDITIONS WILL EXISTS THIS EVENING.
HOWEVER..THE EXACT TRACK OF THE SURFACE LOW IS STILL UNCERTAIN.
THEREFORE THE WATCH REMAINS IN EFFECT.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE
LATEST FORECASTS.

$$
000 
WWUS45 KMSO 291624
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
924 AM MST TUE NOV 29 2005

.A STRONG AND COMPLEX WINTER STORM SYSTEM HAS MOVED INTO NORTH CENTRAL
IDAHO AND WESTERN MONTANA THIS MORNING AND IS IMPACTING PORTIONS
OF THE AREA. A STRONG JET STREAM IS PRODUCING MOUNTAIN ENHANCED
SNOW IN MAINLY THE CLEARWATER...BITTERROOT...AND CABINET MOUNTAINS
TODAY. AS NORTHWEST FLOW SETS UP OVER NORTHWEST MONTANA ON
WEDNESDAY...LOCALIZED BANDS OF HEAVY SNOW ARE POSSIBLE.

MTZ001-300030-
/O.CON.KMSO.HS.W.0008.000000T0000Z-051130T1200Z/
KOOTENAI/CABINET REGION-
924 AM MST TUE NOV 29 2005

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

TOTAL SNOW ACCUMULATIONS OF 6 TO 10 INCHES IN THE MOUNTAINS WITH
LOCALLY HIGHER AMOUNTS ARE EXPECTED BY WEDNESDAY MORNING.
ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED IN THE VALLEYS. A
HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. WINTER-LIKE CONDITIONS WITH THE
HEAVY SNOW WILL BE ESPECIALLY HAZARDOUS FOR BACKPACKERS AND
HUNTERS IN THE HIGHER ELEVATIONS.


$$

IDZ005-006-MTZ004-006-300030-
/O.CON.KMSO.WS.W.0003.000000T0000Z-051130T1200Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
824 AM PST TUE NOV 29 2005 /924 AM MST TUE NOV 29 2005/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ WEDNESDAY FOR THE CLEARWATER AND BITTERROOT MOUNTAINS AND THE
LOWER CLARK FORK REGION...

TOTAL SNOW ACCUMULATIONS OF 8 TO 12 INCHES IN THE MOUNTAINS WITH
4 TO 8 INCHES IN THE VALLEYS ARE EXPECTED BY WEDNESDAY MORNING. IN
ADDITION...SOUTHWEST WINDS OF 15 TO 25 MPH WITH LOCAL GUSTS TO 35
MPH WILL CAUSE REDUCED VISIBILITY FROM BLOWING AND DRIFTING SNOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS.
THESE WINTER-LIKE CONDITIONS WILL BE ESPECIALLY HAZARDOUS FOR
OUTDOOR ENTHUSIASTS IN THE HIGHER ELEVATIONS.



$$

MTZ003-300030-
/O.EXB.KMSO.WS.A.0009.051130T0600Z-051201T0600Z/
FLATHEAD/MISSION VALLEYS-
924 AM MST TUE NOV 29 2005

...WINTER STORM WATCH IN EFFECT FROM THIS EVENING THROUGH
WEDNESDAY EVENING FOR THE MISSION VALLEY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY EVENING.

SNOW SHOWER ACTIVITY WILL INCREASE TONIGHT INTO WEDNESDAY OVER THE
AREA. THESE SHOWERS ARE EXPECTED TO INTENSIFY EARLY WEDNESDAY
MORNING AND DIMINISH SOMEWHAT BY THE EARLY AFTERNOON.
HOWEVER...LOCALIZED BANDS OF HEAVY SNOW ARE EXPECTED TO DEVELOP BY
LATE AFTERNOON AND EARLY EVENING WEDNESDAY.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE
LATEST FORECASTS.

$$

MTZ005-043-300030-
/O.EXT.KMSO.WS.A.0009.051130T0600Z-051201T0600Z/
MISSOULA/BITTERROOT VALLEYS-POTOMAC/SEELEY LAKE REGION-
924 AM MST TUE NOV 29 2005

...WINTER STORM WATCH NOW IN EFFECT FROM THIS EVENING THROUGH
WEDNESDAY EVENING FOR THE MISSOULA VALLEY AND THE POTOMAC SEELEY
LAKE REGION...

SNOW SHOWER ACTIVITY WILL INCREASE TONIGHT INTO WEDNESDAY OVER THE AREA.
THESE SHOWERS ARE EXPECTED TO INTENSIFY EARLY WEDNESDAY MORNING
AND DIMINISH SOMEWHAT BY THE EARLY AFTERNOON. HOWEVER...LOCALIZED
BANDS OF HEAVY SNOW ARE EXPECTED TO DEVELOP BY LATE AFTERNOON AND
EARLY EVENING WEDNESDAY. 

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE
LATEST FORECASTS.


$$
000 
WWUS45 KMSO 292152
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
252 PM MST TUE NOV 29 2005

.A WINTER STORM SYSTEM HAS MOVED INTO NORTH CENTRAL IDAHO AND
WESTERN MONTANA AND IS IMPACTING PORTIONS OF THE AREA. A STRONG
JET STREAM IS PRODUCING MOUNTAIN ENHANCED SNOW IN MAINLY THE
CLEARWATER...BITTERROOT...AND CABINET MOUNTAINS. AS NORTHWEST
FLOW SETS UP OVER IDAHO AND WESTERN MONTANA WEDNESDAY...LOCALIZED
BANDS OF HEAVY SNOW ARE EXPECTED TO DEVELOP ESPECIALLY ALONG AND
NEAR A FRONTAL BOUNDARY THAT LINGERS OVER WESTERN MONTANA INTO
EARLY WEDNESDAY EVENING. THIS FRONTAL BOUNDARY IS EXPECTED TO
WEAKEN AND PUSH EASTWARD WEDNESDAY NIGHT.

BY MID DAY THURSDAY A STRONG AND VERY MOIST PACIFIC STORM SYSTEM
WILL BEGIN TO MOVE INTO NORTH CENTRAL IDAHO AND INTO PORTIONS OF WESTERN
MONTANA. THIS SYSTEM IS EXPECTED TO BRING SNOW AND AREAS OF GUSTY
WINDS TO MOST OF NORTH CENTRAL IDAHO AND WESTERN MONTANA INTO
FRIDAY.

IDZ005-006-MTZ004-006-300500-
/O.NEW.KMSO.WS.A.0010.051201T1900Z-051202T1900Z/
/O.CON.KMSO.WS.W.0003.000000T0000Z-051130T1200Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
152 PM PST TUE NOV 29 2005 /252 PM MST TUE NOV 29 2005/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ WEDNESDAY FOR THE CLEARWATER AND BITTERROOT MOUNTAINS AND THE
LOWER CLARK FORK REGION......
...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING. A WINTER STORM WARNING REMAINS IN EFFECT UNTIL
5 AM MST /4 AM PST/ WEDNESDAY. 

SNOWFALL HAS TEMPORARILY DIMINISHED IN INTENSITY THIS AFTERNOON
BUT IS EXPECTED TO INTENSIFY BY MIDNIGHT TONIGHT THROUGH EARLY
WEDNESDAY MORNING. TOTAL SNOW ACCUMULATIONS OF 8 TO 12 INCHES IN 
THE MOUNTAINS WITH 4 TO 8 INCHES IN THE VALLEYS ARE EXPECTED BY
WEDNESDAY MORNING. IN ADDITION...SOUTHWEST WINDS OF 15 TO 25 MPH
OVER HIGHER TERRAIN WILL CAUSE REDUCED VISIBILITY FROM BLOWING AND
DRIFTING SNOW.

A BRIEF BREAK IN SNOW WILL OCCUR WEDNESDAY NIGHT INTO EARLY
THURSDAY. BY THURSDAY AFTERNOON INTO FRIDAY...THE POTENTIAL FOR SIGNIFICANT
SNOW WITH STRONG GUSTY WINDS WILL EXIST AGAIN AS THE NEXT PACIFIC STORM
SYSTEM MOVES INTO THE AREA.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

MTZ001-300500-
/O.CON.KMSO.HS.W.0008.000000T0000Z-051130T1200Z/
KOOTENAI/CABINET REGION-
252 PM MST TUE NOV 29 2005

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

TOTAL SNOW ACCUMULATIONS OF 7 TO 10 INCHES IN THE MOUNTAINS ARE
EXPECTED BY WEDNESDAY MORNING. ACCUMULATIONS OF 3 TO 7 INCHES ARE
EXPECTED IN THE VALLEYS.

THE HEAVIEST SNOWFALL WILL OCCUR OVER THE SOUTHERN PORTIONS OF THE
AREA MAINLY SOUTH OF HIGHWAY 2 TONIGHT INTO EARLY WEDNESDAY
MORNING WITH LIGHT TO MODERATE SNOWFALL TO THE NORTH.

A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. 

$$

MTZ003-005-043-300500-
/O.UPG.KMSO.WS.A.0009.051130T0600Z-051201T0600Z/
/O.NEW.KMSO.SN.Y.0020.051130T0600Z-051201T0300Z/
FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS-
POTOMAC/SEELEY LAKE REGION-
252 PM MST TUE NOV 29 2005

...SNOW ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 8 PM MST
WEDNESDAY FOR THE MISSION...MISSOULA...BITTERROOT VALLEYS AND THE
POTOMAC SEELEY LAKE REGION...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 8 PM MST
WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES CAN BE EXPECTED BY
WEDNESDAY EVENING. AREAS OF LIGHT SNOW WILL INTENSIFY AND BECOME
MORE WIDESPREAD LATER TONIGHT AS A SURFACE FRONTAL BOUNDARY
DEVELOPS OVER THE AREA. MODERATE TO LOCALLY HEAVY SNOW WILL OCCUR
THROUGH WEDNESDAY EARLY AFTERNOON...THEN DIMINISH.
HOWEVER...LOCALIZED BANDS OF HEAVY SNOW ARE EXPECTED TO DEVELOP BY
LATE AFTERNOON INTO THE EARLY EVENING HOURS WEDNESDAY...ESPECIALLY
ALONG AND NEAR THE I-90 CORRIDOR BEFORE TAPERING OFF WEDNESDAY
NIGHT.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

IDZ007-300500-
/O.NEW.KMSO.SN.Y.0020.051130T0300Z-051130T1500Z/
OROFINO/GRANGEVILLE REGION-
152 PM PST TUE NOV 29 2005

...SNOW ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 AM PST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM PST
WEDNESDAY. 

TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES CAN BE EXPECTED BY
WEDNESDAY MORNING. AREAS OF LIGHT SNOW WILL INTENSIFY AND BECOME
MORE WIDESPREAD LATER TONIGHT...AS A SURFACE FRONTAL BOUNDARY
DEVELOPS ALONG THE IDAHO AND MONTANA BORDER. AREAS OF MODERATE
SNOW WILL OCCUR THROUGH WEDNESDAY MORNING...THEN DIMINISH. THE
HEAVIEST AMOUNTS OF SNOW WILL OCCUR MAINLY OVER THE BENCHES OF
CLEARWATER COUNTY.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

MTZ007-300500-
/O.NEW.KMSO.SN.Y.0020.051130T0600Z-051201T0300Z/
BUTTE/BLACKFOOT REGION-
252 PM MST TUE NOV 29 2005

...SNOW ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 8 PM MST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 8 PM MST
WEDNESDAY. 

TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES CAN BE EXPECTED BY
WEDNESDAY EVENING. AREAS OF LIGHT SNOW WILL INTENSIFY AND BECOME
MORE WIDESPREAD LATER TONIGHT...AS A SURFACE FRONTAL BOUNDARY
DEVELOPS OVER THE AREA. MODERATE TO LOCALLY HEAVY SNOW WILL OCCUR
THROUGH WEDNESDAY EARLY AFTERNOON...MAINLY NORTH OF DEER LODGE...
THEN DIMINISH. HOWEVER...LOCALIZED BANDS OF HEAVY SNOW ARE
EXPECTED TO DEVELOP BY LATE AFTERNOON INTO THE EARLY EVENING HOURS
WEDNESDAY...ESPECIALLY ALONG AND NEAR THE I-90 CORRIDOR BEFORE
TAPERING OFF WEDNESDAY NIGHT.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS45 KMSO 300505
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1005 PM MST TUE NOV 29 2005

.A WINTER STORM SYSTEM HAS MOVED INTO NORTH CENTRAL IDAHO AND
WESTERN MONTANA AND IS IMPACTING PORTIONS OF THE AREA. A STRONG
JET STREAM IS PRODUCING MOUNTAIN ENHANCED SNOW IN MAINLY THE
CLEARWATER...BITTERROOT...AND CABINET MOUNTAINS. AS NORTHWEST
FLOW SETS UP OVER IDAHO AND WESTERN MONTANA WEDNESDAY...LOCALIZED
BANDS OF HEAVY SNOW ARE EXPECTED TO DEVELOP ESPECIALLY ALONG AND
NEAR A FRONTAL BOUNDARY THAT LINGERS OVER WESTERN MONTANA INTO
EARLY WEDNESDAY EVENING. THIS FRONTAL BOUNDARY IS EXPECTED TO
WEAKEN AND PUSH EASTWARD WEDNESDAY NIGHT.

BY MID DAY THURSDAY A STRONG AND VERY MOIST PACIFIC STORM SYSTEM
WILL BEGIN TO MOVE INTO NORTH CENTRAL IDAHO AND INTO PORTIONS OF
WESTERN MONTANA. THIS SYSTEM IS EXPECTED TO BRING SNOW AND AREAS
OF GUSTY WINDS TO MOST OF NORTH CENTRAL IDAHO AND WESTERN MONTANA
INTO FRIDAY.

MTZ004-006-301115-
/O.EXT.KMSO.WS.W.0003.000000T0000Z-051201T0300Z/
/O.CON.KMSO.WS.A.0010.051201T1900Z-051202T1900Z/
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
1005 PM MST TUE NOV 29 2005

...WINTER STORM WARNING NOW IN EFFECT UNTIL 8 PM MST WEDNESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 8 PM MST
WEDNESDAY. A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY
AFTERNOON THROUGH FRIDAY MORNING. 

SNOWFALL IS NOW RE-INTENSIFYING OVER WESTERN MONTANA THIS HOUR.
SNOW IS NOW EXPECTED TO LINGER UNTIL EARLY WEDNESDAY EVENING.
THEREFORE THE WINTER STORM WARNING HAS BEEN EXTENDED. TOTAL SNOW
ACCUMULATIONS OF 12 TO 18 INCHES IN THE MOUNTAINS WITH 6 TO 12 INCHES
IN THE VALLEYS ARE EXPECTED BY WEDNESDAY EVENING. IN
ADDITION...SOUTHWEST WINDS OF 15 TO 25 MPH OVER HIGHER TERRAIN
WILL CAUSE REDUCED VISIBILITY FROM BLOWING AND DRIFTING SNOW.

A BRIEF BREAK IN SNOW WILL OCCUR WEDNESDAY NIGHT INTO EARLY
THURSDAY. BY THURSDAY AFTERNOON INTO FRIDAY...THE POTENTIAL FOR
SIGNIFICANT SNOW WITH STRONG GUSTY WINDS WILL EXIST AGAIN AS THE
NEXT PACIFIC STORM SYSTEM MOVES INTO THE AREA.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

IDZ005-006-301115-
/O.CON.KMSO.WS.W.0003.000000T0000Z-051130T1200Z/
/O.CON.KMSO.WS.A.0010.051201T1900Z-051202T1900Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
905 PM PST TUE NOV 29 2005

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH FRIDAY MORNING...

SNOWFALL IS NOW RE-INTENSIFYING AND WILL CONTINUE THROUGH EARLY
WEDNESDAY MORNING. TOTAL SNOW ACCUMULATIONS OF 8 TO 12 INCHES WITH
LOCALLY HIGHER AMOUNTS IN THE MOUNTAINS WITH 4 TO 8 INCHES IN THE
VALLEYS ARE EXPECTED BY WEDNESDAY MORNING. IN ADDITION...SOUTHWEST
WINDS OF 15 TO 25 MPH OVER HIGHER TERRAIN WILL CAUSE REDUCED
VISIBILITY FROM BLOWING AND DRIFTING SNOW.

A BRIEF BREAK IN SNOW WILL OCCUR WEDNESDAY NIGHT INTO EARLY
THURSDAY. BY THURSDAY AFTERNOON INTO FRIDAY...THE POTENTIAL FOR
SIGNIFICANT SNOW WITH STRONG GUSTY WINDS WILL EXIST AGAIN AS THE
NEXT PACIFIC STORM SYSTEM MOVES INTO THE AREA.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

MTZ001-301115-
/O.CON.KMSO.HS.W.0008.000000T0000Z-051130T1200Z/
KOOTENAI/CABINET REGION-
1005 PM MST TUE NOV 29 2005

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES WITH LOCALLY HIGHER
AMOUNTS ARE EXPECTED BY EARLY WEDNESDAY MORNING. THE HEAVIEST
SNOWFALL WILL OCCUR OVER THE SOUTHERN PORTIONS OF THE AREA MAINLY
SOUTH OF HIGHWAY 2 TONIGHT INTO EARLY WEDNESDAY MORNING WITH LIGHT
TO MODERATE SNOWFALL TO THE NORTH.

A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS.

$$

MTZ005-301115-
/O.EXA.KMSO.WS.A.0010.051201T1900Z-051202T1900Z/
/O.CON.KMSO.SN.Y.0020.051130T0600Z-051201T0300Z/
MISSOULA/BITTERROOT VALLEYS-
1005 PM MST TUE NOV 29 2005

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST WEDNESDAY...
...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING. A SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST
WEDNESDAY. 

SNOWFALL IS NOW RE-INTENSIFYING AND WILL CONTINUE THROUGH
WEDNESDAY EARLY EVENING. TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES
WITH ACCUMULATIONS UP TO 12 INCHES EXPECTED UNDER HEAVIER SNOW
BANDS. MODERATE TO LOCALLY HEAVY SNOW WILL OCCUR THROUGH WEDNESDAY
EARLY AFTERNOON...MAINLY NORTH OF DEER LODGE... THEN DIMINISH.
HOWEVER...LOCALIZED BANDS OF HEAVY SNOW ARE EXPECTED TO DEVELOP BY
LATE AFTERNOON INTO THE EARLY EVENING HOURS WEDNESDAY...ESPECIALLY
ALONG AND NEAR THE I-90 CORRIDOR BEFORE TAPERING OFF WEDNESDAY
NIGHT.

A BRIEF BREAK IN SNOW WILL OCCUR WEDNESDAY NIGHT INTO EARLY
THURSDAY. BY THURSDAY AFTERNOON INTO FRIDAY...THE POTENTIAL FOR
SIGNIFICANT SNOW WITH STRONG GUSTY WINDS WILL EXIST AGAIN AS A
VIGOROUS PACIFIC STORM SYSTEM MOVES OVER WESTERN MONTANA.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

IDZ007-301115-
/O.CON.KMSO.SN.Y.0020.000000T0000Z-051130T1500Z/
OROFINO/GRANGEVILLE REGION-
905 PM PST TUE NOV 29 2005

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST WEDNESDAY...

TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES CAN BE EXPECTED BY
WEDNESDAY MORNING. SNOW WILL CONTINUE OVERNIGHT AS A SURFACE
FRONTAL BOUNDARY DEVELOPS OVER NORTH CENTRAL IDAHO. AREAS OF
MODERATE SNOW WILL OCCUR THROUGH WEDNESDAY MORNING...THEN
DIMINISH. THE HEAVIEST AMOUNTS OF SNOW WILL OCCUR MAINLY OVER THE
BENCHES OF CLEARWATER COUNTY.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

MTZ003-007-043-301115-
/O.CON.KMSO.SN.Y.0020.051130T0600Z-051201T0300Z/
FLATHEAD/MISSION VALLEYS-BUTTE/BLACKFOOT REGION-
POTOMAC/SEELEY LAKE REGION-
1005 PM MST TUE NOV 29 2005

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST WEDNESDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST WEDNESDAY. 

TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES CAN BE EXPECTED BY
WEDNESDAY EVENING. AREAS OF LIGHT SNOW WILL INTENSIFY AND BECOME
MORE WIDESPREAD LATER TONIGHT...AS A SURFACE FRONTAL BOUNDARY
DEVELOPS OVER THE AREA. 

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS45 KMSO 300541
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1041 PM MST TUE NOV 29 2005

.A WINTER STORM SYSTEM HAS MOVED INTO NORTH CENTRAL IDAHO AND
WESTERN MONTANA AND IS IMPACTING PORTIONS OF THE AREA. A STRONG
JET STREAM IS PRODUCING MOUNTAIN ENHANCED SNOW IN MAINLY THE
CLEARWATER...BITTERROOT...AND CABINET MOUNTAINS. AS NORTHWEST
FLOW SETS UP OVER IDAHO AND WESTERN MONTANA WEDNESDAY...LOCALIZED
BANDS OF HEAVY SNOW ARE EXPECTED TO DEVELOP ESPECIALLY ALONG AND
NEAR A FRONTAL BOUNDARY THAT LINGERS OVER WESTERN MONTANA INTO
EARLY WEDNESDAY EVENING. THIS FRONTAL BOUNDARY IS EXPECTED TO
WEAKEN AND PUSH EASTWARD WEDNESDAY NIGHT.

BY MID DAY THURSDAY A STRONG AND VERY MOIST PACIFIC STORM SYSTEM
WILL BEGIN TO MOVE INTO NORTH CENTRAL IDAHO AND INTO PORTIONS OF
WESTERN MONTANA. THIS SYSTEM IS EXPECTED TO BRING SNOW AND AREAS
OF GUSTY WINDS TO MOST OF NORTH CENTRAL IDAHO AND WESTERN MONTANA
INTO FRIDAY.

MTZ004-006-301115-
/O.EXT.KMSO.WS.W.0003.000000T0000Z-051201T0300Z/
/O.CON.KMSO.WS.A.0010.051201T1900Z-051202T1900Z/
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
1041 PM MST TUE NOV 29 2005

...WINTER STORM WARNING NOW IN EFFECT UNTIL 8 PM MST WEDNESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 8 PM MST
WEDNESDAY. A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY
AFTERNOON THROUGH FRIDAY MORNING. 

SNOWFALL IS NOW RE-INTENSIFYING OVER WESTERN MONTANA THIS HOUR.
SNOW IS NOW EXPECTED TO LINGER UNTIL EARLY WEDNESDAY EVENING.
THEREFORE THE WINTER STORM WARNING HAS BEEN EXTENDED. TOTAL SNOW
ACCUMULATIONS OF 12 TO 18 INCHES IN THE MOUNTAINS WITH 6 TO 12 INCHES
IN THE VALLEYS ARE EXPECTED BY WEDNESDAY EVENING. IN
ADDITION...SOUTHWEST WINDS OF 15 TO 25 MPH OVER HIGHER TERRAIN
WILL CAUSE REDUCED VISIBILITY FROM BLOWING AND DRIFTING SNOW.

A BRIEF BREAK IN SNOW WILL OCCUR WEDNESDAY NIGHT INTO EARLY
THURSDAY. BY THURSDAY AFTERNOON INTO FRIDAY...THE POTENTIAL FOR
SIGNIFICANT SNOW WITH STRONG GUSTY WINDS WILL EXIST AGAIN AS THE
NEXT PACIFIC STORM SYSTEM MOVES INTO THE AREA.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

IDZ005-006-301115-
/O.CON.KMSO.WS.W.0003.000000T0000Z-051130T1200Z/
/O.CON.KMSO.WS.A.0010.051201T1900Z-051202T1900Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
941 PM PST TUE NOV 29 2005

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH FRIDAY MORNING...

SNOWFALL IS NOW RE-INTENSIFYING AND WILL CONTINUE THROUGH EARLY
WEDNESDAY MORNING. TOTAL SNOW ACCUMULATIONS OF 8 TO 12 INCHES WITH
LOCALLY HIGHER AMOUNTS IN THE MOUNTAINS WITH 4 TO 8 INCHES IN THE
VALLEYS ARE EXPECTED BY WEDNESDAY MORNING. IN ADDITION...SOUTHWEST
WINDS OF 15 TO 25 MPH OVER HIGHER TERRAIN WILL CAUSE REDUCED
VISIBILITY FROM BLOWING AND DRIFTING SNOW.

A BRIEF BREAK IN SNOW WILL OCCUR WEDNESDAY NIGHT INTO EARLY
THURSDAY. BY THURSDAY AFTERNOON INTO FRIDAY...THE POTENTIAL FOR
SIGNIFICANT SNOW WITH STRONG GUSTY WINDS WILL EXIST AGAIN AS THE
NEXT PACIFIC STORM SYSTEM MOVES INTO THE AREA.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

MTZ001-301115-
/O.CON.KMSO.HS.W.0008.000000T0000Z-051130T1200Z/
KOOTENAI/CABINET REGION-
1041 PM MST TUE NOV 29 2005

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES WITH LOCALLY HIGHER
AMOUNTS ARE EXPECTED BY EARLY WEDNESDAY MORNING. THE HEAVIEST
SNOWFALL WILL OCCUR OVER THE SOUTHERN PORTIONS OF THE AREA MAINLY
SOUTH OF HIGHWAY 2 TONIGHT INTO EARLY WEDNESDAY MORNING WITH LIGHT
TO MODERATE SNOWFALL TO THE NORTH.

A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS.

$$

MTZ005-301115-
/O.EXA.KMSO.WS.A.0010.051201T1900Z-051202T1900Z/
/O.CON.KMSO.SN.Y.0020.051130T0600Z-051201T0300Z/
MISSOULA/BITTERROOT VALLEYS-
1041 PM MST TUE NOV 29 2005

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST WEDNESDAY...
...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING. A SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST
WEDNESDAY. 

SNOWFALL IS NOW RE-INTENSIFYING AND WILL CONTINUE THROUGH
WEDNESDAY EARLY EVENING. TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES
WITH ACCUMULATIONS UP TO 12 INCHES EXPECTED UNDER HEAVIER SNOW
BANDS. MODERATE TO LOCALLY HEAVY SNOW WILL OCCUR THROUGH WEDNESDAY
EARLY AFTERNOON...THEN DIMINISH. HOWEVER...LOCALIZED BANDS OF
HEAVY SNOW ARE EXPECTED TO DEVELOP BY LATE AFTERNOON INTO THE
EARLY EVENING HOURS WEDNESDAY...ESPECIALLY ALONG AND NEAR THE I-90
CORRIDOR BEFORE TAPERING OFF WEDNESDAY NIGHT.

A BRIEF BREAK IN SNOW WILL OCCUR WEDNESDAY NIGHT INTO EARLY
THURSDAY. BY THURSDAY AFTERNOON INTO FRIDAY...THE POTENTIAL FOR
SIGNIFICANT SNOW WITH STRONG GUSTY WINDS WILL EXIST AGAIN AS A
VIGOROUS PACIFIC STORM SYSTEM MOVES OVER WESTERN MONTANA.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

IDZ007-301115-
/O.CON.KMSO.SN.Y.0020.000000T0000Z-051130T1500Z/
OROFINO/GRANGEVILLE REGION-
941 PM PST TUE NOV 29 2005

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST WEDNESDAY...

TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES CAN BE EXPECTED BY
WEDNESDAY MORNING. SNOW WILL CONTINUE OVERNIGHT AS A SURFACE
FRONTAL BOUNDARY DEVELOPS OVER NORTH CENTRAL IDAHO. AREAS OF
MODERATE SNOW WILL OCCUR THROUGH WEDNESDAY MORNING...THEN
DIMINISH. THE HEAVIEST AMOUNTS OF SNOW WILL OCCUR MAINLY OVER THE
BENCHES OF CLEARWATER COUNTY.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

MTZ003-007-043-301115-
/O.CON.KMSO.SN.Y.0020.051130T0600Z-051201T0300Z/
FLATHEAD/MISSION VALLEYS-BUTTE/BLACKFOOT REGION-
POTOMAC/SEELEY LAKE REGION-
1041 PM MST TUE NOV 29 2005

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST WEDNESDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST WEDNESDAY. 

TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES CAN BE EXPECTED BY
WEDNESDAY EVENING. THE MISSION VALLEY IS EXPECTED TO SEE 4 TO 7
INCH AMOUNTS WITH 1 TO 3 INCHES EXPECTED IN THE FLATHEAD VALLEY.
AREAS OF LIGHT SNOW WILL INTENSIFY AND BECOME MORE WIDESPREAD
LATER TONIGHT...AS A SURFACE FRONTAL BOUNDARY DEVELOPS OVER THE
AREA.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS45 KMSO 301053
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
353 AM MST WED NOV 30 2005

.A WINTER STORM SYSTEM CONTINUES TO AFFECT PORTIONS OF WESTERN
MONTANA THIS MORNING. A STALLED SURFACE FRONTAL BOUNDARY ALONG THE
I-90 CORRIDOR IS RESULTING IN WIDESPREAD SNOW OVER MUCH OF WESTERN
MONTANA. A STRONG NORTHWEST JET WILL MOVE INTO WESTERN MONTANA
THIS AFTERNOON AND INTERACT WITH THIS FRONT TO PRODUCE LOCALIZED
BANDS OF HEAVY SNOW. THESE SNOW BANDS WILL LINGER OVER WESTERN
MONTANA INTO THIS EVENING.

BY THURSDAY EVENING ANOTHER STRONG AND VERY MOIST PACIFIC STORM
SYSTEM WILL BEGIN TO MOVE INTO NORTH CENTRAL IDAHO AND INTO
PORTIONS OF WESTERN MONTANA. THIS SYSTEM IS EXPECTED TO BRING SNOW
AND AREAS OF GUSTY WINDS TO MOST OF NORTH CENTRAL IDAHO AND
WESTERN MONTANA INTO FRIDAY.

MTZ004-006-301800-
/O.CAN.KMSO.WS.W.0003.000000T0000Z-051201T0300Z/
/O.NEW.KMSO.HS.W.0009.051130T1053Z-051201T0300Z/
/O.EXT.KMSO.WS.A.0010.051202T0000Z-051202T1900Z/
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
353 AM MST WED NOV 30 2005

...WINTER STORM WARNING IS CANCELLED...
...HEAVY SNOW WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING...
...WINTER STORM WATCH NOW IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT UNTIL 8 PM MST THIS EVENING. THE
WINTER STORM WARNING HAS BEEN CANCELLED. THE WINTER STORM WATCH
IS NOW IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY MORNING. 

TOTAL SNOW ACCUMULATIONS OF 12 TO 18 INCHES IN THE MOUNTAINS WITH
6 TO 12 INCHES IN THE VALLEYS CAN BE EXPECTED BY THIS EVENING.
SNOW THIS MORNING WILL TRANSITION TO BANDS OF SNOW SHOWERS THIS
AFTERNOON AND LINGER INTO THIS EVENING. SOME HEAVIER BANDS MAY
RESULT IN REDUCED VISIBILITIES AT TIMES FROM HEAVY SNOW. THE WINDS
HAVE DECREASED AND ARE NO LONGER PRODUCING WIDESPREAD BLOWING AND
DRIFTING SNOW. THEREFORE THE WINTER STORM WARNING HAS BEEN
CANCELLED.

A BRIEF BREAK IN SNOW WILL OCCUR LATE TONIGHT INTO THURSDAY. BY
THURSDAY EVENING INTO FRIDAY...THE POTENTIAL FOR SIGNIFICANT SNOW WITH
STRONG GUSTY WINDS WILL EXIST AGAIN AS THE NEXT PACIFIC STORM
SYSTEM MOVES INTO THE AREA.

A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONDITIONS WITH THE HEAVY SNOW
WILL BE ESPECIALLY HAZARDOUS FOR OUTDOOR ENTHUSIASTS IN THE
HIGHER ELEVATIONS.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

MTZ001-301800-
/O.CAN.KMSO.HS.W.0008.000000T0000Z-051130T1200Z/
/O.EXB.KMSO.WS.A.0010.051202T0000Z-051202T1900Z/
KOOTENAI/CABINET REGION-
353 AM MST WED NOV 30 2005

...HEAVY SNOW WARNING IS CANCELLED...
...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING. THE HEAVY SNOW WARNING HAS BEEN CANCELLED. 

WIDESPREAD HEAVY SNOW HAS ENDED OVER THE AREA. THEREFORE THE HEAVY
SNOW WARNING HAS BEEN CANCELLED. SCATTERED SNOW SHOWERS WILL
CONTINUE TODAY...BUT ADDITIONAL ACCUMULATIONS WILL BE ONE INCH OR
LESS. 

A BRIEF BREAK IN SNOW WILL OCCUR WEDNESDAY NIGHT INTO THURSDAY.
BY THURSDAY EVENING INTO FRIDAY...THE POTENTIAL FOR SIGNIFICANT SNOW
WITH STRONG GUSTY WINDS WILL EXIST AGAIN AS THE NEXT PACIFIC STORM
SYSTEM MOVES INTO THE AREA.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

IDZ005-006-301800-
/O.CAN.KMSO.WS.W.0003.000000T0000Z-051130T1200Z/
/O.EXT.KMSO.WS.A.0010.051202T0000Z-051202T1900Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
253 AM PST WED NOV 30 2005

...WINTER STORM WARNING IS CANCELLED...
...WINTER STORM WATCH NOW IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER
STORM WARNING. THE WINTER STORM WATCH IS NOW IN EFFECT FROM
THURSDAY AFTERNOON THROUGH FRIDAY MORNING. 

WIDESPREAD HEAVY SNOW AND BLOWING AND DRIFTING SNOW IS NO LONGER
OCCURRING OVER THE CLEARWATER MOUNTAINS THIS HOUR. THEREFORE THE
WINTER STORM WARNING HAS BEEN CANCELLED. SCATTERED SNOW SHOWERS
WILL CONTINUE THROUGH THE DAY...MAINLY NEAR THE MONTANA
BORDER...BUT ADDITIONAL ACCUMULATIONS WILL BE LESS THAN 3 INCHES.

A BRIEF BREAK IN SNOW WILL OCCUR LATE TONIGHT INTO THURSDAY.
BY LATE THURSDAY AFTERNOON INTO FRIDAY...THE POTENTIAL FOR
SIGNIFICANT SNOW WITH STRONG GUSTY WINDS WILL EXIST AGAIN AS THE
NEXT PACIFIC STORM SYSTEM MOVES INTO THE AREA.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

IDZ007-301800-
/O.CAN.KMSO.SN.Y.0020.000000T0000Z-051130T1500Z/
/O.EXB.KMSO.WS.A.0010.051202T0000Z-051202T1900Z/
OROFINO/GRANGEVILLE REGION-
253 AM PST WED NOV 30 2005

...SNOW ADVISORY IS CANCELLED...
...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING. THE SNOW ADVISORY HAS BEEN CANCELLED. 

SNOW SHOWERS HAVE ENDED OVER THE OROFINO GRANGEVILLE REGION THIS
MORNING. THEREFORE THE SNOW ADVISORY HAS BEEN CANCELLED. 

A BRIEF BREAK IN SNOW WILL OCCUR LATE TONIGHT INTO EARLY
THURSDAY. BY LATE THURSDAY AFTERNOON INTO FRIDAY...THE POTENTIAL
FOR SIGNIFICANT SNOW WITH STRONG GUSTY WINDS WILL EXIST AGAIN AS
THE NEXT PACIFIC STORM SYSTEM MOVES INTO THE AREA.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

MTZ007-043-301800-
/O.UPG.KMSO.SN.Y.0020.000000T0000Z-051201T0300Z/
/O.NEW.KMSO.HS.W.0009.051130T1053Z-051201T0300Z/
/O.EXB.KMSO.WS.A.0010.051202T0000Z-051202T1900Z/
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
353 AM MST WED NOV 30 2005

...HEAVY SNOW WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING...
...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT UNTIL 8 PM MST THIS EVENING. A
WINTER STORM WATCH HAS ALSO BEEN ISSUED. THIS WINTER STORM WATCH
IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY MORNING. THE
SNOW ADVISORY IS NO LONGER IN EFFECT. 

TOTAL SNOW ACCUMULATIONS OF 6 TO 8 INCHES WITH LOCAL ACCUMULATIONS
UP TO 12 INCHES UNDER HEAVIER SNOW BANDS CAN BE EXPECTED BY
WEDNESDAY EVENING. MODERATE TO LOCALLY HEAVY SNOW WILL OCCUR
THROUGH THIS AFTERNOON...MAINLY NORTH OF DEER LODGE...THEN
DIMINISH. HOWEVER...LOCALIZED BANDS OF HEAVY SNOW ARE EXPECTED TO
DEVELOP BY AFTERNOON INTO THE EVENING HOURS...ESPECIALLY ALONG AND
NEAR THE I-90 CORRIDOR BEFORE TAPERING OFF LATER THIS EVENING.

A BRIEF BREAK IN SNOW WILL OCCUR LATE TONIGHT INTO EARLY
THURSDAY. BY THURSDAY EVENING INTO FRIDAY...THE POTENTIAL FOR
SIGNIFICANT SNOW WITH STRONG GUSTY WINDS WILL EXIST AGAIN AS THE
NEXT PACIFIC STORM SYSTEM MOVES INTO THE AREA.

A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONDITIONS WITH THE HEAVY SNOW
WILL BE ESPECIALLY HAZARDOUS FOR OUTDOOR ENTHUSIASTS IN THE
HIGHER ELEVATIONS.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

MTZ005-301800-
/O.UPG.KMSO.SN.Y.0020.000000T0000Z-051201T0300Z/
/O.NEW.KMSO.HS.W.0009.051130T1053Z-051201T0300Z/
/O.EXT.KMSO.WS.A.0010.051202T0000Z-051202T1900Z/
MISSOULA/BITTERROOT VALLEYS-
353 AM MST WED NOV 30 2005

...HEAVY SNOW WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING...
...WINTER STORM WATCH NOW IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT UNTIL 8 PM MST THIS EVENING. THE
WINTER STORM WATCH IS NOW IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING. THE SNOW ADVISORY IS NO LONGER IN EFFECT.

TOTAL SNOW ACCUMULATIONS OF 6 TO 8 INCHES WITH ACCUMULATIONS UP
TO 12 INCHES ARE EXPECTED UNDER HEAVIER SNOW BANDS. MODERATE TO
LOCALLY HEAVY SNOW WILL OCCUR THROUGH EARLY AFTERNOON...THEN
DIMINISH. HOWEVER...LOCALIZED BANDS OF HEAVY SNOW ARE EXPECTED TO
DEVELOP BY LATE AFTERNOON INTO THE EARLY EVENING HOURS...ESPECIALLY
ALONG AND NEAR THE I-90 CORRIDOR BEFORE TAPERING OFF LATER THIS
EVENING.

A BRIEF BREAK IN SNOW WILL OCCUR LATE TONIGHT INTO EARLY
THURSDAY. BY THURSDAY EVENING INTO FRIDAY...THE POTENTIAL FOR
SIGNIFICANT SNOW WITH STRONG GUSTY WINDS WILL EXIST AGAIN AS A
VIGOROUS PACIFIC STORM SYSTEM MOVES OVER WESTERN MONTANA.

A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. CONDITIONS WITH THE HEAVY SNOW
WILL BE ESPECIALLY HAZARDOUS FOR OUTDOOR ENTHUSIASTS IN THE
HIGHER ELEVATIONS.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

MTZ003-301800-
/O.EXB.KMSO.WS.A.0010.051202T0000Z-051202T1900Z/
/O.CON.KMSO.SN.Y.0020.000000T0000Z-051201T0300Z/
FLATHEAD/MISSION VALLEYS-
353 AM MST WED NOV 30 2005

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR 
THE MISSION VALLEY...
...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING. A SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST
THIS EVENING. 

TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES CAN BE EXPECTED BY
THIS EVENING. THE MISSION VALLEY IS EXPECTED TO SEE 4 TO 7 INCH
AMOUNTS WITH 1 TO 3 INCHES EXPECTED IN THE FLATHEAD VALLEY. 

A BRIEF BREAK IN SNOW WILL OCCUR LATE TONIGHT INTO EARLY
THURSDAY. BY THURSDAY EVENING INTO FRIDAY...THE POTENTIAL FOR
SIGNIFICANT SNOW WITH STRONG GUSTY WINDS WILL EXIST AGAIN AS THE
NEXT PACIFIC STORM SYSTEM MOVES INTO THE AREA.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

IDZ008>010-MTZ002-301800-
/O.EXB.KMSO.WS.A.0010.051202T0000Z-051202T1900Z/
LOWER HELLS CANYON/SALMON RIVER REGION-WESTERN LEMHI COUNTY-
EASTERN LEMHI COUNTY-WEST GLACIER REGION-
253 AM PST WED NOV 30 2005 /353 AM MST WED NOV 30 2005/

...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING. 

LATE THURSDAY AFTERNOON INTO FRIDAY...THE POTENTIAL FOR SIGNIFICANT
SNOW WITH STRONG GUSTY WINDS WILL EXIST ACROSS NORTH CENTRAL IDAHO
AND WESTERN MONTANA AS THE NEXT PACIFIC STORM SYSTEM MOVES INTO THE
AREA.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Missoula, MT wrote its last area forecast discussion before this winter storm warning went out at Nov 28, 8:08 PM MST, 59 minutes earlier.

Area forecast discussion, Nov 28, 8:08 PM MST, 59 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
808 PM MST MON NOV 28 2005

.UPDATE...UPDATED ZONE FORECASTS TO REFLECT SLIGHTLY SLOWER ONSET
OF SNOWFALL OVER NORTH CENTRAL IDAHO AND WESTERN MONTANA TONIGHT
AND TUESDAY MORNING. CURRENT OBSERVATIONS AND LATEST MODEL DATA
SUGGESTING THAT INITIAL SNOWFALL SEVERAL HOURS SLOWER THAN PREVIOUSLY
THOUGHT. ADDED PATCHY FREEZING FOG FOR THE MISSION AND FLATHEAD
VALLEYS WITH SEVERAL HOURS OF PARTLY CLOUDY SKIES LATER
TONIGHT..COULD SEE SOME VALLEY FOG DEVELOPMENT. INCREASED THE
MISSOULA AND HAMILTON OVERNIGHT LOW TEMPS A COUPLE OF DEGREES
GIVEN SOUTHEAST BREEZE KEEPING TEMPS FROM RAPIDLY FALLING AHEAD OF
CIRRUS DECK IN EASTERN WASHINGTON. ALL IN ALL...FORECAST AND WINTER
HIGHLIGHTS LOOK ON TRACK. ONE CONCERN MAYBE THE STRONG POST-
FRONTAL WIND POTENTIAL IN THE HEAVY SNOW WARNING AREAS. 00Z NAM12
NOW MORE IN LINE WITH 12Z GFS REGARDING 45 KNOT WINDS AT MOUNTAIN
TOP LEVEL. MAIN AREA AFFECTED WOULD BE THE HIGHER ELEVATIONS OF
THE BITTERROOTS. WILL LET MID-SHIFT TAKE A CLOSER LOOK AT THINGS.
MAY JUST MENTION STRONG WINDS ALONG WITH THE HEAVY SNOW FOR THE
HIGHER ELEVATIONS OF THAT AREA INSTEAD OF CHANGING THE WINTER
WEATHER HIGHLIGHT LABEL.

&&

.AVIATION...PATCHY FREEZING FOG IS POSSIBLE LATER THIS EVENING IN
THE MISSION AND FLATHEAD VALLEYS AS SKIES BRIEFLY BECOME PARTLY
CLOUDY. ANOTHER PACIFIC STORM SYSTEM WILL BEGIN TO AFFECT NORTH
CENTRAL IDAHO AND WESTERN MONTANA LATER TONIGHT THROUGH WEDNESDAY.
AREAS OF SNOW AND REDUCED VISIBILITIES AND CEILINGS WILL MOVE
FROM WEST TO EAST TONIGHT AND CONTINUE THROUGH TUESDAY AFTERNOON
WITH A BRIEF BREAK OCCURRING TUESDAY EVENING. WIDESPREAD MODERATE
TO HEAVY SNOW IS POSSIBLE OVER AND NEAR THE KMSO TERMINAL
WEDNESDAY MORNING.

&&

.PREV DISCUSSION... (ISSUED 309 PM MST MON NOV 28 2005)

SHORT TERM...A STRONG PACIFIC SYSTEM WILL BEGIN TO SWING THROUGH
WESTERN MONTANA AND NORTH CENTRAL IDAHO LATE THIS EVENING THROUGH
WEDNESDAY. WITH THIS SYSTEM HEAVY SNOWFALL IS EXPECTED IN THE
MOUNTAINS WITH SIGNIFICANT ACCUMULATIONS POSSIBLE IN MANY VALLEY
LOCATIONS BY THE END OF THIS EVENT. THE SYSTEM WILL INITIALLY BE
CONVECTIVE IN NATURE...PRODUCING OROGRAPHIC SNOW SHOWERS ACROSS
THE REGION EARLY TUESDAY MORNING. BY TUESDAY AFTERNOON...A
CONVERGENT SURFACE BOUNDARY WILL DEVELOP AND SHIFT INTO NORTHWEST
MONTANA BRINGING HEAVY SNOW TO THE GLACIER PARK REGION.

BY WEDNESDAY...THIS SURFACE BOUNDARY SHIFTS SOUTH AND FOCUSES
GENERALLY OVER THE I-90 CORRIDOR. WITH THIS CONVERGENT BOUNDARY AND STRONG
MID-LEVEL WINDS IN PLACE...BANDING IS NOT OUT OF THE QUESTION...ESPECIALLY
FOR THE MISSOULA AND BITTERROOT VALLEYS.

LONG TERM...WEDNESDAY NIGHT THROUGH TUESDAY...THE MODELS ARE IN
AGREEMENT THAT WESTERN MONTANA AND NORTH CENTRAL IDAHO WILL BE
UNDER AN ACTIVE WEATHER PATTERN FOR THE REMAINDER OF THE FORECAST
PERIOD. THE ISSUE IS THAT THE MODELS HAVE DIFFERENT TIMINGS OF
FEATURES SWINGING THROUGH. A RIDGE OF HIGH PRESSURE WILL BE THE
DOMINANT FEATURE FOR THE AREA ON WEDNESDAY NIGHT THROUGH THURSDAY.
THEN GFS HAS ANOTHER STRONG SYSTEM MOVING INTO NORTH CENTRAL
IDAHO AND SOUTHWEST MONTANA ON THURSDAY NIGHT. WHILE THE LATEST
NAM HAS THIS SAME FEATURE COMING IN TWELVE HOURS LATER. THEN THERE
WILL BE SEVERAL WEAK DISTURBANCES MOVING THROUGH WESTERLY FLOW OVER
THE WEEKEND. THEN ON MONDAY THROUGH TUESDAY A WEAK RIDGE OF HIGH
PRESSURE IS EXPECTED TO BUILD OVER THE REGION.

AVIATION...A WEAK RIDGE IS DOMINANT THE AREA TODAY. ALLOWING THE
SKIES TO BECOME SCATTERED. THERE A FEW SHOWER ALONG THE
DIVIDED...BUT THESE SHOWERS WILL DISSIPATE THIS EVENING. THEN
ANOTHER STRONG PACIFIC SYSTEM WILL MOVE INTO THE AREA ON TUESDAY.
THIS SYSTEM WILL BRING WIDESPREAD SNOW TO WESTERN MONTANA AND
NORTH CENTRAL IDAHO. THE VISIBILITY WILL BE REDUCED WITH MOUNTAINS
AND PASSES BEING OBSCURED...SEE APPROPRIATE TAFS AND TWEBS.

&&

.MSO WATCHES/WARNINGS/ADVISORIES...
MT...HEAVY SNOW WARNING FROM 5 AM TUESDAY TO 5 AM WEDNESDAY FOR
     KOOTENAI/CABINET REGION...LOWER CLARK FORK REGION...
     BITTERROOT/SAPPHIRE MOUNTAINS.

     SNOW ADVISORY FROM 8 AM TUESDAY TO 8 AM WEDNESDAY FOR WEST
     GLACIER REGION...FLATHEAD/MISSION VALLEYS.

     WINTER STORM WATCH FROM 5 PM TUESDAY TO 5 PM WEDNESDAY FOR
     MISSOULA/BITTERROOT VALLEYS...POTOMAC/SEELEY LAKE REGION.

ID...HEAVY SNOW WARNING FROM 5 AM TUESDAY TO 5 AM WEDNESDAY FOR
     NORTHERN CLEARWATER MOUNTAINS...SOUTHERN CLEARWATER MOUNTAINS.

     WIND ADVISORY UNTIL 8 AM TUESDAY FOR OROFINO/GRANGEVILLE REGION...
     LOWER HELLS CANYON/SALMON RIVER REGION.

&&

UPDATE...CHURCH
PREV DISCUSSION...MWJ/VIA/SMITH
AVIATION...CHURCH
Hazardous weather outlook, Nov 28, 7:38 PM MST, 1 hour 29 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MISSOULA MT
738 PM MST MON NOV 28 2005

IDZ009-010-MTZ007-290945-
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-BUTTE/BLACKFOOT REGION-
INCLUDING THE CITIES OF...SHOUP...SALMON...LEADORE...ANACONDA...
DEER LODGE...DRUMMOND...PHILIPSBURG
738 PM MST MON NOV 28 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
IDAHO AND WEST CENTRAL MONTANA.

.DAY ONE...TONIGHT

A STRONG LOW PRESSURE SYSTEM WILL MOVE INTO LEMHI COUNTY AND
WESTERN MONTANA LATE TONIGHT BRINGING SCATTERED SNOW SHOWERS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

ANOTHER STRONG PACIFIC WEATHER SYSTEM IS EXPECTED TO MOVE INTO
NORTH CENTRAL IDAHO AND WESTERN MONTANA THURSDAY NIGHT. THIS
SYSTEM HAS THE POTENTIAL OF BRINGING ANOTHER BATCH OF HEAVY
PRECIPITATION THROUGH FRIDAY.

IDZ005-006-MTZ001-004-006-290945-
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION-
BITTERROOT/SAPPHIRE MOUNTAINS-
INCLUDING THE CITIES OF...PIERCE...ELK RIVER...POWELL...
ELK CITY...DIXIE...LIBBY...EUREKA...NOXON...THOMPSON FALLS...
SUPERIOR...SULA
638 PM PST MON NOV 28 2005 /738 PM MST MON NOV 28 2005/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
IDAHO...NORTHWEST MONTANA AND WEST CENTRAL MONTANA.

THE FOLLOWING WATCHES WARNINGS OR ADVISORIES ARE CURRENTLY IN EFFECT
   HEAVY SNOW WARNING IN EFFECT FROM 5 AM MST /4 AM PST/ TUESDAY
     TO 5 AM MST /4 AM PST/ WEDNESDAY.

PLEASE SEE THE FOLLOWING PRODUCTS FOR MORE INFORMATION.
   GTFWSWMSO  /WWUS45 KMSO/

.DAY ONE...TONIGHT

A STRONG PACIFIC STORM WILL ENTER NORTH CENTRAL IDAHO AND WESTERN
MONTANA LATE TONIGHT BRINGING SCATTERED SHOWERS TO THE AREA.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THE STORM SYSTEM WILL CONTINUE TO PASS THROUGH WESTERN MONTANA AND
NORTH CENTRAL IDAHO THROUGH WEDNESDAY. HEAVY SNOWFALL IS EXPECTED
IN THE MOUNTAINS WITH LESSER AMOUNTS IN THE VALLEYS.

MTZ005-043-290945-
MISSOULA/BITTERROOT VALLEYS-POTOMAC/SEELEY LAKE REGION-
INCLUDING THE CITIES OF...HAMILTON...DARBY
738 PM MST MON NOV 28 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
MONTANA.

THE FOLLOWING WATCHES WARNINGS OR ADVISORIES ARE CURRENTLY IN EFFECT
   WINTER STORM WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
     WEDNESDAY AFTERNOON.

PLEASE SEE THE FOLLOWING PRODUCTS FOR MORE INFORMATION.
   GTFWSWMSO  /WWUS45 KMSO/

.DAY ONE...TONIGHT

A STRONG PACIFIC STORM WILL ENTER WESTERN MONTANA LATE TONIGHT
BRINGING SNOW SHOWERS TO THE AREA.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THE STORM SYSTEM WILL CONTINUE TO PASS THROUGH WESTERN MONTANA INTO
WEDNESDAY. HEAVY SNOWFALL IS EXPECTED IN THE MOUNTAINS WITH LESSER
AMOUNTS IN THE VALLEYS.

MTZ002-003-290945-
WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS-
INCLUDING THE CITIES OF...SWAN LAKE...KALISPELL...POLSON...
ST. IGNATIUS
738 PM MST MON NOV 28 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
MONTANA.

THE FOLLOWING WATCHES WARNINGS OR ADVISORIES ARE CURRENTLY IN EFFECT
   SNOW ADVISORY IN EFFECT FROM 8 AM TUESDAY TO 8 AM MST
     WEDNESDAY.

PLEASE SEE THE FOLLOWING PRODUCTS FOR MORE INFORMATION.
   GTFWSWMSO  /WWUS45 KMSO/

.DAY ONE...TONIGHT

A STRONG PACIFIC STORM WILL ENTER WESTERN MONTANA LATE TONIGHT
BRINGING SCATTERED SHOWERS TO THE AREA.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THE STORM SYSTEM WILL CONTINUE TO PASS THROUGH WESTERN MONTANA INTO WEDNESDAY.
HEAVY SNOWFALL IS EXPECTED IN THE MOUNTAINS WITH LESSER AMOUNTS IN
THE VALLEYS.

IDZ007-008-290945-
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
INCLUDING THE CITIES OF...KOOSKIA...RIGGINS...WHITE BIRD
638 PM PST MON NOV 28 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
IDAHO.

.DAY ONE...TONIGHT

THE FOLLOWING WATCHES WARNINGS OR ADVISORIES ARE CURRENTLY IN EFFECT
   WIND ADVISORY IN EFFECT UNTIL 7 AM PST TUESDAY.

PLEASE SEE THE FOLLOWING PRODUCTS FOR MORE INFORMATION.
   GTFNPWMSO  /WWUS75 KMSO/

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

ANOTHER STRONG PACIFIC WEATHER SYSTEM IS EXPECTED TO MOVE INTO
NORTH CENTRAL IDAHO THURSDAY NIGHT. THIS SYSTEM COULD BRING
ANOTHER BATCH OF PRECIPITATION WITH GUSTY SOUTHERLY WINDS THROUGH
FRIDAY.

The office that day

Everything else NWS Missoula, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 29, 2:52 PM MSTSnow AdvisoryMSODeer Lodge, Flathead, Granite, Lake, Missoula, Powell and 3 more29 hr
Nov 29, 2:52 PM MSTWinter Storm WatchMSODeer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more30 hr

Nearby

Winter Storm Warnings in Montana, 2005Winter Storm Warnings in Idaho, 2005Every winter storm warning in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.