Alert archive / Montana / Snow Advisories in 2005

Snow Advisory 21, NWS Missoula, MT

December 1, 2005Clearwater County, Idaho County, Idaho; Granite County, Missoula County, Ravalli County, Montana

NWS Missoula, MT issued this snow advisory at Dec 1, 2005, 8:51 AM PST for Clearwater County, Idaho County, Idaho; Granite County, Missoula County, Ravalli County, Montana. It took effect at Dec 1, 2005, 1:00 PM PST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Dec 1, 2005, 8:51 AM PST (16:51 UTC)
In effect from
Dec 1, 2005, 1:00 PM PST
Expired
Dec 2, 2005, 6:54 AM PST
In force
18 hr
Issued by
NWS Missoula, MT

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

The radar

The Missoula radar (KMSX), 81 km from the middle of the area, began a volume at 16:51 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 12:00Z, 4.9 hours before the alert went out and 202 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 12:00Z on 2005-12-01Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 12:00Z on 2005-12-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.1939587897Sfc1 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
742 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
150 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 011651
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
951 AM MST THU DEC 1 2005

MTZ005-012200-
/O.CAN.KMSO.SB.Y.0004.051201T1800Z-051202T1200Z/
/O.NEW.KMSO.SN.Y.0021.051201T2100Z-051202T1200Z/
MISSOULA/BITTERROOT VALLEYS-
951 AM MST THU DEC 1 2005

...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED...
...SNOW ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM
MST FRIDAY. THE SNOW AND BLOWING SNOW ADVISORY HAS BEEN CANCELLED.

TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED BY FRIDAY
MORNING. GUSTY EASTERLY WINDS WILL BE LOCALIZED TO THE MISSOULA
AREA AS THEY SPILL OUT OF HELLGATE CANYON AT 20 TO 30 MPH. THAT
AREA WILL SEE BLOWING SNOW AND REDUCED VISIBILITIES AT TIMES.
HOWEVER...WINDS ACROSS THE REMAINDER OF THE MISSOULA AND
BITTERROOT VALLEYS WILL BE MORE MODERATE...AND THUS THE CHANGE TO
ONLY A SNOW ADVISORY

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.

$$

MTZ004-006-012200-
/O.EXT.KMSO.WS.W.0004.051201T2100Z-051202T1200Z/
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
951 AM MST THU DEC 1 2005

...WINTER STORM WARNING NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO
5 AM MST FRIDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT FROM 2 PM THIS
AFTERNOON TO 5 AM MST FRIDAY. 

TOTAL SNOW ACCUMULATIONS OF 10 TO 16 INCHES IN THE MOUNTAINS WITH
6 TO 10 INCHES IN THE VALLEYS ARE EXPECTED BY FRIDAY MORNING. IN
ADDITION...SOUTHEAST TO SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS TO
40 MPH WILL CAUSE REDUCED VISIBILITY FROM BLOWING AND DRIFTING
SNOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW COMBINED
WITH STRONG AND GUSTY WINDS ARE EXPECTED OR OCCURRING. THIS WILL
MAKE TRAVEL VERY HAZARDOUS AND SOME ROADS IMPASSABLE.

$$

MTZ001-002-012200-
/O.EXT.KMSO.WS.W.0004.051202T0000Z-051202T1200Z/
KOOTENAI/CABINET REGION-WEST GLACIER REGION-
951 AM MST THU DEC 1 2005

...WINTER STORM WARNING NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO
5 AM MST FRIDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 AM MST FRIDAY. 

TOTAL SNOW ACCUMULATIONS OF 10 TO 18 INCHES IN THE MOUNTAINS WITH
6 TO 10 INCHES IN THE VALLEYS ARE EXPECTED BY FRIDAY MORNING. IN
ADDITION...STRONG SOUTHEAST TO EAST WINDS OF 20 TO 30 MPH WITH
GUSTS TO 40 MPH WILL CAUSE REDUCED VISIBILITY FROM BLOWING AND
DRIFTING SNOW. LOCAL BLIZZARD CONDITIONS CAN ALSO BE EXPECTED...
ESPECIALLY IN EAST TO WEST ORIENTED CANYONS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW COMBINED
WITH STRONG AND GUSTY WINDS ARE EXPECTED OR OCCURRING. THIS WILL
MAKE TRAVEL VERY HAZARDOUS AND SOME ROADS IMPASSABLE.

$$

IDZ005-006-009-010-012200-
/O.CON.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
851 AM PST THU DEC 1 2005 /951 AM MST THU DEC 1 2005/

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

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

TOTAL SNOW ACCUMULATIONS OF 10 TO 16 INCHES IN THE MOUNTAINS WITH
4 TO 8 INCHES IN THE VALLEYS ARE EXPECTED BY FRIDAY MORNING. THE
MOST SIGNIFICANT SNOWFALL WILL OCCUR FROM MID AFTERNOON THROUGH
THURSDAY NIGHT. IN ADDITION...SOUTHEAST TO SOUTH WINDS OF 20 TO
30 MPH WILL CAUSE REDUCED VISIBILITY FROM BLOWING AND DRIFTING
SNOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW COMBINED
WITH STRONG AND GUSTY WINDS ARE EXPECTED OR OCCURRING. THIS WILL
MAKE TRAVEL VERY HAZARDOUS AND SOME ROADS IMPASSABLE.

$$

MTZ003-043-012200-
/O.CON.KMSO.WS.W.0004.051201T2100Z-051202T1200Z/
FLATHEAD/MISSION VALLEYS-POTOMAC/SEELEY LAKE REGION-
951 AM MST THU DEC 1 2005

...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 5 AM MST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON
TO 5 AM MST FRIDAY. 

TOTAL SNOW ACCUMULATIONS OF 10 TO 18 INCHES IN THE MOUNTAINS WITH
6 TO 10 INCHES IN THE VALLEYS ARE EXPECTED BY FRIDAY MORNING. IN
ADDITION...STRONG SOUTHEAST TO EAST WINDS OF 20 TO 30 MPH WITH
GUSTS TO 40 MPH WILL CAUSE REDUCED VISIBILITY FROM BLOWING AND
DRIFTING SNOW. LOCAL BLIZZARD CONDITIONS CAN ALSO BE EXPECTED...
MAINLY IN EAST TO WEST ORIENTED CANYONS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW COMBINED
WITH STRONG AND GUSTY WINDS ARE EXPECTED OR OCCURRING. THIS WILL
MAKE TRAVEL VERY HAZARDOUS AND SOME ROADS IMPASSABLE.

$$

MTZ007-012200-
/O.EXT.KMSO.SB.Y.0004.051202T0000Z-051202T1200Z/
BUTTE/BLACKFOOT REGION-
951 AM MST THU DEC 1 2005

...SNOW AND BLOWING SNOW ADVISORY NOW IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 AM MST FRIDAY...

THE SNOW AND BLOWING SNOW ADVISORY IS NOW IN EFFECT FROM 5 PM
THIS AFTERNOON TO 5 AM MST FRIDAY. 

TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES WITH LOCALLY HIGHER
AMOUNTS IN THE MOUNTAINS ARE EXPECTED BY FRIDAY MORNING. IN
ADDITION...STRONG SOUTHEAST TO EAST WINDS OF 20 TO 30 MPH WILL
CAUSE REDUCED VISIBILITY FROM BLOWING AND DRIFTING SNOW.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

$$
9 follow-up statements
000 
WWUS45 KMSO 011828
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1128 AM MST THU DEC 1 2005

MTZ003-012200-
/O.EXT.KMSO.WS.W.0004.051202T0000Z-051202T1200Z/
FLATHEAD/MISSION VALLEYS-
1128 AM MST THU DEC 1 2005

...WINTER STORM WARNING NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO
5 AM MST FRIDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 AM MST FRIDAY. 

TOTAL SNOW ACCUMULATIONS OF 10 TO 18 INCHES IN THE MOUNTAINS WITH
5 TO 8 INCHES IN THE VALLEYS ARE EXPECTED BY FRIDAY MORNING. IN
ADDITION...STRONG SOUTHEAST TO EAST WINDS OF 20 TO 30 MPH WITH
GUSTS TO 40 MPH WILL CAUSE REDUCED VISIBILITY FROM BLOWING AND
DRIFTING SNOW. LOCAL BLIZZARD CONDITIONS CAN ALSO BE EXPECTED...
MAINLY NEAR EAST TO WEST ORIENTED CANYONS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW COMBINED
WITH STRONG AND GUSTY WINDS ARE EXPECTED OR OCCURRING. THIS WILL
MAKE TRAVEL VERY HAZARDOUS AND SOME ROADS IMPASSABLE.

$$

IDZ005-006-009-010-012200-
/O.CON.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
1028 AM PST THU DEC 1 2005 /1128 AM MST THU DEC 1 2005/

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

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

TOTAL SNOW ACCUMULATIONS OF 10 TO 16 INCHES IN THE MOUNTAINS WITH
4 TO 8 INCHES IN THE VALLEYS ARE EXPECTED BY FRIDAY MORNING. THE
MOST SIGNIFICANT SNOWFALL WILL OCCUR FROM MID AFTERNOON THROUGH
THURSDAY NIGHT. IN ADDITION...SOUTHEAST TO SOUTH WINDS OF 20 TO
30 MPH WILL CAUSE REDUCED VISIBILITY FROM BLOWING AND DRIFTING
SNOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW COMBINED
WITH STRONG AND GUSTY WINDS ARE EXPECTED OR OCCURRING. THIS WILL
MAKE TRAVEL VERY HAZARDOUS AND SOME ROADS IMPASSABLE.

$$

MTZ004-006-043-012200-
/O.CON.KMSO.WS.W.0004.051201T2100Z-051202T1200Z/
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
POTOMAC/SEELEY LAKE REGION-
1128 AM MST THU DEC 1 2005

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY. 

TOTAL SNOW ACCUMULATIONS OF 10 TO 16 INCHES IN THE MOUNTAINS WITH
6 TO 10 INCHES IN THE VALLEYS ARE EXPECTED BY FRIDAY MORNING. IN
ADDITION...SOUTHEAST TO SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS TO
40 MPH WILL CAUSE REDUCED VISIBILITY FROM BLOWING AND DRIFTING
SNOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW COMBINED
WITH STRONG AND GUSTY WINDS ARE EXPECTED OR OCCURRING. THIS WILL
MAKE TRAVEL VERY HAZARDOUS AND SOME ROADS IMPASSABLE.

$$

MTZ001-002-012200-
/O.CON.KMSO.WS.W.0004.051202T0000Z-051202T1200Z/
KOOTENAI/CABINET REGION-WEST GLACIER REGION-
1128 AM MST THU DEC 1 2005

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 AM MST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO 5 AM MST FRIDAY. 

TOTAL SNOW ACCUMULATIONS OF 10 TO 18 INCHES IN THE MOUNTAINS WITH
6 TO 10 INCHES IN THE VALLEYS ARE EXPECTED BY FRIDAY MORNING. IN
ADDITION...STRONG SOUTHEAST TO EAST WINDS OF 20 TO 30 MPH WITH
GUSTS TO 40 MPH WILL CAUSE REDUCED VISIBILITY FROM BLOWING AND
DRIFTING SNOW. LOCAL BLIZZARD CONDITIONS CAN ALSO BE EXPECTED...
ESPECIALLY IN EAST TO WEST ORIENTED CANYONS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW COMBINED
WITH STRONG AND GUSTY WINDS ARE EXPECTED OR OCCURRING. THIS WILL
MAKE TRAVEL VERY HAZARDOUS AND SOME ROADS IMPASSABLE.

$$

MTZ007-012200-
/O.CON.KMSO.SB.Y.0004.051202T0000Z-051202T1200Z/
BUTTE/BLACKFOOT REGION-
1128 AM MST THU DEC 1 2005

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 5 PM
THIS AFTERNOON TO 5 AM MST FRIDAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 AM MST FRIDAY. 

TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES WITH LOCALLY HIGHER
AMOUNTS IN THE MOUNTAINS ARE EXPECTED BY FRIDAY MORNING. IN
ADDITION...STRONG SOUTHEAST TO EAST WINDS OF 20 TO 30 MPH WILL
CAUSE REDUCED VISIBILITY FROM BLOWING AND DRIFTING SNOW.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

MTZ005-012200-
/O.CON.KMSO.SN.Y.0021.051201T2100Z-051202T1200Z/
MISSOULA/BITTERROOT VALLEYS-
1128 AM MST THU DEC 1 2005

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY. 

TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED BY FRIDAY
MORNING. GUSTY EASTERLY WINDS WILL BE LOCALIZED TO THE MISSOULA
AREA AS THEY SPILL OUT OF HELLGATE CANYON AT 20 TO 30 MPH. THAT
AREA WILL SEE BLOWING SNOW AND REDUCED VISIBILITIES AT TIMES.
HOWEVER...WINDS ACROSS THE REMAINDER OF THE MISSOULA AND
BITTERROOT VALLEYS WILL BE MORE MODERATE...AND THUS THE CHANGE TO
ONLY A SNOW ADVISORY

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 012107
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
207 PM MST THU DEC 1 2005

IDZ005-006-009-010-020430-
/O.CON.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
107 PM PST THU DEC 1 2005 /207 PM MST THU DEC 1 2005/

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

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

TOTAL SNOW ACCUMULATIONS OF 10 TO 16 INCHES IN THE MOUNTAINS WITH
4 TO 8 INCHES IN THE VALLEYS ARE EXPECTED BY FRIDAY MORNING. THE
MOST SIGNIFICANT SNOWFALL WILL OCCUR FROM MID AFTERNOON THROUGH
THURSDAY NIGHT. IN ADDITION...SOUTHEAST TO SOUTH WINDS OF 20 TO
30 MPH WILL CAUSE REDUCED VISIBILITY FROM BLOWING AND DRIFTING
SNOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW COMBINED
WITH STRONG AND GUSTY WINDS ARE EXPECTED OR OCCURRING. THIS WILL
MAKE TRAVEL VERY HAZARDOUS AND SOME ROADS IMPASSABLE.

$$

MTZ004-006-043-020430-
/O.CON.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
POTOMAC/SEELEY LAKE REGION-
207 PM MST THU DEC 1 2005

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY. 

TOTAL SNOW ACCUMULATIONS OF 10 TO 16 INCHES IN THE MOUNTAINS WITH
6 TO 10 INCHES IN THE VALLEYS ARE EXPECTED BY FRIDAY MORNING. IN
ADDITION...SOUTHEAST TO SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS TO
40 MPH WILL CAUSE REDUCED VISIBILITY FROM BLOWING AND DRIFTING
SNOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW COMBINED
WITH STRONG AND GUSTY WINDS ARE EXPECTED OR OCCURRING. THIS WILL
MAKE TRAVEL VERY HAZARDOUS AND SOME ROADS IMPASSABLE.

$$

MTZ001-002-020430-
/O.CON.KMSO.WS.W.0004.051202T0000Z-051202T1200Z/
KOOTENAI/CABINET REGION-WEST GLACIER REGION-
207 PM MST THU DEC 1 2005

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 AM MST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO 5 AM MST FRIDAY. 

TOTAL SNOW ACCUMULATIONS OF 10 TO 18 INCHES IN THE MOUNTAINS WITH
6 TO 10 INCHES IN THE VALLEYS ARE EXPECTED BY FRIDAY MORNING. IN
ADDITION...STRONG SOUTHEAST TO EAST WINDS OF 20 TO 30 MPH WITH
GUSTS TO 40 MPH WILL CAUSE REDUCED VISIBILITY FROM BLOWING AND
DRIFTING SNOW. LOCAL BLIZZARD CONDITIONS CAN ALSO BE EXPECTED...
ESPECIALLY IN EAST TO WEST ORIENTED CANYONS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW COMBINED
WITH STRONG AND GUSTY WINDS ARE EXPECTED OR OCCURRING. THIS WILL
MAKE TRAVEL VERY HAZARDOUS AND SOME ROADS IMPASSABLE.

$$

MTZ003-020430-
/O.CON.KMSO.WS.W.0004.051202T0000Z-051202T1200Z/
FLATHEAD/MISSION VALLEYS-
207 PM MST THU DEC 1 2005

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 AM MST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO 5 AM MST FRIDAY. 

TOTAL SNOW ACCUMULATIONS OF 5 TO 8 INCHES FRIDAY MORNING. IN
ADDITION...STRONG SOUTHEAST TO EAST WINDS OF 20 TO 30 MPH CAN
ALSO BE EXPECTED... MAINLY NEAR EAST TO WEST ORIENTED CANYONS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW COMBINED
WITH STRONG AND GUSTY WINDS ARE EXPECTED OR OCCURRING. THIS WILL
MAKE TRAVEL VERY HAZARDOUS AND SOME ROADS IMPASSABLE.

$$

MTZ007-020430-
/O.CON.KMSO.SB.Y.0004.051202T0000Z-051202T1200Z/
BUTTE/BLACKFOOT REGION-
207 PM MST THU DEC 1 2005

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 5 PM
THIS AFTERNOON TO 5 AM MST FRIDAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 AM MST FRIDAY. 

TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES WITH LOCALLY HIGHER
AMOUNTS IN THE MOUNTAINS ARE EXPECTED BY FRIDAY MORNING. IN
ADDITION...STRONG SOUTHEAST TO EAST WINDS OF 20 TO 30 MPH WILL
CAUSE REDUCED VISIBILITY FROM BLOWING AND DRIFTING SNOW.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

MTZ005-020430-
/O.CON.KMSO.SN.Y.0021.000000T0000Z-051202T1200Z/
MISSOULA/BITTERROOT VALLEYS-
207 PM MST THU DEC 1 2005

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY. 

TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED BY FRIDAY
MORNING. GUSTY EASTERLY WINDS WILL BE LOCALIZED TO THE MISSOULA
AREA AS THEY SPILL OUT OF HELLGATE CANYON AT 20 TO 30 MPH. THAT
AREA WILL SEE BLOWING SNOW AND REDUCED VISIBILITIES AT TIMES.
HOWEVER...WINDS ACROSS THE REMAINDER OF THE MISSOULA AND
BITTERROOT VALLEYS WILL BE MORE MODERATE...AND THUS THE CHANGE TO
ONLY A SNOW ADVISORY

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 020210
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
710 PM MST THU DEC 1 2005

IDZ005-006-009-010-MTZ001-002-004-006-043-020500-
/O.CON.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-KOOTENAI/CABINET REGION-
WEST GLACIER REGION-LOWER CLARK FORK REGION-
BITTERROOT/SAPPHIRE MOUNTAINS-POTOMAC/SEELEY LAKE REGION-
610 PM PST THU DEC 1 2005 /710 PM MST THU DEC 1 2005/

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

TOTAL SNOW ACCUMULATIONS OF 10 TO 16 INCHES IN THE MOUNTAINS WITH
6 TO 10 INCHES IN THE VALLEYS ARE EXPECTED BY FRIDAY MORNING. IN
ADDITION...SOUTHEAST TO SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS TO
40 MPH WILL CAUSE REDUCED VISIBILITY FROM BLOWING AND DRIFTING
SNOW. 

AREAS IN THE WEST GLACIER REGION MAY SEE WIND CHILL TEMPERATURES
APPROACHING 20 DEGREES BELOW ZERO AS ARCTIC AIR SPILLS OVER THE
CONTINENTAL DIVIDE.


$$

MTZ003-020500-
/O.CON.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
FLATHEAD/MISSION VALLEYS-
710 PM MST THU DEC 1 2005

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

TOTAL SNOW ACCUMULATIONS OF 5 TO 8 INCHES FRIDAY MORNING. IN
ADDITION...STRONG SOUTHEAST TO EAST WINDS OF 20 TO 30 MPH CAN ALSO
BE EXPECTED... MAINLY NEAR EAST TO WEST ORIENTED CANYONS.


$$

IDZ007-020500-
/O.EXB.KMSO.SN.Y.0021.000000T0000Z-051202T0600Z/
OROFINO/GRANGEVILLE REGION-
610 PM PST THU DEC 1 2005

...SNOW ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 10 PM PST THIS EVENING. 

TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED BY LATE TONIGHT.
VALLEY INVERSIONS HAVE HELD TEMPERATURES BELOW FREEZING IN THE
NORTHERN HALF OF THE CAMAS PRAIRIE. TEMPERATURES WILL REMAIN AT OR
JUST BELOW FREEZING THIS EVENING BEFORE TEMPERATURES WARM AS FRONT
MOVES THROUGH THE AREA AND MIXES THE ATMOSPHERE.

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.

$$

MTZ007-020500-
/O.CON.KMSO.SB.Y.0004.000000T0000Z-051202T1200Z/
BUTTE/BLACKFOOT REGION-
710 PM MST THU DEC 1 2005

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM
MST FRIDAY...

TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES WITH LOCALLY HIGHER
AMOUNTS IN THE MOUNTAINS ARE EXPECTED BY FRIDAY MORNING. IN
ADDITION...STRONG SOUTHEAST TO EAST WINDS OF 20 TO 30 MPH WILL
CAUSE REDUCED VISIBILITY FROM BLOWING AND DRIFTING SNOW. LOCAL
WIND CHILL TEMPERATURES WILL APPROACH 20 DEGREES BELOW ZERO IN
THE HIGHER PASSES.


$$

MTZ005-020500-
/O.CON.KMSO.SN.Y.0021.000000T0000Z-051202T1200Z/
MISSOULA/BITTERROOT VALLEYS-
710 PM MST THU DEC 1 2005

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES ARE EXPECTED BY FRIDAY
MORNING. GUSTY EASTERLY WINDS WILL BE LOCALIZED TO THE MISSOULA
AREA AS THEY SPILL OUT OF HELLGATE CANYON AT 20 TO 30 MPH. THAT
AREA WILL SEE BLOWING AND DRIFTING SNOW ALONG WITH REDUCED
VISIBILITIES. HOWEVER...WINDS ACROSS THE REMAINDER OF THE
MISSOULA AND BITTERROOT VALLEYS WILL BE MORE MODERATE.


$$
000 
WWUS45 KMSO 020505
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
946 PM MST THU DEC 1 2005

MTZ001-004-021200-
/O.NEW.KMSO.HS.W.0010.051202T1200Z-051203T0600Z/
/O.CON.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION-
946 PM MST THU DEC 1 2005

.THE STORM SYSTEM CURRENTLY AFFECTING NORTHWEST MONTANA WILL MOVE
EAST LATER TONIGHT BUT WILL LEAVE A STALLED COLD FRONT OVER THE
AREA. AS A STRONG UPPER LEVEL DISTURBANCE MOVES OVER THE STALLED
BOUNDARY...WIDEPSREAD MODERATE TO HEAVY SNOW IS EXPECTED.

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...
...HEAVY SNOW WARNING IN EFFECT FROM 5 AM TO 11 PM MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 5 AM TO 11 PM MST FRIDAY. A
WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY.

AND ADDITIONAL 2 TO 5 INCHES OF SNOW IS EXPECTED TONIGHT BEFORE A
BRIEF BREAK IN SNOWFALL OCCURS LATE TONIGHT. SNOW IS EXPECTED TO
INCREASE IN INTENSITY FRIDAY MORNING WITH TOTAL SNOW ACCUMULATIONS OF
8 TO 12 INCHES IN THE MOUNTAINS AND 6 TO 10 INCHES ARE EXPECTED IN
THE VALLEYS BY SATURDAY MORNING. 

A HEAVY SNOW WARNING MEANS 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.

$$

MTZ003-021200-
/O.NEW.KMSO.HS.W.0010.051202T1200Z-051203T0600Z/
/O.CON.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
FLATHEAD/MISSION VALLEYS-
946 PM MST THU DEC 1 2005

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...
...HEAVY SNOW WARNING IN EFFECT FROM 5 AM TO 11 PM MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 5 AM TO 11 PM MST FRIDAY. A
WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY. 

AND ADDITIONAL 2 TO 5 INCHES OF SNOW IS EXPECTED TONIGHT BEFORE A
BRIEF BREAK IN SNOWFALL OCCURS LATE TONIGHT. SNOW IS EXPECTED TO
INCREASE IN INTENSITY FRIDAY MORNING WITH TOTAL SNOW ACCUMULATIONS OF
6 TO 10 INCHES ARE EXPECTED IN THE FLATHEAD AND MISSION VALLEYS BY
SATURDAY MORNING. 

A HEAVY SNOW WARNING MEANS 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.

$$

IDZ005-006-009-010-MTZ002-006-043-021200-
/O.CON.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-WEST GLACIER REGION-
BITTERROOT/SAPPHIRE MOUNTAINS-POTOMAC/SEELEY LAKE REGION-
846 PM PST THU DEC 1 2005 /946 PM MST THU DEC 1 2005/

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

TOTAL SNOW ACCUMULATIONS OF 10 TO 16 INCHES IN THE MOUNTAINS WITH 6
TO 10 INCHES IN THE VALLEYS ARE EXPECTED BY FRIDAY MORNING.
 

AREAS IN THE WEST GLACIER REGION MAY SEE WIND CHILL TEMPERATURES
APPROACHING 20 DEGREES BELOW ZERO AS ARCTIC AIR SPILLS OVER THE
CONTINENTAL DIVIDE.

$$

MTZ005-021300-
/O.EXT.KMSO.SN.Y.0021.000000T0000Z-051202T1800Z/
MISSOULA/BITTERROOT VALLEYS-
946 PM MST THU DEC 1 2005

...SNOW ADVISORY NOW IN EFFECT UNTIL 11 AM MST FRIDAY...

TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES ARE EXPECTED BY MIDDAY
FRIDAY. STRONG AND GUSTY EASTERLY WINDS WILL BE LIMITED TO THE
MISSOULA AREA AS THEY SPILL OUT OF HELLGATE CANYON AT 20 TO 30 MPH.
THIS AREA WILL CONTINUE TO SEE BLOWING AND DRIFTING SNOW ALONG WITH
REDUCED VISIBILITIES. HOWEVER...WINDS ACROSS THE REMAINDER OF THE
MISSOULA AND BITTERROOT VALLEYS WILL BE WEAK TO MODERATE. 

$$

MTZ007-021200-
/O.CON.KMSO.SB.Y.0004.000000T0000Z-051202T1200Z/
BUTTE/BLACKFOOT REGION-
946 PM MST THU DEC 1 2005

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM
MST FRIDAY...

TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES WITH LOCALLY HIGHER
AMOUNTS IN THE MOUNTAINS ARE EXPECTED BY FRIDAY MORNING. IN
ADDITION...STRONG SOUTHEAST TO EAST WINDS OF 15 TO 25 MPH WILL
CAUSE REDUCED VISIBILITY FROM BLOWING AND DRIFTING SNOW. LOCAL
WIND CHILL TEMPERATURES WILL APPROACH 20 DEGREES BELOW ZERO IN
THE HIGHER PASSES.

$$

IDZ007-020600-
/O.CON.KMSO.SN.Y.0021.000000T0000Z-051202T0600Z/
OROFINO/GRANGEVILLE REGION-
846 PM PST THU DEC 1 2005

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED BY LATE
TONIGHT. VALLEY INVERSIONS HAVE HELD TEMPERATURES BELOW FREEZING
IN THE NORTHERN HALF OF THE CAMAS PRAIRIE.

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 020544
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1042 PM MST THU DEC 1 2005

.THE STORM SYSTEM CURRENTLY AFFECTING NORTHWEST MONTANA WILL MOVE 
EAST LATER TONIGHT BUT WILL LEAVE A STALLED COLD FRONT OVER THE 
AREA. AS A STRONG UPPER LEVEL DISTURBANCE MOVES OVER THE STALLED 
BOUNDARY...WIDEPSREAD MODERATE TO HEAVY SNOW IS EXPECTED.

MTZ001-004-021200-
/O.CON.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
/O.CON.KMSO.HS.W.0010.051202T1200Z-051203T0600Z/
KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION-
1042 PM MST THU DEC 1 2005

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...
...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 5 AM TO 11 PM MST
FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY. A
HEAVY SNOW WARNING REMAINS IN EFFECT FROM 5 AM TO 11 PM MST
FRIDAY. 

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 5 AM TO 11 PM MST FRIDAY. A
WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY.

AND ADDITIONAL 2 TO 5 INCHES OF SNOW IS EXPECTED TONIGHT BEFORE A
BRIEF BREAK IN SNOWFALL OCCURS LATE TONIGHT. SNOW IS EXPECTED TO
INCREASE IN INTENSITY FRIDAY MORNING WITH TOTAL SNOW ACCUMULATIONS
OF 8 TO 12 INCHES IN THE MOUNTAINS AND 6 TO 10 INCHES ARE EXPECTED
IN THE VALLEYS BY SATURDAY MORNING.

A HEAVY SNOW WARNING MEANS 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.

$$

MTZ003-021200-
/O.CON.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
/O.CON.KMSO.HS.W.0010.051202T1200Z-051203T0600Z/
FLATHEAD/MISSION VALLEYS-
1042 PM MST THU DEC 1 2005

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...
...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 5 AM TO 11 PM MST
FRIDAY...

AND ADDITIONAL 2 TO 5 INCHES OF SNOW IS EXPECTED TONIGHT BEFORE A
BRIEF BREAK IN SNOWFALL OCCURS LATE TONIGHT. SNOW IS EXPECTED TO
INCREASE IN INTENSITY FRIDAY MORNING WITH TOTAL SNOW ACCUMULATIONS
OF 6 TO 10 INCHES ARE EXPECTED IN THE FLATHEAD AND MISSION VALLEYS
BY SATURDAY MORNING.

A HEAVY SNOW WARNING MEANS 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.

$$

IDZ005-006-009-010-MTZ002-006-043-021200-
/O.CON.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-WEST GLACIER REGION-
BITTERROOT/SAPPHIRE MOUNTAINS-POTOMAC/SEELEY LAKE REGION-
942 PM PST THU DEC 1 2005 /1042 PM MST THU DEC 1 2005/

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

TOTAL SNOW ACCUMULATIONS OF 10 TO 16 INCHES IN THE MOUNTAINS WITH 6
TO 10 INCHES IN THE VALLEYS ARE EXPECTED BY FRIDAY MORNING.

AREAS IN THE WEST GLACIER REGION MAY SEE WIND CHILL TEMPERATURES
APPROACHING 20 DEGREES BELOW ZERO AS ARCTIC AIR SPILLS OVER THE
CONTINENTAL DIVIDE.

$$

IDZ007-021200-
/O.EXT.KMSO.SN.Y.0021.000000T0000Z-051202T1200Z/
OROFINO/GRANGEVILLE REGION-
942 PM PST THU DEC 1 2005

...SNOW ADVISORY NOW IN EFFECT UNTIL 4 AM PST FRIDAY...

TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED BY LATE
TONIGHT. VALLEY INVERSIONS HAVE HELD TEMPERATURES BELOW FREEZING
IN THE NORTHERN HALF OF THE CAMAS PRAIRIE AND PERIODS OF SNOW WILL
CONTINUE THOUGHT THE OVERNIGHT HOURS.

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.

$$

MTZ007-021200-
/O.CON.KMSO.SB.Y.0004.000000T0000Z-051202T1200Z/
BUTTE/BLACKFOOT REGION-
1042 PM MST THU DEC 1 2005

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM
MST FRIDAY...

TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES WITH LOCALLY HIGHER
AMOUNTS IN THE MOUNTAINS ARE EXPECTED BY FRIDAY MORNING. IN
ADDITION...STRONG SOUTHEAST TO EAST WINDS OF 15 TO 25 MPH WILL
CAUSE REDUCED VISIBILITY FROM BLOWING AND DRIFTING SNOW. LOCAL
WIND CHILL TEMPERATURES WILL APPROACH 20 DEGREES BELOW ZERO IN
THE HIGHER PASSES.

$$

MTZ005-021345-
/O.CON.KMSO.SN.Y.0021.000000T0000Z-051202T1800Z/
MISSOULA/BITTERROOT VALLEYS-
1042 PM MST THU DEC 1 2005

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST FRIDAY...

TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES ARE EXPECTED BY MIDDAY
FRIDAY. STRONG AND GUSTY EASTERLY WINDS WILL BE LIMITED TO THE
MISSOULA AREA AS THEY SPILL OUT OF HELLGATE CANYON AT 20 TO 30 MPH.
THIS AREA WILL CONTINUE TO SEE BLOWING AND DRIFTING SNOW ALONG WITH
REDUCED VISIBILITIES. HOWEVER...WINDS ACROSS THE REMAINDER OF THE
MISSOULA AND BITTERROOT VALLEYS WILL BE WEAK TO MODERATE.

$$
000 
WWUS45 KMSO 020912
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
212 AM MST FRI DEC 2 2005

.A NEW SURFACE LOW PRESSURE BOUNDARY IS EXPECTED TO DEVELOP IN
NORTHWEST MONTANA AND THE NORTHERN CLEARWATER MOUNTAINS OF IDAHO
TODAY...SPREADING INTO AREAS OF SOUTHWEST MONTANA OVERNIGHT TONIGHT.
PERIODS OF MODERATE TO HEAVY SNOW ARE EXPECTED TO DEVELOP ALONG
THIS BOUNDARY. THEREFORE...A NEW ROUND OF WINTER WEATHER
WARNINGS...WATCHES...AND ADVISORIES HAVE BEEN ISSUED.

IDZ005-021200-
/O.EXB.KMSO.HS.W.0010.051202T1200Z-051203T1200Z/
/O.CON.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
NORTHERN CLEARWATER MOUNTAINS-
112 AM PST FRI DEC 2 2005

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST EARLY
THIS MORNING...
...HEAVY SNOW WARNING IN EFFECT FROM 4 AM EARLY THIS MORNING TO
4 AM PST SATURDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 4 AM EARLY THIS MORNING TO 4 AM
PST SATURDAY. A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM
PST EARLY THIS MORNING. 

SNOW ACCUMULATIONS OF 6 TO 10 INCHES IN THE VALLEYS WITH 8 TO 12
INCHES IN THE MOUNTAINS ARE EXPECTED BY EARLY SATURDAY MORNING.

$$

MTZ005-021200-
/O.EXB.KMSO.HS.W.0010.051202T1800Z-051203T1800Z/
/O.EXT.KMSO.SN.Y.0021.000000T0000Z-051202T1200Z/
MISSOULA/BITTERROOT VALLEYS-
212 AM MST FRI DEC 2 2005

...HEAVY SNOW WARNING IN EFFECT FROM 11 AM THIS MORNING TO 11 AM
MST SATURDAY FOR MAINLY THE MISSOULA VALLEY...
...SNOW ADVISORY NOW IN EFFECT UNTIL 5 AM MST EARLY THIS
MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST
SATURDAY. THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 5 AM MST EARLY
THIS MORNING. 

PERIODS OF MODERATE TO HEAVY SNOW ARE EXPECTED TO DEVELOP THIS
AFTERNOON MAINLY IN THE MISSOULA VALLEY AND CONTINUE OVERNIGHT.
SNOW ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED BY SATURDAY
AFTERNOON.

A HEAVY SNOW WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
FORECAST THAT WILL MAKE TRAVEL DANGEROUS.

$$

MTZ001-004-021200-
/O.EXT.KMSO.HS.W.0010.051202T1200Z-051203T1200Z/
/O.CON.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION-
212 AM MST FRI DEC 2 2005

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY
THIS MORNING...
...HEAVY SNOW WARNING NOW IN EFFECT FROM 5 AM EARLY THIS MORNING
TO 5 AM MST SATURDAY...

THE HEAVY SNOW WARNING IS NOW IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 5 AM MST SATURDAY. A WINTER STORM WARNING REMAINS IN
EFFECT UNTIL 5 AM MST EARLY THIS MORNING. 

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 5 AM MST TODAY THROUGH 5 AM MST
SATURDAY. A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
TODAY.

SNOW ACCUMULATIONS OF 6 TO 10 INCHES IN THE VALLEYS WITH 8 TO 12
INCHES IN THE MOUNTAINS ARE EXPECTED BY EARLY SATURDAY MORNING.

A HEAVY SNOW WARNING MEANS 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.

$$

MTZ003-021200-
/O.EXT.KMSO.HS.W.0010.051202T1200Z-051203T1200Z/
/O.CON.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
FLATHEAD/MISSION VALLEYS-
212 AM MST FRI DEC 2 2005

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY
THIS MORNING...
...HEAVY SNOW WARNING NOW IN EFFECT FROM 5 AM EARLY THIS MORNING
TO 5 AM MST SATURDAY...

THE HEAVY SNOW WARNING IS NOW IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 5 AM MST SATURDAY. A WINTER STORM WARNING REMAINS IN
EFFECT UNTIL 5 AM MST EARLY THIS MORNING. 

SNOW ACCUMULATIONS OF 6 TO 10 INCHES AREA EXPECTED BY EARLY
SATURDAY MORNING.

A HEAVY SNOW WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
FORECAST THAT WILL MAKE TRAVEL DANGEROUS. 

$$

IDZ006-MTZ006-021200-
/O.EXB.KMSO.SN.Y.0021.051202T1200Z-051203T1800Z/
/O.CON.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
112 AM PST FRI DEC 2 2005 /212 AM MST FRI DEC 2 2005/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ EARLY THIS MORNING...
...SNOW ADVISORY IN EFFECT FROM 5 AM MST /4 AM PST/ EARLY THIS
MORNING TO 11 AM MST /10 AM PST/ SATURDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 5 AM MST /4 AM PST/ EARLY THIS
MORNING TO 11 AM MST /10 AM PST/ SATURDAY. A WINTER STORM WARNING
REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ EARLY THIS MORNING. 

SNOW ACCUMULATIONS OF 5 TO 8 INCHES WITH LOCALLY UP TO 10 INCHES
ARE EXPECTED IN THE MOUNTAINS BY SATURDAY MORNING. ACCUMULATIONS
OF 2 TO 4 INCHES ARE EXPECTED IN THE VALLEYS.

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

$$

MTZ043-021200-
/O.NEW.KMSO.WS.A.0011.051203T0100Z-051203T1800Z/
/O.CON.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
POTOMAC/SEELEY LAKE REGION-
212 AM MST FRI DEC 2 2005

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY
THIS MORNING...
...WINTER STORM WATCH IN EFFECT FROM THIS EVENING THROUGH
SATURDAY MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THIS EVENING THROUGH
SATURDAY MORNING. A WINTER STORM WARNING REMAINS IN EFFECT UNTIL
5 AM MST EARLY THIS MORNING. 

THERE IS A POTENTIAL FOR SIGNIFICANT SNOWFALL TONIGHT.

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

$$

IDZ009-010-MTZ002-021200-
/O.CON.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-WEST GLACIER REGION-
212 AM MST FRI DEC 2 2005

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY
THIS MORNING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY
THIS MORNING. ADDITIONAL SNOW ACCUMULATION OF 1 TO 3 INCHES ARE 
EXPECTED BY 5 AM.



$$

MTZ007-021200-
/O.NEW.KMSO.WS.A.0011.051203T0100Z-051203T1800Z/
/O.CON.KMSO.SB.Y.0004.000000T0000Z-051202T1200Z/
BUTTE/BLACKFOOT REGION-
212 AM MST FRI DEC 2 2005

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM
MST EARLY THIS MORNING...
...WINTER STORM WATCH IN EFFECT FROM THIS EVENING THROUGH
SATURDAY MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THIS EVENING THROUGH
SATURDAY MORNING. A SNOW AND BLOWING SNOW ADVISORY REMAINS IN
EFFECT UNTIL 5 AM MST EARLY THIS MORNING. 

THERE IS A POTENTIAL FOR SIGNIFICANT SNOWFALL TONIGHT.

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

$$

IDZ007-021200-
/O.CON.KMSO.SN.Y.0021.000000T0000Z-051202T1200Z/
OROFINO/GRANGEVILLE REGION-
112 AM PST FRI DEC 2 2005

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST EARLY THIS
MORNING...

ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED BY
EARLY MORNING.

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 021152
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
452 AM MST FRI DEC 2 2005

.A SURFACE LOW PRESSURE BOUNDARY IS DEVELOPING OVER NORTHWEST 
MONTANA AND THE NORTHERN CLEARWATER MOUNTAINS AND WILL EXPAND
INTO AREAS OF SOUTHWEST MONTANA OVERNIGHT TONIGHT. PERIODS OF
MODERATE TO HEAVY SNOW ARE EXPECTED TO DEVELOP ALONG THIS
BOUNDARY. THEREFORE...A NEW ROUND OF WINTER WEATHER WARNINGS...
WATCHES...AND ADVISORIES HAVE BEEN ISSUED.

IDZ005-MTZ001-004-021300-
/O.EXP.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
/O.CON.KMSO.HS.W.0010.051202T1200Z-051203T1200Z/
NORTHERN CLEARWATER MOUNTAINS-KOOTENAI/CABINET REGION-
LOWER CLARK FORK REGION-
352 AM PST FRI DEC 2 2005 /452 AM MST FRI DEC 2 2005/

...WINTER STORM WARNING WILL EXPIRE AT 5 AM MST /4 AM PST/ EARLY
THIS MORNING...
...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/
SATURDAY...

THE WINTER STORM WARNING WILL EXPIRE AT 5 AM MST /4 AM PST/ EARLY
THIS MORNING. A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM
MST /4 AM PST/ SATURDAY. 

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 5 AM MST TODAY THROUGH 5 AM MST
SATURDAY. A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
TODAY. 

SNOW ACCUMULATIONS OF 6 TO 10 INCHES IN THE VALLEYS WITH 8
TO 12 INCHES IN THE MOUNTAINS ARE EXPECTED BY EARLY SATURDAY
MORNING. 

A HEAVY SNOW WARNING MEANS 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.

$$

MTZ003-021300-
/O.EXP.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
/O.CON.KMSO.HS.W.0010.051202T1200Z-051203T1200Z/
FLATHEAD/MISSION VALLEYS-
452 AM MST FRI DEC 2 2005

...WINTER STORM WARNING WILL EXPIRE AT 5 AM MST EARLY THIS
MORNING...
...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY...

THE WINTER STORM WARNING WILL EXPIRE AT 5 AM MST EARLY THIS
MORNING. A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM MST
SATURDAY. 

SNOW ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED BY EARLY
SATURDAY MORNING.

A HEAVY SNOW WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
FORECAST THAT WILL MAKE TRAVEL DANGEROUS.

$$

IDZ006-MTZ006-021300-
/O.EXP.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
/O.CON.KMSO.SN.Y.0021.051202T1200Z-051203T1800Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
352 AM PST FRI DEC 2 2005 /452 AM MST FRI DEC 2 2005/

...WINTER STORM WARNING WILL EXPIRE AT 5 AM MST /4 AM PST/ EARLY
THIS MORNING...
...SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/
SATURDAY...

THE WINTER STORM WARNING WILL EXPIRE AT 5 AM MST /4 AM PST/ EARLY
THIS MORNING. A SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
/10 AM PST/ SATURDAY. 

SNOW ACCUMULATIONS OF 5 TO 8 INCHES WITH LOCALLY UP TO 10 INCHES
ARE EXPECTED IN THE MOUNTAINS BY SATURDAY MORNING. ACCUMULATIONS
OF 2 TO 4 INCHES ARE EXPECTED IN THE VALLEYS.

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

$$

MTZ043-021300-
/O.EXP.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
/O.CON.KMSO.WS.A.0011.051203T0100Z-051203T1800Z/
POTOMAC/SEELEY LAKE REGION-
452 AM MST FRI DEC 2 2005

...WINTER STORM WARNING WILL EXPIRE AT 5 AM MST EARLY THIS
MORNING...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SATURDAY MORNING...

THE WINTER STORM WARNING WILL EXPIRE AT 5 AM MST EARLY THIS
MORNING. A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING
THROUGH SATURDAY MORNING. 

THERE IS A POTENTIAL FOR SIGNIFICANT SNOWFALL TONIGHT. 

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

$$

IDZ009-010-MTZ002-021300-
/O.EXP.KMSO.WS.W.0004.000000T0000Z-051202T1200Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-WEST GLACIER REGION-
452 AM MST FRI DEC 2 2005

...WINTER STORM WARNING WILL EXPIRE AT 5 AM MST EARLY THIS
MORNING...

THE WINTER STORM WARNING WILL EXPIRE AT 5 AM MST EARLY THIS
MORNING.

$$

MTZ005-021300-
/O.EXP.KMSO.SN.Y.0021.000000T0000Z-051202T1200Z/
/O.CON.KMSO.HS.W.0010.051202T1800Z-051203T1800Z/
MISSOULA/BITTERROOT VALLEYS-
452 AM MST FRI DEC 2 2005

...SNOW ADVISORY WILL EXPIRE AT 5 AM MST EARLY THIS MORNING...
...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 11 AM MST SATURDAY FOR MAINLY THE MISSOULA VALLEY...

THE SNOW ADVISORY WILL EXPIRE AT 5 AM MST EARLY THIS MORNING. A
HEAVY SNOW WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 AM MST SATURDAY. 

PERIODS OF MODERATE TO HEAVY SNOW ARE EXPECTED TO DEVELOP THIS
AFTERNOON MAINLY IN THE MISSOULA VALLEY AND CONTINUE OVERNIGHT.
SNOW ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED BY SATURDAY
AFTERNOON.

A HEAVY SNOW WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
FORECAST THAT WILL MAKE TRAVEL DANGEROUS.

$$

MTZ007-021300-
/O.EXP.KMSO.SB.Y.0004.000000T0000Z-051202T1200Z/
/O.CON.KMSO.WS.A.0011.051203T0100Z-051203T1800Z/
BUTTE/BLACKFOOT REGION-
452 AM MST FRI DEC 2 2005

...SNOW AND BLOWING SNOW ADVISORY WILL EXPIRE AT 5 AM MST EARLY
THIS MORNING...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SATURDAY MORNING...

THE SNOW AND BLOWING SNOW ADVISORY WILL EXPIRE AT 5 AM MST EARLY
THIS MORNING. A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS
EVENING THROUGH SATURDAY MORNING. 

THERE IS A POTENTIAL FOR SIGNIFICANT SNOWFALL TONIGHT.

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

$$

IDZ007-021300-
/O.EXP.KMSO.SN.Y.0021.000000T0000Z-051202T1200Z/
OROFINO/GRANGEVILLE REGION-
352 AM PST FRI DEC 2 2005

...SNOW ADVISORY WILL EXPIRE AT 4 AM PST EARLY THIS MORNING...

THE SNOW ADVISORY WILL EXPIRE AT 4 AM PST EARLY THIS MORNING. 

$$
000 
WWUS45 KMSO 021250
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
550 AM MST FRI DEC 2 2005

.A SURFACE LOW PRESSURE BOUNDARY IS DEVELOPING OVER NORTHWEST
MONTANA AND THE NORTHERN CLEARWATER MOUNTAINS AND WILL EXPAND
INTO AREAS OF SOUTHWEST MONTANA OVERNIGHT TONIGHT. PERIODS OF
MODERATE TO HEAVY SNOW ARE EXPECTED TO DEVELOP ALONG THIS
BOUNDARY. THEREFORE...A NEW ROUND OF WINTER WEATHER WARNINGS...
WATCHES...AND ADVISORIES HAVE BEEN ISSUED.

IDZ005-MTZ001-004-021700-
/O.CON.KMSO.HS.W.0010.000000T0000Z-051203T1200Z/
NORTHERN CLEARWATER MOUNTAINS-KOOTENAI/CABINET REGION-
LOWER CLARK FORK REGION-
450 AM PST FRI DEC 2 2005 /550 AM MST FRI DEC 2 2005/

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/
SATURDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/
SATURDAY. 

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 5 AM MST TODAY THROUGH 5 AM MST
SATURDAY. A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
TODAY.

SNOW ACCUMULATIONS OF 6 TO 10 INCHES IN THE VALLEYS WITH 8 TO
12 INCHES IN THE MOUNTAINS ARE EXPECTED BY EARLY SATURDAY
MORNING.

A HEAVY SNOW WARNING MEANS 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.

$$

MTZ003-021700-
/O.CON.KMSO.HS.W.0010.000000T0000Z-051203T1200Z/
FLATHEAD/MISSION VALLEYS-
550 AM MST FRI DEC 2 2005

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

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY. 

SNOW ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED BY EARLY
SATURDAY MORNING.

A HEAVY SNOW WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
FORECAST THAT WILL MAKE TRAVEL DANGEROUS.

$$

MTZ005-021700-
/O.CON.KMSO.HS.W.0010.051202T1800Z-051203T1800Z/
MISSOULA/BITTERROOT VALLEYS-
550 AM MST FRI DEC 2 2005

...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 11 AM MST SATURDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 AM MST SATURDAY. 

PERIODS OF MODERATE TO HEAVY SNOW ARE EXPECTED TO DEVELOP THIS
AFTERNOON MAINLY IN THE MISSOULA VALLEY AND CONTINUE OVERNIGHT.
SNOW ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED BY SATURDAY
AFTERNOON.

A HEAVY SNOW WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
FORECAST THAT WILL MAKE TRAVEL DANGEROUS.

$$

IDZ006-MTZ006-021700-
/O.CON.KMSO.SN.Y.0021.000000T0000Z-051203T1800Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
450 AM PST FRI DEC 2 2005 /550 AM MST FRI DEC 2 2005/

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/
SATURDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/
SATURDAY. 

SNOW ACCUMULATIONS OF 5 TO 8 INCHES WITH LOCALLY UP TO 10 INCHES
ARE EXPECTED IN THE MOUNTAINS BY SATURDAY MORNING. ACCUMULATIONS
OF 2 TO 4 INCHES ARE EXPECTED IN THE VALLEYS.

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

$$

MTZ007-043-021700-
/O.CON.KMSO.WS.A.0011.051203T0100Z-051203T1800Z/
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
550 AM MST FRI DEC 2 2005

...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SATURDAY MORNING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SATURDAY MORNING. 

THERE IS A POTENTIAL FOR SIGNIFICANT SNOWFALL TONIGHT.

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 021454
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
754 AM MST FRI DEC 2 2005

.A SURFACE LOW PRESSURE BOUNDARY IS DEVELOPING OVER NORTHWEST
MONTANA AND THE CLEARWATER MOUNTAINS AND WILL EXPAND INTO AREAS
OF SOUTHWEST MONTANA TONIGHT. PERIODS OF MODERATE TO HEAVY SNOW
ARE EXPECTED TO DEVELOP ALONG THIS BOUNDARY. THEREFORE...A NEW
ROUND OF WINTER WEATHER WARNINGS... WATCHES...AND ADVISORIES HAVE
BEEN ISSUED.

IDZ006-MTZ006-021800-
/O.UPG.KMSO.SN.Y.0021.000000T0000Z-051203T1800Z/
/O.EXB.KMSO.HS.W.0010.051202T1454Z-051203T1800Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
654 AM PST FRI DEC 2 2005 /754 AM MST FRI DEC 2 2005/

...HEAVY SNOW WARNING IN EFFECT UNTIL 11 AM MST /10 AM PST/
SATURDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT UNTIL 11 AM MST /10 AM PST/
SATURDAY. THE SNOW ADVISORY IS NO LONGER IN EFFECT.

NEW SNOW ACCUMULATIONS OF 5 TO 8 INCHES IN THE VALLEYS AND 8 TO 12 INCHES
IN THE MOUNTAINS ARE EXPECTED THROUGH SATURDAY 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. CONDITIONS WITH THE HEAVY SNOW
WILL BE ESPECIALLY HAZARDOUS FOR OUTDOOR ENTHUSIASTS IN THE
HIGHER ELEVATIONS.

$$

MTZ043-021800-
/O.UPG.KMSO.WS.A.0011.051203T0100Z-051203T1800Z/
/O.EXB.KMSO.HS.W.0010.051202T1454Z-051203T1800Z/
POTOMAC/SEELEY LAKE REGION-
754 AM MST FRI DEC 2 2005

...HEAVY SNOW WARNING IN EFFECT UNTIL 11 AM MST SATURDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT UNTIL 11 AM MST SATURDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT. 

SIX TO TEN INCHES OF NEW SNOW ARE EXPECTED THROUGH SATURDAY
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. CONDITIONS WITH THE HEAVY SNOW
WILL BE ESPECIALLY HAZARDOUS FOR OUTDOOR ENTHUSIASTS IN THE
HIGHER ELEVATIONS.

$$

MTZ005-021800-
/O.EXT.KMSO.HS.W.0010.051202T1454Z-051203T1800Z/
MISSOULA/BITTERROOT VALLEYS-
754 AM MST FRI DEC 2 2005

...HEAVY SNOW WARNING NOW IN EFFECT UNTIL 11 AM MST SATURDAY...

THE HEAVY SNOW WARNING IS NOW IN EFFECT UNTIL 11 AM MST SATURDAY.

PERIODS OF MODERATE TO HEAVY SNOW ARE EXPECTED TO CONTINUE MAINLY
IN THE MISSOULA VALLEY AND NORTHERN RAVALLI COUNTY. SNOW
ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED BY SATURDAY
AFTERNOON.

A HEAVY SNOW WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
FORECAST THAT WILL MAKE TRAVEL DANGEROUS.

$$

IDZ005-MTZ001-004-021800-
/O.CON.KMSO.HS.W.0010.000000T0000Z-051203T1200Z/
NORTHERN CLEARWATER MOUNTAINS-KOOTENAI/CABINET REGION-
LOWER CLARK FORK REGION-
654 AM PST FRI DEC 2 2005 /754 AM MST FRI DEC 2 2005/

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/
SATURDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/
SATURDAY. 

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 5 AM MST TODAY THROUGH 5 AM MST
SATURDAY. A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
TODAY.

SNOW ACCUMULATIONS OF 6 TO 10 INCHES IN THE VALLEYS WITH 8 TO
12 INCHES IN THE MOUNTAINS ARE EXPECTED BY EARLY SATURDAY
MORNING.

A HEAVY SNOW WARNING MEANS 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.

$$

MTZ003-021800-
/O.CON.KMSO.HS.W.0010.000000T0000Z-051203T1200Z/
FLATHEAD/MISSION VALLEYS-
754 AM MST FRI DEC 2 2005

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

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY. 

SNOW ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED BY EARLY
SATURDAY MORNING.

A HEAVY SNOW WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
FORECAST THAT WILL MAKE TRAVEL DANGEROUS.

$$

MTZ007-021800-
/O.CON.KMSO.WS.A.0011.051203T0100Z-051203T1800Z/
BUTTE/BLACKFOOT REGION-
754 AM MST FRI DEC 2 2005

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

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

THERE IS A POTENTIAL FOR SIGNIFICANT SNOWFALL TONIGHT.

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 30, 7:50 PM PSTWinter Storm WarningMSOClearwater, Idaho, Lemhi32 hr
Nov 30, 7:50 PM PSTSnow and Blowing Snow AdvisoryMSODeer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow32 hr

Nearby

Snow Advisories in Montana, 2005Snow Advisories in Idaho, 2005Every snow advisory 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.