Alert archive / Montana / Snow Advisories in 2008

Snow Advisory 7, NWS Missoula, MT

January 25, 20086 counties in Montana

NWS Missoula, MT issued this snow advisory at Jan 25, 2008, 9:16 PM MST for 6 counties in Montana. It took effect at Jan 26, 2008, 2:46 PM MST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Jan 25, 2008, 9:16 PM MST (04:16 UTC)
In effect from
Jan 26, 2008, 2:46 PM MST
Expired
Jan 26, 2008, 9:55 PM MST
In force
7 hr
Issued by
NWS Missoula, MT

Counties Flathead County, MT, Granite County, MT, Lake County, MT, Missoula County, MT, Powell County, MT, Sanders County, MT

The radar

The Missoula radar (KMSX), 31 km from the middle of the area, began a volume at 04:16 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, 4.3 hours before the alert went out and 190 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 2008-01-26Temperature 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 2008-01-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 square meters per square second.19395878Sfc1 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
1058 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
269 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 260416
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
916 PM MST FRI JAN 25 2008

.A VERY MOIST PACIFIC STORM SYSTEM WILL MOVE EAST ACROSS NORTH
CENTRAL IDAHO AND WESTERN MONTANA SATURDAY AFTERNOON THROUGH
SUNDAY AFTERNOON. HEAVY SNOWFALL AMOUNTS ARE EXPECTED ALONG WITH
LOCALLY BREEZY CONDITIONS AT MOUNTAIN PASSES. AN ARCTIC FRONT WILL
MOVE SOUTH ALONG THE CONTINENTAL DIVIDE SUNDAY AFTERNOON AND
SUNDAY NIGHT...POTENTIALLY EXTENDING THIS EVENT INTO MONDAY.

IDZ005-MTZ004-261215-
/O.UPG.KMSO.WS.A.0006.080127T0000Z-080128T0000Z/
/O.NEW.KMSO.HS.W.0003.080126T2100Z-080128T0300Z/
NORTHERN CLEARWATER MOUNTAINS-LOWER CLARK FORK REGION-
916 PM MST FRI JAN 25 2008 /816 PM PST FRI JAN 25 2008/

...HEAVY SNOW WARNING IN EFFECT FROM 2 PM MST /1 PM PST/ SATURDAY
TO 8 PM MST /7 PM PST/ SUNDAY...
...WINTER STORM WATCH NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 2 PM MST /1 PM PST/ SATURDAY TO
8 PM MST /7 PM PST/ SUNDAY. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED BY
SUNDAY EVENING. LOOKOUT PASS...ELK RIVER AND HEADQUARTERS WILL BE
AMONG THE AREAS IMPACTED BY THIS EVENT. LOWER ELEVATIONS SUCH AS
WEIPPE AND THE INTERSTATE 90 CORRIDOR BETWEEN TARKIO AND HAUGAN
CAN EXPECT 3 TO 6 INCHES OF NEW SNOWFALL ACCUMULATIONS.

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

MTZ002-261215-
/O.UPG.KMSO.WS.A.0006.080127T0000Z-080128T0000Z/
/O.NEW.KMSO.HS.W.0003.080127T0000Z-080128T0000Z/
WEST GLACIER REGION-
916 PM MST FRI JAN 25 2008

...HEAVY SNOW WARNING IN EFFECT FROM 5 PM SATURDAY TO 5 PM MST
SUNDAY...
...WINTER STORM WATCH NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 5 PM SATURDAY TO 5 PM MST
SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE US HIGHWAY 2 CORRIDOR BETWEEN WEST GLACIER
AND MARIAS PASS AND ALSO POLEBRIDGE WILL BE SIGNIFICANTLY IMPACTED
BY THIS EVENT.

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

$$

MTZ001-261215-
/O.UPG.KMSO.WS.A.0006.080127T0000Z-080128T0000Z/
/O.NEW.KMSO.HS.W.0003.080126T2100Z-080128T0000Z/
KOOTENAI/CABINET REGION-
916 PM MST FRI JAN 25 2008

...HEAVY SNOW WARNING IN EFFECT FROM 2 PM SATURDAY TO 5 PM MST
SUNDAY...
...WINTER STORM WATCH NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 2 PM SATURDAY TO 5 PM MST
SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

TOTAL SNOWFALL ACCUMULATIONS OF 7 TO 14 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. LIBBY...YAAK...AND ROUTES ALONG LAKE KOOCANUSA
WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT.

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

MTZ006-261215-
/O.NEW.KMSO.HS.W.0003.080126T2100Z-080128T0600Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
916 PM MST FRI JAN 25 2008

...HEAVY SNOW WARNING IN EFFECT FROM 2 PM SATURDAY TO 11 PM MST
SUNDAY FOR THE US HIGHWAY 12 CORRIDOR BETWEEN LOLO HOT SPRINGS AND LOLO PASS...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 2 PM SATURDAY TO 11 PM MST
SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED BY
SUNDAY EVENING ALONG THIS ROUTE.

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

$$

MTZ043-261215-
/O.NEW.KMSO.SN.Y.0007.080127T0000Z-080128T0000Z/
POTOMAC/SEELEY LAKE REGION-
916 PM MST FRI JAN 25 2008

...SNOW ADVISORY IN EFFECT FROM 5 PM SATURDAY TO 5 PM MST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 5 PM SATURDAY TO 5 PM MST
SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE HIGHWAY 83 CORRIDOR BETWEEN POTOMAC AND
CONDON AND ALSO PLACID LAKE WILL BE AMONG THE AREAS IMPACTED BY
THIS EVENT.

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.

$$
10 follow-up statements
000 
WWUS45 KMSO 260423
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
923 PM MST FRI JAN 25 2008

.A VERY MOIST PACIFIC STORM SYSTEM WILL MOVE EAST ACROSS NORTH
CENTRAL IDAHO AND WESTERN MONTANA SATURDAY AFTERNOON THROUGH
SUNDAY AFTERNOON. HEAVY SNOWFALL AMOUNTS ARE EXPECTED ALONG WITH
LOCALLY BREEZY CONDITIONS AT MOUNTAIN PASSES. AN ARCTIC FRONT
WILL MOVE SOUTH ALONG THE CONTINENTAL DIVIDE SUNDAY AFTERNOON AND
SUNDAY NIGHT...POTENTIALLY EXTENDING THIS EVENT INTO MONDAY.

IDZ006-261215-
/O.EXA.KMSO.HS.W.0003.080126T2100Z-080128T0600Z/
SOUTHERN CLEARWATER MOUNTAINS-
823 PM PST FRI JAN 25 2008

...HEAVY SNOW WARNING IN EFFECT FROM 1 PM SATURDAY TO 10 PM PST
SUNDAY FOR THE US HIGHWAY 12 CORRIDOR BETWEEN POWELL AND LOLO PASS...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT FROM 1 PM SATURDAY TO 10 PM PST
SUNDAY FOR THE US HIGHWAY 12 CORRIDOR BETWEEN POWELL AND LOLO
PASS. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED BY
SUNDAY EVENING ALONG THIS ROUTE.

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

$$

MTZ001-261215-
/O.CON.KMSO.HS.W.0003.080126T2100Z-080128T0000Z/
KOOTENAI/CABINET REGION-
923 PM MST FRI JAN 25 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 2 PM SATURDAY TO
5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 2 PM SATURDAY TO 5 PM
MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 7 TO 14 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. LIBBY...YAAK...AND ROUTES ALONG LAKE KOOCANUSA
WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT.

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

$$

IDZ005-MTZ004-261215-
/O.CON.KMSO.HS.W.0003.080126T2100Z-080128T0300Z/
NORTHERN CLEARWATER MOUNTAINS-LOWER CLARK FORK REGION-
923 PM MST FRI JAN 25 2008 /823 PM PST FRI JAN 25 2008/

...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 2 PM MST /1 PM PST/
SATURDAY TO 8 PM MST /7 PM PST/ SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 2 PM MST /1 PM PST/
SATURDAY TO 8 PM MST /7 PM PST/ SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED BY
SUNDAY EVENING. LOOKOUT PASS...ELK RIVER AND HEADQUARTERS WILL BE
AMONG THE AREAS IMPACTED BY THIS EVENT. LOWER ELEVATIONS SUCH AS
WEIPPE AND THE INTERSTATE 90 CORRIDOR BETWEEN TARKIO AND HAUGAN
CAN EXPECT 3 TO 6 INCHES OF NEW SNOWFALL ACCUMULATIONS.

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

$$

MTZ006-261215-
/O.CON.KMSO.HS.W.0003.080126T2100Z-080128T0600Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
923 PM MST FRI JAN 25 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 2 PM SATURDAY TO
11 PM MST SUNDAY FOR THE US HIGHWAY 12 CORRIDOR BETWEEN LOLO HOT 
SPRINGS AND LOLO PASS... 

A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 2 PM SATURDAY TO
11 PM MST SUNDAY FOR THE US HIGHWAY 12 CORRIDOR BETWEEN LOLO HOT
SPRINGS AND LOLO PASS.

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED BY
SUNDAY EVENING ALONG THIS ROUTE.

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

$$

MTZ002-261215-
/O.CON.KMSO.HS.W.0003.080127T0000Z-080128T0000Z/
WEST GLACIER REGION-
923 PM MST FRI JAN 25 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 5 PM SATURDAY TO
5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 5 PM SATURDAY TO 5 PM
MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE US HIGHWAY 2 CORRIDOR BETWEEN WEST GLACIER
AND MARIAS PASS AND ALSO POLEBRIDGE WILL BE SIGNIFICANTLY
IMPACTED BY THIS EVENT.

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

$$

MTZ043-261215-
/O.CON.KMSO.SN.Y.0007.080127T0000Z-080128T0000Z/
POTOMAC/SEELEY LAKE REGION-
923 PM MST FRI JAN 25 2008

...SNOW ADVISORY REMAINS IN EFFECT FROM 5 PM SATURDAY TO 5 PM MST
SUNDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 5 PM SATURDAY TO 5 PM MST
SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE HIGHWAY 83 CORRIDOR BETWEEN POTOMAC AND
CONDON AND ALSO PLACID LAKE WILL BE AMONG THE AREAS IMPACTED BY
THIS EVENT.

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 261145
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
445 AM MST SAT JAN 26 2008

.A MOIST STORM SYSTEM WILL MOVE EAST ACROSS NORTH CENTRAL IDAHO
AND WESTERN MONTANA THIS AFTERNOON THROUGH SUNDAY. HEAVY SNOWFALL
AMOUNTS ARE EXPECTED ALONG WITH LOCALLY BREEZY CONDITIONS AT
MOUNTAIN PASSES. AN ARCTIC FRONT WILL MOVE SOUTH ALONG THE
CONTINENTAL DIVIDE SUNDAY NIGHT POTENTIALLY EXTENDING THIS EVENT.

MTZ001-262200-
/O.CON.KMSO.HS.W.0003.080126T2100Z-080128T0000Z/
KOOTENAI/CABINET REGION-
445 AM MST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON
TO 5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON
TO 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 7 TO 14 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. LIBBY...YAAK...AND ROUTES ALONG LAKE KOOCANUSA
WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT.

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

$$

IDZ005-MTZ004-262200-
/O.CON.KMSO.HS.W.0003.080126T2100Z-080128T0300Z/
NORTHERN CLEARWATER MOUNTAINS-LOWER CLARK FORK REGION-
445 AM MST SAT JAN 26 2008 /345 AM PST SAT JAN 26 2008/

...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 2 PM MST /1 PM PST/
THIS AFTERNOON TO 8 PM MST /7 PM PST/ SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 2 PM MST /1 PM PST/
THIS AFTERNOON TO 8 PM MST /7 PM PST/ SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 14 INCHES ARE EXPECTED BY
SUNDAY EVENING. LOOKOUT PASS...ELK RIVER AND HEADQUARTERS WILL BE
AMONG THE AREAS IMPACTED BY THIS EVENT. LOWER ELEVATIONS SUCH AS
WEIPPE AND THE INTERSTATE 90 CORRIDOR BETWEEN TARKIO AND HAUGAN
CAN EXPECT 3 TO 6 INCHES OF NEW SNOWFALL ACCUMULATION.

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

$$

IDZ006-MTZ006-262200-
/O.CON.KMSO.HS.W.0003.080126T2100Z-080128T0600Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
445 AM MST SAT JAN 26 2008 /345 AM PST SAT JAN 26 2008/

...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 2 PM MST /1 PM PST/
THIS AFTERNOON TO 11 PM MST /10 PM PST/ SUNDAY  FOR THE U.S. 
HIGHWAY 12 CORRIDOR FROM POWELL OVER LOLO PASS TO NEAR LOLO HOT 
SPRINGS...

A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 2 PM MST /1 PM PST/
THIS AFTERNOON TO 11 PM MST /10 PM PST/ SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED BY
SUNDAY EVENING ALONG THIS ROUTE.

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

$$

MTZ002-262200-
/O.CON.KMSO.HS.W.0003.080127T0000Z-080128T0000Z/
WEST GLACIER REGION-
445 AM MST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO 5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE U.S. HIGHWAY 2 CORRIDOR BETWEEN WEST GLACIER
AND MARIAS PASS AND ALSO POLEBRIDGE WILL BE SIGNIFICANTLY
IMPACTED BY THIS EVENT.

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

$$

MTZ043-262200-
/O.CON.KMSO.SN.Y.0007.080127T0000Z-080128T0000Z/
POTOMAC/SEELEY LAKE REGION-
445 AM MST SAT JAN 26 2008

...SNOW ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO
5 PM MST SUNDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO
5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE HIGHWAY 83 CORRIDOR BETWEEN POTOMAC AND
CONDON AND ALSO PLACID LAKE WILL BE AMONG THE AREAS IMPACTED BY
THIS EVENT.

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 262146
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
246 PM MST SAT JAN 26 2008

.A MOIST STORM SYSTEM WILL MOVE ACROSS NORTH CENTRAL IDAHO AND
WESTERN MONTANA THIS EVENING THROUGH SUNDAY. HEAVY SNOWFALL
AMOUNTS ARE EXPECTED ALONG WITH LOCALLY BREEZY CONDITIONS AT
MOUNTAIN PASSES. 

MTZ001-270515-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0000Z/
KOOTENAI/CABINET REGION-
246 PM MST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 7 TO 14 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. LIBBY...YAAK...AND ROUTES ALONG LAKE KOOCANUSA
WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT.

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

$$

IDZ005-MTZ004-270515-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0300Z/
NORTHERN CLEARWATER MOUNTAINS-LOWER CLARK FORK REGION-
246 PM MST SAT JAN 26 2008 /146 PM PST SAT JAN 26 2008/

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 PM MST /7 PM PST/
SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 PM MST /7 PM PST/
SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 14 INCHES ARE EXPECTED BY
SUNDAY EVENING. LOOKOUT PASS...ELK RIVER AND HEADQUARTERS WILL BE
AMONG THE AREAS IMPACTED BY THIS EVENT. LOWER ELEVATIONS SUCH AS
WEIPPE AND THE INTERSTATE 90 CORRIDOR BETWEEN TARKIO AND HAUGAN
CAN EXPECT 3 TO 6 INCHES OF NEW SNOWFALL ACCUMULATION.

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

$$

IDZ006-MTZ006-270515-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0600Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
246 PM MST SAT JAN 26 2008 /146 PM PST SAT JAN 26 2008/

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM MST /10 PM
PST/ SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM MST /10 PM
PST/ SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED BY
SUNDAY EVENING. HIGHWAY 12 FROM LOLO PASS TO POWELL WILL BE AMONG
THE AREAS MOST IMPACTED BY THIS EVENT. 

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

$$

MTZ002-270515-
/O.CON.KMSO.HS.W.0003.080127T0000Z-080128T0000Z/
WEST GLACIER REGION-
246 PM MST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE U.S. HIGHWAY 2 CORRIDOR BETWEEN WEST
GLACIER AND MARIAS PASS AND ALSO POLEBRIDGE WILL BE MOST IMPACTED
BY THIS EVENT.

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

$$

MTZ003-270515-
/O.EXB.KMSO.SN.Y.0007.080126T2146Z-080127T1800Z/
FLATHEAD/MISSION VALLEYS-
246 PM MST SAT JAN 26 2008

...SNOW ADVISORY IN EFFECT UNTIL 11 AM MST SUNDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 11 AM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. FLATHEAD VALLEY WILL BE MOST EFFECTED BY THIS
EVENT.

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.

$$

MTZ043-270515-
/O.CON.KMSO.SN.Y.0007.080127T0000Z-080128T0000Z/
POTOMAC/SEELEY LAKE REGION-
246 PM MST SAT JAN 26 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE HIGHWAY 83 CORRIDOR BETWEEN POTOMAC AND
CONDON AND ALSO PLACID LAKE WILL BE AMONG THE AREAS IMPACTED BY
THIS EVENT.

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 262228
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
328 PM MST SAT JAN 26 2008

.A MOIST STORM SYSTEM WILL MOVE ACROSS NORTH CENTRAL IDAHO AND
WESTERN MONTANA THIS EVENING THROUGH SUNDAY. HEAVY SNOWFALL
AMOUNTS ARE EXPECTED ALONG WITH LOCALLY BREEZY CONDITIONS AT
MOUNTAIN PASSES.

MTZ001-270500-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0000Z/
KOOTENAI/CABINET REGION-
328 PM MST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 7 TO 14 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. LIBBY...YAAK...AND ROUTES ALONG LAKE KOOCANUSA
WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT.

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

$$

IDZ005-MTZ004-270500-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0300Z/
NORTHERN CLEARWATER MOUNTAINS-LOWER CLARK FORK REGION-
328 PM MST SAT JAN 26 2008 /228 PM PST SAT JAN 26 2008/

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 PM MST /7 PM PST/
SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 PM MST /7 PM PST/
SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 14 INCHES ARE EXPECTED BY
SUNDAY EVENING. LOOKOUT PASS...ELK RIVER AND HEADQUARTERS WILL BE
AMONG THE AREAS IMPACTED BY THIS EVENT. LOWER ELEVATIONS SUCH AS
WEIPPE AND THE INTERSTATE 90 CORRIDOR BETWEEN TARKIO AND HAUGAN
CAN EXPECT 3 TO 6 INCHES OF NEW SNOWFALL ACCUMULATION.

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

$$

IDZ006-MTZ006-270500-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0600Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
328 PM MST SAT JAN 26 2008 /228 PM PST SAT JAN 26 2008/

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM MST /10 PM
PST/ SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM MST /10 PM
PST/ SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES ARE EXPECTED BY
SUNDAY EVENING. HIGHWAY 12 FROM LOLO PASS TO POWELL WILL BE AMONG
THE AREAS MOST IMPACTED BY THIS EVENT.

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

$$

MTZ002-270500-
/O.CON.KMSO.HS.W.0003.080127T0000Z-080128T0000Z/
WEST GLACIER REGION-
328 PM MST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE U.S. HIGHWAY 2 CORRIDOR BETWEEN WEST
GLACIER AND MARIAS PASS AND ALSO POLEBRIDGE WILL BE MOST IMPACTED
BY THIS EVENT.

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

$$

MTZ043-270500-
/O.CON.KMSO.SN.Y.0007.080127T0000Z-080128T0000Z/
POTOMAC/SEELEY LAKE REGION-
328 PM MST SAT JAN 26 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE HIGHWAY 83 CORRIDOR BETWEEN POTOMAC AND
CONDON AND ALSO PLACID LAKE WILL BE AMONG THE AREAS IMPACTED BY
THIS EVENT.

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.

$$

MTZ003-270500-
/O.CON.KMSO.SN.Y.0007.000000T0000Z-080127T1800Z/
FLATHEAD/MISSION VALLEYS-
328 PM MST SAT JAN 26 2008

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

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. FLATHEAD VALLEY WILL BE MOST EFFECTED BY THIS
EVENT.

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 270032
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
532 PM MST SAT JAN 26 2008

.A MOIST STORM SYSTEM WILL MOVE ACROSS NORTH CENTRAL IDAHO AND
WESTERN MONTANA THIS EVENING THROUGH SUNDAY. HEAVY SNOWFALL
AMOUNTS ARE EXPECTED ALONG WITH LOCALLY BREEZY CONDITIONS AT
MOUNTAIN PASSES.

MTZ001-270500-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0000Z/
KOOTENAI/CABINET REGION-
532 PM MST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 7 TO 14 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. LIBBY...YAAK...AND ROUTES ALONG LAKE KOOCANUSA
WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT.

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

$$

IDZ005-MTZ004-270500-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0300Z/
NORTHERN CLEARWATER MOUNTAINS-LOWER CLARK FORK REGION-
532 PM MST SAT JAN 26 2008 /432 PM PST SAT JAN 26 2008/

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 PM MST /7 PM PST/
SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 PM MST /7 PM PST/
SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 14 INCHES ARE EXPECTED BY
SUNDAY EVENING. LOOKOUT PASS...ELK RIVER AND HEADQUARTERS WILL BE
AMONG THE AREAS IMPACTED BY THIS EVENT. LOWER ELEVATIONS SUCH AS
WEIPPE AND THE INTERSTATE 90 CORRIDOR BETWEEN TARKIO AND HAUGAN
CAN EXPECT 3 TO 6 INCHES OF NEW SNOWFALL ACCUMULATION. IN
ADDITION...SNOW MAY BRIEFLY MIX WITH SLEET OR FREEZING RAIN IN
VALLEY BOTTOMS.

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

$$

IDZ006-MTZ006-270500-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0600Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
532 PM MST SAT JAN 26 2008 /432 PM PST SAT JAN 26 2008/

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM MST /10 PM
PST/ SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM MST /10 PM
PST/ SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES ARE EXPECTED BY
SUNDAY EVENING. HIGHWAY 12 FROM LOLO PASS TO POWELL WILL BE AMONG
THE AREAS MOST IMPACTED BY THIS EVENT.

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

$$

MTZ002-270500-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0000Z/
WEST GLACIER REGION-
532 PM MST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE U.S. HIGHWAY 2 CORRIDOR BETWEEN WEST
GLACIER AND MARIAS PASS AND ALSO POLEBRIDGE WILL BE MOST IMPACTED
BY THIS EVENT.

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

$$

MTZ043-270500-
/O.CON.KMSO.SN.Y.0007.000000T0000Z-080128T0000Z/
POTOMAC/SEELEY LAKE REGION-
532 PM MST SAT JAN 26 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE HIGHWAY 83 CORRIDOR BETWEEN POTOMAC AND
CONDON AND ALSO PLACID LAKE WILL BE AMONG THE AREAS IMPACTED BY
THIS EVENT.

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.

$$

MTZ003-270500-
/O.CON.KMSO.SN.Y.0007.000000T0000Z-080127T1800Z/
FLATHEAD/MISSION VALLEYS-
532 PM MST SAT JAN 26 2008

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

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. FLATHEAD VALLEY WILL BE MOST EFFECTED BY THIS
EVENT.

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 270044
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
544 PM MST SAT JAN 26 2008

.A MOIST STORM SYSTEM WILL MOVE ACROSS NORTH CENTRAL IDAHO AND
WESTERN MONTANA THIS EVENING THROUGH SUNDAY. HEAVY SNOWFALL
AMOUNTS ARE EXPECTED ALONG WITH LOCALLY BREEZY CONDITIONS AT
MOUNTAIN PASSES.

MTZ001-270500-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0000Z/
KOOTENAI/CABINET REGION-
544 PM MST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 7 TO 14 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. LIBBY...YAAK...AND ROUTES ALONG LAKE KOOCANUSA
WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT.

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

$$

IDZ005-MTZ004-270500-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0300Z/
NORTHERN CLEARWATER MOUNTAINS-LOWER CLARK FORK REGION-
544 PM MST SAT JAN 26 2008 /444 PM PST SAT JAN 26 2008/

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 PM MST /7 PM PST/
SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 PM MST /7 PM PST/
SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 14 INCHES ARE EXPECTED BY
SUNDAY EVENING. LOOKOUT PASS...ELK RIVER AND HEADQUARTERS WILL BE
AMONG THE AREAS IMPACTED BY THIS EVENT. LOWER ELEVATIONS SUCH AS
WEIPPE AND THE INTERSTATE 90 CORRIDOR BETWEEN TARKIO AND HAUGAN
CAN EXPECT 3 TO 6 INCHES OF NEW SNOWFALL ACCUMULATION. IN
ADDITION...SNOW MAY BRIEFLY MIX WITH SLEET OR FREEZING RAIN IN
VALLEY BOTTOMS.

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

$$

IDZ006-MTZ006-270500-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0600Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
544 PM MST SAT JAN 26 2008 /444 PM PST SAT JAN 26 2008/

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM MST /10 PM
PST/ SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM MST /10 PM
PST/ SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES ARE EXPECTED BY
SUNDAY EVENING. HIGHWAY 12 FROM LOLO PASS TO POWELL WILL BE AMONG
THE AREAS MOST IMPACTED BY THIS EVENT.

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

$$

MTZ002-270500-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0000Z/
WEST GLACIER REGION-
544 PM MST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE U.S. HIGHWAY 2 CORRIDOR BETWEEN WEST
GLACIER AND MARIAS PASS AND ALSO POLEBRIDGE WILL BE MOST IMPACTED
BY THIS EVENT.

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

$$

MTZ005-270500-
/O.NEW.KMSO.WW.Y.0003.080127T0044Z-080127T0900Z/
MISSOULA/BITTERROOT VALLEYS-
544 PM MST SAT JAN 26 2008

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 2 AM MST SUNDAY 
FOR THE BITTERROOT VALLEY NORTH OF VICTOR AND THE MISSOULA VALLEY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR THE BITTERROOT VALLEY NORTH OF VICTOR AND THE
MISSOULA VALLEY...WHICH IS IN EFFECT UNTIL 2 AM MST SUNDAY.

A MIXTURE OF FREEZING RAIN...SLEET AND SNOW WILL CONTINUE OVER THE
AREA UNTIL LATE TONIGHT WHEN THE PRECIPITATION CHANGES TO ALL
SNOW.

THE MIXED PRECIPITATION WILL CAUSE TRAVEL DIFFICULTIES. BE
PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE
CAUTION WHILE DRIVING.

$$

MTZ043-270500-
/O.CON.KMSO.SN.Y.0007.000000T0000Z-080128T0000Z/
POTOMAC/SEELEY LAKE REGION-
544 PM MST SAT JAN 26 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE HIGHWAY 83 CORRIDOR BETWEEN POTOMAC AND
CONDON AND ALSO PLACID LAKE WILL BE AMONG THE AREAS IMPACTED BY
THIS EVENT.

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.

$$

MTZ003-270500-
/O.CON.KMSO.SN.Y.0007.000000T0000Z-080127T1800Z/
FLATHEAD/MISSION VALLEYS-
544 PM MST SAT JAN 26 2008

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

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. FLATHEAD VALLEY WILL BE MOST EFFECTED BY THIS
EVENT.

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 270152
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
652 PM MST SAT JAN 26 2008

.A MOIST STORM SYSTEM WILL MOVE ACROSS NORTH CENTRAL IDAHO AND
WESTERN MONTANA THIS EVENING THROUGH SUNDAY. HEAVY SNOWFALL
AMOUNTS ARE EXPECTED ALONG WITH LOCALLY BREEZY CONDITIONS AT
MOUNTAIN PASSES.

MTZ001-271200-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0000Z/
KOOTENAI/CABINET REGION-
652 PM MST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 7 TO 14 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. LIBBY...YAAK...AND ROUTES ALONG LAKE KOOCANUSA
WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT.

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

$$

IDZ005-MTZ004-271200-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0300Z/
NORTHERN CLEARWATER MOUNTAINS-LOWER CLARK FORK REGION-
652 PM MST SAT JAN 26 2008 /552 PM PST SAT JAN 26 2008/

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 PM MST /7 PM PST/
SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 PM MST /7 PM PST/
SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 14 INCHES ARE EXPECTED BY
SUNDAY EVENING. LOOKOUT PASS...ELK RIVER AND HEADQUARTERS WILL BE
AMONG THE AREAS IMPACTED BY THIS EVENT. LOWER ELEVATIONS SUCH AS
WEIPPE AND THE INTERSTATE 90 CORRIDOR BETWEEN TARKIO AND HAUGAN
CAN EXPECT 3 TO 6 INCHES OF NEW SNOWFALL ACCUMULATION. IN
ADDITION...SNOW MAY BRIEFLY MIX WITH SLEET OR FREEZING RAIN IN
VALLEY BOTTOMS.

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

$$

IDZ006-MTZ006-271200-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0600Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
652 PM MST SAT JAN 26 2008 /552 PM PST SAT JAN 26 2008/

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM MST /10 PM
PST/ SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM MST /10 PM
PST/ SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES ARE EXPECTED BY
SUNDAY EVENING. HIGHWAY 12 FROM LOLO PASS TO POWELL WILL BE AMONG
THE AREAS MOST IMPACTED BY THIS EVENT.

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

$$

MTZ002-271200-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0000Z/
WEST GLACIER REGION-
652 PM MST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE U.S. HIGHWAY 2 CORRIDOR BETWEEN WEST
GLACIER AND MARIAS PASS AND ALSO POLEBRIDGE WILL BE MOST IMPACTED
BY THIS EVENT.

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

$$

MTZ043-271200-
/O.CON.KMSO.SN.Y.0007.000000T0000Z-080128T0000Z/
POTOMAC/SEELEY LAKE REGION-
652 PM MST SAT JAN 26 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE HIGHWAY 83 CORRIDOR BETWEEN POTOMAC AND
CONDON AND ALSO PLACID LAKE WILL BE AMONG THE AREAS IMPACTED BY
THIS EVENT. THE INTERSTATE 90 CORRIDOR BETWEEN BONNER AND ROCK
CREEK WILL SEE PERIODS OF LIGHT FREEZING DRIZZLE UNTIL LATE
TONIGHT WHICH IS WHEN THE PRECIPITATION IS EXPECTED TO CHANGE BACK
TO ALL SNOW.

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.

$$

MTZ003-271200-
/O.CON.KMSO.SN.Y.0007.000000T0000Z-080127T1800Z/
FLATHEAD/MISSION VALLEYS-
652 PM MST SAT JAN 26 2008

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

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. FLATHEAD VALLEY WILL BE MOST EFFECTED BY THIS
EVENT.

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.

$$

MTZ005-270900-
/O.CON.KMSO.WW.Y.0003.000000T0000Z-080127T0900Z/
MISSOULA/BITTERROOT VALLEYS-
652 PM MST SAT JAN 26 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 AM MST
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 AM MST
SUNDAY. 

A MIXTURE OF FREEZING RAIN...SLEET AND SNOW WILL CONTINUE OVER
THE AREA UNTIL LATE TONIGHT WHEN THE PRECIPITATION CHANGES TO ALL
SNOW.

THE MIXED PRECIPITATION WILL CAUSE TRAVEL DIFFICULTIES. BE
PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE
CAUTION WHILE DRIVING.

$$
000 
WWUS45 KMSO 270337
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
837 PM MST SAT JAN 26 2008

.A MOIST STORM SYSTEM WILL MOVE ACROSS NORTH CENTRAL IDAHO AND
WESTERN MONTANA THIS EVENING THROUGH SUNDAY. HEAVY SNOWFALL
AMOUNTS ARE EXPECTED ALONG WITH LOCALLY BREEZY CONDITIONS AT
MOUNTAIN PASSES.

MTZ004-271200-
/O.CAN.KMSO.HS.W.0003.000000T0000Z-080128T0300Z/
/O.NEW.KMSO.WS.W.0004.080127T0337Z-080128T0300Z/
LOWER CLARK FORK REGION-
837 PM MST SAT JAN 26 2008

...WINTER STORM WARNING IN EFFECT UNTIL 8 PM MST SUNDAY...
...HEAVY SNOW WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT UNTIL 8 PM MST SUNDAY. THE
WINTER STORM WARNING REPLACES THE HEAVY SNOW WARNING THAT WAS
PREVIOUSLY IN EFFECT.

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 14 INCHES ARE EXPECTED
BETWEEN LOOKOUT PASS AND SAINT REGIS AND ALSO NEAR NOXON BY SUNDAY
EVENING. LOWER ELEVATIONS...LIKE THE INTERSTATE 90 CORRIDOR
BETWEEN SAINT REGIS AND TARKIO AND THE HIGHWAY 200 CORRIDOR
BETWEEN TROUT CREEK AND ARLEE WILL SEE A MIX OF FREEZING
RAIN...SLEET AND SNOW THROUGH MID DAY SUNDAY. AT THAT POINT THE
MIXED PRECIPITATION IS EXPECTED TO CHANGE OVER TO ALL SNOW WITH 3
TO 6 INCHES EXPECTED IN THE LOWER ELEVATIONS. 

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE...MAINLY NEAR LOOKOUT PASS. THIS WILL MAKE TRAVEL VERY
HAZARDOUS OR IMPOSSIBLE.

$$

MTZ043-271200-
/O.CAN.KMSO.SN.Y.0007.000000T0000Z-080128T0000Z/
/O.EXB.KMSO.WW.Y.0003.000000T0000Z-080128T0000Z/
POTOMAC/SEELEY LAKE REGION-
837 PM MST SAT JAN 26 2008

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST SUNDAY...
...SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST SUNDAY. THE
WINTER WEATHER ADVISORY REPLACES THE SNOW ADVISORY THAT WAS
PREVIOUSLY IN EFFECT.

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE HIGHWAY 83 CORRIDOR BETWEEN POTOMAC AND
CONDON AND ALSO PLACID LAKE WILL BE AMONG THE AREAS IMPACTED BY
THIS EVENT. THE INTERSTATE 90 CORRIDOR BETWEEN BONNER AND ROCK
CREEK WILL SEE PERIODS OF LIGHT FREEZING RAIN UNTIL LATE
SUNDAY MID DAY WHICH IS WHEN THE PRECIPITATION IS EXPECTED TO CHANGE
BACK TO ALL SNOW.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

MTZ001-271200-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0000Z/
KOOTENAI/CABINET REGION-
837 PM MST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 7 TO 14 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. LIBBY...YAAK...AND ROUTES ALONG LAKE KOOCANUSA
WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT.

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

$$

IDZ005-271200-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0300Z/
NORTHERN CLEARWATER MOUNTAINS-
737 PM PST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 7 PM PST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 7 PM PST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 14 INCHES ARE EXPECTED BY
SUNDAY EVENING. LOOKOUT PASS...ELK RIVER AND HEADQUARTERS WILL BE
AMONG THE AREAS IMPACTED BY THIS EVENT. LOWER ELEVATIONS SUCH AS
WEIPPE AND THE INTERSTATE 90 CORRIDOR BETWEEN TARKIO AND HAUGAN
CAN EXPECT 3 TO 6 INCHES OF NEW SNOWFALL ACCUMULATION. IN
ADDITION...SNOW MAY BRIEFLY MIX WITH SLEET OR FREEZING RAIN IN
VALLEY BOTTOMS.

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

$$

IDZ006-MTZ006-271200-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0600Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
837 PM MST SAT JAN 26 2008 /737 PM PST SAT JAN 26 2008/

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM MST /10 PM
PST/ SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM MST /10 PM
PST/ SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES ARE EXPECTED BY
SUNDAY EVENING. HIGHWAY 12 FROM LOLO PASS TO POWELL WILL BE AMONG
THE AREAS MOST IMPACTED BY THIS EVENT.

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

$$

MTZ002-271200-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0000Z/
WEST GLACIER REGION-
837 PM MST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE U.S. HIGHWAY 2 CORRIDOR BETWEEN WEST
GLACIER AND MARIAS PASS AND ALSO POLEBRIDGE WILL BE MOST IMPACTED
BY THIS EVENT.

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

$$

MTZ003-271200-
/O.CON.KMSO.SN.Y.0007.000000T0000Z-080127T1800Z/
FLATHEAD/MISSION VALLEYS-
837 PM MST SAT JAN 26 2008

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

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. FLATHEAD VALLEY WILL BE MOST EFFECTED BY THIS
EVENT.

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.

$$

MTZ005-270900-
/O.CON.KMSO.WW.Y.0003.000000T0000Z-080127T0900Z/
MISSOULA/BITTERROOT VALLEYS-
837 PM MST SAT JAN 26 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 AM MST
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 AM MST
SUNDAY. 

A MIXTURE OF FREEZING RAIN...SLEET AND SNOW WILL CONTINUE OVER
THE AREA UNTIL LATE TONIGHT WHEN THE PRECIPITATION CHANGES TO ALL
SNOW.

THE MIXED PRECIPITATION WILL CAUSE TRAVEL DIFFICULTIES. BE
PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE
CAUTION WHILE DRIVING.

$$
000 
WWUS45 KMSO 270406
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
906 PM MST SAT JAN 26 2008

.A MOIST STORM SYSTEM WILL MOVE ACROSS NORTH CENTRAL IDAHO AND
WESTERN MONTANA THIS EVENING THROUGH SUNDAY. HEAVY SNOWFALL
AMOUNTS ARE EXPECTED ALONG WITH LOCALLY BREEZY CONDITIONS AT
MOUNTAIN PASSES.

MTZ001-271200-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0000Z/
KOOTENAI/CABINET REGION-
906 PM MST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 7 TO 14 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. LIBBY...YAAK...AND ROUTES ALONG LAKE KOOCANUSA
WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT.

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

$$

IDZ005-271200-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0300Z/
NORTHERN CLEARWATER MOUNTAINS-
806 PM PST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 7 PM PST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 7 PM PST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 14 INCHES ARE EXPECTED BY
SUNDAY EVENING. LOOKOUT PASS...ELK RIVER AND HEADQUARTERS WILL BE
AMONG THE AREAS IMPACTED BY THIS EVENT. LOWER ELEVATIONS SUCH AS
WEIPPE AND THE INTERSTATE 90 CORRIDOR BETWEEN TARKIO AND HAUGAN
CAN EXPECT 3 TO 6 INCHES OF NEW SNOWFALL ACCUMULATION. IN
ADDITION...SNOW MAY BRIEFLY MIX WITH SLEET OR FREEZING RAIN IN
VALLEY BOTTOMS.

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

$$

IDZ006-MTZ006-271200-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0600Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
906 PM MST SAT JAN 26 2008 /806 PM PST SAT JAN 26 2008/

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM MST /10 PM
PST/ SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM MST /10 PM
PST/ SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES ARE EXPECTED BY
SUNDAY EVENING. HIGHWAY 12 FROM LOLO PASS TO POWELL WILL BE AMONG
THE AREAS MOST IMPACTED BY THIS EVENT.

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

$$

MTZ002-271200-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0000Z/
WEST GLACIER REGION-
906 PM MST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE U.S. HIGHWAY 2 CORRIDOR BETWEEN WEST
GLACIER AND MARIAS PASS AND ALSO POLEBRIDGE WILL BE MOST IMPACTED
BY THIS EVENT.

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

$$

MTZ004-271200-
/O.CON.KMSO.WS.W.0004.000000T0000Z-080128T0300Z/
LOWER CLARK FORK REGION-
906 PM MST SAT JAN 26 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 14 INCHES ARE EXPECTED
BETWEEN LOOKOUT PASS AND SAINT REGIS AND ALSO NEAR NOXON BY
SUNDAY EVENING. LOWER ELEVATIONS...LIKE THE INTERSTATE
90 CORRIDOR BETWEEN SAINT REGIS AND TARKIO AND THE HIGHWAY
200 CORRIDOR BETWEEN TROUT CREEK AND ARLEE WILL SEE A MIX OF
FREEZING RAIN...SLEET AND SNOW THROUGH MID DAY SUNDAY. AT THAT
POINT THE MIXED PRECIPITATION IS EXPECTED TO CHANGE OVER TO ALL
SNOW WITH 3 TO 6 INCHES EXPECTED IN THE LOWER ELEVATIONS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE...MAINLY NEAR LOOKOUT PASS. THIS WILL MAKE TRAVEL VERY
HAZARDOUS OR IMPOSSIBLE.

$$

MTZ005-271200-
/O.EXT.KMSO.WW.Y.0003.000000T0000Z-080127T1200Z/
MISSOULA/BITTERROOT VALLEYS-
906 PM MST SAT JAN 26 2008

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 AM MST SUNDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 5 AM MST
SUNDAY. 

A MIXTURE OF FREEZING RAIN AND SLEET WILL CONTINUE OVER THE AREA
UNTIL SUNDAY MORNING WHEN THE PRECIPITATION CHANGES TO ALL SNOW.

THE MIXED PRECIPITATION WILL CAUSE TRAVEL DIFFICULTIES. BE
PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE
CAUTION WHILE DRIVING.

$$

MTZ003-271200-
/O.CON.KMSO.SN.Y.0007.000000T0000Z-080127T1800Z/
FLATHEAD/MISSION VALLEYS-
906 PM MST SAT JAN 26 2008

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

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. FLATHEAD VALLEY WILL BE MOST EFFECTED BY THIS
EVENT.

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.

$$

MTZ043-271200-
/O.CON.KMSO.WW.Y.0003.000000T0000Z-080128T0000Z/
POTOMAC/SEELEY LAKE REGION-
906 PM MST SAT JAN 26 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE HIGHWAY 83 CORRIDOR BETWEEN POTOMAC AND
CONDON AND ALSO PLACID LAKE WILL BE AMONG THE AREAS IMPACTED BY
THIS EVENT. THE INTERSTATE 90 CORRIDOR BETWEEN BONNER AND ROCK
CREEK WILL SEE PERIODS OF LIGHT FREEZING RAIN UNTIL LATE SUNDAY
MID DAY WHICH IS WHEN THE PRECIPITATION IS EXPECTED TO CHANGE
BACK TO ALL SNOW.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$
000 
WWUS45 KMSO 270455
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
955 PM MST SAT JAN 26 2008

.A MOIST STORM SYSTEM WILL MOVE ACROSS NORTH CENTRAL IDAHO AND
WESTERN MONTANA THIS EVENING THROUGH SUNDAY. HEAVY SNOWFALL
AMOUNTS ARE EXPECTED ALONG WITH LOCALLY BREEZY CONDITIONS AT
MOUNTAIN PASSES.

MTZ003-271200-
/O.CAN.KMSO.SN.Y.0007.000000T0000Z-080127T1800Z/
/O.EXB.KMSO.WW.Y.0003.000000T0000Z-080127T1800Z/
FLATHEAD/MISSION VALLEYS-
955 PM MST SAT JAN 26 2008

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST SUNDAY...
...SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 11 AM MST SUNDAY. THE
WINTER WEATHER ADVISORY REPLACES THE SNOW ADVISORY THAT WAS
PREVIOUSLY IN EFFECT. 

A MIX OF LIGHT FREEZING RAIN AND SNOW WILL CONTINUE TO IMPACT THE
FLATHEAD AND MISSION VALLEYS THROUGH MID DAY SUNDAY. SNOWFALL
ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED ALONG THE NORTHERN
EDGE OF THE FLATHEAD VALLEY BETWEEN WHITEFISH AND COLUMBIA FALLS
BY LATE SUNDAY MORNING.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

MTZ001-271200-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0000Z/
KOOTENAI/CABINET REGION-
955 PM MST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 7 TO 14 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. LIBBY...YAAK...AND ROUTES ALONG LAKE KOOCANUSA
WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT.

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

$$

IDZ005-271200-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0300Z/
NORTHERN CLEARWATER MOUNTAINS-
855 PM PST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 7 PM PST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 7 PM PST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 14 INCHES ARE EXPECTED BY
SUNDAY EVENING. LOOKOUT PASS...ELK RIVER AND HEADQUARTERS WILL BE
AMONG THE AREAS IMPACTED BY THIS EVENT. LOWER ELEVATIONS SUCH AS
WEIPPE AND THE INTERSTATE 90 CORRIDOR BETWEEN TARKIO AND HAUGAN
CAN EXPECT 3 TO 6 INCHES OF NEW SNOWFALL ACCUMULATION. IN
ADDITION...SNOW MAY BRIEFLY MIX WITH SLEET OR FREEZING RAIN IN
VALLEY BOTTOMS.

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

$$

IDZ006-MTZ006-271200-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0600Z/
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
955 PM MST SAT JAN 26 2008 /855 PM PST SAT JAN 26 2008/

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM MST /10 PM
PST/ SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 11 PM MST /10 PM
PST/ SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 14 INCHES ARE EXPECTED BY
SUNDAY EVENING. HIGHWAY 12 FROM LOLO PASS TO POWELL WILL BE AMONG
THE AREAS MOST IMPACTED BY THIS EVENT.

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

$$

MTZ002-271200-
/O.CON.KMSO.HS.W.0003.000000T0000Z-080128T0000Z/
WEST GLACIER REGION-
955 PM MST SAT JAN 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE U.S. HIGHWAY 2 CORRIDOR BETWEEN WEST
GLACIER AND MARIAS PASS AND ALSO POLEBRIDGE WILL BE MOST IMPACTED
BY THIS EVENT.

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

$$

MTZ004-271200-
/O.CON.KMSO.WS.W.0004.000000T0000Z-080128T0300Z/
LOWER CLARK FORK REGION-
955 PM MST SAT JAN 26 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM MST SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 14 INCHES ARE EXPECTED
BETWEEN LOOKOUT PASS AND SAINT REGIS AND ALSO NEAR NOXON BY
SUNDAY EVENING. LOWER ELEVATIONS...LIKE THE INTERSTATE
90 CORRIDOR BETWEEN SAINT REGIS AND TARKIO AND THE HIGHWAY
200 CORRIDOR BETWEEN TROUT CREEK AND ARLEE WILL SEE A MIX OF
FREEZING RAIN...SLEET AND SNOW THROUGH MID DAY SUNDAY. AT THAT
POINT THE MIXED PRECIPITATION IS EXPECTED TO CHANGE OVER TO ALL
SNOW WITH 3 TO 6 INCHES EXPECTED IN THE LOWER ELEVATIONS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE...MAINLY NEAR LOOKOUT PASS. THIS WILL MAKE TRAVEL VERY
HAZARDOUS OR IMPOSSIBLE.

$$

MTZ005-271200-
/O.CON.KMSO.WW.Y.0003.000000T0000Z-080127T1200Z/
MISSOULA/BITTERROOT VALLEYS-
955 PM MST SAT JAN 26 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
SUNDAY. 

A MIXTURE OF FREEZING RAIN AND SLEET WILL CONTINUE OVER THE AREA
UNTIL SUNDAY MORNING WHEN THE PRECIPITATION CHANGES TO ALL SNOW.

THE MIXED PRECIPITATION WILL CAUSE TRAVEL DIFFICULTIES. BE
PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE
CAUTION WHILE DRIVING.

$$

MTZ043-271200-
/O.CON.KMSO.WW.Y.0003.000000T0000Z-080128T0000Z/
POTOMAC/SEELEY LAKE REGION-
955 PM MST SAT JAN 26 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SUNDAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED BY
SUNDAY AFTERNOON. THE HIGHWAY 83 CORRIDOR BETWEEN POTOMAC AND
CONDON AND ALSO PLACID LAKE WILL BE AMONG THE AREAS IMPACTED BY
THIS EVENT. THE INTERSTATE 90 CORRIDOR BETWEEN BONNER AND ROCK
CREEK WILL SEE PERIODS OF LIGHT FREEZING RAIN UNTIL LATE SUNDAY
MID DAY WHICH IS WHEN THE PRECIPITATION IS EXPECTED TO CHANGE
BACK TO ALL SNOW.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

What forecasters said that day

The local office's own words before this snow advisory 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 snow advisory went out at Jan 25, 6:22 PM MST, 2 hours 54 minutes earlier.

Area forecast discussion, Jan 25, 6:22 PM MST, 2 hours 54 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
622 PM MST FRI JAN 25 2008

.DISCUSSION...SATELLITE AND RADAR IMAGERY SHOW SIGNIFICANT
CLEARING OCCURRING ACROSS CENTRAL IDAHO AND SW MONTANA THIS
EVENING. AS A RESULT...OVERNIGHT LOW TEMPERATURES IN THESE AREAS
MAY BE A LITTLE LOWER THAN ORIGINALLY THOUGHT. WITH THAT
SAID...THE PRESENCE OF MORE MOISTURE IN THE LOWER LEVELS ALONG WITH
LIGHT GRADIENT-INDUCED WINDS SHOULD BUFFER THE TEMPERATURES FROM
FALLING OFF TOO MUCH. PATCHY DENSE FOG SHOULD BEGIN TO DEVELOP
SHORTLY ALONG RIVERS AND STREAMS IN THESE AREAS.

AN UPDATE TO THE FORECAST WILL BE ISSUED IN A FEW MINUTES.
ALSO...THE CURRENT WATCHES THAT ARE IN EFFECT WILL LIKELY BE
UPGRADED TO WINTER STORM WARNINGS FOR THE GLACIER NATIONAL PARK AREA
AND NORTHERN BITTERROOT/SRN CABINET MOUNTAINS (MONTANA ZONES 2 AND
4.) HEAVY SNOW WARNINGS WILL LIKELY BE ISSUED FOR THE KOOTENAI AND
CENTRAL/NORTHERN CABINET MTNS REGION AND ALSO FOR THE NORTHERN
CLEARWATER MOUNTAINS (MONTANA ZONE 1 AND IDAHO ZONE 5.) IN ADDITION
TO THESE AREAS...A HEAVY SNOW WARNING WILL PROBABLY BE ISSUED FOR THE
US HIGHWAY 12 CORRIDOR BETWEEN POWELL AND LOLO HOT SPRINGS FOR THE
SAME PERIOD WHICH IS SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON.

&&

.AVIATION...PATCHY FREEZING FOG (LOCALLY DENSE) WILL IMPACT
AIRFIELD OPERATIONS THROUGH SATURDAY MORNING. MIXED PRECIPITATION
MAY BECOME A PROBLEM ON SATURDAY AFTERNOON AT KMSO AND AT
AIRFIELDS IN THE BITTERROOT VALLEY. MOUNTAINS AND PASSES WILL BE
OBSCURED AT TIMES ON SATURDAY BY SNOW AND CLOUDS.

&&

.PREV DISCUSSION... /ISSUED 249 PM MST FRI JAN 25 2008/

DISCUSSION...A WEAK SHORT WAVE HAS MOVED INTO THE NORTHERN
ROCKIES THIS AFTERNOON CONTINUING THE LIGHT SNOW OVER WEST CENTRAL
MONTANA. EXPECT THIS SNOWFALL TO CONTINUE OVER THE NEXT SEVERAL
HOURS AND THEN GRADUALLY DISSIPATE BY MIDNIGHT AS MOISTURE AND
LIFT BECOME MORE LIMITED. LITTLE SNOW ACCUMULATION EXPECTED. SKIES
SHOULD CLEAR SOMEWHAT OVERNIGHT ALLOWING FOR RADIATIONAL COOLING
(MEANING COLD VALLEY TEMPERATURES) AND THE POSSIBILITY OF SOME
PATCHY FOG FORMATION BY MORNING.

MORE ACTIVE WEATHER PATTERN BEGINNING SATURDAY. AN UPPER LEVEL
TROUGH WILL APPROACH THE REGION WITH WARM AIR ADVECTION AHEAD OF
IT. THIS WILL ALLOW MANY VALLEY LOCATIONS TO FINALLY MIX OUT THE
COLD AIR. HOWEVER...SOME OF THE MORE STUBBORN VALLEYS
(MISSOULA...FLATHEAD...SEELEY) WILL MOST LIKELY MAINTAIN THE COLD
AIR UNTIL A COLD FRONT FINALLY PASSES THROUGH SUNDAY. WIDESPREAD
PRECIPITATION ASSOCIATED WITH THIS WEATHER SYSTEM IS EXPECTED TO
FORM ACROSS NORTHWEST MONTANA AND NORTH CENTRAL IDAHO. MOST OF
THIS PRECIPITATION WILL FALL AS SNOW ACROSS NORTHWEST MONTANA AND
NORTH CENTRAL IDAHO...BUT THE AFOREMENTIONED VALLEYS MAY ACTUALLY
FLIRT WITH FREEZING RAIN BY SATURDAY NIGHT. ADDITIONALLY...THE
PRESSURE GRADIENT WILL TIGHTEN AHEAD OF THIS SYSTEM SATURDAY...BRINGING
INCREASING SOUTH WINDS. THIS WILL BE ESPECIALLY TRUE OVER THE CAMAS
PRAIRIE IN IDAHO...WHERE A WIND ADVISORY MAY BE NECESSARY SATURDAY
AFTERNOON INTO THE OVERNIGHT HOURS.

SUNDAY...A SURFACE LOW WILL DEVELOP IN NORTHWEST MONTANA AHEAD OF AN
APPROACHING ARCTIC AIRMASS WITH A TROUGH OF LOW PRESSURE OVER THE WEST
COAST. SOUTHWEST FLOW FROM THIS TROUGH WILL USER IN PLENTY OF MOISTURE
TO INTERACT WITH THIS BOUNDARY OR FRONT...ESPECIALLY IN NORTH CENTRAL
IDAHO AND NORTHWEST MONTANA.

AN IMPRESSIVE VERY COLD ARCTIC AIR MASS WILL APPROACH THE CONTINENTAL
DIVIDE SUNDAY AFTERNOON. THE SURFACE BOUNDARY WILL STRENGTHEN IN NORTHWEST
MONTANA WITH THE SURFACE LOW SLIDING TO THE SOUTHEAST BY MONDAY MORNING.
SIGNIFICANT SNOWFALL MAY BE POSSIBLE IN SOME VALLEY AREAS OF NORTHWEST
AND WEST CENTRAL MONTANA AS THE SURFACE LOW MOVES ALONG THIS BOUNDARY.
BUT EXACT PLACEMENT OF THIS BOUNDARY IS UNCERTAIN AT THIS TIME DEPENDING
ON WHERE THE SURFACE LOW DEVELOPS AND HOW FAST THE APPROACHING ARCTIC
FRONT MOVES INTO THE REGION.

SUNDAY EVENING AND MONDAY...CONFIDENCE IS INCREASING WITH THE SOLUTION
OF SIGNIFICANTLY COLDER AIR ENTERING NORTHWEST MONTANA. LATEST FORECAST
MODELS ARE IN GENERAL AGREEMENT IN BRINGING IN ARCTIC AIR INTO NORTHWEST
MONTANA SOMETIME BETWEEN LATE SUNDAY AFTERNOON AND SUNDAY EVENING. EXACT
TIMING OF THE ARRIVAL WILL DEPEND ON THE DEPTH OF THE ARCTIC AIR. HOW
FAR SOUTH THIS COLD AIR MASS WILL MOVE INTO WEST CENTRAL MONTANA IS
SOMEWHAT UNCERTAIN AT THIS TIME. MODELS ARE INDICATING SOME OF THIS
ARCTIC AIR MOVING AS FAR SOUTH AS MISSOULA AREA. BUT THE DEEP COLD AIR
IS EXPECTED TO REMAIN IN NORTHWEST MONTANA AS ATMOSPHERIC INSTABILITY
MAY BE ENOUGH TO MODERATE THE ARCTIC AIR AS IT MOVES SOUTH. CURRENTLY
IT APPEARS THAT AREAS MOST IMPACTED BY THIS SYSTEM WILL BE NORTHWEST
MONTANA WHERE AREAS OF SNOW AND BLOWING SNOW ARE EXPECTED.

TUESDAY THROUGH FRIDAY...SEVERAL SHORT WAVES ARE EXPECTED TO MOVE THROUGH
THE NORTHERN ROCKIES PRODUCING A CONTINUED UNSETTLED WEATHER PATTERN
WITH PERIODS OF SNOW.

AVIATION...LIGHT SNOW SHOWERS WILL CONTINUE ACROSS WEST CENTRAL
MONTANA THIS AFTERNOON BEFORE DISSIPATING LATER THIS EVENING. MAIN
IMPACT WILL BE FOR LOWERED CEILINGS OBSCURING THE HIGHER TERRAIN.
AS SKIES CLEAR BRIEFLY TONIGHT...PATCHY FOG AND LOW STRATUS IS
EXPECTED TO FORM ACROSS NORTHWEST AND WEST CENTRAL MONTANA
VALLEYS...CAUSING GROUND OBSCURATIONS. A STRONGER WEATHER SYSTEM
WILL ENTER THE REGION SATURDAY AFTERNOON AND BRING WIDESPREAD
LOWERED CEILINGS AND VISIBILITIES ACROSS ALL OF WESTERN MONTANA
AND NORTH CENTRAL IDAHO.

&&

.MSO WATCHES/WARNINGS/ADVISORIES...
MT...WINTER STORM WATCH FROM SATURDAY AFTERNOON THROUGH SUNDAY
     AFTERNOON FOR KOOTENAI/CABINET REGION-LOWER CLARK FORK
     REGION-WEST GLACIER REGION.

ID...WINTER STORM WATCH FROM SATURDAY AFTERNOON THROUGH SUNDAY
     AFTERNOON FOR NORTHERN CLEARWATER MOUNTAINS.

&&

UPDATE/AVIATION...HENRY
PREVIOUS DISCUSSION...VIA/BAUCK/RPN
Hazardous weather outlook, Jan 25, 7:18 PM MST, 1 hour 58 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MISSOULA MT
718 PM MST FRI JAN 25 2008

MTZ003-043-262200-
FLATHEAD/MISSION VALLEYS-POTOMAC/SEELEY LAKE REGION-
718 PM MST FRI JAN 25 2008

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

.DAY ONE...TONIGHT AND SATURDAY

ISOLATED SNOW FLURRIES WILL TAPER OFF OVERNIGHT WITH AREAS OF
PATCHY FREEZING FOG DEVELOPING AFTER MIDNIGHT. AN ACTIVE PATTERN
WILL DEVELOP ON SATURDAY AFTERNOON AS A POTENT WINTER STORM MOVES INTO
WESTERN MONTANA. SIGNIFICANT SNOWFALL AMOUNTS ARE POSSIBLE ACROSS
THE NORTHERN FLATHEAD VALLEY AND ALONG THE HIGHWAY 83 CORRIDOR
FROM POTOMAC NORTH TO SWAN LAKE. HIGHLIGHTS MAY BE NEEDED.

.DAYS TWO THROUGH SEVEN...SATURDAY NIGHT THROUGH THURSDAY

THE ACTIVE PATTERN WILL CONTINUE THROUGH MID WEEK. DURING THIS
PERIOD...THE AIR MASS WILL BRIEFLY WARM SATURDAY EVENING INTO
SUNDAY IN THE VALLEYS. THE POSSIBILITY OF A SNOW...RAIN AND
FREEZING RAIN MIX EXISTS. AN ARCTIC FRONT WILL MOVE ACROSS THE
CONTINENTAL DIVIDE SUNDAY AFTERNOON AND SPREAD INTO NORTHWEST
MONTANA DURING THE EVENING AND OVERNIGHT HOURS AND STALL. AT THIS
TIME THERE IS GREAT UNCERTAINTY WHERE THIS BOUNDARY WILL STALL.
PERIODS OF SNOW WILL REMAIN POSSIBLE THROUGH MID WEEK AS A SERIES
OF UPPER LEVEL DISTURBANCES MOVE OVER TOP OF THE STALLED ARCTIC
BOUNDARY PRODUCING NEW SNOWFALL ACCUMULATIONS. DURING THESE
PERIODS TRAVEL MAY BECOME DIFFICULT...ESPECIALLY ON SUNDAY EVENING
AS THE ARCTIC FRONT PASSES.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MTZ001-002-004-262200-
KOOTENAI/CABINET REGION-WEST GLACIER REGION-
LOWER CLARK FORK REGION-
718 PM MST FRI JAN 25 2008

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

FOR THE LATEST INFORMATION ON WATCHES...WARNINGS AND ADVISORIES...GO
TO WEATHER.GOV/MISSOULA.

.DAY ONE...TONIGHT AND SATURDAY

A WINTER STORM IS EXPECTED TO MOVE INTO NORTHWEST MONTANA
BEGINNING SATURDAY AFTERNOON. HEAVY SNOWFALL ACCUMULATIONS ALONG
WITH GUSTY WINDS...MAINLY NEAR MARIAS PASS...WILL MAKE TRAVEL
DIFFICULT DURING THIS PERIOD.

.DAYS TWO THROUGH SEVEN...SATURDAY NIGHT THROUGH THURSDAY

THE ACTIVE PATTERN WILL CONTINUE THROUGH MID WEEK. DURING THIS
PERIOD...THE AIR MASS WILL BRIEFLY WARM SATURDAY EVENING INTO
SUNDAY IN THE VALLEYS. THE POSSIBILITY OF A SNOW...RAIN AND
FREEZING RAIN MIX EXISTS. AN ARCTIC FRONT WILL MOVE ACROSS THE
CONTINENTAL DIVIDE SUNDAY AFTERNOON AND SPREAD INTO NORTHWEST
MONTANA DURING THE EVENING AND OVERNIGHT HOURS AND STALL. AT THIS
TIME THERE IS GREAT UNCERTAINTY WHERE THIS BOUNDARY WILL STALL.
PERIODS OF SNOW WILL REMAIN POSSIBLE THROUGH MID WEEK AS A SERIES
OF UPPER LEVEL DISTURBANCES MOVE OVER TOP OF THE STALLED ARCTIC
BOUNDARY PRODUCING NEW SNOWFALL ACCUMULATIONS. DURING THESE
PERIODS TRAVEL MAY BECOME DIFFICULT...ESPECIALLY ON SUNDAY EVENING
AS THE ARCTIC FRONT PASSES.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

IDZ006-MTZ006-262200-
SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS-
718 PM MST FRI JAN 25 2008 /618 PM PST FRI JAN 25 2008/

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

.DAY ONE...TONIGHT AND SATURDAY

A WINTER STORM IS EXPECTED TO MOVE INTO WESTERN MONTANA BEGINNING
SATURDAY AFTERNOON. HEAVY SNOWFALL ACCUMULATIONS WILL MAKE TRAVEL
OVER LOLO PASS DIFFICULT DURING THIS PERIOD.

.DAYS TWO THROUGH SEVEN...SATURDAY NIGHT THROUGH THURSDAY

THE ACTIVE PATTERN WILL CONTINUE THROUGH MID WEEK. DURING THIS
PERIOD...THE AIR MASS WILL BRIEFLY WARM IN THE VALLEYS SATURDAY
EVENING INTO SUNDAY. A COLD FRONT WILL MOVE ACROSS THE AREA ON
SUNDAY AND STALL. PERIODS OF SNOW WILL REMAIN POSSIBLE THROUGH MID
WEEK AS A SERIES OF UPPER LEVEL DISTURBANCES MOVE OVER TOP OF THE
STALLED BOUNDARY PRODUCING NEW SNOWFALL ACCUMULATIONS. DURING
THESE PERIODS TRAVEL MAY BECOME DIFFICULT.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

IDZ005-262200-
NORTHERN CLEARWATER MOUNTAINS-
618 PM PST FRI JAN 25 2008

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

FOR THE LATEST INFORMATION ON WATCHES...WARNINGS AND ADVISORIES...GO
TO WEATHER.GOV/MISSOULA.

.DAY ONE...TONIGHT AND SATURDAY

A WINTER STORM IS EXPECTED TO MOVE INTO THE NORTHERN CLEARWATER
MOUNTAINS BEGINNING SATURDAY AFTERNOON. HEAVY SNOWFALL
ACCUMULATIONS WILL MAKE BACKCOUNTRY TRAVEL DIFFICULT DURING THIS
PERIOD.

.DAYS TWO THROUGH SEVEN...SATURDAY NIGHT THROUGH THURSDAY

THE ACTIVE PATTERN WILL CONTINUE THROUGH MID WEEK. DURING THIS
PERIOD...THE AIR MASS WILL BRIEFLY WARM IN THE VALLEYS SATURDAY
EVENING INTO SUNDAY. A COLD FRONT WILL MOVE ACROSS THE AREA ON
SUNDAY AND STALL. PERIODS OF SNOW WILL REMAIN POSSIBLE THROUGH MID
WEEK AS A SERIES OF UPPER LEVEL DISTURBANCES MOVE OVER TOP OF THE
STALLED BOUNDARY PRODUCING NEW SNOWFALL ACCUMULATIONS. DURING
THESE PERIODS TRAVEL MAY BECOME DIFFICULT.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MTZ005-007-262200-
MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION-
718 PM MST FRI JAN 25 2008

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

.DAY ONE...TONIGHT AND SATURDAY

PATCHY FREEZING FOG WILL REMAIN POSSIBLE IN VALLEYS THROUGH
SATURDAY MORNING.

.DAYS TWO THROUGH SEVEN...SATURDAY NIGHT THROUGH THURSDAY

AN ACTIVE PATTERN WILL BE DEVELOPING THIS WEEKEND AND CONTINUING
THROUGH THE WEEK. PERIODS OF ACCUMULATING SNOWFALL CAN BE
EXPECTED MAKING TRAVEL DIFFICULT AT TIMES.

THE AIR MASS WILL BE WARMING IN THE VALLEYS SATURDAY NIGHT INTO
EARLY SUNDAY FOR THE POSSIBILITY OF A SNOW...RAIN AND FREEZING
RAIN MIX BEFORE CHANGING BACK TO SNOW DURING THE DAY SUNDAY. AN
ARCTIC FRONT IS EXPECTED TO MOVE ACROSS THE CONTINENTAL DIVIDE
SUNDAY AFTERNOON AND SPREAD THROUGH WEST CENTRAL AND SOUTHWEST
MONTANA MONDAY. MODERATE TO LOCALLY HEAVY SNOW...GUSTY WINDS AND
BLOWING SNOW MAY MAKE TRAVEL HAZARDOUS MONDAY INTO TUESDAY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

IDZ007-008-262200-
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
618 PM PST FRI JAN 25 2008

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

.DAY ONE...TONIGHT AND SATURDAY

PATCHY FREEZING FOG IS EXPECTED OVERNIGHT. WINDS WILL INCREASE
ACROSS THE CAMAS PRAIRIE AND ALONG THE US HIGHWAY 95 CORRIDOR
SOUTH TO RIGGINS LATE SATURDAY AFTERNOON. A WIND ADVISORY MAY BE
NEEDED.

.DAYS TWO THROUGH SEVEN...SATURDAY NIGHT THROUGH THURSDAY

A STRONG LOW PRESSURE SYSTEM WILL IMPACT THE AREA LATE SATURDAY
NIGHT INTO EARLY NEXT WEEK. PERIODS OF ACCUMULATING SNOWFALL CAN
BE EXPECTED MAKING TRAVEL DIFFICULT AT TIMES.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 25, 9:16 PM MSTHeavy Snow WarningMSOFlathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more59 hr
Jan 26, 5:45 AM MSTDense Fog AdvisoryMSOMissoula, Ravalli2 hr

Nearby

Snow Advisories in Montana, 2008Every snow advisory in 2008

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.