Alert archive / Montana / Winter Storm Warnings in 2012

Winter Storm Warning 7, NWS Missoula, MT

May 24, 2012Flathead County, Lake County, Montana

NWS Missoula, MT issued this winter storm warning at May 24, 2012, 1:26 PM MDT for Flathead County, Lake County, Montana. It took effect at May 26, 2012, 12:00 PM MDT. It was in force for 36 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 24, 2012, 1:26 PM MDT (19:26 UTC)
In effect from
May 26, 2012, 12:00 PM MDT
Expired
May 28, 2012, 12:00 AM MDT
In force
36 hr
Issued by
NWS Missoula, MT

Counties Flathead County, MT, Lake County, MT

The radar

The Missoula radar (KMSX), 104 km from the middle of the area, began a volume at 19:30 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, 7.4 hours before the alert went out and 177 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 2012-05-24Temperature 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 2012-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.1939Sfc1 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
1003 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
64 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.

966 
WWUS45 KMSO 241926
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
126 PM MDT THU MAY 24 2012

MTZ002-250330-
/O.NEW.KMSO.WS.W.0007.120526T1800Z-120528T0600Z/
WEST GLACIER REGION-
126 PM MDT THU MAY 24 2012

...WINTER STORM WARNING IN EFFECT FROM NOON SATURDAY TO MIDNIGHT
MDT SUNDAY NIGHT FOR GLACIER NATIONAL PARK WEST OF THE
CONTINENTAL DIVIDE...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
STORM WARNING FOR GLACIER NATIONAL PARK WEST OF THE CONTINENTAL
DIVIDE...WHICH IS IN EFFECT FROM NOON SATURDAY TO MIDNIGHT MDT
SUNDAY NIGHT. 

* IMPACTS/TIMING: RAIN AND SNOW WILL ENVELOP WEST GLACIER SATURDAY
  AFTERNOON AND CONTINUE THROUGH THE DAY ON SUNDAY. SNOW WILL BE
  WET IN NATURE WITH SLUSHY ACCUMULATIONS ON HIKING PATHS AND ROADWAYS.

* SNOW ACCUMULATIONS:4 TO 7 INCHES MAINLY ABOVE 4500 FEET. 12 TO
  16 INCHES IS EXPECTED ALONG THE DIVIDE.

* WINDS: GUSTY EAST WINDS SATURDAY AFTERNOON WILL REDUCE
  VISIBILITIES IN BLOWING SNOW. THE WINDS WILL BECOME NORTHERLY
  AND DECREASE SATURDAY EVENING.

* LOCATIONS IMPACTED INCLUDE...ESSEX...MARIAS PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL AND OUTDOOR ACTIVITIES DANGEROUS.
ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

&&

$$

MTZ007-043-250330-
/O.NEW.KMSO.WW.Y.0041.120526T1200Z-120527T1200Z/
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
126 PM MDT THU MAY 24 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM SATURDAY TO 6 AM
MDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 AM SATURDAY
TO 6 AM MDT SUNDAY.

* IMPACTS/TIMING: RAIN AND SNOW WILL DEVELOP OVER THE
  BUTTE...BLACKFOOT...AND SEELEY SWAN REGIONS SATURDAY MORNING AND
  CONTINUE THROUGH SATURDAY NIGHT. THE SNOW WILL BE WET IN NATURE
  WHICH MAY RESULT IN TREE AND POWERLINE DAMAGE. SLUSHY SNOW
  ACCUMULATIONS SHOULD BE EXPECTED OVER THE PASSES AND NEAR
  GEORGETOWN LAKE.

* SNOW ACCUMULATIONS: 1 TO 3 INCHES IN THE LOWER VALLEYS...MAINLY
  ON GRASSY SURFACES. GEORGETOWN LAKE AND PHILIPSBURG EXPECTED TO
  GET 4 TO 6 INCHES.

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY
  12 GARRISON TO ELLISTON...MACDONALD PASS...HIGHWAY 83 SEELEY
  LAKE TO CONDON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ009-010-MTZ006-250330-
/O.NEW.KMSO.WW.Y.0041.120526T1200Z-120527T0600Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
BITTERROOT/SAPPHIRE MOUNTAINS-
126 PM MDT THU MAY 24 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM SATURDAY TO
MIDNIGHT MDT SATURDAY NIGHT ABOVE 5500 FEET...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW ABOVE 5500 FEET...
WHICH IS IN EFFECT FROM 6 AM SATURDAY TO MIDNIGHT MDT SATURDAY
NIGHT. 

* IMPACTS/TIMING: RAIN AND SNOW WILL DEVELOP ABOVE 5500 FEET OVER LEMHI
  COUNTY AND THE BITTERROOT AND SAPPHIRE MOUNTAINS STARTING
  SATURDAY MORNING AND CONTINUING THROUGH THE DAY ON SATURDAY. THE
  SNOW WILL BE WET IN NATURE AND WILL CREATE HAZARDOUS DRIVING AND
  HIKING CONDITIONS ON PASSES AND TRAILS.

* SNOW ACCUMULATIONS: 3 TO 6 INCHES ARE EXPECTED TO ACCUMULATE IN
  REGIONS ABOVE 5500 FEET.


* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY 
  TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE...
  LEMHI PASS...SKALKAHO PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
10 follow-up statements
966 
WWUS45 KMSO 250315
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
915 PM MDT THU MAY 24 2012

MTZ002-251200-
/O.CON.KMSO.WS.W.0007.120526T1800Z-120528T0600Z/
WEST GLACIER REGION-
915 PM MDT THU MAY 24 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO
MIDNIGHT MDT SUNDAY NIGHT FOR GLACIER NATIONAL PARK WEST OF THE
CONTINENTAL DIVIDE...

A WINTER STORM WARNING FOR GLACIER NATIONAL PARK WEST OF THE
CONTINENTAL DIVIDE REMAINS IN EFFECT FROM NOON SATURDAY TO
MIDNIGHT MDT SUNDAY NIGHT. 

* IMPACTS/TIMING: RAIN AND SNOW WILL ENVELOP WEST GLACIER 
  SATURDAY AFTERNOON AND CONTINUE THROUGH THE DAY ON SUNDAY. 
  SNOW WILL BE WET IN NATURE WITH SLUSHY ACCUMULATIONS ON HIKING 
  PATHS AND ROADWAYS. 

* SNOW ACCUMULATIONS:4 TO 7 INCHES MAINLY ABOVE 4500 FEET. 12 TO 
  16 INCHES IS EXPECTED ALONG THE DIVIDE. 

* WINDS: GUSTY EAST WINDS SATURDAY AFTERNOON WILL REDUCE 
  VISIBILITIES IN BLOWING SNOW. THE WINDS WILL BECOME NORTHERLY 
  AND DECREASE SATURDAY EVENING. 

* LOCATIONS IMPACTED INCLUDE...ESSEX...MARIAS PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL AND OUTDOOR ACTIVITIES
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE
OF AN EMERGENCY.

&&

$$

MTZ007-043-251200-
/O.CON.KMSO.WW.Y.0041.120526T1200Z-120527T1200Z/
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
915 PM MDT THU MAY 24 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM SATURDAY
TO 6 AM MDT SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM SATURDAY TO
6 AM MDT SUNDAY. 

* IMPACTS/TIMING: RAIN AND SNOW WILL DEVELOP OVER THE BUTTE... 
  BLACKFOOT...AND SEELEY SWAN REGIONS SATURDAY MORNING AND 
  CONTINUE THROUGH SATURDAY NIGHT. THE SNOW WILL BE WET IN 
  NATURE WHICH MAY RESULT IN TREE AND POWER LINE DAMAGE. SLUSHY 
  SNOW ACCUMULATIONS SHOULD BE EXPECTED OVER THE PASSES AND NEAR 
  GEORGETOWN LAKE. 

* SNOW ACCUMULATIONS: 1 TO 3 INCHES IN THE LOWER VALLEYS...
  MAINLY ON GRASSY SURFACES. GEORGETOWN LAKE AND PHILIPSBURG 
  EXPECTED TO GET 4 TO 6 INCHES. 

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 
  12 GARRISON TO ELLISTON...MACDONALD PASS...HIGHWAY 200 BONNER 
  TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST 
  MISSOULA TO BEARMOUTH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ009-010-MTZ006-251200-
/O.CON.KMSO.WW.Y.0041.120526T1200Z-120527T0600Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
BITTERROOT/SAPPHIRE MOUNTAINS-
915 PM MDT THU MAY 24 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM SATURDAY
TO MIDNIGHT MDT SATURDAY NIGHT ABOVE 5500 FEET...

A WINTER WEATHER ADVISORY ABOVE 5500 FEET REMAINS IN EFFECT FROM
6 AM SATURDAY TO MIDNIGHT MDT SATURDAY NIGHT. 

* IMPACTS/TIMING: RAIN AND SNOW WILL DEVELOP ABOVE 5500 FEET 
  OVER LEMHI COUNTY AND THE BITTERROOT AND SAPPHIRE MOUNTAINS 
  STARTING SATURDAY MORNING AND CONTINUING THROUGH THE DAY ON 
  SATURDAY. THE SNOW WILL BE WET IN NATURE AND WILL CREATE 
  HAZARDOUS DRIVING AND HIKING CONDITIONS ON PASSES AND TRAILS. 

* SNOW ACCUMULATIONS: 3 TO 6 INCHES ARE EXPECTED TO ACCUMULATE 
  IN REGIONS ABOVE 5500 FEET. 

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY 
  TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE...
  LEMHI PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
640 
WWUS45 KMSO 251041
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
441 AM MDT FRI MAY 25 2012

MTZ002-252100-
/O.CON.KMSO.WS.W.0007.120526T1800Z-120528T0600Z/
WEST GLACIER REGION-
441 AM MDT FRI MAY 25 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO
MIDNIGHT MDT SUNDAY NIGHT FOR GLACIER NATIONAL PARK WEST OF THE
CONTINENTAL DIVIDE...

A WINTER STORM WARNING FOR GLACIER NATIONAL PARK WEST OF THE
CONTINENTAL DIVIDE REMAINS IN EFFECT FROM NOON SATURDAY TO
MIDNIGHT MDT SUNDAY NIGHT. 

* IMPACTS/TIMING: RAIN AND SNOW WILL ENVELOP WEST GLACIER 
  SATURDAY AFTERNOON AND CONTINUE THROUGH THE DAY ON SUNDAY. 
  SNOW WILL BE WET IN NATURE WITH SLUSHY ACCUMULATIONS ON HIKING 
  PATHS AND ROADWAYS. 

* SNOW ACCUMULATIONS:4 TO 7 INCHES MAINLY ABOVE 4500 FEET. 12 TO 
  16 INCHES IS EXPECTED ALONG THE DIVIDE. 

* WINDS: GUSTY EAST WINDS SATURDAY AFTERNOON WILL REDUCE 
  VISIBILITIES IN BLOWING SNOW. THE WINDS WILL BECOME NORTHERLY 
  AND DECREASE SATURDAY EVENING. 

* LOCATIONS IMPACTED INCLUDE...ESSEX...MARIAS PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL AND OUTDOOR ACTIVITIES
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE
OF AN EMERGENCY.

&&

$$

MTZ007-043-252100-
/O.CON.KMSO.WW.Y.0041.120526T1200Z-120527T1200Z/
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
441 AM MDT FRI MAY 25 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM SATURDAY
TO 6 AM MDT SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM SATURDAY TO
6 AM MDT SUNDAY. 

* IMPACTS/TIMING: RAIN AND SNOW WILL DEVELOP OVER THE BUTTE... 
  BLACKFOOT...AND SEELEY SWAN REGIONS SATURDAY MORNING AND 
  CONTINUE THROUGH SATURDAY NIGHT. THE SNOW WILL BE WET IN 
  NATURE WHICH MAY RESULT IN TREE AND POWER LINE DAMAGE. SLUSHY 
  SNOW ACCUMULATIONS SHOULD BE EXPECTED OVER THE PASSES AND NEAR 
  GEORGETOWN LAKE. 

* SNOW ACCUMULATIONS: 2 TO 4 INCHES MAINLY ON GRASSY SURFACES WITH
  SLUSHY ACCUMULATIONS ON ROADWAYS SUNDAY MORNING. GEORGETOWN LAKE
  AND PHILIPSBURG EXPECTED TO GET 5 TO 7 INCHES.

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 
  12 GARRISON TO ELLISTON...MACDONALD PASS...HIGHWAY 200 BONNER 
  TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST 
  MISSOULA TO BEARMOUTH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ009-010-MTZ006-252100-
/O.CON.KMSO.WW.Y.0041.120526T1200Z-120527T0600Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
BITTERROOT/SAPPHIRE MOUNTAINS-
441 AM MDT FRI MAY 25 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM SATURDAY
TO MIDNIGHT MDT SATURDAY NIGHT ABOVE 5500 FEET...

A WINTER WEATHER ADVISORY ABOVE 5500 FEET REMAINS IN EFFECT FROM
6 AM SATURDAY TO MIDNIGHT MDT SATURDAY NIGHT. 

* IMPACTS/TIMING: RAIN AND SNOW WILL DEVELOP ABOVE 5500 FEET 
  OVER LEMHI COUNTY AND THE BITTERROOT AND SAPPHIRE MOUNTAINS 
  STARTING SATURDAY MORNING AND CONTINUING THROUGH THE DAY ON 
  SATURDAY. THE SNOW WILL BE WET IN NATURE AND WILL CREATE 
  HAZARDOUS DRIVING AND HIKING CONDITIONS ON PASSES AND TRAILS. 

* SNOW ACCUMULATIONS: 3 TO 6 INCHES ARE EXPECTED TO ACCUMULATE 
  IN REGIONS ABOVE 5500 FEET. 

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY 
  TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE...
  LEMHI PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
362 
WWUS45 KMSO 252021
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
221 PM MDT FRI MAY 25 2012

MTZ002-261200-
/O.CON.KMSO.WS.W.0007.120526T1800Z-120528T0600Z/
WEST GLACIER REGION-
221 PM MDT FRI MAY 25 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO
MIDNIGHT MDT SUNDAY NIGHT FOR GLACIER NATIONAL PARK WEST OF THE
CONTINENTAL DIVIDE...

A WINTER STORM WARNING FOR GLACIER NATIONAL PARK WEST OF THE
CONTINENTAL DIVIDE REMAINS IN EFFECT FROM NOON SATURDAY TO
MIDNIGHT MDT SUNDAY NIGHT. 

* IMPACTS/TIMING: RAIN AND SNOW WILL ENVELOP WEST GLACIER 
  SATURDAY AFTERNOON AND CONTINUE THROUGH THE DAY ON SUNDAY. 
  SNOW WILL BE WET IN NATURE WITH SLUSHY ACCUMULATIONS ON HIKING 
  PATHS AND ROADWAYS. 

* SNOW ACCUMULATIONS:4 TO 7 INCHES MAINLY ABOVE 4500 FEET. 12 TO
  16 INCHES ARE EXPECTED ALONG THE DIVIDE.

* WINDS: GUSTY EAST WINDS SATURDAY AFTERNOON WILL REDUCE 
  VISIBILITIES IN BLOWING SNOW. THE WINDS WILL BECOME NORTHERLY 
  AND DECREASE SATURDAY EVENING. 

* LOCATIONS IMPACTED INCLUDE...ESSEX...MARIAS PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL AND OUTDOOR ACTIVITIES
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE
OF AN EMERGENCY.

&&

$$

MTZ007-043-261200-
/O.CON.KMSO.WW.Y.0041.120526T1200Z-120527T1200Z/
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
221 PM MDT FRI MAY 25 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM SATURDAY
TO 6 AM MDT SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM SATURDAY TO
6 AM MDT SUNDAY. 

* IMPACTS/TIMING: RAIN AND SNOW WILL DEVELOP OVER THE BUTTE...
  BLACKFOOT...AND THE SEELEY SWAN REGIONS SATURDAY MORNING AND
  CONTINUE THROUGH SATURDAY NIGHT. THE SNOW WILL BE WET IN NATURE
  WHICH MAY RESULT IN TREE AND POWER LINE DAMAGE. SLUSHY SNOW
  ACCUMULATIONS SHOULD BE EXPECTED OVER THE PASSES AND NEAR
  GEORGETOWN LAKE.

* SNOW ACCUMULATIONS: 2 TO 4 INCHES MAINLY ON GRASSY SURFACES WITH
  SLUSHY ACCUMULATIONS ON ROADWAYS SUNDAY MORNING. GEORGETOWN LAKE
  AND PHILIPSBURG ARE EXPECTED TO GET 5 TO 7 INCHES.

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 
  12 GARRISON TO ELLISTON...MACDONALD PASS...HIGHWAY 200 BONNER 
  TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST 
  MISSOULA TO BEARMOUTH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ009-010-MTZ006-261200-
/O.CON.KMSO.WW.Y.0041.120526T1200Z-120527T0600Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
BITTERROOT/SAPPHIRE MOUNTAINS-
221 PM MDT FRI MAY 25 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM SATURDAY
TO MIDNIGHT MDT SATURDAY NIGHT ABOVE 5500 FEET...

A WINTER WEATHER ADVISORY ABOVE 5500 FEET REMAINS IN EFFECT FROM
6 AM SATURDAY TO MIDNIGHT MDT SATURDAY NIGHT. 

* IMPACTS/TIMING: RAIN AND SNOW WILL DEVELOP ABOVE 5500 FEET 
  OVER LEMHI COUNTY AND THE BITTERROOT AND SAPPHIRE MOUNTAINS 
  STARTING SATURDAY MORNING AND CONTINUING THROUGH THE DAY ON 
  SATURDAY. THE SNOW WILL BE WET IN NATURE AND WILL CREATE 
  HAZARDOUS DRIVING AND HIKING CONDITIONS ON PASSES AND TRAILS. 

* SNOW ACCUMULATIONS: 3 TO 6 INCHES ARE EXPECTED TO ACCUMULATE 
  IN REGIONS ABOVE 5500 FEET. 

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY 
  TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE...
  LEMHI PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
358 
WWUS45 KMSO 261041
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
441 AM MDT SAT MAY 26 2012

MTZ002-262100-
/O.CON.KMSO.WS.W.0007.120526T1800Z-120528T0600Z/
WEST GLACIER REGION-
441 AM MDT SAT MAY 26 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO
MIDNIGHT MDT SUNDAY NIGHT FOR GLACIER NATIONAL PARK WEST OF THE
CONTINENTAL DIVIDE...

A WINTER STORM WARNING FOR GLACIER NATIONAL PARK WEST OF THE
CONTINENTAL DIVIDE REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT
MDT SUNDAY NIGHT. 

* IMPACTS/TIMING: RAIN AND SNOW WILL ENVELOP WEST GLACIER THIS
  AFTERNOON AND CONTINUE THROUGH THE DAY ON SUNDAY. SNOW WILL BE
  WET IN NATURE WITH SLUSHY ACCUMULATIONS ON HIKING PATHS AND
  ROADWAYS.

* SNOW ACCUMULATIONS:4 TO 7 INCHES MAINLY ABOVE 4500 FEET. 12 TO 
  16 INCHES ARE EXPECTED ALONG THE DIVIDE. 

* WINDS: GUSTY EAST WINDS SATURDAY AFTERNOON WILL REDUCE 
  VISIBILITIES IN BLOWING SNOW. THE WINDS WILL BECOME NORTHERLY 
  AND DECREASE SATURDAY EVENING. 

* LOCATIONS IMPACTED INCLUDE...ESSEX...MARIAS PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL AND OUTDOOR ACTIVITIES
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE
OF AN EMERGENCY.

&&

$$

MTZ007-043-262100-
/O.CON.KMSO.WW.Y.0041.120526T1200Z-120527T1200Z/
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
441 AM MDT SAT MAY 26 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
SUNDAY. 

* IMPACTS/TIMING: RAIN AND SNOW WILL DEVELOP OVER THE BUTTE...
  BLACKFOOT...AND THE SEELEY SWAN REGIONS THROUGH THIS MORNING AND
  CONTINUE THROUGH TONIGHT. THE SNOW WILL BE WET IN NATURE
  WHICH MAY RESULT IN TREE AND POWER LINE DAMAGE. SLUSHY SNOW
  ACCUMULATIONS SHOULD BE EXPECTED OVER THE PASSES AND NEAR
  GEORGETOWN LAKE.

* SNOW ACCUMULATIONS: 2 TO 4 INCHES MAINLY ON GRASSY SURFACES 
  WITH SLUSHY ACCUMULATIONS ON ROADWAYS SUNDAY MORNING. 
  GEORGETOWN LAKE AND PHILIPSBURG ARE EXPECTED TO GET 5 TO 7 
  INCHES. 

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 
  12 GARRISON TO ELLISTON...MACDONALD PASS...HIGHWAY 200 BONNER 
  TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST 
  MISSOULA TO BEARMOUTH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ009-010-MTZ006-262100-
/O.CON.KMSO.WW.Y.0041.120526T1200Z-120527T0600Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
BITTERROOT/SAPPHIRE MOUNTAINS-
441 AM MDT SAT MAY 26 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT ABOVE 5500 FEET...

A WINTER WEATHER ADVISORY ABOVE 5500 FEET REMAINS IN EFFECT UNTIL
MIDNIGHT MDT TONIGHT. 

* IMPACTS/TIMING: RAIN AND SNOW WILL DEVELOP ABOVE 5500 FEET OVER
  LEMHI COUNTY AND THE BITTERROOT AND SAPPHIRE MOUNTAINS STARTING
  THIS MORNING AND CONTINUING THROUGH TODAY. THE SNOW WILL BE WET
  IN NATURE AND WILL CREATE HAZARDOUS DRIVING AND HIKING
  CONDITIONS ON PASSES AND TRAILS.

* SNOW ACCUMULATIONS: 3 TO 6 INCHES ARE EXPECTED TO ACCUMULATE 
  IN REGIONS ABOVE 5500 FEET. 

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY 
  TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE...
  LEMHI PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
887 
WWUS45 KMSO 261958
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
158 PM MDT SAT MAY 26 2012

MTZ002-270600-
/O.CON.KMSO.WS.W.0007.000000T0000Z-120528T0600Z/
WEST GLACIER REGION-
158 PM MDT SAT MAY 26 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
SUNDAY NIGHT FOR GLACIER NATIONAL PARK WEST OF THE CONTINENTAL
DIVIDE...

A WINTER STORM WARNING FOR GLACIER NATIONAL PARK WEST OF THE
CONTINENTAL DIVIDE REMAINS IN EFFECT UNTIL MIDNIGHT MDT SUNDAY
NIGHT. 

* IMPACTS/TIMING: RAIN AND SNOW WILL CONTINUE TO ENVELOP WEST
  GLACIER TONIGHT THROUGH SUNDAY. SNOW WILL BE WET IN NATURE WITH
  SLUSHY ACCUMULATIONS ON HIKING PATHS AND ROADWAYS.

* SNOW ACCUMULATIONS: 4 TO 6 INCHES MAINLY ABOVE 4500 FEET. 12 TO
  16 INCHES ARE EXPECTED ALONG THE DIVIDE.

* WINDS: GUSTY EAST WINDS WILL REDUCE VISIBILITIES IN BLOWING
  SNOW. THE WINDS WILL BECOME NORTHERLY AND DECREASE IN INTENSITY
  TONIGHT.

* LOCATIONS IMPACTED INCLUDE...ESSEX...MARIAS PASS

&&

$$

MTZ007-043-270600-
/O.CON.KMSO.WW.Y.0041.000000T0000Z-120527T1200Z/
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
158 PM MDT SAT MAY 26 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT
SUNDAY. 

* IMPACTS/TIMING: RAIN AND SNOW WILL CONTINUE OVER THE BUTTE...
  BLACKFOOT...AND THE SEELEY SWAN REGIONS THROUGH SUNDAY MORNING. THE
  SNOW WILL BE WET IN NATURE WHICH MAY RESULT IN TREE AND POWER
  LINE DAMAGE. SLUSHY SNOW ACCUMULATIONS SHOULD BE EXPECTED OVER
  THE PASSES AND NEAR GEORGETOWN LAKE.

* SNOW ACCUMULATIONS: 2 TO 4 INCHES MAINLY ON GRASSY SURFACES 
  WITH SLUSHY ACCUMULATIONS ON ROADWAYS SUNDAY MORNING. 
  GEORGETOWN LAKE AND PHILIPSBURG ARE EXPECTED TO GET 5 TO 7 
  INCHES. 

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY
  12 GARRISON TO ELLISTON...MACDONALD PASS...HIGHWAY 200 BONNER TO
  GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST
  MISSOULA TO BEARMOUTH

&&

$$

IDZ009-010-MTZ006-270600-
/O.CON.KMSO.WW.Y.0041.000000T0000Z-120527T0600Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
BITTERROOT/SAPPHIRE MOUNTAINS-
158 PM MDT SAT MAY 26 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT ABOVE 5500 FEET...

A WINTER WEATHER ADVISORY ABOVE 5500 FEET REMAINS IN EFFECT UNTIL
MIDNIGHT MDT TONIGHT. 

* IMPACTS/TIMING: RAIN AND SNOW WILL CONTINUE ABOVE 5500 FEET OVER
  LEMHI COUNTY AND THE BITTERROOT AND SAPPHIRE MOUNTAINS. THE SNOW
  WILL BE WET IN NATURE AND WILL CREATE HAZARDOUS DRIVING AND
  HIKING CONDITIONS ON PASSES AND TRAILS.

* SNOW ACCUMULATIONS: 3 TO 6 INCHES ARE EXPECTED TO ACCUMULATE 
  IN REGIONS ABOVE 5500 FEET. 

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY TO
  LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE... LEMHI
  PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS

&&

$$
242 
WWUS45 KMSO 270343
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
943 PM MDT SAT MAY 26 2012

MTZ002-271200-
/O.CON.KMSO.WS.W.0007.000000T0000Z-120528T0600Z/
WEST GLACIER REGION-
943 PM MDT SAT MAY 26 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
SUNDAY NIGHT FOR GLACIER NATIONAL PARK WEST OF THE CONTINENTAL
DIVIDE...

A WINTER STORM WARNING FOR GLACIER NATIONAL PARK WEST OF THE
CONTINENTAL DIVIDE REMAINS IN EFFECT UNTIL MIDNIGHT MDT SUNDAY
NIGHT. 

* IMPACTS/TIMING: RAIN AND SNOW WILL CONTINUE TO ENVELOP WEST 
  GLACIER TONIGHT THROUGH SUNDAY. SNOW WILL BE WET IN NATURE 
  WITH SLUSHY ACCUMULATIONS ON HIKING PATHS AND ROADWAYS. 

* SNOW ACCUMULATIONS: 4 TO 6 INCHES MAINLY ABOVE 4500 FEET. 12 
  TO 16 INCHES ARE EXPECTED ALONG THE DIVIDE. 

* WINDS: GUSTY EAST WINDS WILL REDUCE VISIBILITIES IN BLOWING 
  SNOW. THE WINDS WILL BECOME NORTHERLY AND DECREASE IN 
  INTENSITY TONIGHT. 

* LOCATIONS IMPACTED INCLUDE...ESSEX...MARIAS PASS

$$

MTZ007-043-271200-
/O.EXT.KMSO.WW.Y.0041.000000T0000Z-120527T1800Z/
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
943 PM MDT SAT MAY 26 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL NOON MDT SUNDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL NOON MDT
SUNDAY. 

* IMPACTS/TIMING: RAIN AND SNOW WILL CONTINUE OVER THE BUTTE...
  BLACKFOOT...AND THE SEELEY SWAN REGIONS THROUGH NOON SUNDAY. THE
  SNOW WILL BE WET IN NATURE WHICH MAY RESULT IN TREE AND POWER
  LINE DAMAGE. SLUSHY SNOW ACCUMULATIONS SHOULD BE EXPECTED OVER
  THE PASSES AND NEAR GEORGETOWN LAKE.

* SNOW ACCUMULATIONS: 2 TO 4 INCHES MAINLY ON GRASSY SURFACES 
  WITH SLUSHY ACCUMULATIONS ON ROADWAYS SUNDAY MORNING. 
  GEORGETOWN LAKE AND PHILIPSBURG ARE EXPECTED TO GET 5 TO 7 
  INCHES. 

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 
  12 GARRISON TO ELLISTON...MACDONALD PASS...HIGHWAY 200 BONNER 
  TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST 
  MISSOULA TO BEARMOUTH

$$

IDZ009-010-MTZ006-271200-
/O.EXT.KMSO.WW.Y.0041.000000T0000Z-120527T1200Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
BITTERROOT/SAPPHIRE MOUNTAINS-
943 PM MDT SAT MAY 26 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM MDT SUNDAY
ABOVE 5500 FEET...

THE WINTER WEATHER ADVISORY ABOVE 5500 FEET IS NOW IN EFFECT
UNTIL 6 AM MDT SUNDAY. 

* IMPACTS/TIMING: RAIN AND SNOW WILL CONTINUE ABOVE 5500 FEET 
  OVER LEMHI COUNTY AND THE BITTERROOT AND SAPPHIRE MOUNTAINS. 
  THE SNOW WILL BE WET IN NATURE AND WILL CREATE HAZARDOUS 
  DRIVING AND HIKING CONDITIONS ON PASSES AND TRAILS. 

* SNOW ACCUMULATIONS: 3 TO 6 INCHES ARE EXPECTED TO ACCUMULATE 
  IN REGIONS ABOVE 5500 FEET. 

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY 
  TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE...
  LEMHI PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS

$$
715 
WWUS45 KMSO 271010
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
410 AM MDT SUN MAY 27 2012

MTZ002-271815-
/O.CON.KMSO.WS.W.0007.000000T0000Z-120528T0600Z/
WEST GLACIER REGION-
410 AM MDT SUN MAY 27 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT FOR GLACIER NATIONAL PARK WEST OF THE CONTINENTAL
DIVIDE...

A WINTER STORM WARNING FOR GLACIER NATIONAL PARK WEST OF THE
CONTINENTAL DIVIDE REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. 

* IMPACTS/TIMING: RAIN AND SNOW WILL CONTINUE TO ENVELOP WEST
  GLACIER INTO TONIGHT. SNOW WILL BE WET IN NATURE WITH SLUSHY
  ACCUMULATIONS ON HIKING PATHS AND ROADWAYS.

* SNOW ACCUMULATIONS: 4 TO 6 INCHES MAINLY ABOVE 4500 FEET. 12 
  TO 16 INCHES ARE EXPECTED ALONG THE DIVIDE. 

* WINDS: GUSTY EAST WINDS WILL REDUCE VISIBILITIES IN BLOWING 
  SNOW. THE WINDS WILL BECOME NORTHERLY AND DECREASE IN 
  INTENSITY TONIGHT. 

* LOCATIONS IMPACTED INCLUDE...ESSEX...MARIAS PASS

$$

IDZ009-010-MTZ006-271800-
/O.EXT.KMSO.WW.Y.0041.000000T0000Z-120527T1800Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
BITTERROOT/SAPPHIRE MOUNTAINS-
410 AM MDT SUN MAY 27 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL NOON MDT TODAY
ABOVE 5500 FEET...

THE WINTER WEATHER ADVISORY ABOVE 5500 FEET IS NOW IN EFFECT
UNTIL NOON MDT TODAY. 

* IMPACTS/TIMING: SNOW WILL CONTINUE ABOVE 5500 FEET OVER LEMHI
  COUNTY AND THE BITTERROOT AND SAPPHIRE MOUNTAINS. THE SNOW WILL
  BE WET IN NATURE AND WILL CREATE HAZARDOUS DRIVING AND HIKING
  CONDITIONS ON PASSES AND TRAILS.

* SNOW ACCUMULATIONS: 3 TO 6 INCHES ARE EXPECTED TO ACCUMULATE 
  IN REGIONS ABOVE 5500 FEET. 

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY 
  TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE...
  LEMHI PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS

$$

MTZ007-043-271800-
/O.CON.KMSO.WW.Y.0041.000000T0000Z-120527T1800Z/
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
410 AM MDT SUN MAY 27 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
TODAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY.

* IMPACTS/TIMING: RAIN AND SNOW WILL CONTINUE OVER THE BUTTE...
  BLACKFOOT...AND THE SEELEY SWAN REGIONS THROUGH NOON TODAY. THE
  SNOW WILL BE WET IN NATURE WHICH MAY RESULT IN TREE AND POWER
  LINE DAMAGE. SLUSHY SNOW ACCUMULATIONS SHOULD BE EXPECTED OVER
  THE PASSES AND NEAR GEORGETOWN LAKE.

* SNOW ACCUMULATIONS: 2 TO 4 INCHES MAINLY ON GRASSY SURFACES 
  WITH SLUSHY ACCUMULATIONS ON ROADWAYS THROUGH THIS MORNING. 
  GEORGETOWN LAKE AND PHILIPSBURG ARE EXPECTED TO GET 5 TO 7 
  INCHES. 

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 
  12 GARRISON TO ELLISTON...MACDONALD PASS...HIGHWAY 200 BONNER 
  TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST 
  MISSOULA TO BEARMOUTH

$$
317 
WWUS45 KMSO 271657
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1057 AM MDT SUN MAY 27 2012

MTZ002-280300-
/O.CON.KMSO.WS.W.0007.000000T0000Z-120528T0600Z/
WEST GLACIER REGION-
1057 AM MDT SUN MAY 27 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT FOR GLACIER NATIONAL PARK WEST OF THE CONTINENTAL
DIVIDE...

A WINTER STORM WARNING FOR GLACIER NATIONAL PARK WEST OF THE
CONTINENTAL DIVIDE REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. 

* IMPACTS/TIMING: RAIN AND SNOW WILL CONTINUE TO ENVELOP WEST
  GLACIER THROUGH TONIGHT. SNOW WILL BE WET IN NATURE WITH SLUSHY
  ACCUMULATIONS ON HIKING PATHS AND ROADWAYS.

* SNOW ACCUMULATIONS: 4 TO 6 INCHES MAINLY ABOVE 4500 FEET. UP TO
  12 INCHES ARE EXPECTED ALONG THE DIVIDE.


* LOCATIONS IMPACTED INCLUDE...ESSEX...MARIAS PASS

$$

MTZ007-043-280300-
/O.EXT.KMSO.WW.Y.0041.000000T0000Z-120528T0300Z/
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
1057 AM MDT SUN MAY 27 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 9 PM MDT THIS
EVENING. 

* IMPACTS/TIMING: RAIN AND SNOW WILL CONTINUE OVER THE BUTTE...
  BLACKFOOT...AND THE SEELEY SWAN REGIONS THROUGH THIS EVENING.
  ALTHOUGH THE INTENSITY WILL CONTINUE TO LESSEN...SLUSHY
  ACCUMULATIONS WILL MAKE ROADS LOCALLY SLICK...ESPECIALLY OVER
  MOUNTAIN PASSES AND IN THE GEORGETOWN LAKE AREA.

* SNOW ACCUMULATIONS: 2 TO 4 INCHES MAINLY ON GRASSY SURFACES WITH
  SLUSHY ACCUMULATIONS ON ROADWAYS. GEORGETOWN LAKE AND
  PHILIPSBURG ARE EXPECTED TO GET 5 TO 7 INCHES STORM TOTAL BY
  THIS EVENING.

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 
  12 GARRISON TO ELLISTON...MACDONALD PASS...HIGHWAY 200 BONNER 
  TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST 
  MISSOULA TO BEARMOUTH

$$

IDZ009-010-MTZ006-280300-
/O.EXT.KMSO.WW.Y.0041.000000T0000Z-120528T0300Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
BITTERROOT/SAPPHIRE MOUNTAINS-
1057 AM MDT SUN MAY 27 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 PM MDT THIS
EVENING ABOVE 5500 FEET...

THE WINTER WEATHER ADVISORY ABOVE 5500 FEET IS NOW IN EFFECT
UNTIL 9 PM MDT THIS EVENING. 

* IMPACTS/TIMING: SNOW WILL CONTINUE ABOVE 5500 FEET OVER LEMHI
  COUNTY AND THE BITTERROOT AND SAPPHIRE MOUNTAINS. ALTHOUGH THE
  INTENSITY OF SNOW WILL GRADUALLY DECREASE THIS AFTERNOON...SLUSHY
  ACCUMULATIONS WILL MAKE ROADS LOCALLY SLICK...ESPECIALLY OVER
  LOST TRAIL PASS.

* SNOW ACCUMULATIONS: 3 TO 6 INCHES ARE EXPECTED TO ACCUMULATE 
  IN REGIONS ABOVE 5500 FEET STORM TOTAL. 

* LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 93 LOST
  TRAIL PASS TO GIBBONSVILLE...LEMHI PASS...HIGHWAY 93 SULA TO
  LOST TRAIL PASS

$$
615 
WWUS45 KMSO 280255
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
855 PM MDT SUN MAY 27 2012

IDZ009-010-MTZ006-007-043-280400-
/O.CAN.KMSO.WW.Y.0041.000000T0000Z-120528T0300Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
BITTERROOT/SAPPHIRE MOUNTAINS-BUTTE/BLACKFOOT REGION-
POTOMAC/SEELEY LAKE REGION-
855 PM MDT SUN MAY 27 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

LIGHT SNOW WILL CONTINUE THIS EVENING...HOWEVER NO ADDITIONAL
ACCUMULATIONS ARE EXPECTED.

$$

MTZ002-280600-
/O.CON.KMSO.WS.W.0007.000000T0000Z-120528T0600Z/
WEST GLACIER REGION-
855 PM MDT SUN MAY 27 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT FOR GLACIER NATIONAL PARK WEST OF THE CONTINENTAL
DIVIDE...

A WINTER STORM WARNING FOR GLACIER NATIONAL PARK WEST OF THE
CONTINENTAL DIVIDE REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. 

* IMPACTS/TIMING: RAIN AND SNOW WILL CONTINUE TO ENVELOP WEST 
  GLACIER THROUGH TONIGHT. SNOW WILL BE WET IN NATURE WITH 
  SLUSHY ACCUMULATIONS ON HIKING PATHS AND ROADWAYS. 

* SNOW ACCUMULATIONS: TOTAL STORM ACCUMULATIONS OF 4 TO 6 INCHES
  MAINLY ABOVE 4500 FEET. UP TO 12 INCHES ARE EXPECTED OVER THE
  HIGH MOUNTAINS ALONG THE DIVIDE.

* LOCATIONS IMPACTED INCLUDE...ESSEX...MARIAS PASS

$$
024 
WWUS45 KMSO 280547
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1147 PM MDT SUN MAY 27 2012

MTZ002-280700-
/O.EXP.KMSO.WS.W.0007.000000T0000Z-120528T0600Z/
WEST GLACIER REGION-
1147 PM MDT SUN MAY 27 2012

...WINTER STORM WARNING WILL EXPIRE AT MIDNIGHT MDT TONIGHT FOR
GLACIER NATIONAL PARK WEST OF THE CONTINENTAL DIVIDE...

THE WINTER STORM WARNING FOR GLACIER NATIONAL PARK WEST OF THE
CONTINENTAL DIVIDE WILL EXPIRE AT MIDNIGHT MDT TONIGHT. 

* LOCATIONS IMPACTED INCLUDE...ESSEX...MARIAS PASS

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 10:48 AM MDTWind AdvisoryMSODeer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more30 hr
May 24, 1:26 PM MDTWinter Weather AdvisoryMSODeer Lodge, Granite, Lake, Missoula, Powell, Ravalli and 1 more3 days

Nearby

Winter Storm Warnings in Montana, 2012Every winter storm warning in 2012

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.