Alert archive / Montana / Wind Chill Warnings in 2011

Wind Chill Warning 2, NWS Missoula, MT

February 24, 20119 counties in Montana

NWS Missoula, MT issued this wind chill warning at Feb 24, 2011, 7:34 AM MST for 9 counties in Montana. It was in force for 25 hr. 16 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 24, 2011, 7:34 AM MST (14:34 UTC)
Expired
Feb 25, 2011, 9:00 AM MST
In force
25 hr
Issued by
NWS Missoula, MT

Counties Deer Lodge County, MT, Flathead County, MT, Granite County, MT, Lake County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Sanders County, MT, Silver Bow County, MT

The radar

The Missoula radar (KMSX), 27 km from the middle of the area, began a volume at 14:32 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.

What was reported inside it

TimeReportWhereRemark
Feb 24, 11:00 AM MSTNON-TSTM WND DMGMissoula, MT18-22 INCH SPRUCE TREE WAS UPROOTED AND BLOWN ONTO AN APARTMENT COMPLEX.
Feb 24, 1:00 PM MSTHEAVY SNOW 8Columbia Falls, MT
Feb 24, 2:45 PM MSTEXTR WIND CHILL -22Georgetown, MT
Feb 24, 4:30 PM MSTEXTR WIND CHILL -30Essex, MT
Feb 24, 4:53 PM MSTEXTR WIND CHILL -22Butte, MTBERT MOONEY AIRPORT
Feb 24, 4:55 PM MSTEXTR WIND CHILL -258 N Avon, MTMDOT SENSOR
Feb 24, 5:47 PM MSTEXTR WIND CHILL -20Polebridge, MT
Feb 24, 6:15 PM MSTEXTR WIND CHILL -33Helmville, MT
Feb 24, 6:19 PM MSTEXTR WIND CHILL -29Garrison, MT
Feb 24, 6:59 PM MSTEXTR WIND CHILL -20Clearwater, MT
Feb 24, 7:00 PM MSTEXTR WIND CHILL -24Deer Lodge, MT
Feb 24, 7:55 PM MSTEXTR WIND CHILL -208 Ne Kalispell, MTGLACIER INTERNATIONAL AIRPORT
Feb 24, 7:55 PM MSTEXTR WIND CHILL -208 Ne Kalispell, MT
Feb 24, 10:50 PM MSTEXTR WIND CHILL -20Missoula, MTOBSERVATION FROM CWOP STATION DOWNTOWN MISSOULA...READINGS OF 20 BELOW ZERO STARTED RIGHT BEFORE ELEVEN PM MST. PEAK WIND CHILL REPORTED WAS -24.
Feb 25, 2:36 AM MSTEXTR WIND CHILL -227 E Kalispell, MTMDOT WEATHER OBSERVATION FROM HWY 35 EAST OF KALISPELL.
Feb 25, 5:53 AM MSTEXTR WIND CHILL -20Missoula, MTMISSOULA ASOS REPORTED WIND CHILL OF -20 RIGHT BEFORE SIX AM MST.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 2.6 hours before the alert went out and 222 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 2011-02-24Temperature 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 2011-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 308 square meters per square second.193958Sfc1 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
0 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
308 m²/s²
0-3 km storm-relative helicity
390 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.

453 
WWUS45 KMSO 241434
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
734 AM MST THU FEB 24 2011

MTZ002-242245-
/O.CAN.KMSO.WW.Y.0022.000000T0000Z-110224T1800Z/
/O.NEW.KMSO.WC.W.0002.110224T1434Z-110225T0600Z/
WEST GLACIER REGION-
734 AM MST THU FEB 24 2011

...WIND CHILL WARNING IN EFFECT UNTIL 11 PM MST THIS EVENING...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL 11 PM MST THIS EVENING. THE
WINTER WEATHER ADVISORY HAS BEEN CANCELLED. 

* IMPACTS/TIMING: EXTREMELY DANGEROUS WIND CHILL VALUES EXPECTED
  THROUGH TONIGHT. LIGHT SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT
  WILL DIMINISH BY THIS EVENING.

* WIND CHILL: 20 TO 30 BELOW ZERO.

* WIND: NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

MTZ003-241800-
/O.CON.KMSO.WS.W.0008.000000T0000Z-110224T1800Z/
FLATHEAD/MISSION VALLEYS-
734 AM MST THU FEB 24 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING. 

* IMPACTS/TIMING: EXTREMELY DANGEROUS WIND CHILLS WILL RESULT FROM
  DRAMATICALLY FALLING TEMPERATURES COMBINED WITH CONTINUED GUSTY
  NORTHEAST WINDS. IN ADDITION THE COMBINATION OF SNOW AND WIND
  WILL PRODUCE BLOWING/DRIFTING OF SNOW WITH REDUCTIONS TO
  VISIBILITY.

* WIND CHILL: 10 TO 25 BELOW ZERO. 

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF 1 TO 2 INCHES.

* VISIBILITY: LESS THAN ONE MILE AT TIMES.

* WIND: IN THE FLATHEAD VALLEY...NORTHEAST WINDS 25 TO 30 MPH WITH
  GUSTS TO 45 MPH. IN THE MISSION VALLEY...NORTHEAST WINDS 15 TO
  20 MPH WITH GUSTS TO 30 MPH. STRONG WINDS WILL CONTINUE THROUGH
  THIS EVENING...THEN GRADUALLY DIMINISH.

* LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY...
   MISSION VALLEY...POLSON

&&

$$

MTZ004-241800-
/O.CON.KMSO.WS.W.0008.000000T0000Z-110224T1800Z/
LOWER CLARK FORK REGION-
734 AM MST THU FEB 24 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING. 

* IMPACTS/TIMING: MODERATE TO HEAVY SNOW WILL CONTINUE. REDUCTIONS
  TO VISIBILITIES FROM BLOWING SNOW AND SLICK/SNOW- COVERED
  ROADWAYS WILL CREATE HAZARDOUS DRIVING CONDITIONS.

* SNOW ACCUMULATIONS: ADDITIONAL VALLEY ACCUMULATIONS OF 1 TO 4
  INCHES. AN ADDITIONAL 4 TO 6 INCHES OVER LOOKOUT PASS AND HIGH
  TERRAIN.

* LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON
  FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90
  LOOKOUT PASS TO HAUGAN.

&&

$$

MTZ043-241800-
/O.CON.KMSO.WS.W.0008.000000T0000Z-110224T1800Z/
POTOMAC/SEELEY LAKE REGION-
734 AM MST THU FEB 24 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING. 

* IMPACTS/TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE. GUSTY EAST
  WINDS ALONG HIGHWAY 200 AND THE INTERSTATE 90 CORRIDOR FROM
  BEARMOUTH TO HELLGATE CANYON WILL COMBINE WITH SNOW...PRODUCING
  BLOWING/DRIFTING OF SNOW AND LOCAL BLIZZARD CONDITIONS WITH
  RAPID REDUCTIONS TO VISIBILITY. DRAMATICALLY FALLING
  TEMPERATURES COMBINED WITH CONTINUED GUSTY EAST WINDS WILL ALSO
  PRODUCE EXTREMELY DANGEROUS WIND CHILLS.

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF 2 TO 4 INCHES.
 

* WIND: EAST WINDS 15 TO 25 MPH GUSTING TO 35 MPH ALONG HIGHWAY
  200 AND THE INTERSTATE 90 CORRIDOR FROM BEARMOUTH TO HELLGATE
  CANYON.

* WIND CHILL: 10 TO 30 BELOW ZERO TODAY.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 200 BONNER TO GREENOUGH...
  HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO
  BEARMOUTH.

&&

$$

IDZ005>008-242245-
/O.CON.KMSO.WS.W.0009.000000T0000Z-110225T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
634 AM PST THU FEB 24 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON. 

* IMPACTS/TIMING: PERIODS OF MODERATE TO HEAVY SNOW THROUGH
  THIS AFTERNOON. REDUCTIONS TO VISIBILITIES AND SLICK/SNOW
  COVERED ROADWAYS WILL CREATE HAZARDOUS DRIVING CONDITIONS.

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF 3 TO 6 INCHES 
  IN VALLEYS. AN ADDITIONAL 6 TO 8 INCHES OVER LOLO PASS... 
  WHITEBIRD GRADE AND HIGHER ELEVATIONS. 

* LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO
  HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO
  LOLO PASS...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY... GREER
  GRADE...HIGHWAY 12 OROFINO TO KOOSKIA...HIGHWAY 95 SLATE CREEK
  TO RIGGINS...WHITE BIRD GRADE.

&&

$$

MTZ005-242100-
/O.CON.KMSO.WS.W.0008.000000T0000Z-110224T2100Z/
MISSOULA/BITTERROOT VALLEYS-
734 AM MST THU FEB 24 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS
AFTERNOON. 

* IMPACTS/TIMING: THE COMBINATION OF SNOW AND WIND WILL PRODUCE
  WIDESPREAD BLOWING/DRIFTING OF SNOW AND LOCAL BLIZZARD
  CONDITIONS WITH RAPID REDUCTIONS TO VISIBILITY. THIS WILL CREATE
  EXTREMELY TREACHEROUS DRIVING CONDITIONS THROUGH THIS AFTERNOON.
  DRAMATICALLY FALLING TEMPERATURES COMBINED WITH CONTINUED GUSTY
  EAST WINDS WILL ALSO PRODUCE DANGEROUS WIND CHILLS.

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF 1 TO 3 INCHES.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

* WIND: MISSOULA VALLEY...EAST WINDS INCREASING TO 20 TO 25 MPH
  WITH GUSTS TO 40 MPH. BITTERROOT VALLEY...NORTH WINDS TO 15 TO
  25 MPH WITH GUSTS TO 40 MPH.

* WIND CHILL: 10 TO 20 BELOW ZERO LATE TODAY.

* LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA

$$

MTZ007-242245-
/O.CON.KMSO.WS.W.0008.000000T0000Z-110225T0000Z/
BUTTE/BLACKFOOT REGION-
734 AM MST THU FEB 24 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 

* IMPACTS/TIMING: THE COMBINATION OF SNOW AND WIND WILL PRODUCE
  WIDESPREAD BLOWING/DRIFTING OF SNOW AND LOCAL BLIZZARD
  CONDITIONS WITH RAPID REDUCTIONS TO VISIBILITY. THIS WILL CREATE
  EXTREMELY TREACHEROUS DRIVING CONDITIONS. DRAMATICALLY FALLING
  TEMPERATURES COMBINED WITH CONTINUED GUSTY EAST WINDS WILL ALSO
  PRODUCE EXTREMELY DANGEROUS WIND CHILLS.

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF 2 TO 4 INCHES. 
  AN ADDITIONAL 6 TO 8 INCHES IN GEORGETOWN LAKE AND OVER HIGH 
  TERRAIN. 

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

* WIND: EAST TO NORTHEAST WINDS 20 TO 25 MPH WITH GUSTS TO 40 MPH.

* WIND CHILL: 15 TO 30 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY
  12 GARRISON TO ELLISTON...HOMESTAKE PASS...MACDONALD PASS

&&

$$

MTZ001-241800-
/O.CON.KMSO.WW.Y.0022.000000T0000Z-110224T1800Z/
KOOTENAI/CABINET REGION-
734 AM MST THU FEB 24 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING. 

* IMPACTS/TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE. REDUCTIONS
  TO VISIBILITIES FROM BLOWING SNOW AND SLICK/SNOW- COVERED
  ROADWAYS WILL CREATE HAZARDOUS DRIVING CONDITIONS.

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF 2 TO 4 INCHES.

* WIND: EAST/NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS TO 30 MPH.

* WIND CHILL: 10 TO 20 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY...
  HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD...
  HIGHWAY 93 EUREKA TO WHITEFISH.

&&

$$

IDZ009-010-MTZ006-242245-
/O.CON.KMSO.WW.Y.0022.000000T0000Z-110225T0000Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
BITTERROOT/SAPPHIRE MOUNTAINS-
734 AM MST THU FEB 24 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

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

* IMPACTS/TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE. REDUCTIONS
  TO VISIBILITIES AND SLICK/SNOW-COVERED ROADWAYS WILL CREATE
  HAZARDOUS DRIVING CONDITIONS.

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF 1 TO 3 INCHES 
  LOWER ELEVATIONS. AN ADDITIONAL 4 TO 6 INCHES OVER LOST TRAIL 
  PASS AND HIGH TERRAIN. 

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

&&

$$
7 follow-up statements
559 
WWUS45 KMSO 241750
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1050 AM MST THU FEB 24 2011

MTZ003-250200-
/O.EXP.KMSO.WS.W.0008.000000T0000Z-110224T1800Z/
/O.EXB.KMSO.WC.W.0002.110224T1800Z-110225T0600Z/
FLATHEAD/MISSION VALLEYS-
1050 AM MST THU FEB 24 2011

...WIND CHILL WARNING IN EFFECT UNTIL 11 PM MST THIS EVENING...
...WINTER STORM WARNING WILL EXPIRE AT 11 AM MST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL 11 PM MST THIS EVENING. THE
WINTER STORM WARNING WILL EXPIRE AT 11 AM MST THIS MORNING. 

* IMPACTS/TIMING: EXTREMELY DANGEROUS WIND CHILL VALUES EXPECTED
  THROUGH THIS EVENING. LIGHT SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT
  WILL DIMINISH AS THE DAY CONTINUES.

* WIND CHILL: 20 TO 30 BELOW ZERO.

* WIND: NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* LOCATIONS IMPACTED INCLUDE...FLATHEAD VALLEY...MISSION
  VALLEY...POLSON...FLATHEAD LAKE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

MTZ043-250200-
/O.EXP.KMSO.WS.W.0008.000000T0000Z-110224T1800Z/
/O.EXB.KMSO.WC.W.0002.110224T1800Z-110225T1200Z/
POTOMAC/SEELEY LAKE REGION-
1050 AM MST THU FEB 24 2011

...WIND CHILL WARNING IN EFFECT UNTIL 5 AM MST FRIDAY...
...WINTER STORM WARNING WILL EXPIRE AT 11 AM MST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL 5 AM MST FRIDAY. THE WINTER
STORM WARNING WILL EXPIRE AT 11 AM MST THIS MORNING. 

* IMPACTS/TIMING: EXTREMELY DANGEROUS WIND CHILL VALUES EXPECTED
  THROUGH TONIGHT. LIGHT SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT
  WILL DIMINISH AS THE DAY CONTINUES.

* WIND CHILL: 20 TO 30 BELOW ZERO.

* WIND: NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 200 BONNER TO
  GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST
  MISSOULA TO BEARMOUTH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

MTZ004-250200-
/O.EXP.KMSO.WS.W.0008.000000T0000Z-110224T1800Z/
/O.NEW.KMSO.WC.Y.0004.110224T1800Z-110225T0600Z/
LOWER CLARK FORK REGION-
1050 AM MST THU FEB 24 2011

...WIND CHILL ADVISORY IN EFFECT UNTIL 11 PM MST THIS EVENING...
...WINTER STORM WARNING WILL EXPIRE AT 11 AM MST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL 11 PM MST THIS EVENING. THE
WINTER STORM WARNING WILL EXPIRE AT 11 AM MST THIS MORNING. 

* IMPACTS/TIMING: DANGEROUS WIND CHILLS VALUES EXPECTED THROUGH
  THIS EVENING. LIGHT SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT
  WILL DIMINISH AS THE DAY CONTINUES.

* WIND: EAST/NORTHEAST 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* WIND CHILL: 10 TO 20 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON
  FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90
  LOOKOUT PASS TO HAUGAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$

MTZ001-250200-
/O.EXP.KMSO.WW.Y.0022.000000T0000Z-110224T1800Z/
/O.NEW.KMSO.WC.Y.0004.110224T1800Z-110225T0600Z/
KOOTENAI/CABINET REGION-
1050 AM MST THU FEB 24 2011

...WIND CHILL ADVISORY IN EFFECT UNTIL 11 PM MST THIS EVENING...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS
MORNING...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL 11 PM MST THIS EVENING. THE
WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING. 

* IMPACTS/TIMING: DANGEROUS WIND CHILL VALUES EXPECTED THROUGH
  THIS EVENING. LIGHT SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT
  WILL DIMINISH AS THE DAY CONTINUES.

* WIND: EAST/NORTHEAST 15 TO 20 MPH WITH GUSTS TO 30 MPH.

* WIND CHILL: 10 TO 20 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... 
  HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD...
  HIGHWAY 93 EUREKA TO WHITEFISH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$

IDZ005>008-250000-
/O.CON.KMSO.WS.W.0009.000000T0000Z-110225T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
950 AM PST THU FEB 24 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON. 

* IMPACTS/TIMING: SNOW WILL REDEVELOP LATER THIS AFTERNOON INTO
  THIS EVENING. PERIODS OF MODERATE TO HEAVY SNOW WILL OCCUR
  DURING THIS TIME AND CAUSE REDUCTIONS TO VISIBILITIES AND
  SLICK/SNOW COVERED ROADWAYS.

* SNOW ACCUMULATIONS: ACCUMULATIONS OF 3 TO 6 INCHES IN VALLEYS. 6
  TO 8 INCHES OVER LOLO PASS...WHITEBIRD GRADE AND HIGHER
  ELEVATIONS.

* LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO 
  HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL 
  TO LOLO PASS...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...
  GREER GRADE...HIGHWAY 12 OROFINO TO KOOSKIA...HIGHWAY 95 SLATE 
  CREEK TO RIGGINS...WHITE BIRD GRADE

$$

MTZ005-242100-
/O.CON.KMSO.WS.W.0008.000000T0000Z-110224T2100Z/
MISSOULA/BITTERROOT VALLEYS-
1050 AM MST THU FEB 24 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS
AFTERNOON. 

* IMPACTS/TIMING: THE COMBINATION OF SNOW AND WIND WILL CONTINUE
  TO PRODUCE WIDESPREAD BLOWING/DRIFTING OF SNOW. DRAMATICALLY
  FALLING TEMPERATURES COMBINED WITH CONTINUED GUSTY EAST WINDS
  WILL ALSO PRODUCE DANGEROUS WIND CHILLS.

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF 1 TO 3 INCHES.

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

* WIND: MISSOULA VALLEY...EAST WINDS INCREASING TO 20 TO 25 MPH 
  WITH GUSTS TO 40 MPH. BITTERROOT VALLEY...NORTH WINDS TO 15 TO 
  25 MPH WITH GUSTS TO 40 MPH. 

* WIND CHILL: 10 TO 20 BELOW ZERO LATE TODAY.

* LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA

$$

MTZ007-250000-
/O.CON.KMSO.WS.W.0008.000000T0000Z-110225T0000Z/
BUTTE/BLACKFOOT REGION-
1050 AM MST THU FEB 24 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 

* IMPACTS/TIMING: THE COMBINATION OF SNOW AND WIND WILL PRODUCE 
  WIDESPREAD BLOWING/DRIFTING OF SNOW AND LOCAL BLIZZARD 
  CONDITIONS WITH RAPID REDUCTIONS TO VISIBILITY. THIS WILL 
  CREATE EXTREMELY TREACHEROUS DRIVING CONDITIONS. DRAMATICALLY 
  FALLING TEMPERATURES COMBINED WITH CONTINUED GUSTY EAST WINDS 
  WILL ALSO PRODUCE EXTREMELY DANGEROUS WIND CHILLS. 

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF 2 TO 4 INCHES. 
  AN ADDITIONAL 6 TO 8 INCHES IN GEORGETOWN LAKE AND OVER HIGH 
  TERRAIN. 

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

* WIND: EAST TO NORTHEAST 20 TO 25 MPH WITH GUSTS TO 40 MPH.

* WIND CHILL: 15 TO 30 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 
  12 GARRISON TO ELLISTON...HOMESTAKE PASS...MACDONALD PASS

$$

MTZ002-250200-
/O.CON.KMSO.WC.W.0002.000000T0000Z-110225T0600Z/
WEST GLACIER REGION-
1050 AM MST THU FEB 24 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* IMPACTS/TIMING: EXTREMELY DANGEROUS WIND CHILL VALUES EXPECTED 
  THROUGH TONIGHT. LIGHT SNOW ACCUMULATIONS ARE ALSO EXPECTED 
  BUT WILL DIMINISH AS THE DAY CONTINUES.

* WIND CHILL: 20 TO 30 BELOW ZERO.

* WIND: NORTHEAST 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

IDZ009-010-MTZ006-250000-
/O.CON.KMSO.WW.Y.0022.000000T0000Z-110225T0000Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
BITTERROOT/SAPPHIRE MOUNTAINS-
1050 AM MST THU FEB 24 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

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

* IMPACTS/TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE. 
  REDUCTIONS TO VISIBILITIES AND SLICK/SNOW-COVERED ROADWAYS 
  WILL CREATE HAZARDOUS DRIVING CONDITIONS. 

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF 1 TO 3 INCHES 
  LOWER ELEVATIONS. AN ADDITIONAL 4 TO 6 INCHES OVER LOST TRAIL 
  PASS AND HIGH TERRAIN. 

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

$$
015 
WWUS45 KMSO 241828
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1128 AM MST THU FEB 24 2011

MTZ005-250230-
/O.CAN.KMSO.WS.W.0008.000000T0000Z-110224T2100Z/
/O.EXB.KMSO.WC.W.0002.000000T0000Z-110225T1600Z/
MISSOULA/BITTERROOT VALLEYS-
1128 AM MST THU FEB 24 2011

...WIND CHILL WARNING IN EFFECT UNTIL 9 AM MST FRIDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL 9 AM MST FRIDAY. THE WINTER
STORM WARNING HAS BEEN CANCELED. 

* IMPACTS/TIMING: COLD ARCTIC AIR WILL CONTINUE TO MOVE INTO THE
  AREA THROUGH TONIGHT WITH BRISK EAST TO NORTHEAST WINDS CREATING
  DANGEROUSLY LOW WIND CHILLS AT TIMES. 

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS UP TO ONE INCH POSSIBLE.

* WIND: MISSOULA VALLEY...EAST WINDS 15 TO 25 MPH WITH GUSTS TO 30
  MPH. WIND DECREASING LATE TONIGHT. BITTERROOT VALLEY...NORTH
  WINDS TO 15 TO 25 MPH WITH GUSTS TO 30 MPH.

* WIND CHILL: 15 TO 25 BELOW ZERO THROUGH EARLY FRIDAY.

* LOCATIONS IMPACTED INCLUDE...MISSOULA...STEVENSVILLE...CORVALLIS...HAMILTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL
RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

IDZ005>008-250000-
/O.CON.KMSO.WS.W.0009.000000T0000Z-110225T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
1028 AM PST THU FEB 24 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON. 

* IMPACTS/TIMING: SNOW WILL REDEVELOP LATER THIS AFTERNOON INTO 
  THIS EVENING. PERIODS OF MODERATE TO HEAVY SNOW WILL OCCUR 
  DURING THIS TIME AND CAUSE REDUCTIONS TO VISIBILITIES AND 
  SLICK/SNOW COVERED ROADWAYS. 

* SNOW ACCUMULATIONS: ACCUMULATIONS OF 3 TO 6 INCHES IN VALLEYS. 
  6 TO 8 INCHES OVER LOLO PASS...WHITEBIRD GRADE AND HIGHER 
  ELEVATIONS. 

* LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO 
  HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL 
  TO LOLO PASS...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...
  GREER GRADE...HIGHWAY 12 OROFINO TO KOOSKIA...HIGHWAY 95 SLATE 
  CREEK TO RIGGINS...WHITE BIRD GRADE

$$

MTZ007-250000-
/O.CON.KMSO.WS.W.0008.000000T0000Z-110225T0000Z/
BUTTE/BLACKFOOT REGION-
1128 AM MST THU FEB 24 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 

* IMPACTS/TIMING: THE COMBINATION OF SNOW AND WIND WILL PRODUCE 
  WIDESPREAD BLOWING/DRIFTING OF SNOW AND LOCAL BLIZZARD 
  CONDITIONS WITH RAPID REDUCTIONS TO VISIBILITY. THIS WILL 
  CREATE EXTREMELY TREACHEROUS DRIVING CONDITIONS. DRAMATICALLY 
  FALLING TEMPERATURES COMBINED WITH CONTINUED GUSTY EAST WINDS 
  WILL ALSO PRODUCE EXTREMELY DANGEROUS WIND CHILLS. 

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF 2 TO 4 INCHES. 
  AN ADDITIONAL 6 TO 8 INCHES IN GEORGETOWN LAKE AND OVER HIGH 
  TERRAIN. 

* VISIBILITY: LESS THAN ONE QUARTER MILE AT TIMES.

* WIND: EAST TO NORTHEAST 20 TO 25 MPH WITH GUSTS TO 40 MPH.

* WIND CHILL: 15 TO 30 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 
  12 GARRISON TO ELLISTON...HOMESTAKE PASS...MACDONALD PASS

$$

MTZ043-250230-
/O.CON.KMSO.WC.W.0002.000000T0000Z-110225T1200Z/
POTOMAC/SEELEY LAKE REGION-
1128 AM MST THU FEB 24 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY. 

* IMPACTS/TIMING: EXTREMELY DANGEROUS WIND CHILL VALUES EXPECTED 
  THROUGH TONIGHT. LIGHT SNOW ACCUMULATIONS ARE ALSO EXPECTED 
  BUT WILL DIMINISH AS THE DAY CONTINUES. 

* WIND CHILL: 20 TO 30 BELOW ZERO.

* WIND: NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 200 BONNER TO GREENOUGH...
   HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO 
  BEARMOUTH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

MTZ002-003-250230-
/O.CON.KMSO.WC.W.0002.000000T0000Z-110225T0600Z/
WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS-
1128 AM MST THU FEB 24 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* IMPACTS/TIMING: EXTREMELY DANGEROUS WIND CHILL VALUES EXPECTED 
  THROUGH THIS EVENING. LIGHT SNOW ACCUMULATIONS ARE ALSO 
  EXPECTED BUT WILL DIMINISH AS THE DAY CONTINUES. 

* WIND CHILL: 20 TO 30 BELOW ZERO.

* WIND: NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...FLATHEAD 
  LAKE...FLATHEAD VALLEY...MISSION VALLEY...POLSON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

IDZ009-010-MTZ006-250000-
/O.CON.KMSO.WW.Y.0022.000000T0000Z-110225T0000Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
BITTERROOT/SAPPHIRE MOUNTAINS-
1128 AM MST THU FEB 24 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

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

* IMPACTS/TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE. 
  REDUCTIONS TO VISIBILITIES AND SLICK/SNOW-COVERED ROADWAYS 
  WILL CREATE HAZARDOUS DRIVING CONDITIONS. 

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF 1 TO 3 INCHES 
  LOWER ELEVATIONS. AN ADDITIONAL 4 TO 6 INCHES OVER LOST TRAIL 
  PASS AND HIGH TERRAIN. 

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

$$

MTZ001-250230-
/O.CON.KMSO.WC.Y.0004.000000T0000Z-110225T0600Z/
KOOTENAI/CABINET REGION-
1128 AM MST THU FEB 24 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* IMPACTS/TIMING: DANGEROUS WIND CHILL VALUES EXPECTED THROUGH 
  THIS EVENING. LIGHT SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT 
  WILL DIMINISH AS THE DAY CONTINUES. 

* WIND: EAST/NORTHEAST 15 TO 20 MPH WITH GUSTS TO 30 MPH.

* WIND CHILL: 10 TO 20 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... 
  HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD...
  HIGHWAY 93 EUREKA TO WHITEFISH

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$

MTZ004-250230-
/O.CON.KMSO.WC.Y.0004.000000T0000Z-110225T0600Z/
LOWER CLARK FORK REGION-
1128 AM MST THU FEB 24 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* IMPACTS/TIMING: DANGEROUS WIND CHILLS VALUES EXPECTED THROUGH 
  THIS EVENING. LIGHT SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT 
  WILL DIMINISH AS THE DAY CONTINUES. 

* WIND: EAST/NORTHEAST 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* WIND CHILL: 10 TO 20 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON 
  FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 
  LOOKOUT PASS TO HAUGAN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$
598 
WWUS45 KMSO 242116
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
216 PM MST THU FEB 24 2011

IDZ005>008-250600-
/O.CAN.KMSO.WS.W.0009.000000T0000Z-110225T0000Z/
/O.EXB.KMSO.WW.Y.0022.000000T0000Z-110225T1800Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
116 PM PST THU FEB 24 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST FRIDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT
UNTIL 10 AM PST FRIDAY. THE WINTER STORM WARNING HAS BEEN
CANCELLED. 

* IMPACTS/TIMING: LIGHT TO MODERATE SNOW WILL REDEVELOP TONIGHT.
  REDUCTIONS TO VISIBILITIES AND SLICK/SNOW- COVERED ROADWAYS WILL
  CREATE DANGEROUS DRIVING CONDITIONS.

* SNOW ACCUMULATIONS: 2 TO 5 INCHES IN LOWER ELEVATIONS. HIGHER
  AMOUNTS UP TO 7 INCHES IN HIGH TERRAIN.

* LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO 
  HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL 
  TO LOLO PASS...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...
  GREER GRADE...HIGHWAY 12 OROFINO TO KOOSKIA...HIGHWAY 95 SLATE 
  CREEK TO RIGGINS...WHITE BIRD GRADE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ007-250600-
/O.CAN.KMSO.WS.W.0008.000000T0000Z-110225T0000Z/
/O.EXA.KMSO.WC.W.0002.000000T0000Z-110225T1600Z/
BUTTE/BLACKFOOT REGION-
216 PM MST THU FEB 24 2011

...WIND CHILL WARNING IN EFFECT UNTIL 9 AM MST FRIDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL 9 AM MST FRIDAY. THE WINTER
STORM WARNING HAS BEEN CANCELLED. 

* IMPACTS/TIMING: EXTREMELY DANGEROUS WIND CHILL VALUES EXPECTED. LIGHT
  SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT WILL DIMINISH LATER TONIGHT.

* WIND: EAST/NORTHEAST 20 TO 25 MPH WITH GUSTS TO 35 MPH.

* WIND CHILL: 25 TO 35 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 
  12 GARRISON TO ELLISTON...HOMESTAKE PASS...MACDONALD PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

MTZ043-250600-
/O.CON.KMSO.WC.W.0002.000000T0000Z-110225T1200Z/
POTOMAC/SEELEY LAKE REGION-
216 PM MST THU FEB 24 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY. 

* IMPACTS/TIMING: EXTREMELY DANGEROUS WIND CHILL VALUES EXPECTED.
  LIGHT SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT WILL DIMINISH
  LATER TONIGHT.

* WIND: NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* WIND CHILL: 25 TO 35 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 200 BONNER TO
  GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST
  MISSOULA TO BEARMOUTH.

&&

$$

MTZ002-003-250600-
/O.CON.KMSO.WC.W.0002.000000T0000Z-110225T0600Z/
WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS-
216 PM MST THU FEB 24 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* IMPACTS/TIMING: EXTREMELY DANGEROUS WIND CHILL VALUES EXPECTED.
  LIGHT SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT WILL DIMINISH
  LATER TONIGHT.

* WIND CHILL: 25 TO 35 BELOW ZERO.

* WIND: NORTHEAST 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...FLATHEAD
  LAKE...FLATHEAD VALLEY...MISSION VALLEY...POLSON

&&

$$

MTZ005-250600-
/O.CON.KMSO.WC.W.0002.000000T0000Z-110225T1600Z/
MISSOULA/BITTERROOT VALLEYS-
216 PM MST THU FEB 24 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM MST FRIDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM MST FRIDAY. 

* IMPACTS/TIMING: COLD ARCTIC AIR WILL CONTINUE TO MOVE INTO THE 
  AREA THROUGH TONIGHT WITH BRISK EAST TO NORTHEAST WINDS 
  CREATING DANGEROUSLY LOW WIND CHILLS AT TIMES. 

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS UP TO ONE INCH 
  POSSIBLE.

* WIND: MISSOULA VALLEY...EAST WINDS 15 TO 25 MPH WITH GUSTS TO 30
  MPH. BITTERROOT VALLEY...NORTH WINDS 15 TO 25 MPH WITH GUSTS TO
  30 MPH.

* WIND CHILL: 15 TO 25 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA.

&&

$$

IDZ009-010-MTZ006-250000-
/O.CON.KMSO.WW.Y.0022.000000T0000Z-110225T0000Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
BITTERROOT/SAPPHIRE MOUNTAINS-
216 PM MST THU FEB 24 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

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

* IMPACTS/TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE. 
  REDUCTIONS TO VISIBILITIES AND SLICK/SNOW-COVERED ROADWAYS 
  WILL CREATE HAZARDOUS DRIVING CONDITIONS. 

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF 1 TO 3 INCHES 
  LOWER ELEVATIONS. AN ADDITIONAL 4 TO 6 INCHES OVER LOST TRAIL 
  PASS AND HIGH TERRAIN. 

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

$$

MTZ001-250600-
/O.CON.KMSO.WC.Y.0004.000000T0000Z-110225T0600Z/
KOOTENAI/CABINET REGION-
216 PM MST THU FEB 24 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* IMPACTS/TIMING: DANGEROUS WIND CHILL VALUES EXPECTED. LIGHT SNOW
  ACCUMULATIONS ARE ALSO EXPECTED BUT WILL DIMINISH LATER THIS
  EVENING.

* WIND: EAST/NORTHEAST 15 TO 20 MPH WITH GUSTS TO 30 MPH.

* WIND CHILL: 10 TO 20 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY...
  HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD...
  HIGHWAY 93 EUREKA TO WHITEFISH.

&&

$$

MTZ004-250600-
/O.CON.KMSO.WC.Y.0004.000000T0000Z-110225T0600Z/
LOWER CLARK FORK REGION-
216 PM MST THU FEB 24 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* IMPACTS/TIMING: DANGEROUS WIND CHILLS VALUES EXPECTED. LIGHT
  SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT WILL DIMINISH LATER
  THIS EVENING.

* WIND: EAST/NORTHEAST 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* WIND CHILL: 10 TO 20 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON
  FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90
  LOOKOUT PASS TO HAUGAN.

&&

$$
041 
WWUS45 KMSO 242338
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
438 PM MST THU FEB 24 2011

IDZ009-010-MTZ006-250045-
/O.EXP.KMSO.WW.Y.0022.000000T0000Z-110225T0000Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
BITTERROOT/SAPPHIRE MOUNTAINS-
438 PM MST THU FEB 24 2011

...WINTER WEATHER ADVISORY WILL EXPIRE AT 5 PM MST THIS
AFTERNOON...

THE WINTER WEATHER ADVISORY WILL EXPIRE AT 5 PM MST THIS
AFTERNOON. 

*  IMPACTS/TIMING: THE SNOWFALL HAS DECREASED TO JUST SOME LIGHT
   SNOW FLURRIES...THEREFORE THE ADVISORY WILL BE ALLOWED TO EXPIRE.


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

$$

MTZ007-250600-
/O.CON.KMSO.WC.W.0002.000000T0000Z-110225T1600Z/
BUTTE/BLACKFOOT REGION-
438 PM MST THU FEB 24 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM MST FRIDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM MST FRIDAY. 

* IMPACTS/TIMING: EXTREMELY DANGEROUS WIND CHILL VALUES 
  EXPECTED. LIGHT SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT WILL 
  DIMINISH LATER TONIGHT. 

* WIND: EAST/NORTHEAST 20 TO 25 MPH WITH GUSTS TO 35 MPH.

* WIND CHILL: 25 TO 35 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 
  12 GARRISON TO ELLISTON...HOMESTAKE PASS...MACDONALD PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

MTZ043-250600-
/O.CON.KMSO.WC.W.0002.000000T0000Z-110225T1200Z/
POTOMAC/SEELEY LAKE REGION-
438 PM MST THU FEB 24 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY. 

* IMPACTS/TIMING: EXTREMELY DANGEROUS WIND CHILL VALUES 
  EXPECTED. LIGHT SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT WILL 
  DIMINISH LATER TONIGHT. 

* WIND: NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* WIND CHILL: 25 TO 35 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 200 BONNER TO GREENOUGH...
   HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO 
  BEARMOUTH

$$

MTZ002-003-250600-
/O.CON.KMSO.WC.W.0002.000000T0000Z-110225T0600Z/
WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS-
438 PM MST THU FEB 24 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* IMPACTS/TIMING: EXTREMELY DANGEROUS WIND CHILL VALUES 
  EXPECTED. LIGHT SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT WILL 
  DIMINISH LATER TONIGHT. 

* WIND CHILL: 25 TO 35 BELOW ZERO.

* WIND: NORTHEAST 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...FLATHEAD 
  LAKE...FLATHEAD VALLEY...MISSION VALLEY...POLSON

$$

MTZ005-250600-
/O.CON.KMSO.WC.W.0002.000000T0000Z-110225T1600Z/
MISSOULA/BITTERROOT VALLEYS-
438 PM MST THU FEB 24 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM MST FRIDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM MST FRIDAY. 

* IMPACTS/TIMING: COLD ARCTIC AIR WILL CONTINUE TO MOVE INTO THE 
  AREA THROUGH TONIGHT WITH BRISK EAST TO NORTHEAST WINDS 
  CREATING DANGEROUSLY LOW WIND CHILLS AT TIMES. 

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS UP TO ONE INCH 
  POSSIBLE. 

* WIND: MISSOULA VALLEY...EAST WINDS 15 TO 25 MPH WITH GUSTS TO 
  30 MPH. BITTERROOT VALLEY...NORTH WINDS 15 TO 25 MPH WITH 
  GUSTS TO 30 MPH. 

* WIND CHILL: 15 TO 25 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA

$$

IDZ005>008-250600-
/O.CON.KMSO.WW.Y.0022.000000T0000Z-110225T1800Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
338 PM PST THU FEB 24 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY. 

* IMPACTS/TIMING: LIGHT TO MODERATE SNOW WILL REDEVELOP TONIGHT. 
  REDUCTIONS TO VISIBILITIES AND SLICK/SNOW- COVERED ROADWAYS 
  WILL CREATE DANGEROUS DRIVING CONDITIONS. 

* SNOW ACCUMULATIONS: 2 TO 5 INCHES IN LOWER ELEVATIONS. HIGHER 
  AMOUNTS UP TO 7 INCHES IN HIGH TERRAIN. 

* LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO 
  HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL 
  TO LOLO PASS...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...
  GREER GRADE...HIGHWAY 12 OROFINO TO KOOSKIA...HIGHWAY 95 SLATE 
  CREEK TO RIGGINS...WHITE BIRD GRADE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ001-250600-
/O.CON.KMSO.WC.Y.0004.000000T0000Z-110225T0600Z/
KOOTENAI/CABINET REGION-
438 PM MST THU FEB 24 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* IMPACTS/TIMING: DANGEROUS WIND CHILL VALUES EXPECTED. LIGHT 
  SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT WILL DIMINISH LATER 
  THIS EVENING. 

* WIND: EAST/NORTHEAST 15 TO 20 MPH WITH GUSTS TO 30 MPH.

* WIND CHILL: 10 TO 20 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... 
  HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD...
  HIGHWAY 93 EUREKA TO WHITEFISH

$$

MTZ004-250600-
/O.CON.KMSO.WC.Y.0004.000000T0000Z-110225T0600Z/
LOWER CLARK FORK REGION-
438 PM MST THU FEB 24 2011

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING. 

* IMPACTS/TIMING: DANGEROUS WIND CHILLS VALUES EXPECTED. LIGHT 
  SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT WILL DIMINISH LATER 
  THIS EVENING. 

* WIND: EAST/NORTHEAST 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* WIND CHILL: 10 TO 20 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON 
  FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 
  LOOKOUT PASS TO HAUGAN

$$
423 
WWUS45 KMSO 250424
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
924 PM MST THU FEB 24 2011

MTZ001-004-250530-
/O.CAN.KMSO.WC.Y.0004.000000T0000Z-110225T0600Z/
KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION-
924 PM MST THU FEB 24 2011

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND
CHILL ADVISORY.

ALTHOUGH TEMPERATURES WILL BE VERY COLD TONIGHT...WIND SPEEDS WILL
REMAIN BELOW 5 MPH. THEREFORE...THE WIND CHILL ADVISORY HAS BEEN CANCELLED.


$$

MTZ002-003-251200-
/O.EXT.KMSO.WC.W.0002.000000T0000Z-110225T1200Z/
WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS-
924 PM MST THU FEB 24 2011

...WIND CHILL WARNING NOW IN EFFECT UNTIL 5 AM MST FRIDAY...

THE WIND CHILL WARNING IS NOW IN EFFECT UNTIL 5 AM MST FRIDAY. 

* IMPACTS/TIMING: EXTREMELY DANGEROUS WIND CHILL VALUES 
  EXPECTED. LIGHT SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT WILL 
  DIMINISH LATER TONIGHT. 

* WIND CHILL: 25 TO 35 BELOW ZERO.

* WIND: NORTHEAST 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...FLATHEAD 
  LAKE...FLATHEAD VALLEY...MISSION VALLEY...POLSON

$$

MTZ007-251200-
/O.CON.KMSO.WC.W.0002.000000T0000Z-110225T1600Z/
BUTTE/BLACKFOOT REGION-
924 PM MST THU FEB 24 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM MST FRIDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM MST FRIDAY. 

* IMPACTS/TIMING: EXTREMELY DANGEROUS WIND CHILL VALUES 
  EXPECTED. LIGHT SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT WILL 
  DIMINISH LATER TONIGHT. 

* WIND: EAST/NORTHEAST 20 TO 25 MPH WITH GUSTS TO 35 MPH.

* WIND CHILL: 25 TO 35 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 
  12 GARRISON TO ELLISTON...HOMESTAKE PASS...MACDONALD PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

MTZ043-251200-
/O.CON.KMSO.WC.W.0002.000000T0000Z-110225T1200Z/
POTOMAC/SEELEY LAKE REGION-
924 PM MST THU FEB 24 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY. 

* IMPACTS/TIMING: EXTREMELY DANGEROUS WIND CHILL VALUES 
  EXPECTED. LIGHT SNOW ACCUMULATIONS ARE ALSO EXPECTED BUT WILL 
  DIMINISH LATER TONIGHT. 

* WIND: NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* WIND CHILL: 25 TO 35 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 200 BONNER TO GREENOUGH...
   HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO 
  BEARMOUTH

$$

MTZ005-251200-
/O.CON.KMSO.WC.W.0002.000000T0000Z-110225T1600Z/
MISSOULA/BITTERROOT VALLEYS-
924 PM MST THU FEB 24 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM MST FRIDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM MST FRIDAY. 

* IMPACTS/TIMING: COLD ARCTIC AIR WILL CONTINUE TO MOVE INTO THE 
  AREA THROUGH TONIGHT WITH BRISK EAST TO NORTHEAST WINDS 
  CREATING DANGEROUSLY LOW WIND CHILLS AT TIMES. 

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS UP TO ONE INCH 
  POSSIBLE. 

* WIND: MISSOULA VALLEY...EAST WINDS 15 TO 25 MPH WITH GUSTS TO 
  30 MPH. BITTERROOT VALLEY...NORTH WINDS 15 TO 25 MPH WITH 
  GUSTS TO 30 MPH. 

* WIND CHILL: 15 TO 25 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA

$$

IDZ005>008-251200-
/O.CON.KMSO.WW.Y.0022.000000T0000Z-110225T1800Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
824 PM PST THU FEB 24 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY. 

* IMPACTS/TIMING: LIGHT TO MODERATE SNOW WILL REDEVELOP TONIGHT. 
  REDUCTIONS TO VISIBILITIES AND SLICK/SNOW- COVERED ROADWAYS 
  WILL CREATE DANGEROUS DRIVING CONDITIONS. 

* SNOW ACCUMULATIONS: 2 TO 5 INCHES IN LOWER ELEVATIONS. HIGHER 
  AMOUNTS UP TO 7 INCHES IN HIGH TERRAIN. 

* LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO 
  HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL 
  TO LOLO PASS...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...
  GREER GRADE...HIGHWAY 12 OROFINO TO KOOSKIA...HIGHWAY 95 SLATE 
  CREEK TO RIGGINS...WHITE BIRD GRADE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
644 
WWUS45 KMSO 251155
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
455 AM MST FRI FEB 25 2011

MTZ043-251300-
/O.EXP.KMSO.WC.W.0002.000000T0000Z-110225T1200Z/
POTOMAC/SEELEY LAKE REGION-
455 AM MST FRI FEB 25 2011

...WIND CHILL WARNING WILL EXPIRE AT 5 AM MST EARLY THIS
MORNING...

THE WIND CHILL WARNING WILL EXPIRE AT 5 AM MST EARLY THIS
MORNING. 

WINDS HAVE DIMINISHED EARLY THIS MORNING...BECOMING LIGHT AND
VARIABLE. HOWEVER...ANY HINT OF A BREEZE WILL FEEL EXTREMELY COLD
AGAINST EXPOSED SKIN THROUGH THE MORNING.

* LOCATIONS IMPACTED INCLUDE...HIGHWAY 200 BONNER TO GREENOUGH...
   HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO 
  BEARMOUTH

$$

MTZ002-003-251300-
/O.EXP.KMSO.WC.W.0002.000000T0000Z-110225T1200Z/
WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS-
455 AM MST FRI FEB 25 2011

...WIND CHILL WARNING WILL EXPIRE AT 5 AM MST EARLY THIS
MORNING...

THE WIND CHILL WARNING WILL EXPIRE AT 5 AM MST EARLY THIS
MORNING. 

NORTHEAST WINDS HAVE DIMINISHED TO LESS THAN 10 MPH EARLY THIS
MORNING. HOWEVER...ANY HINT OF A BREEZE WILL FEEL EXTREMELY COLD
AGAINST EXPOSED SKIN THROUGH THE MORNING.

* LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 
  83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...FLATHEAD 
  LAKE...FLATHEAD VALLEY...MISSION VALLEY...POLSON

$$

MTZ007-251600-
/O.CON.KMSO.WC.W.0002.000000T0000Z-110225T1600Z/
BUTTE/BLACKFOOT REGION-
455 AM MST FRI FEB 25 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM MST THIS
MORNING...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM MST THIS
MORNING. 

* IMPACTS/TIMING: THE THREAT FOR EXTREMELY DANGEROUS WIND CHILL
  VALUES HAS DIMINISHED AS THE WINDS HAVE DECREASED BELOW 10 MPH
  EARLY THIS MORNING. HOWEVER...THE COMBINATION OF WELL BELOW ZERO
  TEMPERATURES WITH ANY HINT OF A BREEZE WILL FEEL EXTREMELY COLD
  AGAINST EXPOSED SKIN THROUGH THE MORNING. LIGHT SNOWFALL WITH
  VERY LITTLE TO NO ACCUMULATION IS ALSO EXPECTED BUT WILL
  DIMINISH LATER IN THE MORNING.

* WIND: EAST/NORTHEAST 20 TO 25 MPH WITH GUSTS TO 35 MPH.

* WIND CHILL: 25 TO 35 BELOW ZERO.

* LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 
  12 GARRISON TO ELLISTON...HOMESTAKE PASS...MACDONALD PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

MTZ005-251600-
/O.CON.KMSO.WC.W.0002.000000T0000Z-110225T1600Z/
MISSOULA/BITTERROOT VALLEYS-
455 AM MST FRI FEB 25 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM MST THIS
MORNING FOR...MISSOULA...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM MST THIS
MORNING. 

* IMPACTS/TIMING: BRISK EAST WINDS WILL CONTINUE TO BLOW THROUGH
  HELLGATE CANYON AND DOWNTOWN MISSOULA EARLY THIS MORNING...
  TAPERING OFF THROUGH THE AFTERNOON. THIS WILL CONTINUE THE
  THREAT FOR DANGEROUSLY LOW WIND CHILLS AT TIMES.

* WIND: MISSOULA VALLEY...EAST WINDS 10 TO 15 MPH WITH GUSTS TO 25
  MPH.

* WIND CHILL: 15 TO 25 BELOW ZERO.

$$

IDZ005>008-251800-
/O.CON.KMSO.WW.Y.0022.000000T0000Z-110225T1800Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
355 AM PST FRI FEB 25 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING. 

* IMPACTS/TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH THE
  MORNING COMMUTE. REDUCTIONS TO VISIBILITIES AND SLICK SNOW COVERED
  ROADWAYS WILL CREATE DANGEROUS DRIVING CONDITIONS THIS MORNING.

* SNOW ACCUMULATIONS: AN ADDITIONAL 1 TO 2 INCHES IN LOWER
  ELEVATIONS THIS MORNING. AN ADDITIONAL 2 TO 4 INCHES OVER HIGH
  TERRAIN.

* LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO 
  HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL 
  TO LOLO PASS...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...
  GREER GRADE...HIGHWAY 12 OROFINO TO KOOSKIA...HIGHWAY 95 SLATE 
  CREEK TO RIGGINS...WHITE BIRD GRADE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
286 
WWUS45 KMSO 251543
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
843 AM MST FRI FEB 25 2011

MTZ007-251645-
/O.EXP.KMSO.WC.W.0002.000000T0000Z-110225T1600Z/
BUTTE/BLACKFOOT REGION-
843 AM MST FRI FEB 25 2011

...WIND CHILL WARNING WILL EXPIRE AT 9 AM MST THIS MORNING...

THE WIND CHILL WARNING WILL EXPIRE AT 9 AM MST THIS MORNING. 

SUSTAINED WINDS HAVE DECREASED BELOW 10 MPH ENDING THE WIDESPREAD
THREAT OF DANGEROUS WIND CHILLS. THEREFORE THE WIND CHILL WARNING
WILL BE ALLOWED TO EXPIRE. HOWEVER...WITH TEMPERATURES STILL
HOVERING IN THE TEENS BELOW ZERO...EVEN A LIGHT WIND WILL MAKE
FOR HAZARDOUS WIND CHILLS. PERSONS ARE REMINDED TO COVER ALL
EXPOSED SKIN WHEN VENTURING OUTDOORS TODAY.

$$

MTZ005-251645-
/O.EXP.KMSO.WC.W.0002.000000T0000Z-110225T1600Z/
MISSOULA/BITTERROOT VALLEYS-
843 AM MST FRI FEB 25 2011

...WIND CHILL WARNING WILL EXPIRE AT 9 AM MST THIS MORNING FOR...
MISSOULA...

THE WIND CHILL WARNING WILL EXPIRE AT 9 AM MST THIS MORNING. 

SUSTAINED WINDS HAVE DECREASED BELOW 10 MPH ENDING THE WIDESPREAD
THREAT OF DANGEROUS WIND CHILLS OVER THE MISSOULA VALLEY. THEREFORE THE
WIND CHILL WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER...HELLGATE
CANYON WILL STILL PRODUCE PERIODIC GUSTS ABOVE 10 MPH MAKING
DOWNTOWN MISSOULA QUITE COLD. PERSONS ARE REMINDED TO COVER ALL
EXPOSED SKIN WHEN VENTURING OUTDOORS TODAY.

$$

IDZ005>008-251800-
/O.CON.KMSO.WW.Y.0022.000000T0000Z-110225T1800Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
743 AM PST FRI FEB 25 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING. 

* IMPACTS/TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH THE
  MORNING COMMUTE. REDUCTIONS TO VISIBILITIES AND SLICK SNOW
  COVERED ROADWAYS WILL CREATE HAZARDOUS DRIVING CONDITIONS THIS
  MORNING.

* SNOW ACCUMULATIONS: AN ADDITIONAL 1 TO 2 INCHES IN LOWER 
  ELEVATIONS THIS MORNING. AN ADDITIONAL 2 TO 4 INCHES OVER HIGH 
  TERRAIN. 

* LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO 
  HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL 
  TO LOLO PASS...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...
  GREER GRADE...HIGHWAY 12 OROFINO TO KOOSKIA...HIGHWAY 95 SLATE 
  CREEK TO RIGGINS...WHITE BIRD GRADE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 10:50 AM MSTWind Chill AdvisoryMSOFlathead, Lincoln, Mineral, Missoula, Sanders11 hr

Nearby

Wind Chill Warnings in Montana, 2011Every wind chill warning in 2011

Sources

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