Alert archive / Montana / Wind Chill Advisories in 2008

Wind Chill Advisory 2, NWS Missoula, MT

January 20, 20088 counties in Montana; Lemhi County, Idaho

NWS Missoula, MT issued this wind chill advisory at Jan 20, 2008, 4:48 AM MST for 8 counties in Montana; Lemhi County, Idaho. It took effect at Jan 20, 2008, 11:03 AM MST. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued
Jan 20, 2008, 4:48 AM MST (11:48 UTC)
In effect from
Jan 20, 2008, 11:03 AM MST
Expired
Jan 21, 2008, 10:00 AM MST
In force
23 hr
Issued by
NWS Missoula, MT

Counties Lemhi County, ID, Flathead County, MT, Granite County, MT, Lake County, MT, Lincoln County, MT, Mineral County, MT, Missoula County, MT, Ravalli County, MT, Sanders County, MT

The radar

The Missoula radar (KMSX), 28 km from the middle of the area, began a volume at 11:50 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, 11.8 hours before the alert went out and 169 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 2008-01-20Temperature 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 2008-01-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
601 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
65 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 201148
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
448 AM MST SUN JAN 20 2008

.A STRONG ARCTIC PUSH OF AIR CLASHING WITH A LOW PRESSURE SYSTEM
DROPPING SOUTH FROM CANADA WILL CONTINUE TO PRODUCE SNOWFALL AND
STRONG AND GUSTY NORTHEAST TO EAST WINDS SUNDAY PRODUCING SNOW AND
BLOWING SNOW. THE BIGGEST CONCERN ASSOCIATED WITH THIS SYSTEM
WILL CONTINUE TO BE AREAS OF WHITE OUT CONDITIONS AT TIMES. IN
ADDITION...THESE INTENSE EAST TO NORTHEAST WINDS WILL USHER A
BITTERLY COLD AIR MASS INTO WESTERN MONTANA...CREATING DANGEROUSLY
COLD WIND CHILL VALUES SUNDAY AFTERNOON THROUGH MONDAY.

MTZ043-201900-
/O.CAN.KMSO.BZ.W.0001.000000T0000Z-080120T1800Z/
/O.NEW.KMSO.WW.Y.0002.080120T1148Z-080121T0000Z/
/O.UPG.KMSO.WC.Y.0001.080120T1800Z-080122T0000Z/
/O.NEW.KMSO.WC.W.0001.080121T0000Z-080122T0000Z/
POTOMAC/SEELEY LAKE REGION-
448 AM MST SUN JAN 20 2008

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WIND CHILL WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM
MST MONDAY...
...BLIZZARD WARNING IS CANCELLED...
...WIND CHILL ADVISORY NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST
MONDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS
WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. THE BLIZZARD WARNING HAS BEEN CANCELED. THE WIND
CHILL ADVISORY IS NO LONGER IN EFFECT. 

MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY AS AN
ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION. ADDITIONAL
SNOWFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY SUNDAY
AFTERNOON. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH
WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND
DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT
CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS AND
FIELDS...ESPECIALLY ALONG HIGHWAY 200 FROM BONNER TO CLEARWATER
JUNCTION AND I-90 FROM MISSOULA TO BONNER. 

ALTHOUGH SNOW WILL BE DIMINISHING THIS AFTERNOON...BRISK WINDS
WILL LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 20 TO 30
DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY.

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.

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.

$$

MTZ005-201900-
/O.CAN.KMSO.BZ.W.0001.000000T0000Z-080120T1800Z/
/O.NEW.KMSO.WW.Y.0002.080120T1148Z-080121T0000Z/
/O.NEW.KMSO.WC.Y.0002.080121T0000Z-080122T0000Z/
MISSOULA/BITTERROOT VALLEYS-
448 AM MST SUN JAN 20 2008

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WIND CHILL ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM
MST MONDAY...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. A WIND CHILL ADVISORY HAS ALSO BEEN ISSUED. THIS WIND
CHILL ADVISORY IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST
MONDAY. THE BLIZZARD WARNING HAS BEEN CANCELED. 

MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY AS AN
ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION. ADDITIONAL
SNOWFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY SUNDAY
AFTERNOON. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH
WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND
DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT
CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS AND IN THE EAST
HALF OF MISSOULA. 

ALTHOUGH SNOW WILL BE ENDING THIS AFTERNOON...BRISK WINDS WILL
LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 10 TO 20
DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY.

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.

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.

$$

MTZ007-201900-
/O.CAN.KMSO.WS.W.0003.000000T0000Z-080120T1800Z/
/O.NEW.KMSO.WW.Y.0002.080120T1148Z-080121T0000Z/
/O.UPG.KMSO.WC.Y.0001.080120T1800Z-080122T0000Z/
/O.NEW.KMSO.WC.W.0001.080121T0000Z-080122T0000Z/
BUTTE/BLACKFOOT REGION-
448 AM MST SUN JAN 20 2008

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WIND CHILL WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM
MST MONDAY...
...WINTER STORM WARNING IS CANCELLED...
...WIND CHILL ADVISORY NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST
MONDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS
WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELED. THE WIND
CHILL ADVISORY IS NO LONGER IN EFFECT. 

MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY AS AN
ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION. ADDITIONAL
SNOWFALL ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED BY SUNDAY
AFTERNOON. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH
WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND
DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT
CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS.

ALTHOUGH SNOW WILL BE ENDING SUNDAY AFTERNOON...BRISK WINDS WILL
LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 25 TO 35
DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY.

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.

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.

$$

MTZ002-201900-
/O.CAN.KMSO.WS.W.0003.000000T0000Z-080120T1200Z/
/O.NEW.KMSO.WW.Y.0002.080120T1148Z-080121T0000Z/
/O.UPG.KMSO.WC.Y.0001.080120T1200Z-080122T0000Z/
/O.NEW.KMSO.WC.W.0001.080121T0000Z-080122T0000Z/
WEST GLACIER REGION-
448 AM MST SUN JAN 20 2008

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WIND CHILL WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM
MST MONDAY...
...WINTER STORM WARNING IS CANCELLED...
...WIND CHILL ADVISORY NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST
MONDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS
WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELED. THE WIND
CHILL ADVISORY IS NO LONGER IN EFFECT. 

MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY MORNING AS
AN ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION. ADDITIONAL
SNOWFALL ACCUMULATIONS OF 1 TO 2 INCHES ARE EXPECTED SUNDAY MORNING.
IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH WITH
FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND
DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT
CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS. SNOWFALL WILL
DIMINISH IN THE AFTERNOON BUT CONSIDERABLE BLOWING OF SNOW WILL
PERSIST. 

ALTHOUGH SNOW WILL BE ENDING SUNDAY AFTERNOON...BRISK WINDS WILL
LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 25 TO 35
DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY.

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.

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.

$$

MTZ003-201900-
/O.CAN.KMSO.WS.W.0003.000000T0000Z-080120T1200Z/
/O.NEW.KMSO.WW.Y.0002.080120T1148Z-080121T0000Z/
/O.NEW.KMSO.WC.Y.0002.080121T0000Z-080122T0000Z/
FLATHEAD/MISSION VALLEYS-
448 AM MST SUN JAN 20 2008

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WIND CHILL ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM
MST MONDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. A WIND CHILL ADVISORY HAS ALSO BEEN ISSUED. THIS WIND
CHILL ADVISORY IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST
MONDAY. THE WINTER STORM WARNING HAS BEEN CANCELED. 

MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY MORNING
AS AN ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION.
ADDITIONAL SNOWFALL ACCUMULATIONS OF AROUND 1 INCH ARE EXPECTED
SUNDAY MORNING. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30
MPH WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING
AND DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT
CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS. SNOWFALL WILL
DIMINISH IN THE AFTERNOON BUT CONSIDERABLE BLOWING OF SNOW WILL
PERSIST. 

ALTHOUGH SNOW WILL BE ENDING THIS AFTERNOON...BRISK WINDS WILL LEAD TO
VERY COLD WIND CHILL VALUES. WIND CHILLS OF 10 TO 20 DEGREES BELOW
ZERO WILL CONTINUE INTO MONDAY.

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.

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.

$$

MTZ001-004-201900-
/O.CAN.KMSO.WS.W.0003.000000T0000Z-080120T1800Z/
/O.EXB.KMSO.SB.Y.0004.080120T1200Z-080121T0000Z/
KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION-
448 AM MST SUN JAN 20 2008

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELED. 

SNOW WILL CONTINUE SUNDAY MORNING THEN GRADUALLY DECREASES A LOW PRESSURE
MOVES SOUTH THROUGH IDAHO. ADDITIONAL SNOW ACCUMULATIONS OF AROUND
1 INCH ARE EXPECTED SUNDAY MORNING. NORTH TO NORTHEAST WINDS OF
10 TO 20 MPH WITH GUSTS TO 30 MPH WILL CONTINUE INTO SUNDAY
CREATING AREAS OF BLOWING AND DRIFTING SNOW. DRIVING CONDITIONS
OVER LOOKOUT PASS WILL BE MOST EFFECTED.

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

$$

IDZ009-010-201900-
/O.EXB.KMSO.SN.Y.0006.080120T1200Z-080121T0000Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
448 AM MST SUN JAN 20 2008

...SNOW ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. 

TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 5 INCHES IN THE VALLEYS AND
PASSES WITH UP TO 10 INCHES IN THE MOUNTAINS CAN BE EXPECTED
THROUGH EARLY SUNDAY EVENING. LIGHT SNOWFALL WILL BECOME MODERATE
DURING THE MORNING HOURS. EXPECT DIFFICULT DRIVING CONDITIONS
ACROSS LOST TRAIL PASS TODAY.

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

$$

IDZ007-008-201900-
/O.EXT.KMSO.SB.Y.0004.000000T0000Z-080121T0000Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
348 AM PST SUN JAN 20 2008

...SNOW AND BLOWING SNOW ADVISORY NOW IN EFFECT UNTIL 4 PM PST
THIS AFTERNOON...

THE SNOW AND BLOWING SNOW ADVISORY IS NOW IN EFFECT UNTIL 4 PM
PST THIS AFTERNOON. 

SNOW WILL INTENSIFY DURING THE MORNING HOURS AS LOW PRESSURE
MOVES SOUTH THROUGH IDAHO. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7
INCHES CAN BE EXPECTED BY SUNDAY AFTERNOON...ESPECIALLY FROM
OROFINO SOUTHWARD TO GRANGEVILLE. NORTH TO NORTHEAST WINDS OF 10
TO 20 MPH WITH GUSTS TO 30 MPH ARE EXPECTED TODAY CREATING AREAS
OF BLOWING AND DRIFTING SNOW. ADDITIONAL AREAS AFFECTED WILL BE
HIGHWAY 12 OVER WHITEBIRD GRADE WHERE DRIVING CONDITIONS COULD
BECOME HAZARDOUS.

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

$$

IDZ005-006-MTZ006-201900-
/O.EXT.KMSO.SN.Y.0006.000000T0000Z-080121T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
BITTERROOT/SAPPHIRE MOUNTAINS-
448 AM MST SUN JAN 20 2008 /348 AM PST SUN JAN 20 2008/

...SNOW ADVISORY NOW IN EFFECT UNTIL 5 PM MST /4 PM PST/ THIS
AFTERNOON...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 5 PM MST /4 PM PST/ THIS
AFTERNOON. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES IN THE VALLEYS AND
PASSES WITH UP TO 12 INCHES IN THE MOUNTAINS CAN BE EXPECTED
SUNDAY. LIGHT TO MODERATE WILL CONTINUE OVER THE NORTHERN
CLEARWATER MOUNTAINS...THE HIGHWAY 12 CORRIDOR INCLUDING LOLO PASS
THROUGHOUT THE DAY SUNDAY. 

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.

$$
8 follow-up statements
000 
WWUS45 KMSO 201158 CCA
WSWMSO

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE MISSOULA MT
453 AM MST SUN JAN 20 2008

.A STRONG ARCTIC PUSH OF AIR CLASHING WITH A LOW PRESSURE SYSTEM
DROPPING SOUTH FROM CANADA WILL CONTINUE TO PRODUCE SNOWFALL AND
STRONG AND GUSTY NORTHEAST TO EAST WINDS SUNDAY PRODUCING SNOW AND
BLOWING SNOW. THE BIGGEST CONCERN ASSOCIATED WITH THIS SYSTEM
WILL CONTINUE TO BE AREAS OF WHITE OUT CONDITIONS AT TIMES. IN
ADDITION...THESE INTENSE EAST TO NORTHEAST WINDS WILL USHER A
BITTERLY COLD AIR MASS INTO WESTERN MONTANA...CREATING DANGEROUSLY
COLD WIND CHILL VALUES SUNDAY AFTERNOON THROUGH MONDAY.

MTZ043-201915-
/O.CAN.KMSO.BZ.W.0001.000000T0000Z-080120T1800Z/
/O.NEW.KMSO.WW.Y.0002.080120T1153Z-080121T0000Z/
/O.UPG.KMSO.WC.Y.0001.080120T1800Z-080122T0000Z/
/O.NEW.KMSO.WC.W.0001.080121T0000Z-080122T0000Z/
POTOMAC/SEELEY LAKE REGION-
453 AM MST SUN JAN 20 2008

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WIND CHILL WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM
MST MONDAY...
...BLIZZARD WARNING IS CANCELLED...
...WIND CHILL ADVISORY NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST
MONDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS
WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. THE BLIZZARD WARNING HAS BEEN CANCELED. THE WIND
CHILL ADVISORY IS NO LONGER IN EFFECT. 

MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY AS AN
ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION. ADDITIONAL
SNOWFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY SUNDAY
AFTERNOON. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH
WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND
DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT
CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS AND
FIELDS...ESPECIALLY ALONG HIGHWAY 200 FROM BONNER TO CLEARWATER
JUNCTION AND I-90 FROM MISSOULA TO BONNER. 

ALTHOUGH SNOW WILL BE DIMINISHING THIS AFTERNOON...BRISK WINDS
WILL LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 20 TO 30
DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY.

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.

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.

$$

MTZ005-201915-
/O.CAN.KMSO.BZ.W.0001.000000T0000Z-080120T1800Z/
/O.NEW.KMSO.WW.Y.0002.080120T1153Z-080121T0000Z/
/O.NEW.KMSO.WC.Y.0002.080121T0000Z-080122T0000Z/
MISSOULA/BITTERROOT VALLEYS-
453 AM MST SUN JAN 20 2008

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WIND CHILL ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM
MST MONDAY...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. A WIND CHILL ADVISORY HAS ALSO BEEN ISSUED. THIS WIND
CHILL ADVISORY IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST
MONDAY. THE BLIZZARD WARNING HAS BEEN CANCELED. 

MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY AS AN
ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION. ADDITIONAL
SNOWFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY SUNDAY
AFTERNOON. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH
WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND
DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT
CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS AND IN THE EAST
HALF OF MISSOULA. 

ALTHOUGH SNOW WILL BE ENDING THIS AFTERNOON...BRISK WINDS WILL
LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 10 TO 20
DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY.

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.

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.

$$

MTZ007-201915-
/O.CAN.KMSO.WS.W.0003.000000T0000Z-080120T1800Z/
/O.NEW.KMSO.WW.Y.0002.080120T1153Z-080121T0000Z/
/O.UPG.KMSO.WC.Y.0001.080120T1800Z-080122T0000Z/
/O.NEW.KMSO.WC.W.0001.080121T0000Z-080122T0000Z/
BUTTE/BLACKFOOT REGION-
453 AM MST SUN JAN 20 2008

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WIND CHILL WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM
MST MONDAY...
...WINTER STORM WARNING IS CANCELLED...
...WIND CHILL ADVISORY NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST
MONDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS
WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELED. THE WIND
CHILL ADVISORY IS NO LONGER IN EFFECT. 

MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY AS AN
ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION. ADDITIONAL
SNOWFALL ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED BY SUNDAY
AFTERNOON. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH
WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND
DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT
CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS.

ALTHOUGH SNOW WILL BE ENDING SUNDAY AFTERNOON...BRISK WINDS WILL
LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 25 TO 35
DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY.

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.

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.

$$

MTZ002-201915-
/O.CAN.KMSO.WS.W.0003.000000T0000Z-080120T1200Z/
/O.NEW.KMSO.WW.Y.0002.080120T1153Z-080121T0000Z/
/O.UPG.KMSO.WC.Y.0001.080120T1200Z-080122T0000Z/
/O.NEW.KMSO.WC.W.0001.080121T0000Z-080122T0000Z/
WEST GLACIER REGION-
453 AM MST SUN JAN 20 2008

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WIND CHILL WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM
MST MONDAY...
...WINTER STORM WARNING IS CANCELLED...
...WIND CHILL ADVISORY NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST
MONDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS
WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELED. THE WIND
CHILL ADVISORY IS NO LONGER IN EFFECT. 

MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY MORNING AS
AN ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION. ADDITIONAL
SNOWFALL ACCUMULATIONS OF 1 TO 2 INCHES ARE EXPECTED SUNDAY MORNING.
IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30 MPH WITH
FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND
DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT
CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS. SNOWFALL WILL
DIMINISH IN THE AFTERNOON BUT CONSIDERABLE BLOWING OF SNOW WILL
PERSIST. 

ALTHOUGH SNOW WILL BE ENDING SUNDAY AFTERNOON...BRISK WINDS WILL
LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 25 TO 35
DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY.

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.

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.

$$

MTZ003-201915-
/O.CAN.KMSO.WS.W.0003.000000T0000Z-080120T1200Z/
/O.NEW.KMSO.WW.Y.0002.080120T1153Z-080121T0000Z/
/O.NEW.KMSO.WC.Y.0002.080121T0000Z-080122T0000Z/
FLATHEAD/MISSION VALLEYS-
453 AM MST SUN JAN 20 2008

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WIND CHILL ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM
MST MONDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. A WIND CHILL ADVISORY HAS ALSO BEEN ISSUED. THIS WIND
CHILL ADVISORY IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST
MONDAY. THE WINTER STORM WARNING HAS BEEN CANCELED. 

MODERATE TO HEAVY SNOWFALL AT TIMES WILL CONTINUE SUNDAY MORNING
AS AN ARCTIC AIRMASS CONTINUES TO MOVE INTO THE REGION.
ADDITIONAL SNOWFALL ACCUMULATIONS OF AROUND 1 INCH ARE EXPECTED
SUNDAY MORNING. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO 30
MPH WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD BLOWING
AND DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE OUT
CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS. SNOWFALL WILL
DIMINISH IN THE AFTERNOON BUT CONSIDERABLE BLOWING OF SNOW WILL
PERSIST. 

ALTHOUGH SNOW WILL BE ENDING THIS AFTERNOON...BRISK WINDS WILL LEAD TO
VERY COLD WIND CHILL VALUES. WIND CHILLS OF 10 TO 20 DEGREES BELOW
ZERO WILL CONTINUE INTO MONDAY.

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.

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.

$$

MTZ001-004-201915-
/O.CAN.KMSO.WS.W.0003.000000T0000Z-080120T1800Z/
/O.COR.KMSO.SB.Y.0004.080120T1200Z-080121T0000Z/
KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION-
453 AM MST SUN JAN 20 2008

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELED. 

SNOW WILL CONTINUE SUNDAY MORNING THEN GRADUALLY DECREASES A LOW PRESSURE
MOVES SOUTH THROUGH IDAHO. ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 3
INCHES ARE EXPECTED SUNDAY MORNING. NORTH TO NORTHEAST WINDS OF 10
TO 20 MPH WITH GUSTS TO 30 MPH WILL CONTINUE INTO SUNDAY CREATING
AREAS OF BLOWING AND DRIFTING SNOW. DRIVING CONDITIONS OVER
LOOKOUT PASS WILL BE MOST EFFECTED.

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

$$

IDZ009-010-201915-
/O.EXB.KMSO.SN.Y.0006.080120T1200Z-080121T0000Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
453 AM MST SUN JAN 20 2008

...SNOW ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. 

TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 5 INCHES IN THE VALLEYS AND
PASSES WITH UP TO 10 INCHES IN THE MOUNTAINS CAN BE EXPECTED
THROUGH EARLY SUNDAY EVENING. LIGHT SNOWFALL WILL BECOME MODERATE
DURING THE MORNING HOURS. EXPECT DIFFICULT DRIVING CONDITIONS
ACROSS LOST TRAIL PASS TODAY.

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

$$

IDZ007-008-201915-
/O.EXT.KMSO.SB.Y.0004.000000T0000Z-080121T0000Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
353 AM PST SUN JAN 20 2008

...SNOW AND BLOWING SNOW ADVISORY NOW IN EFFECT UNTIL 4 PM PST
THIS AFTERNOON...

THE SNOW AND BLOWING SNOW ADVISORY IS NOW IN EFFECT UNTIL 4 PM
PST THIS AFTERNOON. 

SNOW WILL INTENSIFY DURING THE MORNING HOURS AS LOW PRESSURE
MOVES SOUTH THROUGH IDAHO. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7
INCHES CAN BE EXPECTED BY SUNDAY AFTERNOON...ESPECIALLY FROM
OROFINO SOUTHWARD TO GRANGEVILLE. NORTH TO NORTHEAST WINDS OF 10
TO 20 MPH WITH GUSTS TO 30 MPH ARE EXPECTED TODAY CREATING AREAS
OF BLOWING AND DRIFTING SNOW. ADDITIONAL AREAS AFFECTED WILL BE
HIGHWAY 12 OVER WHITEBIRD GRADE WHERE DRIVING CONDITIONS COULD
BECOME HAZARDOUS.

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

$$

IDZ005-006-MTZ006-201915-
/O.EXT.KMSO.SN.Y.0006.000000T0000Z-080121T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
BITTERROOT/SAPPHIRE MOUNTAINS-
453 AM MST SUN JAN 20 2008 /353 AM PST SUN JAN 20 2008/

...SNOW ADVISORY NOW IN EFFECT UNTIL 5 PM MST /4 PM PST/ THIS
AFTERNOON...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 5 PM MST /4 PM PST/ THIS
AFTERNOON. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES IN THE VALLEYS AND
PASSES WITH UP TO 12 INCHES IN THE MOUNTAINS CAN BE EXPECTED
SUNDAY. LIGHT TO MODERATE WILL CONTINUE OVER THE NORTHERN
CLEARWATER MOUNTAINS...THE HIGHWAY 12 CORRIDOR INCLUDING LOLO PASS
THROUGHOUT THE DAY SUNDAY. 

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 201803
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1103 AM MST SUN JAN 20 2008

.A STRONG ARCTIC PUSH OF AIR CLASHING WITH A LOW PRESSURE SYSTEM
DROPPING SOUTH FROM CANADA WILL CONTINUE TO PRODUCE SNOWFALL AND
STRONG AND GUSTY NORTHEAST TO EAST WINDS TODAY PRODUCING SNOW AND
BLOWING SNOW. THE BIGGEST CONCERN ASSOCIATED WITH THIS SYSTEM WILL
CONTINUE TO BE AREAS OF WHITE OUT CONDITIONS AT TIMES. IN
ADDITION...THESE INTENSE EAST TO NORTHEAST WINDS WILL USHER A
BITTERLY COLD AIR MASS INTO WESTERN MONTANA...CREATING DANGEROUSLY
COLD WIND CHILL VALUES THIS AFTERNOON THROUGH MONDAY.

IDZ007-008-210000-
/O.CAN.KMSO.SB.Y.0004.000000T0000Z-080121T0000Z/
/O.EXA.KMSO.SN.Y.0006.000000T0000Z-080121T0000Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
1003 AM PST SUN JAN 20 2008

...SNOW ADVISORY IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...
...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. THE
SNOW AND BLOWING SNOW ADVISORY HAS BEEN CANCELLED. 

TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED BY
THIS AFTERNOON...ESPECIALLY FROM OROFINO SOUTHWARD TO GRANGEVILLE.
NORTH TO NORTHEAST WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH ARE
EXPECTED TODAY CREATING AREAS OF BLOWING AND DRIFTING SNOW.
ADDITIONAL AREAS AFFECTED WILL BE HIGHWAY 12 OVER WHITEBIRD GRADE
WHERE DRIVING CONDITIONS COULD BECOME HAZARDOUS.

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.

$$

MTZ003-210215-
/O.CAN.KMSO.WW.Y.0002.000000T0000Z-080121T0000Z/
/O.EXT.KMSO.WC.Y.0002.080120T1803Z-080122T0000Z/
FLATHEAD/MISSION VALLEYS-
1103 AM MST SUN JAN 20 2008

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 5 PM MST MONDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER
WEATHER ADVISORY. THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL
5 PM MST MONDAY. 

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL
VALUES. WIND CHILLS OF 10 TO 20 DEGREES BELOW ZERO WILL CONTINUE
INTO MONDAY.

WINDS WILL ALSO CREATE ISOLATED BLOWING AND DRIFTING OF SNOW
REDUCING VISIBILITY.

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.

$$

MTZ005-210215-
/O.CAN.KMSO.WW.Y.0002.000000T0000Z-080121T0000Z/
/O.EXT.KMSO.WC.Y.0002.080120T1803Z-080122T0000Z/
MISSOULA/BITTERROOT VALLEYS-
1103 AM MST SUN JAN 20 2008

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 5 PM MST MONDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER
WEATHER ADVISORY. THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL
5 PM MST MONDAY. 

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL
VALUES. WIND CHILLS OF 10 TO 15 DEGREES BELOW ZERO WILL CONTINUE
INTO MONDAY.

WINDS WILL ALSO CREATE ISOLATED BLOWING AND DRIFTING OF SNOW
REDUCING VISIBILITY.

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.

$$

MTZ001-201915-
/O.CAN.KMSO.SB.Y.0004.000000T0000Z-080121T0000Z/
KOOTENAI/CABINET REGION-
1103 AM MST SUN JAN 20 2008

...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE SNOW
AND BLOWING SNOW ADVISORY. ISOLATED BLOWING AND DRIFTING SNOW MAY
CONTINUE AS EAST WINDS OF 10 TO 20 MPH CONTINUE...BUT THIS SHOULD
NOT POSE A HAZARD.

$$

MTZ002-007-043-210215-
/O.CON.KMSO.WC.W.0001.080121T0000Z-080122T0000Z/
/O.CON.KMSO.WW.Y.0002.000000T0000Z-080121T0000Z/
WEST GLACIER REGION-BUTTE/BLACKFOOT REGION-
POTOMAC/SEELEY LAKE REGION-
1103 AM MST SUN JAN 20 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WIND CHILL WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO 5 PM MST MONDAY...

A WIND CHILL WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO 5 PM MST MONDAY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT
UNTIL 5 PM MST THIS AFTERNOON. 

ADDITIONAL SNOWFALL ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED
BY THIS AFTERNOON. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO
30 MPH WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD
BLOWING AND DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE
OUT CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS.

ALTHOUGH SNOW WILL BE ENDING LATE THIS AFTERNOON...BRISK WINDS
WILL LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 25 TO 35
DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY.

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.

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.

$$

MTZ004-210000-
/O.CON.KMSO.SB.Y.0004.000000T0000Z-080121T0000Z/
LOWER CLARK FORK REGION-
1103 AM MST SUN JAN 20 2008

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM
MST THIS AFTERNOON...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
THIS AFTERNOON. 

SNOW WILL CONTINUE THROUGH MIDDAY THEN GRADUALLY DECREASE AS A
LOW PRESSURE MOVES SOUTH THROUGH IDAHO. ADDITIONAL SNOW
ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED. NORTH TO NORTHEAST
WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH WILL CONTINUE CREATING
AREAS OF BLOWING AND DRIFTING SNOW. DRIVING CONDITIONS OVER
LOOKOUT PASS WILL BE MOST EFFECTED.

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

$$

IDZ005-006-MTZ006-210000-
/O.CON.KMSO.SN.Y.0006.000000T0000Z-080121T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
BITTERROOT/SAPPHIRE MOUNTAINS-
1103 AM MST SUN JAN 20 2008 /1003 AM PST SUN JAN 20 2008/

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST /4 PM PST/ THIS
AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST /4 PM PST/ THIS
AFTERNOON. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES IN THE VALLEYS AND
PASSES WITH UP TO 12 INCHES IN THE MOUNTAINS CAN BE EXPECTED
TODAY. LIGHT TO MODERATE SNOW WILL CONTINUE OVER THE NORTHERN
CLEARWATER MOUNTAINS AND THE HIGHWAY 12 CORRIDOR INCLUDING LOLO
PASS THROUGHOUT THE DAY. BREEZY NORTHEAST WINDS WILL CREATE LOCAL
BLOWING AND DRIFTING 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.

$$

IDZ009-010-210000-
/O.CON.KMSO.SN.Y.0006.000000T0000Z-080121T0000Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
1103 AM MST SUN JAN 20 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

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

TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES IN THE VALLEYS AND
PASSES WITH UP TO 10 INCHES IN THE MOUNTAINS CAN BE EXPECTED
THROUGH EARLY THIS EVENING. BREEZY NORTH WINDS WILL CREATE LOCAL
BLOWING AND DRIFTING SNOW AT TIMES. EXPECT DIFFICULT DRIVING
CONDITIONS ACROSS LOST TRAIL PASS TODAY.

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 202148
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
248 PM MST SUN JAN 20 2008

MTZ004-210600-
/O.CAN.KMSO.SB.Y.0004.000000T0000Z-080121T0000Z/
/O.EXB.KMSO.WC.Y.0002.080121T0000Z-080122T0000Z/
LOWER CLARK FORK REGION-
248 PM MST SUN JAN 20 2008

...WIND CHILL ADVISORY IN EFFECT UNTIL 5 PM MST MONDAY...
...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST MONDAY. THE SNOW AND
BLOWING SNOW ADVISORY HAS BEEN CANCELLED. 

BRISK NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES
THROUGH MONDAY AFTERNOON. WIND CHILLS OF 10 TO 20 DEGREES BELOW
ZERO ARE EXPECTED.

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.

$$

MTZ002-210600-
/O.CAN.KMSO.WW.Y.0002.000000T0000Z-080121T0000Z/
/O.EXT.KMSO.WC.W.0001.080120T2200Z-080122T0000Z/
WEST GLACIER REGION-
248 PM MST SUN JAN 20 2008

...WIND CHILL WARNING NOW IN EFFECT UNTIL 5 PM MST MONDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER
WEATHER ADVISORY. THE WIND CHILL WARNING IS NOW IN EFFECT UNTIL
5 PM MST MONDAY. 

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES
THROUGH MONDAY AFTERNOON. WIND CHILLS OF 25 TO 35 DEGREES BELOW
ZERO ARE EXPECTED.

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.

$$

MTZ007-043-210600-
/O.CON.KMSO.WC.W.0001.080121T0000Z-080122T0000Z/
/O.CON.KMSO.WW.Y.0002.000000T0000Z-080121T0000Z/
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
248 PM MST SUN JAN 20 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. A
WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 

ADDITIONAL SNOWFALL ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED
BY THIS AFTERNOON. IN ADDITION...EAST TO NORTHEAST WINDS OF 20 TO
30 MPH WITH FREQUENT GUSTS TO 40 MPH WILL CREATE WIDESPREAD
BLOWING AND DRIFTING OF SNOW AND REDUCED VISIBILITY. LOCAL WHITE
OUT CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS.

ALTHOUGH SNOW WILL BE ENDING LATE THIS AFTERNOON...BRISK WINDS
WILL LEAD TO VERY COLD WIND CHILL VALUES. WIND CHILLS OF 25 TO
35 DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY.

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.

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.

$$

MTZ006-210600-
/O.EXB.KMSO.WC.Y.0002.080121T0000Z-080122T0000Z/
/O.CON.KMSO.SN.Y.0006.000000T0000Z-080121T0000Z/
BITTERROOT/SAPPHIRE MOUNTAINS-
248 PM MST SUN JAN 20 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WIND CHILL ADVISORY IN EFFECT UNTIL 5 PM MST MONDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST MONDAY. A SNOW
ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. 

ALTHOUGH SNOW WILL BE ENDING LATE THIS AFTERNOON...BRISK WINDS
WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. LOCAL WHITE
OUT CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS.

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES
THROUGH MONDAY AFTERNOON. WIND CHILLS OF 10 TO 20 DEGREES BELOW
ZERO ARE EXPECTED.

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.

$$

IDZ009-010-210600-
/O.EXB.KMSO.WC.Y.0002.080121T0000Z-080122T0000Z/
/O.CON.KMSO.SN.Y.0006.000000T0000Z-080121T0000Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
248 PM MST SUN JAN 20 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WIND CHILL ADVISORY IN EFFECT UNTIL 5 PM MST MONDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST MONDAY. A SNOW
ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. 

ALTHOUGH SNOW WILL BE ENDING LATE THIS AFTERNOON...BRISK WINDS
WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. LOCAL WHITE
OUT CONDITIONS CAN BE EXPECTED ACROSS OPEN ROADWAYS.

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES
THROUGH MONDAY AFTERNOON. WIND CHILLS OF 10 TO 20 DEGREES BELOW
ZERO ARE EXPECTED.

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.

$$

MTZ001-210600-
/O.EXB.KMSO.WC.Y.0002.080121T0000Z-080122T0000Z/
KOOTENAI/CABINET REGION-
248 PM MST SUN JAN 20 2008

...WIND CHILL ADVISORY IN EFFECT UNTIL 5 PM MST MONDAY...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST MONDAY. 

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES
THROUGH MONDAY AFTERNOON. WIND CHILLS OF 10 TO 20 DEGREES BELOW
ZERO ARE EXPECTED.

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.

$$

IDZ005-006-210000-
/O.CON.KMSO.SN.Y.0006.000000T0000Z-080121T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
148 PM PST SUN JAN 20 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES IN THE VALLEYS AND
PASSES WITH UP TO 12 INCHES IN THE MOUNTAINS CAN BE EXPECTED
TODAY. LIGHT TO MODERATE SNOW WILL CONTINUE OVER THE NORTHERN
CLEARWATER MOUNTAINS AND THE HIGHWAY 12 CORRIDOR INCLUDING LOLO
PASS THROUGHOUT THE DAY. BREEZY NORTHEAST WINDS WILL CREATE LOCAL
BLOWING AND DRIFTING 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.

$$

IDZ007-008-210000-
/O.CON.KMSO.SN.Y.0006.000000T0000Z-080121T0000Z/
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
148 PM PST SUN JAN 20 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. 

TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED BY
THIS AFTERNOON...ESPECIALLY FROM OROFINO SOUTHWARD TO
GRANGEVILLE. NORTH TO NORTHEAST WINDS OF 10 TO 20 MPH WITH GUSTS
TO 30 MPH ARE EXPECTED TODAY CREATING AREAS OF BLOWING AND
DRIFTING SNOW. ADDITIONAL AREAS AFFECTED WILL BE HIGHWAY 12 OVER
WHITEBIRD GRADE WHERE DRIVING CONDITIONS COULD BECOME HAZARDOUS.

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.

$$

MTZ003-210600-
/O.CON.KMSO.WC.Y.0002.000000T0000Z-080122T0000Z/
FLATHEAD/MISSION VALLEYS-
248 PM MST SUN JAN 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. 

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES
THROUGH MONDAY AFTERNOON. WIND CHILLS OF 10 TO 20 DEGREES BELOW
ZERO ARE EXPECTED.

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.

$$

MTZ005-210600-
/O.CON.KMSO.WC.Y.0002.000000T0000Z-080122T0000Z/
MISSOULA/BITTERROOT VALLEYS-
248 PM MST SUN JAN 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. 

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL
VALUES THROUGH MONDAY AFTERNOON. WIND CHILLS OF 10 TO 20 DEGREES
BELOW ZERO ARE EXPECTED.

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.

$$
000 
WWUS45 KMSO 202359
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
459 PM MST SUN JAN 20 2008

IDZ009-010-MTZ006-210800-
/O.CAN.KMSO.SN.Y.0006.000000T0000Z-080121T0000Z/
/O.CON.KMSO.WC.Y.0002.080121T0000Z-080122T0000Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
BITTERROOT/SAPPHIRE MOUNTAINS-
459 PM MST SUN JAN 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...
...SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELED THE SNOW
ADVISORY. A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
MONDAY. 

SNOW WILL GRADUALLY TAPER OFF THROUGHOUT THE EVENING. HOWEVER BRISK
WINDS WILL CONTINUE TO CREATE LOCAL AREAS OF BLOWING AND DRIFTING
SNOW OVERNIGHT...ESPECIALLY IN EXPOSED LOCATIONS.

ADDITIONALLY...BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY
COLD WIND CHILL VALUES THROUGH MONDAY AFTERNOON. POTENTIALLY DANGEROUS
WIND CHILLS OF 10 TO 20 DEGREES BELOW ZERO ARE EXPECTED.

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>008-210100-
/O.CAN.KMSO.SN.Y.0006.000000T0000Z-080121T0000Z/
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-
359 PM PST SUN JAN 20 2008

...SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELED THE SNOW
ADVISORY. ALTHOUGH PERIODIC SNOW SHOWERS WILL PERSIST THROUGH THE
EARLY EVENING...THE HEAVIEST SNOWFALL APPEARS TO BE OVER. BRIST
NORTHERLY WINDS WILL HOWEVER CREATE AREAS OF BLOWING AND DRIFTING
SNOW OVERNIGHT...ESPECIALLY ACROSS OPEN OR EXPOSED LOCATIONS.

$$

MTZ007-043-210800-
/O.EXT.KMSO.WW.Y.0002.000000T0000Z-080121T0300Z/
/O.CON.KMSO.WC.W.0001.080121T0000Z-080122T0000Z/
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
459 PM MST SUN JAN 20 2008

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 8 PM MST THIS
EVENING...
...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 8 PM MST THIS
EVENING. A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 PM MST
MONDAY. 

ONE MORE BURST OF SNOWFALL APPEARS LIKELY BEFORE GRADUALLY
SUBSIDING LATER THIS EVENING. ADDITIONAL SNOWFALL ACCUMULATIONS
OF UP TO 2 INCHES ARE EXPECTED BY 8PM TONIGHT. IN ADDITION...EAST
TO NORTHEAST WINDS OF 10 TO 20 MPH WITH OCCASIONAL GUSTS AROUND 30
MPH WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW AND REDUCED
VISIBILITY...ESPECIALLY ACROSS OPEN AND EXPOSED LOCATIONS.

ALTHOUGH SNOW WILL BE ENDING LATER THIS EVENING...BRISK WINDS
WILL LEAD TO VERY COLD WIND CHILL VALUES. DANGEROUS WIND CHILLS
OF 25 TO 35 DEGREES BELOW ZERO WILL CONTINUE INTO MONDAY.

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.

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.

$$

MTZ002-210800-
/O.CON.KMSO.WC.W.0001.000000T0000Z-080122T0000Z/
WEST GLACIER REGION-
459 PM MST SUN JAN 20 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. 

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL
VALUES THROUGH MONDAY AFTERNOON. DANGEROUS WIND CHILLS OF 25 TO
35 DEGREES BELOW ZERO ARE EXPECTED.

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.

$$

MTZ003-210800-
/O.CON.KMSO.WC.Y.0002.000000T0000Z-080122T0000Z/
FLATHEAD/MISSION VALLEYS-
459 PM MST SUN JAN 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. 

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL
VALUES THROUGH MONDAY AFTERNOON. POTENTIALLY DANGEROUS WIND
CHILLS OF 10 TO 20 DEGREES BELOW ZERO ARE EXPECTED.

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.

$$

MTZ005-210800-
/O.CON.KMSO.WC.Y.0002.000000T0000Z-080122T0000Z/
MISSOULA/BITTERROOT VALLEYS-
459 PM MST SUN JAN 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. 

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL
VALUES THROUGH MONDAY AFTERNOON. POTENTIALLY DANGEROUS WIND
CHILLS OF 10 TO 20 DEGREES BELOW ZERO ARE EXPECTED.

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.

$$

MTZ001-004-210800-
/O.CON.KMSO.WC.Y.0002.080121T0000Z-080122T0000Z/
KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION-
459 PM MST SUN JAN 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. 

BRISK NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL VALUES
THROUGH MONDAY AFTERNOON. POTENTIALLY DANGEROUS WIND CHILLS OF 10
TO 20 DEGREES BELOW ZERO ARE EXPECTED.

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.

$$
000 
WWUS45 KMSO 210243
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
743 PM MST SUN JAN 20 2008

MTZ007-043-211045-
/O.CAN.KMSO.WW.Y.0002.000000T0000Z-080121T0300Z/
/O.CON.KMSO.WC.W.0001.000000T0000Z-080122T0000Z/
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
743 PM MST SUN JAN 20 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER
WEATHER ADVISORY. A WIND CHILL WARNING REMAINS IN EFFECT UNTIL
5 PM MST MONDAY. 

LIGHT SNOW WILL CONTINUE TO FALL UNTIL ABOUT MIDNIGHT BUT THE RISK
OF HEAVY SNOW HAS PASSED. THUS THE WINTER WEATHER ADVISORY HAS
BEEN CANCELLED. BRISK WINDS OVERNIGHT WILL LEAD TO VERY COLD WIND
CHILL VALUES. DANGEROUS WIND CHILLS OF 25 TO 35 DEGREES BELOW ZERO
WILL CONTINUE INTO MONDAY. FROSTBITE COULD OCCUR IF SKIN IS LEFT
EXPOSED TO THE ELEMENTS FOR 30 MINUTES.

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.

$$

MTZ002-211045-
/O.CON.KMSO.WC.W.0001.000000T0000Z-080122T0000Z/
WEST GLACIER REGION-
743 PM MST SUN JAN 20 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. 

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL
VALUES THROUGH MONDAY AFTERNOON. DANGEROUS WIND CHILLS OF 25 TO
35 DEGREES BELOW ZERO ARE EXPECTED. FROSTBITE COULD OCCUR IF SKIN
IS LEFT EXPOSED TO THE ELEMENTS FOR 30 MINUTES.

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.

$$

MTZ003-211045-
/O.CON.KMSO.WC.Y.0002.000000T0000Z-080122T0000Z/
FLATHEAD/MISSION VALLEYS-
743 PM MST SUN JAN 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. 

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL
VALUES THROUGH MONDAY AFTERNOON. POTENTIALLY DANGEROUS WIND
CHILLS OF 10 TO 20 DEGREES BELOW ZERO ARE EXPECTED.

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.

$$

MTZ005-211045-
/O.CON.KMSO.WC.Y.0002.000000T0000Z-080122T0000Z/
MISSOULA/BITTERROOT VALLEYS-
743 PM MST SUN JAN 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. 

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL
VALUES THROUGH MONDAY AFTERNOON. POTENTIALLY DANGEROUS WIND
CHILLS OF 15 TO 25 DEGREES BELOW ZERO ARE EXPECTED. FROSTBITE 
COULD OCCUR IF SKIN IS LEFT EXPOSED TO THE ELEMENTS FOR 30
MINUTES.

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.

$$

IDZ009-010-MTZ001-004-006-211045-
/O.CON.KMSO.WC.Y.0002.000000T0000Z-080122T0000Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-KOOTENAI/CABINET REGION-
LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS-
743 PM MST SUN JAN 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. 

SNOW WILL GRADUALLY TAPER OFF THROUGHOUT THE EVENING. HOWEVER
BRISK WINDS WILL CONTINUE TO CREATE LOCAL AREAS OF BLOWING AND
DRIFTING SNOW OVERNIGHT...ESPECIALLY IN EXPOSED LOCATIONS.

ADDITIONALLY...BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY
COLD WIND CHILL VALUES THROUGH MONDAY AFTERNOON. POTENTIALLY
DANGEROUS WIND CHILLS OF 10 TO 20 DEGREES BELOW ZERO ARE
EXPECTED.

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.

$$
000 
WWUS45 KMSO 210545
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1045 PM MST SUN JAN 20 2008

MTZ003-006-211300-
/O.UPG.KMSO.WC.Y.0002.000000T0000Z-080122T0000Z/
/O.EXA.KMSO.WC.W.0001.000000T0000Z-080122T0000Z/
FLATHEAD/MISSION VALLEYS-BITTERROOT/SAPPHIRE MOUNTAINS-
1045 PM MST SUN JAN 20 2008

...WIND CHILL WARNING IN EFFECT UNTIL 5 PM MST MONDAY...
...WIND CHILL ADVISORY NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL 5 PM MST MONDAY. THE WIND
CHILL ADVISORY IS NO LONGER IN EFFECT. 

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL
VALUES THROUGH MONDAY AFTERNOON. DANGEROUS WIND CHILLS OF 20 TO
30 DEGREES BELOW ZERO ARE EXPECTED...ESPECIALLY NEAR NARROW
CANYONS ALONG THE EASTERN AND SOUTHERN MOUNTAINS. WHERE WIND CAN
BE FUNNELED. WIND CHILL VALUES THIS LOW CAN LEAD TO FROSTBITE IF
SKIN IS LEFT EXPOSED TO THE ELEMENTS FOR 30 MINUTES.

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.

$$

MTZ005-211300-
/O.UPG.KMSO.WC.Y.0002.000000T0000Z-080122T0000Z/
/O.EXA.KMSO.WC.W.0001.000000T0000Z-080122T0000Z/
MISSOULA/BITTERROOT VALLEYS-
1045 PM MST SUN JAN 20 2008

...WIND CHILL WARNING IN EFFECT UNTIL 5 PM MST MONDAY...
...WIND CHILL ADVISORY NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL 5 PM MST MONDAY. THE WIND
CHILL ADVISORY IS NO LONGER IN EFFECT. 

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL
VALUES THROUGH MONDAY AFTERNOON. DANGEROUS WIND CHILLS OF 20 TO 30 
DEGREES BELOW ZERO ARE EXPECTED...ESPECIALLY NEAR NARROW CANYONS
WHERE WINDS CAN BE FUNNELED. WIND CHILL VALUES THIS LOW CAN LEAD
TO FROSTBITE IF SKIN IS LEFT EXPOSED TO THE ELEMENTS FOR 30
MINUTES.

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.

$$

MTZ007-043-211300-
/O.CON.KMSO.WC.W.0001.000000T0000Z-080122T0000Z/
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
1045 PM MST SUN JAN 20 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. 

BRISK WINDS OVERNIGHT WILL LEAD TO VERY COLD WIND CHILL VALUES.
DANGEROUS WIND CHILLS OF 20 TO 40 DEGREES BELOW ZERO WILL CONTINUE
INTO MONDAY. FROSTBITE CAN OCCUR IF SKIN IS LEFT EXPOSED TO THE
ELEMENTS FOR AS LITTLE AS 10 MINUTES.

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.

$$

MTZ002-211300-
/O.CON.KMSO.WC.W.0001.000000T0000Z-080122T0000Z/
WEST GLACIER REGION-
1045 PM MST SUN JAN 20 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. 

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL
VALUES THROUGH MONDAY AFTERNOON. DANGEROUS WIND CHILLS OF 25 TO
40 DEGREES BELOW ZERO ARE EXPECTED. FROSTBITE CAN OCCUR IF SKIN IS
LEFT EXPOSED TO THE ELEMENTS FOR AS LITTLE AS 10 MINUTES.

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-MTZ001-004-211300-
/O.CON.KMSO.WC.Y.0002.000000T0000Z-080122T0000Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-KOOTENAI/CABINET REGION-
LOWER CLARK FORK REGION-
1045 PM MST SUN JAN 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. 

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL
VALUES THROUGH MONDAY AFTERNOON. POTENTIALLY DANGEROUS WIND CHILLS
OF 10 TO 20 DEGREES BELOW ZERO ARE EXPECTED. LOCAL AREAS COULD SEE
WIND CHILL VALUES AS LOW AS 25 DEGREES BELOW ZERO. FROSTBITE CAN
OCCUR IF SKIN IS LEFT EXPOSED TO THE ELEMENTS FOR 30 MINUTES.

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.

$$
000 
WWUS45 KMSO 211027
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
327 AM MST MON JAN 21 2008

MTZ006-007-043-211800-
/O.EXT.KMSO.WC.W.0001.000000T0000Z-080121T1800Z/
BITTERROOT/SAPPHIRE MOUNTAINS-BUTTE/BLACKFOOT REGION-
POTOMAC/SEELEY LAKE REGION-
327 AM MST MON JAN 21 2008

...WIND CHILL WARNING NOW IN EFFECT UNTIL 11 AM MST THIS
MORNING...

BRISK WINDS THIS MORNING WILL LEAD TO VERY COLD WIND CHILL VALUES.
DANGEROUS WIND CHILLS OF 20 TO 30 DEGREES BELOW ZERO WILL
CONTINUE INTO THIS MORNING. LOCAL AREAS COULD SEE WIND CHILL
VALUES AS LOW AS 40 DEGREES BELOW ZERO ESPECIALLY AROUND THE BUTTE
REGION. FROSTBITE CAN OCCUR IF SKIN IS LEFT EXPOSED TO THE
ELEMENTS FOR AS LITTLE AS 10 MINUTES.

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.

$$

MTZ003-005-211800-
/O.EXT.KMSO.WC.W.0001.000000T0000Z-080121T1800Z/
FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS-
327 AM MST MON JAN 21 2008

...WIND CHILL WARNING NOW IN EFFECT UNTIL 11 AM MST THIS
MORNING...

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL
VALUES THROUGH THIS MORNING. DANGEROUS WIND CHILLS OF 15 TO 25
DEGREES BELOW ZERO ARE EXPECTED...ESPECIALLY NEAR NARROW CANYONS
ALONG THE EASTERN AND SOUTHERN MOUNTAINS WHERE WIND CAN BE
FUNNELED. WIND CHILL VALUES THIS LOW CAN LEAD TO FROSTBITE IF SKIN
IS LEFT EXPOSED TO THE ELEMENTS FOR 30 MINUTES.

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.

$$

MTZ002-211800-
/O.EXT.KMSO.WC.W.0001.000000T0000Z-080121T1800Z/
WEST GLACIER REGION-
327 AM MST MON JAN 21 2008

...WIND CHILL WARNING NOW IN EFFECT UNTIL 11 AM MST THIS
MORNING...

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL
VALUES THROUGH MONDAY AFTERNOON. DANGEROUS WIND CHILLS OF 20 TO 30
DEGREES BELOW ZERO ARE EXPECTED. FROSTBITE CAN OCCUR IF SKIN IS
LEFT EXPOSED TO THE ELEMENTS FOR 30 MINUTES.

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-MTZ001-004-211800-
/O.EXT.KMSO.WC.Y.0002.000000T0000Z-080121T1800Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-KOOTENAI/CABINET REGION-
LOWER CLARK FORK REGION-
327 AM MST MON JAN 21 2008

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 11 AM MST THIS
MORNING...

BRISK EAST TO NORTHEAST WINDS WILL LEAD TO VERY COLD WIND CHILL
VALUES THROUGH MONDAY AFTERNOON. POTENTIALLY DANGEROUS WIND CHILLS
OF 10 TO 20 DEGREES BELOW ZERO ARE EXPECTED. LOCAL AREAS COULD SEE
WIND CHILL VALUES AS LOW AS 25 DEGREES BELOW ZERO. FROSTBITE CAN
OCCUR IF SKIN IS LEFT EXPOSED TO THE ELEMENTS FOR 30 MINUTES.

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.

$$
000 
WWUS45 KMSO 211700
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1000 AM MST MON JAN 21 2008


MTZ002-003-005>007-043-211800-
/O.CAN.KMSO.WC.W.0001.000000T0000Z-080121T1800Z/
WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS-
MISSOULA/BITTERROOT VALLEYS-BITTERROOT/SAPPHIRE MOUNTAINS-
BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-
1000 AM MST MON JAN 21 2008

...WIND CHILL WARNING IS CANCELLED...

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

ALTHOUGH TEMPERATURES REMAIN WELL BELOW ZERO IN MANY LOCATIONS
ACROSS WESTERN MONTANA THIS MORNING...WINDS HAVE DIMINISHED TO LESS
THAN 10 MPH. THUS...THE WIND CHILL WARNING HAS BEEN CANCELLED.

A FEW LOCATIONS THROUGH THE GAPS OF THE CONTINENTAL DIVIDE MAY STILL
EXPERIENCE WIND GUSTS ABOVE 10 MPH RESULTING IN WIND CHILLS 20 TO
30 BELOW ZERO BRIEFLY THIS MORNING.
 
$$

IDZ009-010-MTZ001-004-211745-
/O.CAN.KMSO.WC.Y.0002.000000T0000Z-080121T1800Z/
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-KOOTENAI/CABINET REGION-
LOWER CLARK FORK REGION-
1000 AM MST MON JAN 21 2008

...WIND CHILL ADVISORY IS CANCELLED...

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

ALTHOUGH TEMPERATURES REMAIN WELL BELOW ZERO IN MANY LOCATIONS
ACROSS WESTERN MONTANA...WINDS HAVE DIMINISHED TO LESS THAN 10
MPH.

$$

What forecasters said that day

The local office's own words before this wind chill 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 wind chill advisory went out at Jan 20, 3:59 AM MST, 49 minutes earlier.

Area forecast discussion, Jan 20, 3:59 AM MST, 49 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
359 AM MST SUN JAN 20 2008

...DANGEROUS WINTER STORM CONTINUES ACROSS WESTERN MONTANA INTO
NORTHCENTRAL IDAHO. NUMEROUS WINTER WEATHER HIGHLIGHTS ARE IN
EFFECT. PLEASE SEE WWW.WEATHER.GOV/MISSOULA OR GTFWSWMSO FOR
DETAILS...

...WIDESPREAD SNOW AND BLOWING SNOW TODAY FOLLOWED BY BITTERLY COLD
TEMPERATURES AND DANGEROUS WIND CHILLS SUNDAY EVENING AND MONDAY.
LOCAL WHITEOUT CONDITIONS ARE POSSIBLE SUNDAY...

.DISCUSSION...WELL DEFINED DEFORMATION ZONE HAS DEVELOPED OVERNIGHT AS A
STRONG UPPER LEVEL LOW MOVING IN FROM BRITISH COLUMBIA HAS
CONVERGED WITH AN DEEP ARCTIC AIR MASS MOVING IN FROM ALBERTA
CANADA. THIS CONVERGENCE HAS CREATED VERY TIGHT PRESSURE GRADIENTS
RESULTING IN STRONG GUSTY NORTHEAST WINDS. THESE WINDS WITH
SNOWFALL FROM THE LOW PRESSURE SYSTEM WILL CONTINUE TO CREATE
WIDESPREAD WINTER WEATHER HAZARDS TODAY ACROSS ALL OF THE NORTHERN
ROCKIES.

THE LOW AND ASSOCIATED DEFORMATION ZONE WILL SLOWLY MOVE SOUTH DURING
THE COURSE OF THE DAY...SPREADING SNOW AND STRONG WINDS THROUGH
NORTH CENTRAL AND EAST CENTRAL IDAHO BY LATE THIS MORNING THROUGH
THE AFTERNOON HOURS. THE STRENGTH OF THE DEFORMATION ZONE AND
WILL WEAKEN SLIGHTLY AS IT MOVES SOUTH. SNOWFALL WILL DECREASE
FROM NORTHWEST MONTANA TO SOUTHWEST MONTANA DURING THE DAY...BUT
STRONG NORTHEAST WINDS WILL CONTINUE TO PRODUCE BLOWING SNOW
REDUCING VISIBILITIES TO NEAR WHITEOUT CONDITIONS AT TIMES.

THE LOW PRESSURE SYSTEM WILL CONTINUE TO THE SOUTH TONIGHT. THE BEST
CHANCE FOR PRECIPITATION WILL BE SOUTH OF THE LINE FROM LOOKOUT
PASSES TO HELENA. THE MAIN CONCERN FOR TONIGHT WILL BE THE WIND
CHILLS EXPERIENCED ACROSS WESTERN MONTANA. THE MODELS ARE STILL
INDICATING THAT THE ARCTIC AIR WILL CONTINUE TO FILTER INTO THE
VALLEYS THROUGH MONDAY. THIS AIR BEING USHER INTO THE REGION WILL
CAUSE GUSTY EASTERLY WINDS. THE COMBINATION OF WINDS AND ARCTIC AIR
IS EXPECTED TO CAUSE WIND CHILL VALUES AROUND 20 BELOW TO 30 BELOW
ZERO IN THE VALLEYS ALONG THE CONTINENTAL DIVIDE TONIGHT THROUGH
MONDAY AFTERNOON. THE FLATHEAD AND MISSION VALLEYS AND THE MISSOULA
AND BITTERROOT VALLEYS COULD EXPERIENCE WIND CHILLS AROUND 15 BELOW
ZERO TONIGHT. THE WINDS ARE EXPECTED TO DIMINISH DURING THE
AFTERNOON AND EVENING HOURS ON MONDAY.

WITH CLEARING SKIES AND WIND BECOMING CALM...TEMPERATURES SHOULD BE
ABLE TO DROP TO THEIR COLDEST READING THIS WINTER. MOST LOCATIONS
SHOULD BE WELL BELOW ZERO BY TUESDAY MORNING...EXCEPT FOR THE LOW
VALLEYS IN NORTH CENTRAL IDAHO. A WEAK RIDGE OF HIGH PRESSURE WILL
BUILD OVER THE REGION TUESDAY THROUGH THURSDAY. THIS RIDGE SHOULD
ALLOW FOR THE DEVELOPMENT OF VALLEY FOG DURING THE OVERNIGHT HOURS.
TEMPERATURES DURING THIS TIME FRAME APPEAR TO REMAIN WELL BELOW
SEASON NORMALS.

THE MODELS ARE STILL INDICATING ANOTHER SYSTEM SWEEPING THROUGH THE
REGION FRIDAY AND ON INTO THE WEEKEND. THE STRENGTH AND TIMING OF
THIS SYSTEM IS STILL UNCERTAIN...BUT HAVE TRENDED THE CHANCE FOR
PRECIPITATION CLOSER TO CLIMATOLOGY. THIS SYSTEM SHOULD SCOUR OUT
SOME OF THE COLD AIR THAT IS TRAPPED IN THE VALLEYS.

&&

.AVIATION...A STRONG ARCTIC SYSTEM WILL PRODUCE MODERATE TO HEAVY
SNOW AND STRONG NORTHEAST WINDS THROUGHOUT THE REGION TODAY.
EXPECT THESE WINDS TO CONTINUE AFFECTING TERMINALS AND FLIGHT
ROUTES OVERNIGHT THROUGH MUCH OF SUNDAY WITH WIDESPREAD BLOWING
AND DRIFTING OF SNOW MOUNTAIN OBSCURATIONS AND LOWERING
VISIBILITIES AT TIMES.

&&

.MSO WATCHES/WARNINGS/ADVISORIES...
MT...WINTER WEATHER ADVISORY UNTIL 5 PM MST THIS AFTERNOON FOR
     BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-WEST
     GLACIER REGION.

     WIND CHILL WARNING FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY
     FOR BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION-WEST
     GLACIER REGION.

     SNOW ADVISORY UNTIL 5 PM MST THIS AFTERNOON FOR
     BITTERROOT/SAPPHIRE MOUNTAINS.

     WINTER WEATHER ADVISORY UNTIL 5 PM MST THIS AFTERNOON FOR
     MISSOULA/BITTERROOT VALLEYS.

     WIND CHILL ADVISORY FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY
     FOR MISSOULA/BITTERROOT VALLEYS.

     SNOW AND BLOWING SNOW ADVISORY UNTIL 5 PM MST THIS AFTERNOON FOR
     KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION.

     WINTER WEATHER ADVISORY UNTIL 5 PM MST THIS AFTERNOON FOR
     FLATHEAD/MISSION VALLEYS.

     WIND CHILL ADVISORY FROM 5 PM THIS AFTERNOON TO 5 PM MST MONDAY
     FOR FLATHEAD/MISSION VALLEYS.

ID...SNOW ADVISORY UNTIL 5 PM MST THIS AFTERNOON FOR EASTERN LEMHI
     COUNTY-WESTERN LEMHI COUNTY.

     SNOW ADVISORY UNTIL 4 PM PST THIS AFTERNOON FOR NORTHERN
     CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS.

     SNOW AND BLOWING SNOW ADVISORY UNTIL 4 PM PST THIS AFTERNOON FOR
     LOWER HELLS CANYON/SALMON RIVER REGION-OROFINO/GRANGEVILLE
     REGION.

&&

SHORT TERM...RPN
LONG TERM....SMITH
AVIATION...RPN
Hazardous weather outlook, Jan 19, 2:33 PM MST, 14 hours 15 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MISSOULA MT
233 PM MST SAT JAN 19 2008

MTZ006-201200-
BITTERROOT/SAPPHIRE MOUNTAINS-
233 PM MST SAT JAN 19 2008

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

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

A STRONG ARCTIC SYSTEM WILL PUSH INTO THE AREA TONIGHT BRINGING
HAZARDOUS WEATHER ACROSS WESTERN MONTANA. SEE WEATHER.GOV/MISSOULA
FOR SPECIFIC HIGHLIGHT INFORMATION.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A COLD FRONT WILL PUSH THROUGH SUNDAY CONTINUING THE WIDESPREAD SNOW
THROUGH THE DAY. SNOW IS EXPECTED TO TAPER OFF BY NIGHTFALL.
ALTHOUGH VALLEYS MAY BE SHELTERED...STRONG WINDS AND VERY COLD
TEMPERATURES BEHIND THE FRONT WILL RESULT IN DANGEROUS WIND CHILLS
TO 20 BELOW ZERO SUNDAY NIGHT AND MONDAY.

.SPOTTER INFORMATION STATEMENT...

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

MTZ005-201200-
MISSOULA/BITTERROOT VALLEYS-
233 PM MST SAT JAN 19 2008

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

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

A STRONG ARCTIC SYSTEM WILL PUSH INTO THE AREA TONIGHT BRINGING
HAZARDOUS WEATHER ACROSS WESTERN MONTANA. SEE WEATHER.GOV/MISSOULA
FOR SPECIFIC HIGHLIGHT INFORMATION.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A COLD FRONT WILL PUSH THROUGH SUNDAY CONTINUING THE WIDESPREAD SNOW
THROUGH THE DAY. SNOW IS EXPECTED TO TAPER OFF BY NIGHTFALL. STRONG
WINDS AND VERY COLD TEMPERATURES BEHIND THE FRONT WILL RESULT IN DANGEROUS
WIND CHILLS TO 15 BELOW ZERO SUNDAY NIGHT AND MONDAY.

.SPOTTER INFORMATION STATEMENT...

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

MTZ001-004-201200-
KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION-
233 PM MST SAT JAN 19 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...THIS AFTERNOON AND TONIGHT

A STRONG ARCTIC SYSTEM WILL PUSH INTO THE AREA TONIGHT BRINGING
HAZARDOUS WEATHER ACROSS WESTERN MONTANA. SEE
WEATHER.GOV/MISSOULA FOR SPECIFIC HIGHLIGHT INFORMATION.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A COLD FRONT WILL PUSH THROUGH SUNDAY CONTINUING THE WIDESPREAD SNOW
THROUGH THE DAY. SNOW IS EXPECTED TO TAPER OFF BY NIGHTFALL. STRONG
WINDS AND VERY COLD TEMPERATURES BEHIND THE FRONT WILL RESULT IN DANGEROUS
WIND CHILLS TO 10 BELOW ZERO SUNDAY NIGHT AND MONDAY...ESPECIALLY NEAR
RIDGE TOPS WHICH ARE UNSHELTERED FROM THESE WINDS.

.SPOTTER INFORMATION STATEMENT...

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

MTZ003-201200-
FLATHEAD/MISSION VALLEYS-
233 PM MST SAT JAN 19 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
MONTANA.

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

A STRONG ARCTIC SYSTEM WILL PUSH INTO THE AREA TONIGHT BRINGING
HAZARDOUS WEATHER ACROSS WESTERN MONTANA. SEE WEATHER.GOV/MISSOULA
FOR SPECIFIC HIGHLIGHT INFORMATION.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A COLD FRONT WILL PUSH THROUGH SUNDAY CONTINUING THE WIDESPREAD SNOW
THROUGH THE DAY. SNOW IS EXPECTED TO TAPER OFF BY SUNDAY AFTERNOON. STRONG
WINDS AND VERY COLD TEMPERATURES BEHIND THE FRONT WILL RESULT IN DANGEROUS
WIND CHILLS TO 20 BELOW ZERO SUNDAY NIGHT AND MONDAY...ESPECIALLY
THROUGH THE FLATHEAD VALLEY. WINDS MAY BRING FROZEN SPRAY AND
PROBLEMS TO THE SOUTHERN FLATHEAD LAKE MOORED BOATS AND DOCKS.

.SPOTTER INFORMATION STATEMENT...

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

IDZ009-010-201200-
WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY-
233 PM MST SAT JAN 19 2008

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

A STRONG ARCTIC SYSTEM WILL PUSH INTO THE AREA OVERNIGHT BRINGING
WIDESPREAD SNOW ACROSS NORTH CENTRAL IDAHO.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A COLD FRONT WILL PUSH THROUGH SUNDAY CONTINUING THE WIDESPREAD
LIGHT SNOW THROUGH THE DAY. SNOW IS EXPECTED TO TAPER OFF BY LATE
SUNDAY NIGHT. STRONG WINDS AND VERY COLD TEMPERATURES BEHIND THE
FRONT WILL RESULT IN DANGEROUS WIND CHILLS 10 TO 20 BELOW ZERO
IN PLACES SUNDAY NIGHT AND MONDAY...ESPECIALLY NEAR RIDGE TOPS
WHICH ARE UNSHELTERED FROM THESE WINDS.

.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 20, 12:45 AM MSTBlizzard WarningMSOGranite, Lake, Missoula, Powell, Ravalli4 hr
Jan 20, 4:48 AM MSTWind Chill WarningMSODeer Lodge, Flathead, Granite, Lake, Missoula, Powell and 3 more29 hr
Jan 20, 4:48 AM MSTWinter Weather AdvisoryMSODeer Lodge, Flathead, Granite, Lake, Missoula, Powell and 3 more15 hr

Nearby

Wind Chill Advisories in Montana, 2008Wind Chill Advisories in Idaho, 2008Every wind chill 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.