Alert archive / Montana / Wind Chill Advisories in 2011
Wind Chill Advisory 1, NWS Missoula, MT
NWS Missoula, MT issued this wind chill advisory at Jan 30, 2011, 7:56 PM MST for Missoula County, Ravalli County, Montana. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Jan 30, 2011, 7:56 PM MST (02:56 UTC)
- Expired
- Jan 31, 2011, 11:00 AM MST
- In force
- 15 hr
- Issued by
- NWS Missoula, MT
Counties Missoula County, MT, Ravalli County, MT
The radar
The Missoula radar (KMSX), 54 km from the middle of the area, began a volume at 03:02 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, 2.9 hours before the alert went out and 220 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1356 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- -35 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
877 WWUS45 KMSO 310256 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 756 PM MST SUN JAN 30 2011 MTZ007-310600- /O.CAN.KMSO.WW.Y.0014.000000T0000Z-110131T1200Z/ /O.EXA.KMSO.WC.W.0001.000000T0000Z-110131T1800Z/ BUTTE/BLACKFOOT REGION- 756 PM MST SUN JAN 30 2011 ...WIND CHILL WARNING IN EFFECT UNTIL 11 AM MST MONDAY... ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT UNTIL 11 AM MST MONDAY. THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. * IMPACTS/TIMING: DESPITE SNOW TAPERING OFF THROUGH THE EVENING...STRONG NORTH TO NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH MONDAY MORNING. DANGEROUSLY COLD WIND CHILLS...PARTICULARLY ALONG AND NORTH OF THE HIGHWAY 12 CORRIDOR ARE EXPECTED. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. LIGHT SNOW WILL CONTINUE TO FALL SOUTH OF HIGHWAY 12 BUT ADDITIONAL ACCUMULATIONS WILL REMAIN AN INCH OR LESS. * WINDS: NORTH TO NORTHEAST WINDS SUSTAINED AT 15 TO 25 MPH WITH LOCAL GUSTS UP TO 30 MPH WILL CONTINUE THROUGH TONIGHT... CREATING DANGEROUS WIND CHILL VALUES OF 10 BELOW TO 25 BELOW ZERO THROUGH MONDAY MORNING. * 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. && $$ MTZ005-310600- /O.CAN.KMSO.WW.Y.0014.000000T0000Z-110131T0600Z/ /O.NEW.KMSO.WC.Y.0001.110131T0256Z-110131T1800Z/ MISSOULA/BITTERROOT VALLEYS- 756 PM MST SUN JAN 30 2011 ...WIND CHILL ADVISORY IN EFFECT UNTIL 11 AM MST MONDAY... ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 11 AM MST MONDAY. THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. * IMPACTS/TIMING: DESPITE SNOW TAPERING OFF THROUGH THE EVENING...STRONG NORTH TO NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH MONDAY MORNING. DANGEROUSLY COLD WIND CHILLS ARE EXPECTED TO DEVELOP. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. LIGHT SNOW WILL CONTINUE TO FALL THROUGH THE REST OF THIS EVENING BUT ADDITIONAL ACCUMULATIONS WILL REMAIN LESS THAN AN INCH. * WINDS: NORTH TO NORTHEAST 15 TO 20 MPH. LOCAL GUSTS UP TO 30 MPH THROUGH HELLGATE CANYON INTO DOWNTOWN MISSOULA THROUGH THIS EVENING. WIND CHILL VALUES LOWERING TO AROUND 10 TO 15 BELOW ZERO TONIGHT. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ IDZ005-310400- /O.CAN.KMSO.WW.Y.0014.000000T0000Z-110131T0600Z/ NORTHERN CLEARWATER MOUNTAINS- 656 PM PST SUN JAN 30 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. LIGHT SNOW FALL WILL CONTINUE TO DECREASE OVER THE AREA THROUGH THIS EVENING WITH COLD TEMPERATURES SETTLING IN PLACE. $$ MTZ004-310400- /O.EXP.KMSO.WW.Y.0014.000000T0000Z-110131T0300Z/ LOWER CLARK FORK REGION- 756 PM MST SUN JAN 30 2011 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 8 PM MST THIS EVENING... THE WINTER WEATHER ADVISORY WILL EXPIRE AT 8 PM MST THIS EVENING. LIGHT SNOW FALL WILL CONTINUE TO DECREASE OVER THE AREA THROUGH THIS EVENING WITH COLD TEMPERATURES SETTLING IN PLACE. * LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN $$ MTZ003-310600- /O.CON.KMSO.WC.W.0001.000000T0000Z-110131T1800Z/ FLATHEAD/MISSION VALLEYS- 756 PM MST SUN JAN 30 2011 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. * IMPACTS/TIMING: DESPITE SNOW ENDING...STRONG NORTH TO NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH MONDAY MORNING... CAUSING DANGEROUSLY COLD WIND CHILLS. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. * WINDS: NORTH TO NORTHEAST SUSTAINED WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL CONTINUE THROUGH TONIGHT IN THE FLATHEAD AND MISSION VALLEYS. DANGEROUS WIND CHILL READINGS OF AROUND 10 BELOW ZERO TO 25 BELOW ZERO CAN BE ANTICIPATED THROUGH MONDAY MORNING. IN ADDITION...WINDS WILL CONTINUE TO CAUSE DRIFTING OF SNOW ACROSS ROADWAYS. * LOCATIONS IMPACTED INCLUDE...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. && $$ MTZ002-310600- /O.CON.KMSO.WC.W.0001.000000T0000Z-110131T1800Z/ WEST GLACIER REGION- 756 PM MST SUN JAN 30 2011 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. * IMPACTS/TIMING: DESPITE SNOW ENDING...STRONG NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH MONDAY MORNING... CAUSING DANGEROUSLY COLD WIND CHILLS. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. * WINDS: NORTHEAST SUSTAINED WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH ARE EXPECTED THROUGH MONDAY MORNING. DANGEROUS WIND CHILL READINGS OF 15 BELOW TO 25 BELOW ZERO CAN BE EXPECTED THROUGH MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ MTZ043-310600- /O.CON.KMSO.WC.W.0001.000000T0000Z-110131T1800Z/ POTOMAC/SEELEY LAKE REGION- 756 PM MST SUN JAN 30 2011 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. * IMPACTS/TIMING: DESPITE SNOW TAPERING OFF THROUGH THE AFTERNOON...STRONG NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH MONDAY MORNING... CAUSING DANGEROUSLY COLD WIND CHILLS...PARTICULARLY ALONG THE HIGHWAY 200 AND INTERSTATE 90 CORRIDORS. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. * WINDS: NORTHEAST 15 TO 25 MPH SUSTAINED WITH GUSTS TO 30 MPH WILL CONTINUE THIS EVENING AND OVERNIGHT....ESPECIALLY ALONG HIGHWAY 200 AND I-90 EAST OF MISSOULA. DANGEROUS WIND CHILLS OF 15 TO 25 BELOW ZERO WILL DEVELOP IN THESE LOCATIONS. IN ADDITION...WINDS WILL CONTINUE BLOWING AND DRIFTING OF SNOW ACROSS ROADWAYS. * 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. && $$ MTZ006-310600- /O.CON.KMSO.WW.Y.0014.000000T0000Z-110131T0600Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 756 PM MST SUN JAN 30 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS/TIMING: MODERATE SNOW WILL CONTINUE OVER LOLO PASS AND HIGHER ELEVATIONS...WITH LIGHT SNOWFALL IN LOWER ELEVATIONS AND VALLEYS THROUGH THIS EVENING. * TOTAL STORM SNOW ACCUMULATIONS: 6 TO 10 INCHES OVER LOLO PASS AND IN THE BITTERROOT MOUNTAINS BY THIS EVENING. 2 TO 4 INCHES OVER LOST TRAIL PASS AND IN THE LOWER ELEVATION VALLEYS. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ007-310600- /O.CON.KMSO.WW.Y.0014.000000T0000Z-110131T1200Z/ OROFINO/GRANGEVILLE REGION- 656 PM PST SUN JAN 30 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY. * IMPACTS/TIMING: LIGHT TO MODERATE SNOW WILL BE DEVELOPING LATE THIS AFTERNOON THROUGH TONIGHT...CREATING DIFFICULT DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 2 TO 4 INCHES POSSIBLE BY MONDAY MORNING. * LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...GREER GRADE...HIGHWAY 12 OROFINO TO KOOSKIA PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ006-310600- /O.CON.KMSO.WW.Y.0014.000000T0000Z-110131T0600Z/ SOUTHERN CLEARWATER MOUNTAINS- 656 PM PST SUN JAN 30 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 3000 FEET... A WINTER WEATHER ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. * IMPACTS/TIMING: LIGHT SNOWFALL...MODERATE AT TIMES...WILL CONTINUE THROUGH THIS EVENING AND CREATE DIFFICULT DRIVING CONDITIONS. * TOTAL STORM SNOW ACCUMULATIONS: 5 TO 10 INCHES ABOVE 3000 FEET BY TONIGHT WITH 1 TO 4 INCHES AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ008-310600- /O.CON.KMSO.WW.Y.0014.000000T0000Z-110131T1200Z/ LOWER HELLS CANYON/SALMON RIVER REGION- 656 PM PST SUN JAN 30 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY FOR WHITE BIRD GRADE... A WINTER WEATHER ADVISORY FOR WHITE BIRD GRADE REMAINS IN EFFECT UNTIL 4 AM PST MONDAY. * IMPACTS/TIMING: LIGHT TO MODERATE SNOW WILL RE-DEVELOP LATE THIS AFTERNOON AND WILL CONTINUE THROUGH TONIGHT...CREATING DIFFICULT DRIVING CONDITIONS AT TIMES. * SNOW ACCUMULATIONS: 2 TO 4 INCHES POSSIBLE BY MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
4 follow-up statements
637 WWUS45 KMSO 310433 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 933 PM MST SUN JAN 30 2011 IDZ006-MTZ006-310545- /O.CAN.KMSO.WW.Y.0014.000000T0000Z-110131T0600Z/ SOUTHERN CLEARWATER MOUNTAINS-BITTERROOT/SAPPHIRE MOUNTAINS- 933 PM MST SUN JAN 30 2011 /833 PM PST SUN JAN 30 2011/ ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW WILL CONTINUE TO DECREASE THIS EVENING WITH LITTLE TO NO ADDITIONAL SNOW ACCUMULATIONS EXPECTED. $$ IDZ007-008-310545- /O.CAN.KMSO.WW.Y.0014.000000T0000Z-110131T1200Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 833 PM PST SUN JAN 30 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW WILL CONTINUE TO DECREASE THIS EVENING WITH LITTLE TO NO ADDITIONAL SNOW ACCUMULATIONS EXPECTED. $$ MTZ003-311200- /O.CON.KMSO.WC.W.0001.000000T0000Z-110131T1800Z/ FLATHEAD/MISSION VALLEYS- 933 PM MST SUN JAN 30 2011 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. * IMPACTS/TIMING: DESPITE SNOW ENDING...STRONG NORTH TO NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH MONDAY MORNING...CAUSING DANGEROUSLY COLD WIND CHILLS. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. * WINDS: NORTH TO NORTHEAST SUSTAINED WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL CONTINUE THROUGH TONIGHT IN THE FLATHEAD AND MISSION VALLEYS. DANGEROUS WIND CHILL READINGS OF AROUND 10 BELOW ZERO TO 25 BELOW ZERO CAN BE ANTICIPATED THROUGH MONDAY MORNING. IN ADDITION...WINDS WILL CONTINUE TO CAUSE DRIFTING OF SNOW ACROSS ROADWAYS. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY...MISSION VALLEY...POLSON PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ MTZ002-311200- /O.CON.KMSO.WC.W.0001.000000T0000Z-110131T1800Z/ WEST GLACIER REGION- 933 PM MST SUN JAN 30 2011 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. * IMPACTS/TIMING: DESPITE SNOW ENDING...STRONG NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH MONDAY MORNING... CAUSING DANGEROUSLY COLD WIND CHILLS. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. * WINDS: NORTHEAST SUSTAINED WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH ARE EXPECTED THROUGH MONDAY MORNING. DANGEROUS WIND CHILL READINGS OF 15 BELOW TO 25 BELOW ZERO CAN BE EXPECTED THROUGH MONDAY MORNING. 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. && $$ MTZ043-311200- /O.CON.KMSO.WC.W.0001.000000T0000Z-110131T1800Z/ POTOMAC/SEELEY LAKE REGION- 933 PM MST SUN JAN 30 2011 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. * IMPACTS/TIMING: DESPITE SNOW ENDING...STRONG NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH MONDAY MORNING... CAUSING DANGEROUSLY COLD WIND CHILLS...PARTICULARLY ALONG THE HIGHWAY 200 AND INTERSTATE 90 CORRIDORS. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. * WINDS: NORTHEAST 15 TO 25 MPH SUSTAINED WITH GUSTS TO 30 MPH WILL CONTINUE THIS EVENING AND OVERNIGHT....ESPECIALLY ALONG HIGHWAY 200 AND I-90 EAST OF MISSOULA. DANGEROUS WIND CHILLS OF 15 TO 25 BELOW ZERO WILL DEVELOP IN THESE LOCATIONS. IN ADDITION...WINDS WILL CONTINUE BLOWING AND DRIFTING OF SNOW ACROSS ROADWAYS. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 200 BONNER TO GREENOUGH... HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ MTZ007-311200- /O.CON.KMSO.WC.W.0001.000000T0000Z-110131T1800Z/ BUTTE/BLACKFOOT REGION- 933 PM MST SUN JAN 30 2011 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. * IMPACTS/TIMING: DESPITE SNOW TAPERING OFF TONIGHT...STRONG NORTH TO NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH MONDAY MORNING. DANGEROUSLY COLD WIND CHILLS...PARTICULARLY ALONG AND NORTH OF THE HIGHWAY 12 CORRIDOR ARE EXPECTED. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. LIGHT SNOW WILL CONTINUE TO FALL SOUTH OF HIGHWAY 12 BUT ADDITIONAL ACCUMULATIONS WILL REMAIN AN INCH OR LESS. * WINDS: NORTH TO NORTHEAST WINDS SUSTAINED AT 15 TO 25 MPH WITH LOCAL GUSTS UP TO 30 MPH WILL CONTINUE THROUGH TONIGHT... CREATING DANGEROUS WIND CHILL VALUES OF 10 BELOW TO 25 BELOW ZERO THROUGH MONDAY MORNING. * 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. && $$ MTZ005-311200- /O.CON.KMSO.WC.Y.0001.000000T0000Z-110131T1800Z/ MISSOULA/BITTERROOT VALLEYS- 933 PM MST SUN JAN 30 2011 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY. * IMPACTS/TIMING: DESPITE SNOW TAPERING OFF THROUGH THE EVENING...STRONG NORTH TO NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH MONDAY MORNING. DANGEROUSLY COLD WIND CHILLS ARE EXPECTED TO DEVELOP. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. LIGHT SNOW WILL CONTINUE TO FALL THROUGH THE REST OF THIS EVENING BUT ADDITIONAL ACCUMULATIONS WILL REMAIN LESS THAN AN INCH. * WINDS: NORTH TO NORTHEAST 15 TO 20 MPH. LOCAL GUSTS UP TO 30 MPH THROUGH HELLGATE CANYON INTO DOWNTOWN MISSOULA THROUGH THIS EVENING. WIND CHILL VALUES LOWERING TO AROUND 10 TO 15 BELOW ZERO TONIGHT. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$
117 WWUS45 KMSO 311015 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 315 AM MST MON JAN 31 2011 MTZ003-311800- /O.CON.KMSO.WC.W.0001.000000T0000Z-110131T1800Z/ FLATHEAD/MISSION VALLEYS- 315 AM MST MON JAN 31 2011 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * IMPACTS/TIMING: STRONG NORTH TO NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH THIS MORNING... CAUSING DANGEROUSLY COLD WIND CHILLS. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. * WINDS: NORTH TO NORTHEAST SUSTAINED WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL CONTINUE THROUGH THIS MORNING IN THE FLATHEAD AND MISSION VALLEYS. DANGEROUS WIND CHILL READINGS OF AROUND 10 BELOW ZERO TO 25 BELOW ZERO CAN BE ANTICIPATED THROUGH THIS MORNING. IN ADDITION...WINDS WILL CONTINUE TO CAUSE DRIFTING OF SNOW ACROSS ROADWAYS. * LOCATIONS IMPACTED INCLUDE...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. && $$ MTZ002-311800- /O.CON.KMSO.WC.W.0001.000000T0000Z-110131T1800Z/ WEST GLACIER REGION- 315 AM MST MON JAN 31 2011 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * IMPACTS/TIMING: STRONG NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH THIS MORNING... CAUSING DANGEROUSLY COLD WIND CHILLS. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. * WINDS: NORTHEAST SUSTAINED WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH ARE EXPECTED THROUGH THIS MORNING. DANGEROUS WIND CHILL READINGS OF 15 BELOW TO 25 BELOW ZERO CAN BE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ MTZ043-311800- /O.CON.KMSO.WC.W.0001.000000T0000Z-110131T1800Z/ POTOMAC/SEELEY LAKE REGION- 315 AM MST MON JAN 31 2011 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * IMPACTS/TIMING: STRONG NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH THIS MORNING... CAUSING DANGEROUSLY COLD WIND CHILLS...PARTICULARLY ALONG THE HIGHWAY 200 AND INTERSTATE 90 CORRIDORS. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. * WINDS: NORTHEAST 15 TO 25 MPH SUSTAINED WITH GUSTS TO 30 MPH WILL CONTINUE THIS MORNING....ESPECIALLY ALONG HIGHWAY 200 AND I-90 EAST OF MISSOULA. DANGEROUS WIND CHILLS OF 15 TO 25 BELOW ZERO WILL DEVELOP IN THESE LOCATIONS. IN ADDITION...WINDS WILL CONTINUE BLOWING AND DRIFTING OF SNOW ACROSS ROADWAYS. * 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. && $$ MTZ007-311800- /O.CON.KMSO.WC.W.0001.000000T0000Z-110131T1800Z/ BUTTE/BLACKFOOT REGION- 315 AM MST MON JAN 31 2011 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * IMPACTS/TIMING: STRONG NORTH TO NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH THIS MORNING. DANGEROUSLY COLD WIND CHILLS... PARTICULARLY ALONG AND NORTH OF THE HIGHWAY 12 CORRIDOR ARE EXPECTED. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. * WINDS: NORTH TO NORTHEAST WINDS SUSTAINED AT 15 TO 25 MPH WITH LOCAL GUSTS UP TO 30 MPH WILL CONTINUE THROUGH THIS MORNING...CREATING DANGEROUS WIND CHILL VALUES OF 10 BELOW TO 25 BELOW ZERO. * LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...HOMESTAKE PASS...MACDONALD PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ MTZ005-311800- /O.CON.KMSO.WC.Y.0001.000000T0000Z-110131T1800Z/ MISSOULA/BITTERROOT VALLEYS- 315 AM MST MON JAN 31 2011 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * IMPACTS/TIMING: STRONG NORTH TO NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH THIS MORNING...PRODUCING DANGEROUSLY COLD WIND CHILLS. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. * WINDS: NORTH TO NORTHEAST 15 TO 20 MPH. LOCAL GUSTS UP TO 30 MPH THROUGH HELLGATE CANYON INTO DOWNTOWN MISSOULA THROUGH THIS MORNING PRODUCING WIND CHILL VALUES AROUND 10 TO 15 BELOW ZERO. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA 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. && $$
935 WWUS45 KMSO 311705 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1005 AM MST MON JAN 31 2011 MTZ003-007-311815- /O.CAN.KMSO.WC.W.0001.000000T0000Z-110131T1800Z/ FLATHEAD/MISSION VALLEYS-BUTTE/BLACKFOOT REGION- 1005 AM MST MON JAN 31 2011 ...WIND CHILL WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND CHILL WARNING. WIND SPEEDS HAVE BEEN DECREASING THROUGH THE MORNING. ALTHOUGH WINDS WILL BE LIGHT TODAY...WIND CHILL VALUES IN THE SINGLE DIGITS TO A FEW DEGREES BELOW ZERO SHOULD BE EXPECTED THROUGHOUT THE DAY. $$ MTZ002-311815- /O.CON.KMSO.WC.W.0001.000000T0000Z-110131T1800Z/ WEST GLACIER REGION- 1005 AM MST MON JAN 31 2011 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * IMPACTS/TIMING: STRONG NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH LATE THIS MORNING...CAUSING DANGEROUSLY COLD WIND CHILLS. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. * WINDS: NORTHEAST SUSTAINED WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH ARE EXPECTED THROUGH LATE THIS MORNING. DANGEROUS WIND CHILL READINGS OF 15 BELOW TO 25 BELOW ZERO CAN BE EXPECTED. 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. && $$ MTZ043-311815- /O.CON.KMSO.WC.W.0001.000000T0000Z-110131T1800Z/ POTOMAC/SEELEY LAKE REGION- 1005 AM MST MON JAN 31 2011 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * IMPACTS/TIMING: STRONG NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH LATE THIS MORNING...CAUSING DANGEROUSLY COLD WIND CHILLS...PARTICULARLY ALONG THE HIGHWAY 200. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. * WINDS: NORTHEAST 15 TO 25 MPH SUSTAINED WITH GUSTS TO 30 MPH WILL CONTINUE THIS MORNING....ESPECIALLY ALONG THE HIGHWAY 200 TRAVEL CORRIDOR. DANGEROUS WIND CHILLS OF 15 TO 25 BELOW ZERO ARE EXPECTED THROUGH LATE THIS MORNING. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 200 BONNER TO CLEARWATER JUNCTION PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$ MTZ005-311815- /O.CON.KMSO.WC.Y.0001.000000T0000Z-110131T1800Z/ MISSOULA/BITTERROOT VALLEYS- 1005 AM MST MON JAN 31 2011 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING FOR...MISSOULA... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * IMPACTS/TIMING: STRONG NORTH TO NORTHEAST WINDS WILL CONTINUE TO AFFECT THE DOWNTOWN MISSOULA AREA THROUGH LATE THIS MORNING... PRODUCING DANGEROUSLY COLD WIND CHILLS. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. * WINDS: NORTH TO NORTHEAST 15 TO 20 MPH...ESPECIALLY THROUGH HELLGATE CANYON INTO DOWNTOWN MISSOULA THROUGH LATE THIS MORNING PRODUCING WIND CHILL VALUES AROUND 10 TO 15 BELOW ZERO. 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. && $$
450 WWUS45 KMSO 311759 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1059 AM MST MON JAN 31 2011 MTZ005-311900- /O.EXP.KMSO.WC.Y.0001.000000T0000Z-110131T1800Z/ MISSOULA/BITTERROOT VALLEYS- 1059 AM MST MON JAN 31 2011 ...WIND CHILL ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING FOR...MISSOULA... THE WIND CHILL ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING. WIND SPEEDS ARE BEGINNING TO DECREASE THROUGH THE MISSOULA VALLEY LATE THIS MORNING. ALTHOUGH WINDS WILL BE LIGHT TODAY...WIND CHILL VALUES IN THE SINGLE DIGITS TO A FEW DEGREES BELOW ZERO SHOULD BE EXPECTED THROUGHOUT THE DAY. $$ MTZ002-312000- /O.EXT.KMSO.WC.W.0001.000000T0000Z-110131T2000Z/ WEST GLACIER REGION- 1059 AM MST MON JAN 31 2011 ...WIND CHILL WARNING NOW IN EFFECT UNTIL 1 PM MST THIS AFTERNOON... THE WIND CHILL WARNING IS NOW IN EFFECT UNTIL 1 PM MST THIS AFTERNOON. * IMPACTS/TIMING: NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH EARLY THIS AFTERNOON...CAUSING DANGEROUSLY COLD WIND CHILLS. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. * WINDS: NORTHEAST WINDS AROUND 10 MPH WITH GUSTS TO 20 MPH ARE EXPECTED THROUGH EARLY THIS AFTERNOON BEFORE DIMINISHING. DANGEROUS WIND CHILL READINGS OF 15 BELOW TO 30 BELOW ZERO CAN BE EXPECTED. 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. && $$ MTZ043-312000- /O.EXT.KMSO.WC.W.0001.000000T0000Z-110131T2000Z/ POTOMAC/SEELEY LAKE REGION- 1059 AM MST MON JAN 31 2011 ...WIND CHILL WARNING NOW IN EFFECT UNTIL 1 PM MST THIS AFTERNOON... THE WIND CHILL WARNING IS NOW IN EFFECT UNTIL 1 PM MST THIS AFTERNOON. * IMPACTS/TIMING: NORTHEAST WINDS WILL CONTINUE TO AFFECT THE AREA THROUGH EARLY THIS AFTERNOON...CAUSING DANGEROUSLY COLD WIND CHILLS...PARTICULARLY ALONG THE HIGHWAY 200 CORRIDOR. ANYONE TRAVELING OUTDOORS SHOULD COVER ALL EXPOSED SKIN AND TAKE PRECAUTIONS TO PROTECT AGAINST THE COLD. * WINDS: NORTHEAST WINDS AROUND 15 MPH WITH GUSTS TO 20 MPH WILL CONTINUE THROUGH EARLY THIS AFTERNOON....ESPECIALLY ALONG THE HIGHWAY 200 TRAVEL CORRIDOR. DANGEROUS WIND CHILLS OF 15 TO 25 BELOW ZERO ARE EXPECTED THROUGH EARLY THIS AFTERNOON. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 200 BONNER TO CLEARWATER JUNCTION PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. && $$
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 30, 6:50 PM MST, 1 hour 6 minutes earlier.
Area forecast discussion, Jan 30, 6:50 PM MST, 1 hour 6 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE MISSOULA MT
650 PM MST SUN JAN 30 2011
.UPDATE...CANCELED WINTER STORM WARNING FOR THE POTOMAC/SEELEY
LAKE REGION AND THE FLATHEAD/MISSION VALLEYS AND ADDED A WIND
CHILL WARNING FOR BOTH AREAS. INCREASED CHANCE OF PRECIPITATION
ALONG AND SOUTH OF INTERSTATE 90.
&&
.DISCUSSION...THE ARCTIC COLD FRONT CONTINUES TO PROGRESS
SOUTHWARD THROUGH NORTH CENTRAL IDAHO AND SOUTHWEST MONTANA THIS
EVENING. DRIER AIR IS EVIDENT ON SATELLITE DATA AND IS SLOWLY
PROGRESSING SOUTH INTO THE REGION THIS EVENING. THIS WILL BRING A
GRADUAL DRYING TREND FROM SOUTH TO NORTH THROUGH THE EVENING.
AREAS ALONG AND SOUTH OF INTERSTATE 90 WILL CONTINUE TO SEE SNOW
HOWEVER UNTIL LATE TONIGHT. BEHIND THE ARCTIC FRONT...MUCH COLDER
TEMPERATURES HAVE BEGUN TO SETTLE IN TO THE REGION. THE
COMBINATION OF STRONG NORTHEAST WINDS AND THE COLD AIR WILL
PRODUCE DANGEROUS WIND CHILLS OVER PORTIONS OF WESTERN MONTANA AND
NORTH CENTRAL IDAHO. SEVERAL WIND CHILL WARNINGS HAVE BEEN ISSUED
TO COVER THIS SCENARIO. PLEASE SEE WWW.WEATHER.GOV/MISSOULA FOR
FURTHER INFORMATION.
&&
.AVIATION...SNOWFALL WILL CONTINUE TO TAPER OFF FROM NORTHWEST TO
SOUTHEAST THROUGH THE EVENING INCREASING CEILINGS AND VISIBILITY
AT TERMINALS. STRONG WINDS CAN BE EXPECTED THROUGH THE NIGHT AT
KMSO AND KGPI TERMINALS WHICH MAY AT TIMES REDUCE VISIBILITIES DUE
TO BLOWING SNOW. KBTM STILL HAS THE POTENTIAL OF SEEING SOME
SNOWFALL TONIGHT WITH LOWERING CEILINGS AND VISIBILITY STILL
EXPECTED THERE THROUGH 31/0400Z.
&&
.PREV DISCUSSION... /ISSUED 326 PM MST SUN JAN 30 2011/
DISCUSSION...PACIFIC MOISTURE FROM THE WEST CONTINUES TO STREAM
OVER THE COLDER ARCTIC AIR MASS FILTERING INTO THE REGION FROM
CANADA. THIS WILL HAVE SEVERAL IMPACTS TONIGHT THROUGH MONDAY.
WEST CENTRAL/SOUTHWEST MONTANA...PRECIPITATION CHANCES WILL
CONTINUE THROUGH THIS EVENING...TAPERING OFF FROM NORTH TO SOUTH
AS THE COLD AND DRY CANADIAN AIR MASS SLOWLY MIGRATES SOUTHWARD.
AREAS OF HEAVIER SNOWFALL HAVE SET-UP FROM WEST TO EAST AND HAVE
PLAGUED THE MISSOULA VALLEY THIS AFTERNOON. THIS SHOULD PERSIST
FOR THE NEXT 2 TO 3 HOURS BEFORE DIMINISHING IN INTENSITY. NORTH
AND EAST WINDS WILL PERSIST THROUGH MONDAY MORNING AND PRODUCE
DANGEROUS WIND CHILL VALUES AS TEMPERATURES DROP AND WINDS REMAIN
ELEVATED. VARIOUS WINTER HIGHLIGHTS ARE IN EFFECT FOR THESE
REGIONS.
NORTHWEST MONTANA...ANY SNOWFALL IN THIS REGION WILL DISSIPATE BY
EARLY EVENING. THE DRY AND COLD CANADIAN AIR MASS MOVING SOUTHWARD
HAS RESULTED IN CLEARING SKIES NORTH OF KALISPELL UP TO THE
CANADIAN BORDER. THIS CLEARING TREND WILL CONTINUE THROUGH THE
NIGHT AND ALLOW TEMPERATURES TO PLUMMET WELL BELOW ZERO BY MONDAY
MORNING. STRONG AND GUSTY NORTHEAST WINDS ARE EXPECTED TO PERSIST
THROUGH MONDAY MORNING...PRODUCING DANGEROUS WIND CHILL VALUES AS
TEMPERATURES DROP. VARIOUS WINTER HIGHLIGHTS ARE IN EFFECT FOR
THIS REGION.
NORTH CENTRAL IDAHO...AS THE LAST BIT OF PACIFIC MOISTURE STREAMS
INTO THE REGION...PRECIPITATION WILL DEVELOP AND BECOME FOCUSED
OVER THE CAMAS PRAIRIE/GRANGEVILLE/WHITEBIRD GRADE AND
CLEARWATER MOUNTAINS. LIGHT SNOW ACCUMULATIONS ARE EXPECTED THIS
EVENING THROUGH OVERNIGHT TONIGHT. TRAVEL WILL BECOME DIFFICULT AS
ROADS BECOME SLICK AND SNOW-COVERED. WINTER HIGHLIGHTS HAVE BEEN
ISSUED THROUGH EARLY MONDAY MORNING.
MONDAY NIGHT THROUGH FRIDAY THE MAIN STORY WILL BE TEMPERATURES
AND STRENGTHENING INVERSIONS. EXPECT OVERNIGHT LOWS IN THE SINGLE
DIGITS AND TEENS BELOW ZERO IN ALL BUT THE LOWEST IDAHO VALLEYS
BOTH TUESDAY AND WEDNESDAY MORNINGS. BY WEDNESDAY NIGHT...THE
UPPER LEVEL RIDGE WILL BEGIN TO FLATTEN AND WARMER AIR ALOFT WILL
MOVE INTO THE REGION. THIS SCENARIO WILL REALLY INTENSIFY ALREADY
ESTABLISHED VALLEY INVERSIONS MAKING THE TEMPERATURE FORECAST FOR
THE REST OF THE WEEK TRICKY. FOR THURSDAY AND FRIDAY...MID AND
UPPER LEVEL ELEVATIONS WILL SEE MODERATING TEMPERATURES AS WARMER
AIR MOVES IN. IN THE VALLEYS...THEY WILL ALSO SEE WARMING...BUT
WILL BE MORE SELECTIVE. THE HIGHER VALLEYS OF THE SOUTHERN
BITTERROOTS AND SOUTHWEST MONTANA WILL SEE MIXING WITH TEMPERATURES
BACK NEAR NORMAL. FOR THE MORE SHELTERED/COLDER VALLEYS OF WESTERN
AND NORTHWEST MONTANA (INCLUDING MISSOULA AND KALISPELL)
TEMPERATURES WILL BE SLOW TO MODERATE...MAINLY INTO THE LOWER 20S.
FRIDAY NIGHT THROUGH SUNDAY...THE UPPER FLOW WILL BECOME MORE
NORTHWEST AND PROGRESSIVE. THIS WILL BRING A WEAK SURFACE FEATURE
THROUGH FRIDAY AFTERNOON/EVENING HELPING TO BREAK UP THE
INVERSIONS. IT WILL ALSO BRING CHANCE OF PRECIPITATION BACK TO THE
FORECAST FOR NEXT WEEKEND.
AIR STAGNATION...SURFACE AND UPPER LEVEL RIDGE WILL INCREASE
VALLEY INVERSIONS TUESDAY AND WEDNESDAY OF THIS WEEK. THE ARCTIC
AIR MASS WILL SLOWLY RETREAT BY MID WEEK...BUT WITH STRONG
INVERSIONS EXPECTED...THIS WILL KEEP TEMPERATURES COLD IN THE
VALLEYS THROUGH THE WEEK. TEMPERATURES WILL SLOWLY MODERATE IN THE
HIGHER ELEVATIONS.
&&
.MSO WATCHES/WARNINGS/ADVISORIES...
MT...WINTER WEATHER ADVISORY UNTIL 11 PM MST THIS EVENING
MISSOULA/BITTERROOT VALLEYS.
WIND CHILL WARNING UNTIL 11 AM MST MONDAY FLATHEAD/MISSION
VALLEYS.
WIND CHILL WARNING UNTIL 11 AM MST MONDAY WEST GLACIER REGION.
WINTER WEATHER ADVISORY UNTIL 11 PM MST THIS EVENING
BITTERROOT/SAPPHIRE MOUNTAINS.
WIND CHILL WARNING UNTIL 11 AM MST MONDAY POTOMAC/SEELEY LAKE
REGION.
WINTER WEATHER ADVISORY UNTIL 5 AM MST MONDAY BUTTE/BLACKFOOT
REGION.
WINTER WEATHER ADVISORY UNTIL 8 PM MST THIS EVENING LOWER CLARK
FORK REGION.
ID...WINTER WEATHER ADVISORY UNTIL 4 AM PST MONDAY FOR WHITE BIRD
GRADE.
WINTER WEATHER ADVISORY UNTIL 4 AM PST MONDAY
OROFINO/GRANGEVILLE REGION.
WINTER WEATHER ADVISORY UNTIL 10 PM PST THIS EVENING ABOVE 3000
FEET FOR THE SOUTHERN CLEARWATER MOUNTAINS.
WINTER WEATHER ADVISORY UNTIL 10 PM PST THIS EVENING NORTHERN
CLEARWATER MOUNTAINS.
&&
UPDATE...PALLISTER
PREVIOUS DISCUSSION....DE ROSA/MEAD
AVIATION...LOEFFELBEINNearby
Wind Chill Advisories in Montana, 2011Every wind chill advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.