Alert archive / Montana / Winter Storm Warnings in 2009
Winter Storm Warning 9, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Mar 7, 2009, 4:24 AM MST for Flathead County, Lake County, Montana; Clearwater County, Idaho County, Idaho. It took effect at Mar 7, 2009, 5:00 PM MST. It was in force for 24 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 7, 2009, 4:24 AM MST (11:24 UTC)
- In effect from
- Mar 7, 2009, 5:00 PM MST
- Expired
- Mar 8, 2009, 6:00 PM MDT
- In force
- 24 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Idaho County, ID, Flathead County, MT, Lake County, MT
The radar
The Missoula radar (KMSX), 63 km from the middle of the area, began a volume at 11:23 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 8, 7:00 AM MDT | SNOW 8 | 5 N Bigfork, MT | BLIZZARD CONDITIONS REPORTED WITH HEAVY SNOW...VISIBILITIES LESS THAN 1/4 MILE AND 25 MPH WINDS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Spokane, WA (KOTX), launched 00:00Z, 11.4 hours before the alert went out and 136 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
- 1162 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS45 KMSO 071124 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 424 AM MST SAT MAR 7 2009 .A PACIFIC LOW PRESSURE TROUGH JUST MAKING LANDFALL OVER THE PACIFIC NORTHWEST WILL MOVE INTO THE NORTHERN ROCKIES TONIGHT. A STRONG COLD FRONT WILL ACCOMPANY THE TROUGH...AND WILL PASS THROUGH THE REGION STARTING IN NORTHWEST MONTANA THIS EVENING AND CONTINUING SOUTHEASTWARD THROUGH SUNDAY. THE TROUGH AND COLD FRONT WILL BRING WIDESPREAD SNOW AND COOLER TEMPERATURES TO MOST OF NORTH CENTRAL IDAHO AND WESTERN MONTANA. THE MAJORITY OF THE SNOW WILL BE WITH AND BEHIND THE COLD FRONT...BUT THE UPSLOPE COMPONENT FROM THE TERRAIN WILL ALLOW FOR ENHANCED MOUNTAIN SNOWFALL THROUGH SUNDAY EVENING. IDZ005-006-072200- /O.NEW.KMSO.WS.W.0009.090308T0000Z-090309T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 324 AM PST SAT MAR 7 2009 ...WINTER STORM WARNING IN EFFECT FROM 4 PM PST THIS AFTERNOON TO 5 PM PDT SUNDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW...WHICH IS IN EFFECT FROM 4 PM PST THIS AFTERNOON TO 5 PM PDT SUNDAY. HEAVY SNOW ACCUMULATIONS ARE EXPECTED FROM THIS EVENING THROUGH SUNDAY EVENING WITH ACCUMULATIONS OF 5 TO 12 INCHES. THIS INCLUDES THE HIGHWAY 11 CORRIDOR BETWEEN PIERCE AND HEADQUARTERS AS WELL AS THE HIGHWAY 12 CORRIDOR BETWEEN POWELL AND LOLO PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ001-002-004-006-043-072200- /O.NEW.KMSO.WW.Y.0040.090308T0000Z-090309T0000Z/ KOOTENAI/CABINET REGION-WEST GLACIER REGION- LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS- POTOMAC/SEELEY LAKE REGION- 424 AM MST SAT MAR 7 2009 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM MST THIS AFTERNOON TO 6 PM MDT SUNDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 5 PM MST THIS AFTERNOON TO 6 PM MDT SUNDAY. SNOW ACCUMULATIONS OF 3 TO 8 INCHES ARE EXPECTED WITH GREATER AMOUNTS IN THE HIGHER TERRAIN AND OVER MOUNTAIN PASSES FROM THIS EVENING THROUGH SUNDAY EVENING. LOLO AND LOOKOUT PASSES WILL BE AFFECTED BY THIS STORM SYSTEM...ESPECIALLY DURING THE COLD FRONT PASSAGE. BRIEF GUSTY WINDS ACCOMPANYING THE FRONT COULD CAUSE REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ007-072200- /O.NEW.KMSO.WW.Y.0040.090308T0000Z-090309T0000Z/ OROFINO/GRANGEVILLE REGION- 324 AM PST SAT MAR 7 2009 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM PST THIS AFTERNOON TO 5 PM PDT SUNDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 4 PM PST THIS AFTERNOON TO 5 PM PDT SUNDAY. SNOW ACCUMULATIONS OF 3 TO 9 INCHES ARE POSSIBLE FROM THIS EVENING THROUGH SUNDAY EVENING. ALONG WITH SNOW...GUSTY WEST TO SOUTHWEST WINDS WILL CREATE BLOWING AND DRIFTING OF SNOW...ESPECIALLY ALONG AND AHEAD OF THE COLD FRONT. SOUTHERN LOCATIONS ALONG HIGHWAY 95 INCLUDING GRANGEVILLE AND COTTONWOOD WILL EXPERIENCE LESSER AMOUNTS OF SNOW...BUT WILL SEE THE INCREASED WINDS AND BLOWING AND DRIFTING OF SNOW. NORTHERN LOCATIONS INCLUDING KAMIAH AND WEIPPE WILL SEE HIGHER AMOUNTS OF THE SNOW ACCUMULATIONS THROUGH SUNDAY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
7 follow-up statements
000 WWUS45 KMSO 072139 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 239 PM MST SAT MAR 7 2009 .A COLD PACIFIC LOW PRESSURE TROUGH WILL BE MOVING OVER THE NORTHERN ROCKIES TONIGHT AND MONDAY. A COLD FRONT WILL ACCOMPANY THE TROUGH...AND WILL PASS THROUGH THE REGION STARTING IN NORTHWEST MONTANA THIS EVENING AND CONTINUING SOUTHEASTWARD THROUGH SUNDAY. THE TROUGH AND COLD FRONT WILL BRING WIDESPREAD SNOW AND COOLER TEMPERATURES TO MOST OF NORTH CENTRAL IDAHO AND WESTERN MONTANA. A MOIST UNSTABLE AIR MASS WILL FOLLOW THE INITIAL COLD FRONT AND HELP MAINTAIN SNOW SHOWERS. THE MAJORITY OF THE SNOW WILL BE WITH AND BEHIND THE COLD FRONT...BUT THE UPSLOPE COMPONENT FROM THE TERRAIN WILL ALLOW FOR ENHANCED MOUNTAIN SNOWFALL THROUGH SUNDAY EVENING. IN ADDITION TO SNOW...ARCTIC AIR POISED EAST OF THE CONTINENTAL DIVIDE WILL SURGE ACROSS THE DIVIDE...BEING USHERED IN BY STRONG EAST TO NORTHEAST WINDS. THIS COMBINATION OF VERY COLD AIR AND WIND WILL CREATE SUB ZERO WIND CHILL VALUES THROUGH THE TRAVEL CORRIDORS OF THE DIVIDE AND THOSE WESTERN MONTANA VALLEYS THAT ARE TYPICALLY IMPACTED BY ARCTIC INTRUSIONS. MTZ002-080545- /O.UPG.KMSO.WW.Y.0040.090308T0000Z-090309T0000Z/ /O.EXA.KMSO.WS.W.0009.090308T0000Z-090309T0000Z/ WEST GLACIER REGION- 239 PM MST SAT MAR 7 2009 ...WINTER STORM WARNING IN EFFECT FROM 5 PM MST THIS AFTERNOON TO 6 PM MDT SUNDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW...WHICH IS IN EFFECT FROM 5 PM MST THIS AFTERNOON TO 6 PM MDT SUNDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED BY SUNDAY EVENING. HIGHWAY 2 LEADING UP TO MARIAS PASS WILL BE AFFECTED BY THIS STORM SYSTEM. BRIEF GUSTY WINDS ACCOMPANYING THE FRONT COULD CAUSE REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES. BY LATE SUNDAY AFTERNOON...NORTHEAST WINDS INCREASE TO 15 TO 25 MPH WITH LOCAL GUSTS UP TO 35 MPH SUNDAY NIGHT AS ARCTIC AIR SURGES INTO WESTERN MONTANA VALLEYS. WIND CHILL VALUES OF 10 BELOW TO 25 BELOW ZERO ARE POSSIBLE...AS WELL SOME BLOWING AND DRIFTING OF SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ IDZ005-006-080545- /O.CON.KMSO.WS.W.0009.090308T0000Z-090309T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 139 PM PST SAT MAR 7 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM PST THIS AFTERNOON TO 5 PM PDT SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM PST THIS AFTERNOON TO 5 PM PDT SUNDAY. TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED BY SUNDAY EVENING. THIS INCLUDES THE HIGHWAY 11 CORRIDOR BETWEEN PIERCE AND HEADQUARTERS AS WELL AS THE HIGHWAY 12 CORRIDOR BETWEEN POWELL AND LOLO PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ003-080545- /O.EXB.KMSO.WW.Y.0040.090308T1200Z-090309T0000Z/ FLATHEAD/MISSION VALLEYS- 239 PM MST SAT MAR 7 2009 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TO 6 PM MDT SUNDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 AM TO 6 PM MDT SUNDAY. SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED SUNDAY IN THE FLATHEAD VALLEY...PRIMARILY NORTH OF FLATHEAD LAKE...INCLUDING KALISPELL. NORTH WINDS WILL BE INCREASING LATER IN THE AFTERNOON AS COLD AIR SPILLS OUT OF GLACIER PARK CAUSING LOCAL BLOWING AND DRIFTING OF SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ007-080545- /O.CON.KMSO.WW.Y.0040.090308T0000Z-090309T0000Z/ OROFINO/GRANGEVILLE REGION- 139 PM PST SAT MAR 7 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM PST THIS AFTERNOON TO 5 PM PDT SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM PST THIS AFTERNOON TO 5 PM PDT SUNDAY. TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE POSSIBLE BY SUNDAY EVENING. ALONG WITH SNOW...GUSTY WEST TO SOUTHWEST WINDS WILL CREATE BLOWING AND DRIFTING OF SNOW...ESPECIALLY ALONG AND AHEAD OF THE COLD FRONT. SOUTHERN LOCATIONS ALONG HIGHWAY 95 INCLUDING GRANGEVILLE AND COTTONWOOD WILL EXPERIENCE LESSER AMOUNTS OF SNOW...BUT WILL SEE THE INCREASED WINDS AND BLOWING AND DRIFTING OF SNOW. NORTHERN LOCATIONS INCLUDING KAMIAH AND WEIPPE WILL SEE HIGHER AMOUNTS OF THE SNOW ACCUMULATIONS THROUGH SUNDAY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ001-004-080545- /O.CON.KMSO.WW.Y.0040.090308T0000Z-090309T0000Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 239 PM MST SAT MAR 7 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM MST THIS AFTERNOON TO 6 PM MDT SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM MST THIS AFTERNOON TO 6 PM MDT SUNDAY. TOTAL SNOW ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED WITH GREATER AMOUNTS IN THE HIGHER TERRAIN AND OVER MOUNTAIN PASSES FROM THIS EVENING THROUGH SUNDAY EVENING. LOOKOUT PASS WILL BE AFFECTED BY THIS STORM SYSTEM...ESPECIALLY DURING THE COLD FRONT PASSAGE. BRIEF GUSTY WINDS ACCOMPANYING THE FRONT COULD CAUSE REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ006-080545- /O.CON.KMSO.WW.Y.0040.090308T0000Z-090309T0000Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 239 PM MST SAT MAR 7 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM MST THIS AFTERNOON TO 6 PM MDT SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM MST THIS AFTERNOON TO 6 PM MDT SUNDAY. TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES ARE EXPECTED WITH GREATER AMOUNTS IN THE HIGHER TERRAIN AND OVER MOUNTAIN PASSES BY SUNDAY EVENING. LOLO AND LOST TRAIL PASSES WILL BE AFFECTED BY THIS STORM SYSTEM. BRIEF GUSTY WINDS ACCOMPANYING THE FRONT COULD CAUSE REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ043-080545- /O.CON.KMSO.WW.Y.0040.090308T0000Z-090309T0000Z/ POTOMAC/SEELEY LAKE REGION- 239 PM MST SAT MAR 7 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM MST THIS AFTERNOON TO 6 PM MDT SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM MST THIS AFTERNOON TO 6 PM MDT SUNDAY. TOTAL SNOW ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED BY SUNDAY EVENING. BRIEF GUSTY WINDS ACCOMPANYING THE FRONT COULD CAUSE REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES. IN ADDITION TO SNOW...WINDS WILL BE INCREASING FROM THE NORTH AND EAST 15 TO 25 MPH SUNDAY NIGHT AS ARCTIC AIR SURGES INTO WESTERN MONTANA VALLEYS. WIND CHILL VALUES OF 10 BELOW TO 15 BELOW ZERO ARE POSSIBLE...AS WELL SOME BLOWING AND DRIFTING OF SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
000 WWUS45 KMSO 080241 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 741 PM MST SAT MAR 7 2009 .A COLD PACIFIC LOW PRESSURE TROUGH WILL BE MOVING OVER THE NORTHERN ROCKIES TONIGHT AND MONDAY. A COLD FRONT WILL ACCOMPANY THE TROUGH...AND WILL PASS THROUGH THE REGION STARTING IN NORTHWEST MONTANA THIS EVENING AND CONTINUING SOUTHEASTWARD THROUGH SUNDAY. THE TROUGH AND COLD FRONT WILL BRING WIDESPREAD SNOW AND COOLER TEMPERATURES TO MOST OF NORTH CENTRAL IDAHO AND WESTERN MONTANA. A MOIST UNSTABLE AIR MASS WILL FOLLOW THE INITIAL COLD FRONT AND HELP MAINTAIN SNOW SHOWERS. THE MAJORITY OF THE SNOW WILL BE WITH AND BEHIND THE COLD FRONT...BUT THE UPSLOPE COMPONENT FROM THE TERRAIN WILL ALLOW FOR ENHANCED MOUNTAIN SNOWFALL THROUGH SUNDAY EVENING. IN ADDITION TO SNOW...ARCTIC AIR POISED EAST OF THE CONTINENTAL DIVIDE WILL SURGE ACROSS THE DIVIDE...BEING USHERED IN BY STRONG EAST TO NORTHEAST WINDS. THIS COMBINATION OF VERY COLD AIR AND WIND WILL CREATE SUB ZERO WIND CHILL VALUES THROUGH THE TRAVEL CORRIDORS OF THE DIVIDE AND THOSE WESTERN MONTANA VALLEYS THAT ARE TYPICALLY IMPACTED BY ARCTIC INTRUSIONS. IDZ005-006-081200- /O.CON.KMSO.WS.W.0009.000000T0000Z-090309T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 641 PM PST SAT MAR 7 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT SUNDAY. TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED BY SUNDAY EVENING. THIS INCLUDES THE HIGHWAY 11 CORRIDOR BETWEEN PIERCE AND HEADQUARTERS AS WELL AS THE HIGHWAY 12 CORRIDOR BETWEEN POWELL AND LOLO PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ002-081200- /O.CON.KMSO.WS.W.0009.000000T0000Z-090309T0000Z/ WEST GLACIER REGION- 741 PM MST SAT MAR 7 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT SUNDAY. TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED BY SUNDAY EVENING. HIGHWAY 2 LEADING UP TO MARIAS PASS WILL BE AFFECTED BY THIS STORM SYSTEM. BRIEF GUSTY WINDS ACCOMPANYING THE FRONT COULD CAUSE REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES. BY LATE SUNDAY AFTERNOON...NORTHEAST WINDS INCREASE TO 15 TO 25 MPH WITH LOCAL GUSTS UP TO 35 MPH SUNDAY NIGHT AS ARCTIC AIR SURGES INTO WESTERN MONTANA VALLEYS. WIND CHILL VALUES OF 10 BELOW TO 25 BELOW ZERO ARE POSSIBLE...AS WELL SOME BLOWING AND DRIFTING OF SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ003-081200- /O.EXT.KMSO.WW.Y.0040.090308T0241Z-090309T0000Z/ FLATHEAD/MISSION VALLEYS- 741 PM MST SAT MAR 7 2009 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 PM MDT SUNDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 6 PM MDT SUNDAY. SNOW ACCUMULATIONS OF 2 TO 5 INCHES AND BLOWING SNOW REDUCING VISIBILITIES ARE EXPECTED TONIGHT THROUGH SUNDAY IN THE FLATHEAD VALLEY...PRIMARILY NORTH OF FLATHEAD LAKE...INCLUDING KALISPELL. GUSTY WEST WINDS TONIGHT WILL CREATE BLOWING SNOW REDUCING VISIBILITIES. WINDS WILL SWITCH OT THE NORTH AND INCREASE ON SUNDAY AFTERNOON AS COLD AIR SPILLS OUT OF GLACIER PARK CAUSING LOCAL BLOWING AND DRIFTING OF SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ007-081200- /O.CON.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ OROFINO/GRANGEVILLE REGION- 641 PM PST SAT MAR 7 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT SUNDAY. TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE POSSIBLE BY SUNDAY EVENING. ALONG WITH SNOW...GUSTY WEST TO SOUTHWEST WINDS WILL CREATE BLOWING AND DRIFTING OF SNOW...ESPECIALLY ALONG AND AHEAD OF THE COLD FRONT. SOUTHERN LOCATIONS ALONG HIGHWAY 95 INCLUDING GRANGEVILLE AND COTTONWOOD WILL EXPERIENCE LESSER AMOUNTS OF SNOW...BUT WILL SEE THE INCREASED WINDS AND BLOWING AND DRIFTING OF SNOW. NORTHERN LOCATIONS INCLUDING KAMIAH AND WEIPPE WILL SEE HIGHER AMOUNTS OF THE SNOW ACCUMULATIONS THROUGH SUNDAY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ001-004-081200- /O.CON.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 741 PM MST SAT MAR 7 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT SUNDAY. TOTAL SNOW ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED WITH GREATER AMOUNTS IN THE HIGHER TERRAIN AND OVER MOUNTAIN PASSES FROM THIS EVENING THROUGH SUNDAY EVENING. LOOKOUT PASS WILL BE AFFECTED BY THIS STORM SYSTEM...ESPECIALLY DURING THE COLD FRONT PASSAGE. BRIEF GUSTY WINDS ACCOMPANYING THE FRONT COULD CAUSE REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ006-081200- /O.CON.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 741 PM MST SAT MAR 7 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT SUNDAY. TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES ARE EXPECTED WITH GREATER AMOUNTS IN THE HIGHER TERRAIN AND OVER MOUNTAIN PASSES BY SUNDAY EVENING. LOLO AND LOST TRAIL PASSES WILL BE AFFECTED BY THIS STORM SYSTEM. BRIEF GUSTY WINDS ACCOMPANYING THE FRONT COULD CAUSE REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ043-081200- /O.CON.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ POTOMAC/SEELEY LAKE REGION- 741 PM MST SAT MAR 7 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT SUNDAY. TOTAL SNOW ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED BY SUNDAY EVENING. BRIEF GUSTY WINDS ACCOMPANYING THE FRONT COULD CAUSE REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES. IN ADDITION TO SNOW...WINDS WILL BE INCREASING FROM THE NORTH AND EAST 15 TO 25 MPH SUNDAY NIGHT AS ARCTIC AIR SURGES INTO WESTERN MONTANA VALLEYS. WIND CHILL VALUES OF 10 BELOW TO 15 BELOW ZERO ARE POSSIBLE...AS WELL SOME BLOWING AND DRIFTING OF SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
000 WWUS45 KMSO 081028 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 428 AM MDT SUN MAR 8 2009 .A COLD PACIFIC LOW PRESSURE TROUGH WILL CONTINUE ITS PRESENCE OVER THE NORTHERN ROCKIES TODAY AND MONDAY. A MOIST AND UNSTABLE AIR MASS WILL REMAIN THROUGH TODAY AND WILL HELP MAINTAIN SNOW SHOWERS. COOLING ALOFT WILL ENHANCE THE INSTABILITY OF THE AIRMASS TODAY BRINGING THE POTENTIAL FOR MODERATE TO STRONG SNOW SHOWERS THROUGH THIS EVENING. IN ADDITION TO SNOW...ARCTIC AIR POISED EAST OF THE CONTINENTAL DIVIDE WILL SURGE ACROSS THE DIVIDE STARTING LATE SUNDAY EVENING. THIS AIR WILL BE USHERED IN BY STRONG EAST TO NORTHEAST WINDS. THIS COMBINATION OF VERY COLD AIR AND WIND WILL CREATE SUB ZERO WIND CHILL VALUES THROUGH THE TRAVEL CORRIDORS OF THE DIVIDE AND THOSE WESTERN MONTANA VALLEYS THAT ARE TYPICALLY IMPACTED BY ARCTIC INTRUSIONS. SUB ZERO WIND CHILLS ARE EXPECTED THROUGH EARLY MONDAY. IDZ005-006-082100- /O.CON.KMSO.WS.W.0009.000000T0000Z-090309T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 328 AM PDT SUN MAR 8 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED BY THIS EVENING. THIS INCLUDES THE HIGHWAY 11 CORRIDOR BETWEEN PIERCE AND HEADQUARTERS AS WELL AS THE HIGHWAY 12 CORRIDOR BETWEEN POWELL AND LOLO PASS. STRONG SNOW SHOWERS WILL HAVE THE POTENTIAL TO RAPIDLY REDUCE VISIBILITIES FROM TIME TO TIME THROUGH THE DAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ MTZ002-082100- /O.CON.KMSO.WS.W.0009.000000T0000Z-090309T0000Z/ WEST GLACIER REGION- 428 AM MDT SUN MAR 8 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED BY THIS EVENING. HIGHWAY 2 LEADING UP TO MARIAS PASS WILL BE AFFECTED BY THIS STORM SYSTEM. BRIEF HEAVY SNOW SHOWERS COULD CAUSE REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES. BY LATE THIS AFTERNOON...NORTHEAST WINDS INCREASE TO 15 TO 25 MPH WITH LOCAL GUSTS UP TO 35 MPH TONIGHT AS ARCTIC AIR SURGES INTO WESTERN MONTANA VALLEYS. WIND CHILL VALUES OF 10 BELOW TO 25 BELOW ZERO ARE POSSIBLE...AS WELL SOME BLOWING AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ IDZ007-082100- /O.CON.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ OROFINO/GRANGEVILLE REGION- 328 AM PDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE POSSIBLE BY THIS EVENING. BRIEF HEAVY SNOW SHOWERS COULD BRING QUICK SNOW ACCUMULATIONS TO ROADWAYS AS WELL AS REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES THROUGH TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ003-082100- /O.CON.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ FLATHEAD/MISSION VALLEYS- 428 AM MDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED BY THIS EVENING IN THE FLATHEAD VALLEY...PRIMARILY NORTH OF FLATHEAD LAKE...INCLUDING KALISPELL. BRIEF HEAVY SNOW SHOWERS COULD BRING QUICK SNOW ACCUMULATIONS ON THE ROADWAYS AS WELL AS REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES THROUGH TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ001-004-082100- /O.CON.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 428 AM MDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. TOTAL SNOW ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED WITH GREATER AMOUNTS IN THE HIGHER TERRAIN AND OVER MOUNTAIN PASSES BY THIS EVENING. LOOKOUT PASS WILL BE AFFECTED BY THIS STORM SYSTEM. BRIEF HEAVY SNOW SHOWERS COULD CAUSE REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES THROUGH TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ006-082100- /O.CON.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 428 AM MDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES ARE EXPECTED WITH GREATER AMOUNTS IN THE HIGHER TERRAIN AND OVER MOUNTAIN PASSES BY THIS EVENING. LOLO AND LOST TRAIL PASSES WILL BE AFFECTED BY THIS STORM SYSTEM. BRIEF HEAVY SNOW SHOWERS COULD CAUSE REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES THROUGH TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ043-082100- /O.CON.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ POTOMAC/SEELEY LAKE REGION- 428 AM MDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. TOTAL SNOW ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED BY SUNDAY EVENING. BRIEF HEAVY SNOW SHOWERS COULD BRING QUICK SNOW ACCUMULATIONS TO THE ROADWAYS AND RESULT IN REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES THROUGH TODAY. IN ADDITION TO SNOW...WINDS WILL BE INCREASING FROM THE NORTH AND EAST 15 TO 25 MPH SUNDAY NIGHT AS ARCTIC AIR SURGES INTO WESTERN MONTANA VALLEYS. WIND CHILL VALUES OF 10 BELOW TO 15 BELOW ZERO ARE POSSIBLE...AS WELL SOME BLOWING AND DRIFTING OF SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
000 WWUS45 KMSO 081649 WSWMSO URGENT - WINTER WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE MISSOULA MT 1049 AM MDT SUN MAR 8 2009 .A COLD PACIFIC LOW PRESSURE TROUGH WILL CONTINUE ITS PRESENCE OVER THE NORTHERN ROCKIES TODAY AND MONDAY. A MOIST AND UNSTABLE AIR MASS WILL REMAIN THROUGH TODAY AND WILL HELP MAINTAIN SNOW SHOWERS. COOLING ALOFT WILL ENHANCE THE INSTABILITY OF THE AIRMASS TODAY BRINGING THE POTENTIAL FOR MODERATE TO STRONG SNOW SHOWERS THROUGH THIS EVENING. IN ADDITION TO SNOW...ARCTIC AIR POISED EAST OF THE CONTINENTAL DIVIDE WILL SURGE ACROSS THE DIVIDE STARTING LATE SUNDAY EVENING. THIS AIR WILL BE USHERED IN BY STRONG EAST TO NORTHEAST WINDS. THIS COMBINATION OF VERY COLD AIR AND WIND WILL CREATE SUB ZERO WIND CHILL VALUES THROUGH THE TRAVEL CORRIDORS OF THE DIVIDE AND THOSE WESTERN MONTANA VALLEYS THAT ARE TYPICALLY IMPACTED BY ARCTIC INTRUSIONS. SUB ZERO WIND CHILLS ARE EXPECTED THROUGH EARLY MONDAY. IDZ005-006-090000- /O.CON.KMSO.WS.W.0009.000000T0000Z-090309T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 949 AM PDT SUN MAR 8 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED BY THIS EVENING. THIS INCLUDES THE HIGHWAY 11 CORRIDOR BETWEEN PIERCE AND HEADQUARTERS AS WELL AS THE HIGHWAY 12 CORRIDOR BETWEEN POWELL AND LOLO PASS. STRONG SNOW SHOWERS WILL HAVE THE POTENTIAL TO RAPIDLY REDUCE VISIBILITIES FROM TIME TO TIME THROUGH THE DAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ MTZ002-090000- /O.CON.KMSO.WS.W.0009.000000T0000Z-090309T0000Z/ WEST GLACIER REGION- 1049 AM MDT SUN MAR 8 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED BY THIS EVENING. HIGHWAY 2 LEADING UP TO MARIAS PASS WILL BE AFFECTED BY THIS STORM SYSTEM. BRIEF HEAVY SNOW SHOWERS COULD CAUSE REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES. BY LATE THIS AFTERNOON...NORTHEAST WINDS WILL INCREASE TO 15 TO 25 MPH WITH LOCAL GUSTS UP TO 35 MPH AS ARCTIC AIR SURGES INTO WESTERN MONTANA VALLEYS. WIND CHILL VALUES OF 10 BELOW TO 25 BELOW ZERO ARE POSSIBLE...AS WELL SOME BLOWING AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ IDZ007-090000- /O.CON.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ OROFINO/GRANGEVILLE REGION- 949 AM PDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE POSSIBLE BY THIS EVENING. BRIEF HEAVY SNOW SHOWERS COULD BRING QUICK SNOW ACCUMULATIONS TO ROADWAYS AS WELL AS REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES THROUGH TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ003-090000- /O.CON.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ FLATHEAD/MISSION VALLEYS- 1049 AM MDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED BY THIS AFTERNOON IN THE FLATHEAD VALLEY...PRIMARILY NORTH OF FLATHEAD LAKE...INCLUDING KALISPELL. SNOW...IN COMBINATION WITH NORTH WINDS 15 TO 25 MPH WITH GUSTS UP TO 35 WILL RESULT IN AREAS OF REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES THROUGH TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ001-004-090000- /O.CON.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 1049 AM MDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. TOTAL SNOW ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED WITH GREATER AMOUNTS IN THE HIGHER TERRAIN AND OVER MOUNTAIN PASSES BY THIS EVENING. LOOKOUT PASS WILL BE AFFECTED BY THIS STORM SYSTEM. BRIEF HEAVY SNOW SHOWERS COULD CAUSE REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES THROUGH TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ006-090000- /O.CON.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 1049 AM MDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES ARE EXPECTED WITH GREATER AMOUNTS IN THE HIGHER TERRAIN AND OVER MOUNTAIN PASSES BY THIS EVENING. LOLO AND LOST TRAIL PASSES WILL BE AFFECTED BY THIS STORM SYSTEM. BRIEF HEAVY SNOW SHOWERS COULD CAUSE REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES THROUGH TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ043-090000- /O.CON.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ POTOMAC/SEELEY LAKE REGION- 1049 AM MDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. TOTAL SNOW ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED BY SUNDAY EVENING. BRIEF HEAVY SNOW SHOWERS COULD BRING QUICK SNOW ACCUMULATIONS TO THE ROADWAYS AND RESULT IN REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES THROUGH TODAY. IN ADDITION TO SNOW...WINDS WILL BE INCREASING FROM THE NORTH AND EAST 15 TO 25 MPH SUNDAY NIGHT AS ARCTIC AIR SURGES INTO WESTERN MONTANA VALLEYS. WIND CHILL VALUES OF 10 BELOW TO 15 BELOW ZERO ARE POSSIBLE...AS WELL SOME BLOWING AND DRIFTING OF SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
000 WWUS45 KMSO 082023 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 223 PM MDT SUN MAR 8 2009 .SNOW SHOWERS WILL CONTINUE INTO THE EVENING HOURS AS A COLD UPPER LEVEL LOW PRESSURE SYSTEM HOLDS STEADY OVER THE NORTHERN ROCKIES REGION. THERE CONTINUES TO BE CONSIDERABLE ENHANCEMENT OF SHOWER ACTIVITY OVER THE IDAHO PANHANDLE...THEN EXTENDING ACROSS PORTIONS OF NORTHWEST MONTANA THIS AFTERNOON. ELSEWHERE...WESTERLY WINDS ALOFT CONCENTRATING SHOWERS OVER THE MOUNTAINOUS REGIONS THANKS TO UPSLOPE ENHANCEMENT. SHOWER ACTIVITY IS EXPECTED TO DECREASE TONIGHT. HOWEVER...ARCTIC AIR HAS ALREADY BEGUN TO SURGE ACROSS THE CONTINENTAL DIVIDE THANKS TO INCREASING NORTHEAST WINDS. THE COMBINATION OF STRONG WINDS AND COLD TEMPERATURES WILL CREATE WIND CHILLS WELL BELOW ZERO LATER TONIGHT AND INTO MONDAY MORNING. IDZ007-082130- /O.CAN.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ OROFINO/GRANGEVILLE REGION- 123 PM PDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. ALTHOUGH SNOW SHOWERS ARE STILL POSSIBLE...ACCUMULATING SNOWFALL WILL BECOME MORE LOCALIZED. $$ MTZ002-090600- /O.NEW.KMSO.WC.Y.0003.090309T0600Z-090309T1900Z/ /O.CON.KMSO.WS.W.0009.000000T0000Z-090309T0000Z/ WEST GLACIER REGION- 223 PM MDT SUN MAR 8 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT MONDAY. A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. ADDITIONAL SNOWFALL OF 1 TO 2 INCHES ARE EXPECTED THROUGH THE REMAINDER OF THE AFTERNOON. STORM TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED. HIGHWAY 2 LEADING UP TO MARIAS PASS WILL BE AFFECTED BY THIS STORM SYSTEM. STRONG EAST TO NORTHEAST WINDS 15 TO 25 MPH WITH LOCAL GUSTS TO 35 MPH WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW AND REDUCED VISIBILITIES. IN ADDITION...THE COMBINATION OF STRONG WIND AND COLD TEMPERATURES WILL RESULT IN WIND CHILL VALUES OF 10 BELOW TO 25 BELOW ZERO AFTER MIDNIGHT TONIGHT. DANGEROUS WIND CHILLS WILL PERSIST THROUGH MONDAY MORNING. 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. && $$ IDZ005-006-090000- /O.CON.KMSO.WS.W.0009.000000T0000Z-090309T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 123 PM PDT SUN MAR 8 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON. STORM TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED BY THIS EVENING. THIS INCLUDES THE HIGHWAY 11 CORRIDOR BETWEEN PIERCE AND HEADQUARTERS AS WELL AS THE HIGHWAY 12 CORRIDOR BETWEEN POWELL AND LOLO PASS. STRONG SNOW SHOWERS WILL HAVE THE POTENTIAL TO RAPIDLY REDUCE VISIBILITIES THROUGH THE REMAINDER OF THE AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ MTZ043-090600- /O.NEW.KMSO.WC.Y.0003.090309T0600Z-090309T1900Z/ /O.CON.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ POTOMAC/SEELEY LAKE REGION- 223 PM MDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT MONDAY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. STORM TOTAL SNOW ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED BY SUNDAY EVENING. BRIEF HEAVY SNOW SHOWERS COULD BRING QUICK SNOW ACCUMULATIONS TO THE ROADWAYS AND RESULT IN REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES THROUGH THE REMAINDER OF THE AFTERNOON. IN ADDITION TO SNOW...WINDS WILL BE INCREASING FROM THE NORTH AND EAST 15 TO 25 MPH AFTER MIDNIGHT TONIGHT AS ARCTIC AIR SURGES INTO WESTERN MONTANA. WIND CHILL VALUES OF 10 BELOW TO 15 BELOW ZERO ARE POSSIBLE...AS WELL SOME BLOWING AND DRIFTING OF SNOW. DANGEROUS WIND CHILLS WILL PERSIST THROUGH MONDAY MORNING. 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. && $$ MTZ007-090600- /O.NEW.KMSO.WC.Y.0003.090309T0600Z-090309T1900Z/ BUTTE/BLACKFOOT REGION- 223 PM MDT SUN MAR 8 2009 ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT MONDAY. WINDS WILL BE INCREASING FROM THE NORTHEAST 15 TO 25 MPH AFTER MIDNIGHT TONIGHT AS ARCTIC AIR SURGES INTO WESTERN MONTANA. WIND CHILL VALUES OF 10 BELOW TO 20 BELOW ZERO ARE EXPECTED. DANGEROUS WIND CHILLS WILL PERSIST THROUGH MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. && $$ MTZ003-090000- /O.CON.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ FLATHEAD/MISSION VALLEYS- 223 PM MDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. STORM TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED BY THIS EVENING IN THE FLATHEAD VALLEY...PRIMARILY NORTH OF FLATHEAD LAKE...INCLUDING KALISPELL. SNOW...IN COMBINATION WITH NORTH WINDS 15 TO 25 MPH WITH GUSTS UP TO 35 WILL RESULT IN AREAS OF REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES THROUGH THE REMAINDER OF THE AFTERNOON. SOME BLOWING AND DRIFTING OF SNOW MAY CONTINUE OVERNIGHT IN THE NORTH FLATHEAD VALLEY AS COLD AIR CONTINUES TO FLOOD INTO THE VALLEY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ001-004-090000- /O.CON.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 223 PM MDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. STORM TOTAL SNOW ACCUMULATIONS OF 2 TO 6 INCHES ARE EXPECTED BY THIS EVENING. LOOKOUT PASS WILL BE AFFECTED BY THIS STORM SYSTEM. BRIEF HEAVY SNOW SHOWERS COULD CAUSE REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES THROUGH THE REMAINDER OF THE AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ006-090000- /O.CON.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 223 PM MDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. STORM TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES ARE EXPECTED BY THIS EVENING. LOLO AND LOST TRAIL PASSES WILL BE AFFECTED BY THIS STORM SYSTEM. BRIEF HEAVY SNOW SHOWERS COULD CAUSE REDUCED VISIBILITIES AND POOR DRIVING CONDITIONS AT TIMES THROUGH THE REMAINDER OF THE AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
000 WWUS45 KMSO 082353 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 553 PM MDT SUN MAR 8 2009 .SNOW SHOWERS WILL CONTINUE INTO THE EVENING HOURS AS A COLD UPPER LEVEL LOW PRESSURE SYSTEM HOLDS STEADY OVER THE NORTHERN ROCKIES REGION. SNOW SHOWERS WILL DECREASE AFTER SUNSET. SIGNIFICANT ACCUMULATIONS ARE NOT EXPECTED THUS THE WINTER WARNINGS AND ADVISORIES HAVE BEEN CANCELE. ARCTIC AIR HAS ALREADY BEGUN TO SURGE ACROSS THE CONTINENTAL DIVIDE THANKS TO INCREASING NORTHEAST WINDS. THE COMBINATION OF STRONG WINDS AND COLD TEMPERATURES WILL CREATE WIND CHILLS WELL BELOW ZERO LATER TONIGHT AND INTO MONDAY MORNING. MTZ002-091100- /O.CAN.KMSO.WS.W.0009.000000T0000Z-090309T0000Z/ /O.CON.KMSO.WC.Y.0003.090309T0600Z-090309T1900Z/ WEST GLACIER REGION- 553 PM MDT SUN MAR 8 2009 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT MONDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT MONDAY. EXPECT SOME SCATTERED SNOW SHOWERS THIS EVENING WITH LITTLE ACCUMULATON EXPECTED. IN ADDITION...THE COMBINATION OF STRONG WIND AND COLD TEMPERATURES WILL RESULT IN WIND CHILL VALUES OF 10 BELOW TO 25 BELOW ZERO AFTER MIDNIGHT TONIGHT. DANGEROUS WIND CHILLS WILL PERSIST THROUGH MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ IDZ005-006-090100- /O.CAN.KMSO.WS.W.0009.000000T0000Z-090309T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 453 PM PDT SUN MAR 8 2009 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. $$ MTZ043-091100- /O.CAN.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ /O.CON.KMSO.WC.Y.0003.090309T0600Z-090309T1900Z/ POTOMAC/SEELEY LAKE REGION- 553 PM MDT SUN MAR 8 2009 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT MONDAY... ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT MONDAY. EXPECT SOME SCATTERED SNOW LINGERING SHOWERS THIS EVENING WITH LITTLE ACCUMULATON EXPECTED. IN ADDITION TO SNOW...WINDS WILL BE INCREASING FROM THE NORTH AND EAST 15 TO 25 MPH AFTER MIDNIGHT TONIGHT AS ARCTIC AIR SURGES INTO WESTERN MONTANA. WIND CHILL VALUES OF 10 BELOW TO 15 BELOW ZERO ARE POSSIBLE...AS WELL SOME BLOWING AND DRIFTING OF SNOW. DANGEROUS WIND CHILLS WILL PERSIST THROUGH MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. && $$ MTZ001-003-004-006-090100- /O.CAN.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ KOOTENAI/CABINET REGION-FLATHEAD/MISSION VALLEYS- LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 553 PM MDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. EXPECT SOME SCATTERED SNOW SHOWERS THIS EVENING WITH LITTLE ACCUMULATON EXPECTED. $$ MTZ007-091100- /O.CON.KMSO.WC.Y.0003.090309T0600Z-090309T1900Z/ BUTTE/BLACKFOOT REGION- 553 PM MDT SUN MAR 8 2009 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT MONDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT MONDAY. WINDS WILL BE INCREASING FROM THE NORTHEAST 15 TO 25 MPH AFTER MIDNIGHT TONIGHT AS ARCTIC AIR SURGES INTO WESTERN MONTANA. WIND CHILL VALUES OF 10 BELOW TO 20 BELOW ZERO ARE EXPECTED. DANGEROUS WIND CHILLS WILL PERSIST THROUGH MONDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. && $$
000 WWUS45 KMSO 090000 CCA WSWMSO URGENT - WINTER WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE MISSOULA MT 559 PM MDT SUN MAR 8 2009 .SNOW SHOWERS WILL CONTINUE INTO THE EVENING HOURS AS A COLD UPPER LEVEL LOW PRESSURE SYSTEM HOLDS STEADY OVER THE NORTHERN ROCKIES REGION. SNOW SHOWERS WILL DECREASE AFTER SUNSET. SIGNIFICANT ACCUMULATIONS ARE NOT EXPECTED THUS THE WINTER WARNINGS AND ADVISORIES HAVE BEEN CANCELE. ARCTIC AIR HAS ALREADY BEGUN TO SURGE ACROSS THE CONTINENTAL DIVIDE THANKS TO INCREASING NORTHEAST WINDS. THE COMBINATION OF STRONG WINDS AND COLD TEMPERATURES WILL CREATE WIND CHILLS WELL BELOW ZERO LATER TONIGHT AND INTO MONDAY MORNING. MTZ002-091115- /O.CAN.KMSO.WS.W.0009.000000T0000Z-090309T0000Z/ /O.COR.KMSO.WC.Y.0003.090309T0600Z-090309T1900Z/ WEST GLACIER REGION- 559 PM MDT SUN MAR 8 2009 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT MONDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT MONDAY. EXPECT SOME SCATTERED SNOW SHOWERS THIS EVENING WITH LITTLE ACCUMULATON EXPECTED. IN ADDITION...THE COMBINATION OF STRONG WIND AND COLD TEMPERATURES WILL RESULT IN WIND CHILL VALUES OF 10 BELOW TO 25 BELOW ZERO AFTER MIDNIGHT TONIGHT. DANGEROUS WIND CHILLS WILL PERSIST THROUGH MONDAY MORNING. 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. && $$ IDZ005-006-090100- /O.COR.KMSO.WS.W.0009.000000T0000Z-090309T0000Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 459 PM PDT SUN MAR 8 2009 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. SNOW SHOWERS HAVE DECREASED IN COVERAGE AND INTENSTITY. FURTHER SIGNIFICANT ACCUMULATIONS ARE EXPECTED. $$ MTZ043-091115- /O.CAN.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ /O.COR.KMSO.WC.Y.0003.090309T0600Z-090309T1900Z/ POTOMAC/SEELEY LAKE REGION- 559 PM MDT SUN MAR 8 2009 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT MONDAY... ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT MONDAY. EXPECT SOME SCATTERED SNOW LINGERING SHOWERS THIS EVENING WITH LITTLE ACCUMULATON EXPECTED. IN ADDITION TO SNOW...WINDS WILL BE INCREASING FROM THE NORTH AND EAST 15 TO 25 MPH AFTER MIDNIGHT TONIGHT AS ARCTIC AIR SURGES INTO WESTERN MONTANA. WIND CHILL VALUES OF 10 BELOW TO 15 BELOW ZERO ARE POSSIBLE...AS WELL SOME BLOWING AND DRIFTING OF SNOW. DANGEROUS WIND CHILLS WILL PERSIST THROUGH MONDAY MORNING. 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. && $$ MTZ001-003-004-006-090100- /O.COR.KMSO.WW.Y.0040.000000T0000Z-090309T0000Z/ KOOTENAI/CABINET REGION-FLATHEAD/MISSION VALLEYS- LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 559 PM MDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. EXPECT SOME SCATTERED SNOW SHOWERS THIS EVENING WITH LITTLE ACCUMULATON EXPECTED. SNOW SHOWERS HAVE DECREASED IN COVERAGE AND INTENSTITY. FURTHER SIGNIFICANT ACCUMULATIONS ARE EXPECTED. $$ MTZ007-091115- /O.CON.KMSO.WC.Y.0003.090309T0600Z-090309T1900Z/ BUTTE/BLACKFOOT REGION- 559 PM MDT SUN MAR 8 2009 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT MONDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM MDT MONDAY. WINDS WILL BE INCREASING FROM THE NORTHEAST 15 TO 25 MPH AFTER MIDNIGHT TONIGHT AS ARCTIC AIR SURGES INTO WESTERN MONTANA. WIND CHILL VALUES OF 10 BELOW TO 20 BELOW ZERO ARE EXPECTED. DANGEROUS WIND CHILLS WILL PERSIST THROUGH MONDAY MORNING. 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. && $$
What forecasters said that day
The local office's own words before this winter storm warning 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 winter storm warning went out at Mar 7, 3:43 AM MST, 41 minutes earlier.
Area forecast discussion, Mar 7, 3:43 AM MST, 41 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
343 AM MST SAT MAR 7 2009
.DISCUSSION...A PACIFIC LOW PRESSURE TROUGH IS CURRENTLY
MAKING LANDFALL ON THE WA COAST THIS MORNING. THIS TROUGH WILL BE
THE NEXT FEATURE TO BRING WIDESPREAD SNOW AND COOLER TEMPERATURES
TO NORTH CENTRAL IDAHO AND WESTERN MONTANA. A STRONG COLD FRONT
WILL BE ENHANCED BY AN UPPER LEVEL JET ALLOWING FOR INTENSE LIFT AS
IT PASSES. MODERATE TO HEAVY SNOW WILL WILL BE IN RESPONSE WITH THE
COLD FRONT PASSAGE STARTING THIS EVENING IN NORTHWEST MONTANA AND
CONTINUING SOUTHEASTWARD THROUGH SUNDAY. MOST LOCATIONS ARE
EXPECTED TO RECEIVE SNOWFALL AS THE FRONT PASSES BUT ACCUMULATION
TOTALS WILL BE VASTLY DIFFERENT. THE CLEARWATER MOUNTAINS AND MOST
OF THE HIGHER TERRAIN IN NORTH CENTRAL IDAHO WILL SEE ENHANCED
SNOWFALL DUE TO OROGRAPHIC LIFT. THIS LOCATION WILL THEN SEE THE
MOST SNOW ACCUMULATIONS. HIGHER ELEVATIONS OF WESTERN MONTANA
WILL SEE RESPECTABLE SNOW TOTALS WITH LOWER AMOUNTS IN THE VALLEYS.
NUMEROUS WARNING AND ADVISORIES HAVE BEEN POSTED FOR THIS
SYSTEM...FOR MORE INFORMATION PLEASE REFER TO
WWW.WEATHER.GOV/MISSOULA.
MONDAY THROUGH FRIDAY...BY MONDAY MORNING THE COLD TROUGH ALOFT
WILL BE OVER THE PACIFIC NORTHWEST AND NORTHERN ROCKY MOUNTAINS.
AN ARCTIC AIRMASS WILL BE OVER EASTERN MONTANA AND SPILLING
WESTWARD ACROSS THE DIVIDE WITH AREAS OF DANGEROUS WIND CHILLS
POSSIBLE. MONDAY AFTERNOON THROUGH MONDAY NIGHT THE SECOND PART OF
THE STORM SYSTEM WILL BRING A SURFACE LOW PRESSURE AREA...
TRACKING FROM EASTERN WASHINGTON TO SOUTHWEST MONTANA. THIS CAN BE
A POTENT PATTERN FOR SNOWFALL IN THE WESTERN MONTANA VALLEYS AND
MOUNTAINS WITH WARMER AIR MOVING OVER THE ARCTIC AIR AT THE
SURFACE. SNOW SHOWERS SHOULD CONTINUE THROUGH MUCH OF TUESDAY.
FOR TUESDAY NIGHT THROUGH FRIDAY A SLOW WARMING TREND IS EXPECTED
AS THE MODELS ARE IN AGREEMENT WITH A RIDGE OF HIGH PRESSURE ALOFT
BUILDING OVER THE AREA. THE HEAVIEST CLOUD COVER AND BEST CHANCE
OF LIGHT SHOWERS WILL BE SHUNTED NORTH TO THE CANADIAN BORDER.
&&
.AVIATION...SKY COVER WILL BE ON THE INCREASE TODAY AS THE NEXT
PACIFIC TROUGH OF LOW PRESSURE APPROACHES FROM THE WEST. NORTHWEST
MONTANA WILL BEGIN TO SEE SNOWFALL THIS EVENING AS AN ASSOCIATED COLD
FRONT ARRIVES. THIS TROUGH AND COLD FRONT WILL BRING WIDESPREAD
SNOW WITH LOWERED CEILING AND VISIBILITIES TO KGPI BY 02Z THIS
EVENING. THESE POOR CONDITIONS WILL LAST INTO THE OVERNIGHT WITH
SOME IMPROVEMENT FOR A SHORT TIME BEFORE DEGRADED CONDITIONS
RETURN THROUGH SUNDAY. KMSO WILL SEE GRADUALLY DECREASING
CONDITIONS THROUGH THE EVENING WITH LOWERED CEILINGS AND
VISIBILITIES BY 05Z TONIGHT. KBTM AND KSMN WILL FOLLOW WITH POOR
FLIGHT CONDITIONS BY SUNDAY MORNING.
&&
.MSO WATCHES/WARNINGS/ADVISORIES...
MT... WINTER WEATHER ADVISORY FROM 5 PM MST THIS AFTERNOON TO 6 PM MDT
SUNDAY FOR BITTERROOT/SAPPHIRE MOUNTAINS-KOOTENAI/CABINET
REGION-LOWER CLARK FORK REGION-POTOMAC/SEELEY LAKE REGION-
WEST GLACIER REGION.
ID...WINTER WEATHER ADVISORY FROM 4 PM PST THIS AFTERNOON TO 5 PM PDT
SUNDAY FOR OROFINO/GRANGEVILLE REGION.
WINTER STORM WARNING FROM 4 PM PST THIS AFTERNOON TO 5 PM PDT
SUNDAY FOR NORTHERN CLEARWATER MOUNTAINS-SOUTHERN
CLEARWATER MOUNTAINS.
&&
SHORT TERM...KITSMILLER
LONG TERM....GIBSON
AVIATION...KITSMILLERHazardous weather outlook, Mar 7, 4:10 AM MST, 14 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MISSOULA MT 410 AM MST SAT MAR 7 2009 IDZ005-006-MTZ001>004-006-043-080000- NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- KOOTENAI/CABINET REGION-WEST GLACIER REGION- FLATHEAD/MISSION VALLEYS-LOWER CLARK FORK REGION- BITTERROOT/SAPPHIRE MOUNTAINS-POTOMAC/SEELEY LAKE REGION- 410 AM MST SAT MAR 7 2009 /310 AM PST SAT MAR 7 2009/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL IDAHO...NORTHWEST MONTANA AND WEST CENTRAL MONTANA. .DAY ONE...TODAY AND TONIGHT AREAS OF SNOW WILL SPREAD SOUTH INTO THE OUTLOOK AREA THIS AFTERNOON AND CONTINUE...HEAVY AT TIMES THROUGH TONIGHT. TRAVEL MAY BE SEVERELY IMPACTED...ESPECIALLY AT THE HIGHER ELEVATIONS SUCH AS LOOKOUT...LOLO AND MARIAS PASSES. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY AREAS OF SNOW WILL CONTINUE TO BE HEAVY AT TIMES. ON SUNDAY NIGHT MUCH COLDER ARCTIC AIR WILL PUSH SOUTH AND WEST INTO NORTHWEST MONTANA WITH LOCAL DANGEROUS WIND CHILL VALUES POSSIBLE. COLD AND GUSTY NORTH TO NORTHEAST WINDS WILL THEN CONTINUE THROUGH MONDAY NIGHT...ALONG WITH AREAS OF SNOW. DRIER CONDITIONS WILL DEVELOP BY MID-WEEK WITH A SLOW WARMING TREND. .SPOTTER INFORMATION STATEMENT... MONITOR NOAA WEATHER RADIO FOR THE LATEST INFORMATION... FORECASTS...AND WARNINGS. IDZ007>010-MTZ005-007-080000- OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- MISSOULA/BITTERROOT VALLEYS-BUTTE/BLACKFOOT REGION- 410 AM MST SAT MAR 7 2009 /310 AM PST SAT MAR 7 2009/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL IDAHO AND WEST CENTRAL MONTANA. .DAY ONE...TODAY AND TONIGHT SNOW SHOWERS ARE LIKELY TONIGHT ALTHOUGH ACCUMULATIONS ARE EXPECTED TO BE LIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY SCATTERED SNOW SHOWERS WILL CONTINUE SUNDAY AND SUNDAY NIGHT. SNOW IS EXPECTED TO INCREASE AGAIN OVER MUCH OF THE AREA MONDAY AFTERNOON THROUGH MONDAY NIGHT ALONG WITH MUCH COLDER TEMPERATURES. DRIER CONDITIONS WILL DEVELOP BY MID-WEEK WITH A SLOW WARMING TREND. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGE 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 4:24 AM MST | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more | 37 hr |
Nearby
Winter Storm Warnings in Montana, 2009Winter Storm Warnings in Idaho, 2009Every winter storm warning in 2009
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.