Alert archive / Montana / Winter Storm Warnings in 2009
Winter Storm Warning 3, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Jan 6, 2009, 4:15 AM MST for 9 counties in Montana; Clearwater County, Idaho County, Idaho. It was in force for 30 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
- Jan 6, 2009, 4:15 AM MST (11:15 UTC)
- Expired
- Jan 7, 2009, 9:56 AM MST
- In force
- 30 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Idaho County, ID, Flathead County, MT, Granite County, MT, Lake County, MT, Lincoln County, MT, Mineral County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 38 km from the middle of the area, began a volume at 11:21 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 |
|---|---|---|---|
| Jan 7, 8:15 AM MST | SNOW 8 | 7 Nnw Seeley Lake, MT | NEW SNOW SINCE TUESDAY AFTERNOON |
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, 11.3 hours before the alert went out and 159 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
- 589 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 180 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 061115 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 415 AM MST TUE JAN 6 2009 .AN UNSTABLE ATMOSPHERE HAS ALLOWED SNOW BANDS TO DEVELOP AND PERSIST OVER MUCH OF WESTERN MONTANA THROUGH THE NIGHT. HIGHWAY 83 BETWEEN SEELEY LAKE AND CONDON HAS BEEN THE LOCATION MOST IMPACTED BY THIS OVERNIGHT AND THIS WILL CONTINUE THROUGH THE MORNING. ANOTHER MOIST PACIFIC WEATHER SYSTEM WILL BEGIN TO IMPACT THE AREA THIS AFTERNOON. MODERATE TO HEAVY SNOW IS POSSIBLE IN THE MOUNTAINS BEGINNING THIS AFTERNOON AND CONTINUING THROUGH WEDNESDAY. ADDITIONALLY A TIGHT SURFACE PRESSURE GRADIENT AND STRONG WINDS ALOFT WILL CREATE STRONG WINDS THAT WILL RESULT IN BLOWING SNOW REDUCING VISIBILITY...ESPECIALLY OVER THE HIGHER ELEVATIONS OF THE MOUNTAINS PASSES. AN INFLUX OF WARMER AIR FROM THE SOUTH WILL CAUSE SNOW LEVELS TO RISE TUESDAY NIGHT AND WEDNESDAY RESULTING IN A CHANGE OVER TO RAIN AT THE LOWER ELEVATIONS. DURING THIS TRANSITIONAL PERIOD...A BRIEF EPISODE OF FREEZING RAIN IS ALSO POSSIBLE BEFORE SURFACE TEMPERATURES WARM ABOVE FREEZING. SNOW LEVELS WILL EVENTUALLY RISE BETWEEN 5000 AND 6000 FEET BY LATE WEDNESDAY. MTZ043-061915- /O.UPG.KMSO.WS.A.0002.090107T0000Z-090107T1800Z/ /O.NEW.KMSO.WS.W.0003.090106T1115Z-090107T1800Z/ POTOMAC/SEELEY LAKE REGION- 415 AM MST TUE JAN 6 2009 ...WINTER STORM WARNING IN EFFECT UNTIL 11 AM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 11 AM MST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW BANDS WILL CONTINUE TO PERSIST OVER THE AREA THROUGH THE DAY PRODUCING MODERATE TO HEAVY SNOW. HIGHWAY 83 FROM SEELEY LAKE NORTHWARD WILL BE THE MAIN AREA IMPACTED THROUGH EARLY AFTERNOON. A BROADER AREA OF MODERATE TO HEAVY SNOWFALL WILL MOVE INTO THE AREA LATE TODAY AND CONTINUE THROUGH WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 11 INCHES IS POSSIBLE. STRONG WINDS WILL ALSO CAUSE BLOWING SNOW ALONG HIGHWAY 200 INCLUDING THE AREAS OF POTOMAC AND GREENOUGH. SNOW LEVELS WILL BE RISING BETWEEN 4500 AND 5000 FEET BY LATE WEDNESDAY WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE EARLY WEDNESDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ002-061915- /O.UPG.KMSO.WS.A.0002.090107T0000Z-090108T0100Z/ /O.NEW.KMSO.WS.W.0003.090107T0000Z-090108T0000Z/ WEST GLACIER REGION- 415 AM MST TUE JAN 6 2009 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST WEDNESDAY ABOVE 3500 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW ABOVE 3500 FEET...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. MODERATE TO HEAVY SNOWFALL IS POSSIBLE OVER THE HIGHER TERRAIN BEGINNING LATE THIS AFTERNOON AND THEN CONTINUING THROUGH WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 12 INCHES IS POSSIBLE WITH AREAS OF BLOWING SNOW REDUCING VISIBILITIES...ESPECIALLY OVER MARIAS PASS. SNOW LEVELS WILL RISING TO NEAR 4500 FEET BY LATE WEDNESDAY WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ001-004-061915- /O.UPG.KMSO.WS.A.0002.090107T0000Z-090107T1800Z/ /O.NEW.KMSO.WS.W.0003.090107T0000Z-090107T1800Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 415 AM MST TUE JAN 6 2009 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST WEDNESDAY ABOVE 3500 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW ABOVE 3500 FEET...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. MODERATE TO HEAVY SNOWFALL WILL DEVELOP OVER THE HIGHER TERRAIN THIS AFTERNOON AND THEN CONTINUE THROUGH WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES WITH LOCALLY 15 INCHES IS POSSIBLE. STRONG WINDS WILL ALSO CAUSE BLOWING SNOW REDUCING VISIBILITY...ESPECIALLY OVER LOOKOUT PASS. SNOW LEVELS WILL BE RISING BETWEEN 4500 AND 5000 FEET BY LATE WEDNESDAY WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ006-061915- /O.UPG.KMSO.WS.A.0002.090106T2100Z-090107T1800Z/ /O.NEW.KMSO.WS.W.0003.090106T2100Z-090107T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 415 AM MST TUE JAN 6 2009 /315 AM PST TUE JAN 6 2009/ ...WINTER STORM WARNING IN EFFECT FROM 2 PM MST /1 PM PST/ THIS AFTERNOON TO 11 AM MST /10 AM PST/ WEDNESDAY ABOVE 4500 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW ABOVE 4500 FEET...WHICH IS IN EFFECT FROM 2 PM MST /1 PM PST/ THIS AFTERNOON TO 11 AM MST /10 AM PST/ WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. MODERATE TO HEAVY SNOWFALL WILL DEVELOP OVER THE HIGHER TERRAIN THIS AFTERNOON AND THEN CONTINUE THROUGH WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES WITH LOCALLY 15 INCHES IS POSSIBLE. STRONG WINDS WILL ALSO CAUSE BLOWING SNOW REDUCING VISIBILITY...ESPECIALLY OVER LOLO AND LOST TRAIL PASS. SNOW LEVELS WILL BE RISING BETWEEN 5000 AND 5500 FEET BY LATE WEDNESDAY WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$
8 follow-up statements
000 WWUS45 KMSO 061908 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1208 PM MST TUE JAN 6 2009 ...VERY HAZARDOUS DRIVING CONDITIONS EXPECTED TONIGHT AND EARLY WEDNESDAY OVER PORTIONS OF NORTH CENTRAL IDAHO AND WESTERN MONTANA... .ANOTHER MOIST PACIFIC WEATHER SYSTEM WILL BEGIN TO IMPACT THE AREA THIS AFTERNOON. MODERATE TO HEAVY SNOW IS EXPECTED IN THE MOUNTAINS BEGINNING THIS AFTERNOON AND CONTINUING THROUGH WEDNESDAY. ADDITIONALLY A TIGHT SURFACE PRESSURE GRADIENT AND STRONG WINDS ALOFT WILL CREATE STRONG WINDS THAT WILL RESULT IN BLOWING SNOW REDUCING VISIBILITY...ESPECIALLY OVER THE MOUNTAINS PASSES. AN INFLUX OF WARMER AIR FROM THE SOUTH WILL CAUSE SNOW LEVELS TO RISE TONIGHT AND WEDNESDAY RESULTING IN A CHANGE OVER TO RAIN AT THE LOWER ELEVATIONS. DURING THIS TRANSITIONAL PERIOD...A BRIEF PERIOD OF FREEZING RAIN IS EXPECTED BEFORE SURFACE TEMPERATURES WARM ABOVE FREEZING. SNOW LEVELS WILL EVENTUALLY RISE BETWEEN 5000 AND 6000 FEET BY LATE WEDNESDAY. MTZ043-062300- /O.CON.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ POTOMAC/SEELEY LAKE REGION- 1208 PM MST TUE JAN 6 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. MODERATE TO HEAVY SNOWFALL WILL MOVE INTO THE AREA LATE THIS AFTERNOON AND CONTINUE INTO WEDNESDAY MORNING. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 11 INCHES IS EXPECTED. STRONG WINDS WILL ALSO CAUSE BLOWING SNOW ALONG HIGHWAY 200 INCLUDING THE AREAS OF POTOMAC AND GREENOUGH. SNOW LEVELS WILL BE RISING BETWEEN 4500 AND 5000 FEET BY WEDNESDAY AFTERNOON WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE EARLY WEDNESDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ002-062300- /O.CON.KMSO.WS.W.0003.090107T0000Z-090108T0000Z/ WEST GLACIER REGION- 1208 PM MST TUE JAN 6 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST WEDNESDAY ABOVE 3500 FEET... A WINTER STORM WARNING ABOVE 3500 FEET REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST WEDNESDAY. MODERATE TO HEAVY SNOWFALL IS EXPECTED OVER THE HIGHER TERRAIN BEGINNING LATE THIS AFTERNOON AND THEN CONTINUING THROUGH WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 12 INCHES IS POSSIBLE WITH AREAS OF BLOWING SNOW REDUCING VISIBILITIES... ESPECIALLY OVER MARIAS PASS. SNOW LEVELS WILL RISING TO NEAR 4500 FEET BY LATE WEDNESDAY WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ001-004-062300- /O.CON.KMSO.WS.W.0003.090107T0000Z-090107T1800Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 1208 PM MST TUE JAN 6 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST WEDNESDAY ABOVE 3500 FEET... A WINTER STORM WARNING ABOVE 3500 FEET REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST WEDNESDAY. MODERATE TO HEAVY SNOWFALL WILL DEVELOP OVER THE HIGHER TERRAIN THIS AFTERNOON AND THEN CONTINUE THROUGH WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES IS EXPECTED...WITH LOCALLY 15 INCHES POSSIBLE. STRONG WINDS ARE POSSIBLE OVER HIGHER TERRAIN...ESPECIALLY OVER LOOKOUT PASS. SNOW LEVELS WILL BE RISING BETWEEN 4500 AND 5000 FEET BY LATE WEDNESDAY WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE IN THE VALLEYS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ006-062300- /O.CON.KMSO.WS.W.0003.090106T2100Z-090107T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 1208 PM MST TUE JAN 6 2009 /1108 AM PST TUE JAN 6 2009/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ WEDNESDAY ABOVE 4500 FEET... A WINTER STORM WARNING ABOVE 4500 FEET REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ WEDNESDAY. MODERATE TO HEAVY SNOWFALL WILL DEVELOP OVER THE HIGHER TERRAIN LATER THIS AFTERNOON AND THEN CONTINUE THROUGH WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES IS EXPECTED...WITH LOCALLY 15 INCHES POSSIBLE. STRONG WINDS WILL ALSO CAUSE BLOWING SNOW REDUCING VISIBILITY...ESPECIALLY OVER LOLO AND LOST TRAIL PASS. SNOW LEVELS WILL BE RISING BETWEEN 5000 AND 5500 FEET BY LATE WEDNESDAY WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$
000 WWUS45 KMSO 061921 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1221 PM MST TUE JAN 6 2009 ...VERY HAZARDOUS DRIVING CONDITIONS EXPECTED TONIGHT AND EARLY WEDNESDAY OVER PORTIONS OF NORTH CENTRAL IDAHO AND WESTERN MONTANA... .ANOTHER MOIST PACIFIC WEATHER SYSTEM WILL BEGIN TO IMPACT THE AREA THIS AFTERNOON. MODERATE TO HEAVY SNOW IS EXPECTED IN THE MOUNTAINS BEGINNING THIS AFTERNOON AND CONTINUING THROUGH WEDNESDAY. ADDITIONALLY A TIGHT SURFACE PRESSURE GRADIENT AND STRONG WINDS ALOFT WILL CREATE STRONG WINDS THAT WILL RESULT IN BLOWING SNOW REDUCING VISIBILITY...ESPECIALLY OVER THE MOUNTAINS PASSES. AN INFLUX OF WARMER AIR FROM THE SOUTH WILL CAUSE SNOW LEVELS TO RISE TONIGHT AND WEDNESDAY RESULTING IN A CHANGE OVER TO RAIN AT THE LOWER ELEVATIONS. DURING THIS TRANSITIONAL PERIOD...A BRIEF PERIOD OF FREEZING RAIN IS EXPECTED BEFORE SURFACE TEMPERATURES WARM ABOVE FREEZING. SNOW LEVELS WILL EVENTUALLY RISE BETWEEN 5000 AND 6000 FEET BY LATE WEDNESDAY. MTZ003-062300- /O.EXB.KMSO.WS.W.0003.090107T0400Z-090107T1800Z/ FLATHEAD/MISSION VALLEYS- 1221 PM MST TUE JAN 6 2009 ...WINTER STORM WARNING IN EFFECT FROM 9 PM THIS EVENING TO 11 AM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND FREEZING RAIN...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 11 AM MST WEDNESDAY. LIGHT SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED THIS EVENING...FOLLOWED BY SNOW CHANGING TO FREEZING RAIN AND RAIN OVERNIGHT INTO WEDNESDAY MORNING. WITH SNOW AND ICE ALREADY ON ROADS...THIS WILL CREATE VERY HAZARDOUS DRIVING CONDITIONS ON ALL ROADS TONIGHT INTO WEDNESDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ043-062300- /O.CON.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ POTOMAC/SEELEY LAKE REGION- 1221 PM MST TUE JAN 6 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. MODERATE TO HEAVY SNOWFALL WILL MOVE INTO THE AREA LATE THIS AFTERNOON AND CONTINUE INTO WEDNESDAY MORNING. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 11 INCHES IS EXPECTED. STRONG WINDS WILL ALSO CAUSE BLOWING SNOW ALONG HIGHWAY 200 INCLUDING THE AREAS OF POTOMAC AND GREENOUGH. SNOW LEVELS WILL BE RISING BETWEEN 4500 AND 5000 FEET BY WEDNESDAY AFTERNOON WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE EARLY WEDNESDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ002-062300- /O.CON.KMSO.WS.W.0003.090107T0000Z-090108T0000Z/ WEST GLACIER REGION- 1221 PM MST TUE JAN 6 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST WEDNESDAY ABOVE 3500 FEET... A WINTER STORM WARNING ABOVE 3500 FEET REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM MST WEDNESDAY. MODERATE TO HEAVY SNOWFALL IS EXPECTED OVER THE HIGHER TERRAIN BEGINNING LATE THIS AFTERNOON AND THEN CONTINUING THROUGH WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 12 INCHES IS POSSIBLE WITH AREAS OF BLOWING SNOW REDUCING VISIBILITIES... ESPECIALLY OVER MARIAS PASS. SNOW LEVELS WILL RISING TO NEAR 4500 FEET BY LATE WEDNESDAY WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ001-004-062300- /O.CON.KMSO.WS.W.0003.090107T0000Z-090107T1800Z/ KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION- 1221 PM MST TUE JAN 6 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST WEDNESDAY ABOVE 3500 FEET... A WINTER STORM WARNING ABOVE 3500 FEET REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST WEDNESDAY. MODERATE TO HEAVY SNOWFALL WILL DEVELOP OVER THE HIGHER TERRAIN THIS AFTERNOON AND THEN CONTINUE THROUGH WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES IS EXPECTED...WITH LOCALLY 15 INCHES POSSIBLE. STRONG WINDS ARE POSSIBLE OVER HIGHER TERRAIN...ESPECIALLY OVER LOOKOUT PASS. SNOW LEVELS WILL BE RISING BETWEEN 4500 AND 5000 FEET BY LATE WEDNESDAY WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE IN THE VALLEYS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ006-062300- /O.CON.KMSO.WS.W.0003.090106T2100Z-090107T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 1221 PM MST TUE JAN 6 2009 /1121 AM PST TUE JAN 6 2009/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ WEDNESDAY ABOVE 4500 FEET... A WINTER STORM WARNING ABOVE 4500 FEET REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ WEDNESDAY. MODERATE TO HEAVY SNOWFALL WILL DEVELOP OVER THE HIGHER TERRAIN LATER THIS AFTERNOON AND THEN CONTINUE THROUGH WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES IS EXPECTED...WITH LOCALLY 15 INCHES POSSIBLE. STRONG WINDS WILL ALSO CAUSE BLOWING SNOW REDUCING VISIBILITY...ESPECIALLY OVER LOLO AND LOST TRAIL PASS. SNOW LEVELS WILL BE RISING BETWEEN 5000 AND 5500 FEET BY LATE WEDNESDAY WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ005-062300- /O.NEW.KMSO.ZR.Y.0001.090107T0600Z-090107T1700Z/ MISSOULA/BITTERROOT VALLEYS- 1221 PM MST TUE JAN 6 2009 ...FREEZING RAIN ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 10 AM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZING RAIN ADVISORY...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 10 AM MST WEDNESDAY. A MIX OF LIGHT SNOW AND RAIN THIS EVENING WILL CHANGE TO ALL RAIN OVERNIGHT. FREEZING RAIN IS EXPECTED IN THE MISSOULA VALLEY. WITH SNOW AND ICE ON MOST ROADWAYS...VERY ICY CONDITIONS ARE EXPECTED THROUGHOUT THE MISSOULA AND BITTERROOT VALLEY THROUGH WEDNESDAY MORNING. EVEN AS TEMPERATURES RISE ABOVE FREEZING...ROADWAYS WILL STAY AT OR BELOW FREEZING UNTIL THAWING OCCURS BY WEDNESDAY. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 062134 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 234 PM MST TUE JAN 6 2009 ...VERY HAZARDOUS DRIVING CONDITIONS EXPECTED TONIGHT AND EARLY WEDNESDAY OVER PORTIONS OF NORTH CENTRAL IDAHO AND WESTERN MONTANA... .ANOTHER MOIST PACIFIC WEATHER SYSTEM WILL BEGIN TO IMPACT THE AREA THIS AFTERNOON. MODERATE TO HEAVY SNOW IS EXPECTED IN THE MOUNTAINS BEGINNING THIS AFTERNOON AND CONTINUING THROUGH WEDNESDAY. ADDITIONALLY A TIGHT SURFACE PRESSURE GRADIENT AND STRONG WINDS ALOFT WILL CREATE STRONG WINDS THAT WILL RESULT IN BLOWING SNOW REDUCING VISIBILITY...PRIMARILY OVER THE MOUNTAINS PASSES. AN INFLUX OF WARMER AIR FROM THE SOUTH WILL CAUSE SNOW LEVELS TO RISE TONIGHT AND WEDNESDAY RESULTING IN A CHANGE OVER TO RAIN AT THE LOWER ELEVATIONS. DURING THIS TRANSITIONAL PERIOD...A BRIEF PERIOD OF FREEZING RAIN IS EXPECTED BEFORE SURFACE TEMPERATURES WARM ABOVE FREEZING. FURTHERMORE...EVEN AFTER TEMPERATURES HAVE WARMED ABOVE FREEZING AND PRECIPITATION HAS CHANGED TO RAIN...RAIN FALLING ON ICE OR HARD-PACKED SNOW WILL CREATE VERY SLICK CONDITIONS TONIGHT AND THROUGH THE MORNING COMMUTE. SNOW LEVELS WILL EVENTUALLY RISE BETWEEN 5000 AND 6000 FEET BY LATE WEDNESDAY. MTZ001-070600- /O.CON.KMSO.WS.W.0003.090107T0000Z-090107T1800Z/ KOOTENAI/CABINET REGION- 234 PM MST TUE JAN 6 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. MODERATE TO HEAVY SNOWFALL WILL DEVELOP OVER THE HIGHER TERRAIN THIS AFTERNOON AND THEN CONTINUE THROUGH WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 10 INCHES IS EXPECTED. SNOW LEVELS WILL BE RISING BETWEEN 4500 AND 5000 FEET BY LATE WEDNESDAY WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE IN THE VALLEYS EARLY WEDNESDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ003-070600- /O.CON.KMSO.WS.W.0003.090107T0400Z-090107T1800Z/ FLATHEAD/MISSION VALLEYS- 234 PM MST TUE JAN 6 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 11 AM MST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 11 AM MST WEDNESDAY. LIGHT SNOW ACCUMULATIONS ARE POSSIBLE THIS EVENING BEFORE CHANGING OVER TO FREEZING RAIN AND RAIN OVERNIGHT INTO WEDNESDAY MORNING. THE REAL CONCERN WILL BE RAIN FALLING ON FROZEN SURFACE SUCH AS ICE OR HARD-PACKED SNOW ON ROADWAYS MAKING CONDITIONS EXTREMELY SLICK. THIS WILL CREATE VERY HAZARDOUS DRIVING CONDITIONS ON ALL ROADS TONIGHT AND THROUGH THE MORNING COMMUTE WEDNESDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ043-070600- /O.CON.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ POTOMAC/SEELEY LAKE REGION- 234 PM MST TUE JAN 6 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. MODERATE TO HEAVY SNOWFALL WILL MOVE INTO THE AREA LATE THIS AFTERNOON AND CONTINUE INTO WEDNESDAY MORNING. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 10 INCHES IS EXPECTED. SNOW LEVELS WILL BE RISING BETWEEN 4500 AND 5000 FEET BY WEDNESDAY AFTERNOON WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE EARLY WEDNESDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ002-070600- /O.CON.KMSO.WS.W.0003.090107T0000Z-090108T0000Z/ WEST GLACIER REGION- 234 PM MST TUE JAN 6 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST WEDNESDAY ABOVE 3500 FEET... A WINTER STORM WARNING ABOVE 3500 FEET REMAINS IN EFFECT UNTIL 5 PM MST WEDNESDAY. MODERATE TO HEAVY SNOWFALL IS EXPECTED OVER THE HIGHER TERRAIN BEGINNING LATE THIS AFTERNOON AND THEN CONTINUING THROUGH WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 12 INCHES IS POSSIBLE WITH AREAS OF BLOWING SNOW REDUCING VISIBILITIES... ESPECIALLY OVER MARIAS PASS. SNOW LEVELS WILL RISING TO NEAR 4500 FEET BY LATE WEDNESDAY WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ004-070600- /O.CON.KMSO.WS.W.0003.090107T0000Z-090107T1800Z/ LOWER CLARK FORK REGION- 234 PM MST TUE JAN 6 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY ABOVE 3500 FEET... A WINTER STORM WARNING ABOVE 3500 FEET REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. MODERATE TO HEAVY SNOWFALL WILL DEVELOP OVER THE HIGHER TERRAIN THIS AFTERNOON AND THEN CONTINUE THROUGH WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 10 INCHES IS EXPECTED...WITH LOCALLY 12 INCHES POSSIBLE. STRONG WINDS ARE POSSIBLE OVER HIGHER TERRAIN...ESPECIALLY OVER LOOKOUT PASS. SNOW LEVELS WILL BE RISING BETWEEN 4500 AND 5000 FEET BY LATE WEDNESDAY WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE IN THE VALLEYS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ006-070600- /O.CON.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 234 PM MST TUE JAN 6 2009 /134 PM PST TUE JAN 6 2009/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ WEDNESDAY ABOVE 4500 FEET... A WINTER STORM WARNING ABOVE 4500 FEET REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ WEDNESDAY. MODERATE TO HEAVY SNOWFALL WILL DEVELOP OVER THE HIGHER TERRAIN LATER THIS AFTERNOON AND THEN CONTINUE THROUGH WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES IS EXPECTED...WITH LOCALLY 15 INCHES POSSIBLE. STRONG WINDS WILL ALSO CAUSE BLOWING SNOW REDUCING VISIBILITY...ESPECIALLY OVER LOLO AND LOST TRAIL PASS. SNOW LEVELS WILL BE RISING BETWEEN 5000 AND 5500 FEET BY LATE WEDNESDAY WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ005-070600- /O.CON.KMSO.ZR.Y.0001.090107T0600Z-090107T1700Z/ MISSOULA/BITTERROOT VALLEYS- 234 PM MST TUE JAN 6 2009 ...FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 10 AM MST WEDNESDAY... A FREEZING RAIN ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 10 AM MST WEDNESDAY. A MIX OF LIGHT SNOW AND RAIN THIS EVENING WILL CHANGE TO ALL RAIN OVERNIGHT. A BRIEF EPISODE OF FREEZING RAIN IS EXPECTED IN THE MISSOULA VALLEY. THE REAL CONCERN WILL BE RAIN FALLING ON FROZEN SURFACES SUCH AS ICE OR HARD-PACKED SNOW ON ROADWAYS MAKING CONDITIONS EXTREMELY SLICK THROUGH WEDNESDAY MORNING. EVEN AS TEMPERATURES RISE ABOVE FREEZING...ROADWAYS WILL STAY AT OR BELOW FREEZING UNTIL THAWING OCCURS WEDNESDAY. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 070246 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 746 PM MST TUE JAN 6 2009 ...VERY HAZARDOUS DRIVING CONDITIONS EXPECTED THROUGH EARLY WEDNESDAY OVER PORTIONS OF NORTH CENTRAL IDAHO AND WESTERN MONTANA... .ANOTHER MOIST PACIFIC WEATHER SYSTEM WILL CONTINUE TO IMPACT THE AREA THIS EVENING. MODERATE TO HEAVY SNOW IS EXPECTED THROUGH WEDNESDAY. ADDITIONALLY...A TIGHT SURFACE PRESSURE GRADIENT AND STRONG FLOW ALOFT WILL TRANSLATE TO STRONG SURFACE WINDS...RESULTING IN BLOWING SNOW AND REDUCED VISIBILITY...PRIMARILY OVER AREA MOUNTAIN PASSES. AN INFLUX OF WARMER AIR FROM THE SOUTH WILL CAUSE SNOW LEVELS TO RISE THROUGH WEDNESDAY...RESULTING IN A CHANGE TO RAIN AT LOWER ELEVATIONS. DURING THIS TRANSITION...A BRIEF PERIOD OF FREEZING RAIN IS EXPECTED BEFORE SURFACE TEMPERATURES WARM ABOVE FREEZING. AFTER TEMPERATURES HAVE WARMED ABOVE FREEZING AND PRECIPITATION HAS CHANGED TO RAIN...RAIN FALLING ON ICE OR HARD- PACKED SNOW WILL CREATE VERY SLICK CONDITIONS TONIGHT AND THROUGH THE MORNING COMMUTE. SNOW LEVELS WILL RISE BETWEEN 5000 AND 6000 FEET BY LATE WEDNESDAY. MTZ001-071100- /O.CON.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ KOOTENAI/CABINET REGION- 746 PM MST TUE JAN 6 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED. SNOW LEVELS WILL RISE BETWEEN 4500 AND 5000 FEET BY LATE WEDNESDAY WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE IN THE VALLEYS EARLY WEDNESDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ003-071100- /O.CON.KMSO.WS.W.0003.090107T0400Z-090107T1800Z/ FLATHEAD/MISSION VALLEYS- 746 PM MST TUE JAN 6 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. LIGHT SNOW ACCUMULATIONS ARE POSSIBLE THIS EVENING BEFORE CHANGING OVER TO FREEZING RAIN AND RAIN OVERNIGHT INTO WEDNESDAY MORNING. THE MAIN CONCERN WILL BE RAIN FALLING ON FROZEN SURFACES SUCH AS ICE OR HARD-PACKED SNOW ON ROADWAYS...MAKING CONDITIONS EXTREMELY SLICK. HAZARDOUS DRIVING CONDITIONS WILL EXIST THROUGH THE MORNING COMMUTE WEDNESDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. $$ MTZ043-071100- /O.CON.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ POTOMAC/SEELEY LAKE REGION- 746 PM MST TUE JAN 6 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED. SNOW LEVELS WILL RISE TO BETWEEN 4500 AND 5000 FEET BY WEDNESDAY AFTERNOON...WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE EARLY WEDNESDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ002-071100- /O.CON.KMSO.WS.W.0003.000000T0000Z-090108T0000Z/ WEST GLACIER REGION- 746 PM MST TUE JAN 6 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST WEDNESDAY ABOVE 3500 FEET... A WINTER STORM WARNING ABOVE 3500 FEET REMAINS IN EFFECT UNTIL 5 PM MST WEDNESDAY. MODERATE TO HEAVY SNOWFALL IS EXPECTED OVER THE HIGHER TERRAIN THROUGH WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 12 INCHES ARE POSSIBLE WITH AREAS OF BLOWING SNOW REDUCING VISIBILITIES... ESPECIALLY OVER MARIAS PASS. SNOW LEVELS WILL RISE TO NEAR 4500 FEET BY LATE WEDNESDAY WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ004-071100- /O.CON.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ LOWER CLARK FORK REGION- 746 PM MST TUE JAN 6 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY ABOVE 3500 FEET... A WINTER STORM WARNING ABOVE 3500 FEET REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. MODERATE TO HEAVY SNOWFALL IS EXPECTED OVER THE HIGHER TERRAIN THROUGH WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED...WITH LOCALLY 12 INCHES POSSIBLE. STRONG WINDS ARE POSSIBLE OVER HIGHER TERRAIN...ESPECIALLY OVER LOOKOUT PASS. SNOW LEVELS WILL RISE TO BETWEEN 4500 AND 5000 FEET BY LATE WEDNESDAY WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE IN THE VALLEYS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ IDZ005-006-MTZ006-071100- /O.CON.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 746 PM MST TUE JAN 6 2009 /646 PM PST TUE JAN 6 2009/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ WEDNESDAY ABOVE 4500 FEET... A WINTER STORM WARNING ABOVE 4500 FEET REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ WEDNESDAY. MODERATE TO HEAVY SNOWFALL IS EXPECTED OVER THE HIGHER TERRAIN THROUGH WEDNESDAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED...WITH LOCALLY 15 INCHES POSSIBLE. STRONG WINDS WILL RESULT IN BLOWING SNOW AND REDUCE VISIBILITY...ESPECIALLY OVER LOLO AND LOST TRAIL PASSES. SNOW LEVELS WILL RISE TO BETWEEN 5000 AND 5500 FEET BY LATE WEDNESDAY WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ005-071100- /O.EXT.KMSO.ZR.Y.0001.090107T0246Z-090107T1700Z/ MISSOULA/BITTERROOT VALLEYS- 746 PM MST TUE JAN 6 2009 ...FREEZING RAIN ADVISORY NOW IN EFFECT UNTIL 10 AM MST WEDNESDAY... THE FREEZING RAIN ADVISORY IS NOW IN EFFECT UNTIL 10 AM MST WEDNESDAY. A MIX OF LIGHT SNOW AND RAIN THIS EVENING WILL CHANGE TO ALL RAIN OVERNIGHT...WITH A PERIOD OF FREEZING RAIN IN THE MISSOULA VALLEY. THE MAIN CONCERN WILL BE RAIN FALLING ON FROZEN SURFACES SUCH AS ICE OR HARD-PACKED SNOW ON ROADWAYS...MAKING CONDITIONS EXTREMELY SLICK. AS TEMPERATURES RISE ABOVE FREEZING...ROADWAYS WILL REMAIN AT OR BELOW FREEZING UNTIL THAWING OCCURS WEDNESDAY. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 071049 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 349 AM MST WED JAN 7 2009 ...VERY HAZARDOUS DRIVING CONDITIONS EXPECTED THROUGH EARLY WEDNESDAY OVER PORTIONS OF NORTH CENTRAL IDAHO AND WESTERN MONTANA... .ANOTHER MOIST PACIFIC WEATHER SYSTEM WILL CONTINUE TO IMPACT THE AREA TODAY. MODERATE TO HEAVY SNOW IS EXPECTED THROUGH TODAY. ADDITIONALLY...A TIGHT SURFACE PRESSURE GRADIENT AND STRONG FLOW ALOFT WILL TRANSLATE TO STRONG SURFACE WINDS... RESULTING IN BLOWING SNOW AND REDUCED VISIBILITY...PRIMARILY OVER AREA MOUNTAIN PASSES. AN INFLUX OF WARMER AIR FROM THE SOUTH WILL CONTINUE TO FORCE SNOW LEVELS TO RISE THROUGH THE DAY...RESULTING IN A CHANGE TO RAIN AT LOWER ELEVATIONS. DURING THIS TRANSITION...A BRIEF PERIOD OF FREEZING RAIN IS EXPECTED BEFORE SURFACE TEMPERATURES WARM ABOVE FREEZING. AFTER TEMPERATURES HAVE WARMED ABOVE FREEZING AND PRECIPITATION HAS CHANGED TO RAIN...RAIN FALLING ON ICE OR HARD- PACKED SNOW WILL CREATE VERY SLICK CONDITIONS FOR THE MORNING COMMUTE. SNOW LEVELS WILL RISE BETWEEN 5000 AND 6000 FEET BY LATE THIS EVENING. MTZ001-071700- /O.CON.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ KOOTENAI/CABINET REGION- 349 AM MST WED JAN 7 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED. SNOW LEVELS WILL RISE BETWEEN 4500 AND 5000 FEET BY LATE THIS EVENING WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A PERIOD OF FREEZING RAIN IS ALSO POSSIBLE IN THE VALLEYS THIS MORNING BEFORE SURFACE TEMPERATURES RISE BY LATE MORNING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ003-071700- /O.CON.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ FLATHEAD/MISSION VALLEYS- 349 AM MST WED JAN 7 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. RAIN FALLING ON FROZEN SURFACES SUCH AS ICE OR HARD- PACKED SNOW ON ROADWAYS COULD MAKE FOR EXTREMELY SLICK CONDITIONS. HAZARDOUS DRIVING CONDITIONS WILL EXIST THROUGH THE MORNING COMMUTE...ESPECIALLY ON UNMAINTAINED ROADS A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. $$ MTZ043-071700- /O.CON.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ POTOMAC/SEELEY LAKE REGION- 349 AM MST WED JAN 7 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED. SNOW LEVELS WILL RISE TO BETWEEN 4500 AND 5000 FEET BY THIS AFTERNOON...WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A PERIOD OF FREEZING RAIN IS ALSO POSSIBLE THIS MORNING. RAIN FALLING ON SURFACES BELOW FREEZING AND ON SNOW PACKED ROADS WILL BE THE MAIN CONCERN. THE COMBINATION OF SNOW AND ICE COULD CREATE TREACHEROUS DRIVING CONDITIONS UNTIL ROAD TEMPERATURES RISE ABOVE FREEZING IN THE LATE MORNING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ002-071700- /O.CON.KMSO.WS.W.0003.000000T0000Z-090108T0000Z/ WEST GLACIER REGION- 349 AM MST WED JAN 7 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON ABOVE 3500 FEET... A WINTER STORM WARNING ABOVE 3500 FEET REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. MODERATE TO HEAVY SNOWFALL IS EXPECTED OVER THE HIGHER TERRAIN THROUGH TODAY. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 12 INCHES ARE POSSIBLE WITH AREAS OF BLOWING SNOW REDUCING VISIBILITIES... ESPECIALLY OVER MARIAS PASS. SNOW LEVELS WILL RISE TO NEAR 4500 FEET BY LATE THIS EVENING WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ MTZ004-071700- /O.CON.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ LOWER CLARK FORK REGION- 349 AM MST WED JAN 7 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING ABOVE 3500 FEET... A WINTER STORM WARNING ABOVE 3500 FEET REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. MODERATE TO HEAVY SNOWFALL IS EXPECTED OVER THE HIGHER TERRAIN THROUGH TODAY. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED...WITH LOCALLY 12 INCHES POSSIBLE. STRONG WINDS ARE POSSIBLE OVER HIGHER TERRAIN...ESPECIALLY OVER LOOKOUT PASS. SNOW LEVELS WILL RISE TO BETWEEN 4500 AND 5000 FEET BY LATE THIS EVENING WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A PERIOD OF FREEZING RAIN IS ALSO POSSIBLE IN THE VALLEYS THROUGH THE MORNING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ IDZ005-006-MTZ006-071700- /O.CON.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 349 AM MST WED JAN 7 2009 /249 AM PST WED JAN 7 2009/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ THIS MORNING ABOVE 4500 FEET... A WINTER STORM WARNING ABOVE 4500 FEET REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ THIS MORNING. MODERATE TO HEAVY SNOWFALL IS EXPECTED OVER THE HIGHER TERRAIN THROUGH TODAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED...WITH LOCALLY 15 INCHES POSSIBLE. STRONG WINDS WILL RESULT IN BLOWING SNOW AND REDUCE VISIBILITY...ESPECIALLY OVER LOLO AND LOST TRAIL PASSES. SNOW LEVELS WILL RISE TO BETWEEN 5000 AND 5500 FEET BY LATE THIS EVENING WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A PERIOD OF FREEZING RAIN IS ALSO POSSIBLE THIS MORNING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ005-071700- /O.CON.KMSO.ZR.Y.0001.000000T0000Z-090107T1700Z/ MISSOULA/BITTERROOT VALLEYS- 349 AM MST WED JAN 7 2009 ...FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 10 AM MST THIS MORNING... A FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 10 AM MST THIS MORNING. PRECIPITATION HAS TURNED TO RAIN AS TEMPERATURES AROUND THE AREA ARE ABOVE FREEZING...BUT SURFACE TEMPERATURES MAY NOT BE. THE MAIN CONCERN WILL BE RAIN FALLING ON FROZEN SURFACES SUCH AS ICE OR HARD-PACKED SNOW ON ROADWAYS...MAKING CONDITIONS EXTREMELY SLICK. AS TEMPERATURES RISE ABOVE FREEZING...ROADWAYS WILL REMAIN AT OR BELOW FREEZING UNTIL THAWING OCCURS LATER THIS MORNING. TREACHEROUS DRIVING CONDITIONS ARE POSSIBLE ESPECIALLY ON UNMAINTAINED ROADS. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 071438 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 738 AM MST WED JAN 7 2009 ...VERY HAZARDOUS DRIVING CONDITIONS EXPECTED THROUGH EARLY WEDNESDAY OVER PORTIONS OF NORTH CENTRAL IDAHO AND WESTERN MONTANA... MTZ003-004-071545- /O.CAN.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ FLATHEAD/MISSION VALLEYS-LOWER CLARK FORK REGION- 738 AM MST WED JAN 7 2009 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. TEMPERATURES HAVE WARMED SUFFICIENTLY EARLY THIS MORNING TO SUPPORT RAIN ACROSS MOST OF THE FLATHEAD...MISSION VALLEYS...AS WELL AS THE LOWER CLARK FORK REGION BELOW 5000 FEET. HOWEVER...SOME PATCHY FREEZING RAIN WILL LIKELY CONTINUE INTO MID MORNING. IN ADDITION...MANY SECONDARY ROADS WILL CONTINUE TO BE EXTREMELY ICY AS THE SNOW MELTS. $$ MTZ005-071545- /O.CAN.KMSO.ZR.Y.0001.000000T0000Z-090107T1700Z/ MISSOULA/BITTERROOT VALLEYS- 738 AM MST WED JAN 7 2009 ...FREEZING RAIN ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE FREEZING RAIN ADVISORY. TEMPERATURES HAVE WARMING SUFFICIENTLY EARLY THIS MORNING TO PRODUCE MELTING AND LIGHT RAIN. HOWEVER...SOME SECONDARY ROADS WILL CONTINUE TO BE ICY THROUGH THE MORNING AS THE SNOW MELTS. $$ MTZ001-071800- /O.CON.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ KOOTENAI/CABINET REGION- 738 AM MST WED JAN 7 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED. SNOW LEVELS WILL RISE BETWEEN 4500 AND 5000 FEET THIS MORNING WITH A RAIN SNOW MIX CHANGING OVER TO ALL RAIN IN THE VALLEYS. A PERIOD OF FREEZING RAIN IS ALSO POSSIBLE IN THE VALLEYS THIS MORNING BEFORE SURFACE TEMPERATURES RISE BY LATE MORNING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ043-071800- /O.CON.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ POTOMAC/SEELEY LAKE REGION- 738 AM MST WED JAN 7 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED. SNOW LEVELS WILL RISE TO BETWEEN 4500 AND 5000 FEET THIS MORNING...WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A PERIOD OF FREEZING RAIN IS ALSO POSSIBLE THIS MORNING. RAIN FALLING ON SURFACES BELOW FREEZING AND ON SNOW PACKED ROADS WILL BE THE MAIN CONCERN. THE COMBINATION OF SNOW AND ICE COULD CREATE TREACHEROUS DRIVING CONDITIONS UNTIL ROAD TEMPERATURES RISE ABOVE FREEZING IN THE LATE MORNING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ002-072245- /O.CON.KMSO.WS.W.0003.000000T0000Z-090108T0000Z/ WEST GLACIER REGION- 738 AM MST WED JAN 7 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON ABOVE 3500 FEET... A WINTER STORM WARNING ABOVE 3500 FEET REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. MODERATE TO HEAVY SNOWFALL IS EXPECTED OVER THE HIGHER TERRAIN THROUGH TODAY. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 12 INCHES ARE POSSIBLE WITH AREAS OF BLOWING SNOW REDUCING VISIBILITIES... ESPECIALLY OVER MARIAS PASS. SNOW LEVELS WILL RISE TO NEAR 4500 FEET THIS AFTERNOON WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ005-006-MTZ006-071800- /O.CON.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 738 AM MST WED JAN 7 2009 /638 AM PST WED JAN 7 2009/ ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ THIS MORNING ABOVE 4500 FEET... A WINTER STORM WARNING ABOVE 4500 FEET REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ THIS MORNING. MODERATE TO HEAVY SNOWFALL IS EXPECTED OVER THE HIGHER TERRAIN THROUGH TODAY. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED...WITH LOCALLY 15 INCHES POSSIBLE. SNOW LEVELS WILL RISE TO BETWEEN 5000 AND 5500 FEET THIS MORNING WITH SNOW CHANGING OVER TO RAIN IN THE VALLEYS. A PERIOD OF FREEZING RAIN IS ALSO POSSIBLE THIS MORNING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... OR FREEZING RAIN ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$
000 WWUS45 KMSO 071553 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 853 AM MST WED JAN 7 2009 ...VERY HAZARDOUS DRIVING CONDITIONS EXPECTED THROUGH EARLY WEDNESDAY OVER PORTIONS OF NORTH CENTRAL IDAHO AND WESTERN MONTANA... IDZ005-006-MTZ006-071700- /O.CAN.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- BITTERROOT/SAPPHIRE MOUNTAINS- 853 AM MST WED JAN 7 2009 /753 AM PST WED JAN 7 2009/ ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. WARMER AIR HAS SPREAD OVER THE REGION WITH SNOW LEVELS RISING ABOVE 5500 FEET. HOWEVER...SOME LOCAL FREEZING RAIN IS POSSIBLE THIS MORNING. $$ MTZ001-071800- /O.CON.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ KOOTENAI/CABINET REGION- 853 AM MST WED JAN 7 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. SNOW LEVELS HAVE LIFTED TO 5000 FEET THIS MORNING. A PERIOD OF FREEZING RAIN IS LIKELY IN THE VALLEYS THIS MORNING BEFORE SURFACE TEMPERATURES RISE BY LATE MORNING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. STRONG WINDS AND DANGEROUS WIND CHILLS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ043-071800- /O.CON.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ POTOMAC/SEELEY LAKE REGION- 853 AM MST WED JAN 7 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. SNOW LEVELS HAVE INCREASED TO 5000 FEET THIS MORNING. HOWEVER... NEAR FREEZING TEMPERATURES ARE CONTINUING IN THE VALLEYS WITH AREAS OF FREEZING RAIN THIS MORNING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS. $$ MTZ002-080000- /O.CON.KMSO.WS.W.0003.000000T0000Z-090108T0000Z/ WEST GLACIER REGION- 853 AM MST WED JAN 7 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON ABOVE 3500 FEET... A WINTER STORM WARNING ABOVE 3500 FEET REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. MODERATE TO HEAVY SNOWFALL IS EXPECTED OVER THE HIGHER TERRAIN THROUGH TODAY WITH SNOW LEVELS ABOVE 4500 FEET. TOTAL SNOWFALL ACCUMULATIONS OF 8 TO 12 INCHES ARE POSSIBLE...ESPECIALLY OVER THE HIGHER TERRAIN. COLD AIR CONTINUES IN THE VALLEYS WITH AREAS OF FREEZING RAIN CONTINUING THIS MORNING. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... BLOWING SNOW...OR FREEZING RAIN ARE EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IDZ009-010-071800- /O.NEW.KMSO.ZR.Y.0002.090107T1553Z-090107T1800Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 853 AM MST WED JAN 7 2009 ...FREEZING RAIN ADVISORY IN EFFECT UNTIL 11 AM MST THIS MORNING BELOW 4500 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A FREEZING RAIN ADVISORY BELOW 4500 FEET...WHICH IS IN EFFECT UNTIL 11 AM MST THIS MORNING. AREAS OF LIGHT FREEZING RAIN WILL CONTINUE THIS MORNING...ESPECIALLY IN THE SALMON VALLEY. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 071656 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 956 AM MST WED JAN 7 2009 MTZ001-043-071800- /O.CAN.KMSO.WS.W.0003.000000T0000Z-090107T1800Z/ KOOTENAI/CABINET REGION-POTOMAC/SEELEY LAKE REGION- 956 AM MST WED JAN 7 2009 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. TEMPERATURES CONTINUE TO WARM WEDNESDAY MORNING WITH ABOVE FREEZING TEMPERATURES MOST AREAS. HOWEVER...PATCHY FREEZING RAIN IS POSSIBLE THIS MORNING WITH A FEW AREAS REMAINING NEAR FREEZING. $$ MTZ002-071800- /O.CAN.KMSO.WS.W.0003.000000T0000Z-090108T0000Z/ WEST GLACIER REGION- 956 AM MST WED JAN 7 2009 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. WARMER AIR HAS SPREAD OVER THE REGION WITH SNOW LEVELS RISING TO 5500 FEET. IN ADDITION...VALLEY TEMPERATURES HAVE WARMED SUFFICIENTLY TO SUPPORT RAIN IN MOST VALLEY AREAS. HOWEVER...PATCHY FREEZING RAIN WILL CONTINUE THIS MORNING IN THE VALLEYS. $$ IDZ009-010-071800- /O.CON.KMSO.ZR.Y.0002.000000T0000Z-090107T1800Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 956 AM MST WED JAN 7 2009 ...FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING BELOW 4500 FEET... A FREEZING RAIN ADVISORY BELOW 4500 FEET REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. AREAS OF LIGHT FREEZING RAIN WILL CONTINUE THIS MORNING... ESPECIALLY IN THE SALMON VALLEY. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$
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 Jan 5, 2:42 PM MST, 13 hours 33 minutes earlier.
Area forecast discussion, Jan 5, 2:42 PM MST, 13 hours 33 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MISSOULA MT
242 PM MST MON JAN 5 2009
.DISCUSSION...SNOWFALL IS EXPECTED TO CONTINUE ACROSS WESTERN
MONTANA AND CENTRAL IDAHO FOR THE REMAINDER OF TODAY BUT WILL
GRADUALLY LESSEN AS THE NIGHT PROGRESSES. IMMEDIATE CONCERNS WITH
SNOWFALL AMOUNTS DURING THE OVERNIGHT PERIOD WILL BE THE POTENTIAL
FOR BANDING TO OCCUR LATER TONIGHT...AFFECTING LOCATIONS OF WEST-
CENTRAL MONTANA THROUGH EARLY TUESDAY MORNING. THERE IS ENOUGH
STABILITY PRESENT ALONG WITH STRONG WINDS NECESSARY TO GENERATE
SNOW BANDS...BUT UNCERTAINTY LIES IN WHETHER THE POSSIBLE BANDS
WILL REMAIN STATIONARY OR MOVE AS THE WINDS SHIFT OVERNIGHT. THIS
WILL AFFECT SNOW AMOUNTS DEPENDING ON THE LOCATION OF THESE SNOW
BANDS SHOULD THEY SET UP. THAT BEING SAID...THE NEXT CONCERN IS
FOR DURING THE DAY TUESDAY WITH THE ONSET OF THE NEXT
WEATHER SYSTEM. WARM AIR WILL BEGIN TO CREEP INTO SOUTH CENTRAL
IDAHO...WARMING THE VALLEYS IN THE CAMAS PRAIRIE AND SOUTHERN
CLEARWATER REGION OF IDAHO BY TUESDAY EVENING. AT THIS
TIME...MOISTURE WILL BEGIN TO ENTER FROM THE WEST AND FALL IN THE
FORM OF SNOW. AS UPPER LEVELS BEGIN TO WARM THIS SNOW MAY HAVE A
BRIEF CHANGEOVER TO FREEZING RAIN LATE IN THE EVENING TUESDAY.
TUESDAY NIGHT THROUGH THURSDAY...A LOW AMPLITUDE WILL NOT PROVIDE
MUCH PROTECTION AS AN ONSLAUGHT OF PACIFIC MOISTURE BARRELS INTO
THE NORTHERN ROCKIES. THE JET STREAM ARCS NORTHWARD INTO CANADA
ALLOWING FOR AN INFLUX OF WARMER LOW-LEVEL AIR FROM THE SOUTH. A
MESSY FORECAST ON TAP AS PRECIPITATION STARTS OUT AS SNOW OR A MIX
OF RAIN AND SNOW...POSSIBLY WITH A BRIEF PERIOD OF FREEZING
RAIN...BEFORE CHANGING OVER TO ALL RAIN IN THE VALLEYS TUESDAY
NIGHT. MOUNTAINS WILL BE GETTING HAMMERED WITH SNOW TUESDAY NIGHT
AND WEDNESDAY AS SNOW LEVELS GRADUALLY RISING FROM ROUGHLY 3500
FEET TUESDAY EVENING TO BETWEEN 5000 AND 6000 FEET BY WEDNESDAY
AFTERNOON. A WINTER STORM WARNING HAS BEEN ISSUED TO HIGHLIGHT
THIS SNOW POTENTIAL. IN ADDITION TO PRECIPITATION...STRONG WINDS
ALOFT COMBINED WITH A TIGHTENING SURFACE PRESSURE GRADIENT WILL
PROMOTE STRONG SOUTHERLY WINDS IN THE LOWER HELLS CANYON AND CAMAS
PRAIRIE AREAS OF NORTH-CENTRAL IDAHO. THIS SOUTHERLY LOW LEVEL
FLOW WILL ALSO WARM SURFACE TEMPERATURES INTO THE UPPER 30S TO
MID 40S IN MANY VALLEY LOCATION RESULTING IN CONSIDERABLE SNOW
MELT AND POTENTIAL SMALL STREAM AND URBAN FLOODING PROBLEMS.
FRIDAY THROUGH MONDAY...A COOL DOWN IS EXPECTED BY THE END OF THE
WORK WEEK INTO THE COMING WEEKEND. A WEAK FRONTAL SYSTEM WILL PASS
THROUGH THE AREA EARLY FRIDAY BRINGING SOME LIGHT SNOW
ACCUMULATIONS TO THE AREA WITH TEMPERATURES RETURNING TO
SEASONABLE NORMS. A NORTHWEST FLOW ALOFT WILL SET UP OVER THE NORTHERN
ROCKIES OVER THE WEEKEND INTO EARLY NEXT WEEK WITH THE HIGH
PRESSURE RIDGE ALOFT REMAINING ALONG THE WEST COAST. PERIODS OF SNOW
IS POSSIBLE...MAINLY FOCUSED OVER THE MOUNTAINS IN THIS TIME FRAME.
&&
.HYDROLOGY...AS SNOW TRANSITIONS TO RAIN IN MOST VALLEYS OF NORTH
CENTRAL IDAHO AND WESTERN MONTANA TUESDAY NIGHT INTO WEDNESDAY...PONDING
OF WATER AND FLOODING OF ROAD WAYS WILL BE A CONCERN. IN ADDITION...
WARMING TEMPERATURES AND GUSTY SOUTHERLY WINDS WILL ALSO AIDE IN
MELTING SNOW AT THE LOWER ELEVATIONS THROUGH THURSDAY. SNOW LOADING ON
BUILDINGS WITH HEFTY SNOW WILL ALSO BE A CONCERN...ESPECIALLY IN
NORTHWEST MONTANA.
&&
.AVIATION...CURRENT STORM SYSTEM WILL CONTINUE TO BRING SNOW
THROUGH THIS EVENING IN NORTH CENTRAL IDAHO AND WESTERN MONTANA.
SNOW WILL KEEP VISIBILITIES REDUCED THROUGH THE OVERNIGHT IN MOST
OF CENTRAL IDAHO. KMSO WILL SEE LOW CEILINGS AND VISIBILITIES
CONTINUING BUT WITH GRADUAL IMPROVEMENT LATER THIS
EVENING...THOUGH INTERMITTENT SNOW SHOWERS WILL REDUCE FLIGHT
CONDITIONS FROM TIME TO TIME OVERNIGHT. MVFR WILL BE THE DOMINANT
FLIGHT CATEGORY FOR ALL TERMINALS THROUGH THE OVERNIGHT HOURS.
&&
.MSO WATCHES/WARNINGS/ADVISORIES...
MT...WINTER STORM WATCH FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
MORNING FOR BITTERROOT/SAPPHIRE MOUNTAINS.
WINTER STORM WARNING UNTIL 11 PM MST THIS EVENING FOR
BITTERROOT/SAPPHIRE MOUNTAINS.
WINTER STORM WARNING UNTIL 11 PM MST THIS EVENING FOR
POTOMAC/SEELEY LAKE REGION-WEST GLACIER REGION.
WINTER STORM WATCH FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
AFTERNOON FOR WEST GLACIER REGION.
WINTER STORM WATCH FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
MORNING FOR KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION-
POTOMAC/SEELEY LAKE REGION.
WINTER STORM WARNING UNTIL 11 PM MST THIS EVENING FOR LOWER
CLARK FORK REGION.
ID...WINTER WEATHER ADVISORY UNTIL 4 PM PST THIS AFTERNOON FOR LOWER
HELLS CANYON/SALMON RIVER REGION.
WIND ADVISORY FROM 1 PM TUESDAY TO 4 PM PST THURSDAY FOR LOWER
HELLS CANYON/SALMON RIVER REGION-OROFINO/GRANGEVILLE REGION.
WINTER STORM WATCH FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
MORNING FOR NORTHERN CLEARWATER MOUNTAINS-SOUTHERN
CLEARWATER MOUNTAINS.
WINTER STORM WARNING UNTIL 10 PM PST THIS EVENING FOR SOUTHERN
CLEARWATER MOUNTAINS.
WINTER STORM WARNING UNTIL 4 PM PST THIS AFTERNOON FOR
OROFINO/GRANGEVILLE REGION.
WINTER STORM WARNING UNTIL 10 PM PST THIS EVENING FOR NORTHERN
CLEARWATER MOUNTAINS.
&&
SHORT TERM...ALLEGRETTO
LONG TERM....MSJ
AVIATION...ALLEGRETTOHazardous weather outlook, Jan 5, 3:22 PM MST, 12 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MISSOULA MT 322 PM MST MON JAN 5 2009 IDZ009-010-MTZ003-005-007-061030- WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- FLATHEAD/MISSION VALLEYS-MISSOULA/BITTERROOT VALLEYS- BUTTE/BLACKFOOT REGION- 322 PM MST MON JAN 5 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL IDAHO...NORTHWEST MONTANA AND WEST CENTRAL MONTANA. .DAY ONE...THIS AFTERNOON AND TONIGHT SNOW SHOWERS WILL CONTINUE THIS EVENING BEFORE DIMINISHING OVERNIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A WARM FRONT WILL APPROACH THE AREA TUESDAY WITH LIGHT SNOW SPREADING OVER THE AREA MAINLY DURING THE AFTERNOON AND EVENING. BRIEF FREEZING RAIN IS POSSIBLE TUESDAY NIGHT IN THE VALLEYS BEFORE CHANGING TO ALL RAIN ON WEDNESDAY. SNOW WILL FALL IN THE MOUNTAINS ABOVE 7000 FEET. FLOODING CONCERNS WILL EXIST WEDNESDAY AND THURSDAY FROM WARMING TEMPERATURES AND RAIN ON TOP OF EXISTING SNOW PACK. POTENTIAL FOR PONDING ON ROADWAYS AND FLOODING IN LOW LYING AREAS WILL BEGIN WEDNESDAY AND LAST INTO THURSDAY AS SNOW MELT BEGINS AND RAIN FALLS ON THE SNOW. A COOL DOWN WITH PERIODS OF LIGHT SNOW IS EXPECTED FRIDAY INTO THE COMING WEEKEND. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ004-043-061030- LOWER CLARK FORK REGION-POTOMAC/SEELEY LAKE REGION- 322 PM MST MON JAN 5 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL MONTANA. FOR THE LATEST INFORMATION ON WATCHES...WARNINGS AND ADVISORIES...GO TO WEATHER.GOV/MISSOULA. .DAY ONE...THIS AFTERNOON AND TONIGHT MODERATE SNOW SHOWERS WILL CONTINUE THIS EVENING BEFORE DIMINISHING OVERNIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A WARM FRONT WILL APPROACH THE AREA TUESDAY WITH LIGHT SNOW SPREADING OVER THE AREA MAINLY DURING THE AFTERNOON AND EVENING. BRIEF FREEZING RAIN IS POSSIBLE TUESDAY NIGHT IN THE VALLEYS BEFORE CHANGING TO ALL RAIN ON WEDNESDAY. MODERATE TO HEAVY SNOW WILL FALL IN THE MOUNTAINS THROUGH WEDNESDAY MORNING BEFORE THE SNOW LEVEL RISES ABOVE 7000 FEET WEDNESDAY AFTERNOON. FLOODING CONCERNS WILL EXIST WEDNESDAY AND THURSDAY FROM WARMING TEMPERATURES AND RAIN ON TOP OF EXISTING SNOW PACK. POTENTIAL FOR PONDING ON ROADWAYS AND FLOODING IN LOW LYING AREAS WILL BEGIN WEDNESDAY AND LAST INTO THURSDAY AS SNOW MELT BEGINS AND RAIN FALLS ON THE SNOW. A COOL DOWN WITH PERIODS OF LIGHT SNOW IS EXPECTED FRIDAY INTO THE COMING WEEKEND. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ002-061030- WEST GLACIER REGION- 322 PM MST MON JAN 5 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST MONTANA. FOR THE LATEST INFORMATION ON WATCHES...WARNINGS AND ADVISORIES...GO TO WEATHER.GOV/MISSOULA. .DAY ONE...THIS AFTERNOON AND TONIGHT MODERATE SNOW SHOWERS WILL CONTINUE THIS EVENING BEFORE DIMINISHING OVERNIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A WARM FRONT WILL APPROACH THE AREA TUESDAY WITH LIGHT SNOW SPREADING OVER THE AREA MAINLY DURING THE AFTERNOON AND EVENING. BRIEF FREEZING RAIN IS POSSIBLE TUESDAY NIGHT IN THE VALLEYS BEFORE CHANGING TO ALL RAIN ON WEDNESDAY. MODERATE TO HEAVY SNOW WILL FALL IN THE MOUNTAINS THROUGH WEDNESDAY BEFORE THE SNOW LEVEL RISES ABOVE 6000 FEET. FLOODING CONCERNS WILL EXIST WEDNESDAY AND THURSDAY FROM WARMING TEMPERATURES AND RAIN ON TOP OF EXISTING SNOW PACK IN THE VALLEYS. POTENTIAL FOR PONDING ON ROADWAYS AND FLOODING IN LOW LYING AREAS WILL BEGIN WEDNESDAY AND LAST INTO THURSDAY AS SNOW MELT BEGINS AND RAIN FALLS ON THE SNOW. A COOL DOWN WITH PERIODS OF LIGHT SNOW IS EXPECTED FRIDAY INTO THE COMING WEEKEND. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MTZ001-061030- KOOTENAI/CABINET REGION- 322 PM MST MON JAN 5 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST MONTANA. FOR THE LATEST INFORMATION ON WATCHES...WARNINGS AND ADVISORIES...GO TO WEATHER.GOV/MISSOULA. .DAY ONE...THIS AFTERNOON AND TONIGHT SNOW SHOWERS WILL CONTINUE THIS EVENING BEFORE DIMINISHING OVERNIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A WARM FRONT WILL APPROACH THE AREA TUESDAY WITH LIGHT SNOW SPREADING OVER THE AREA MAINLY DURING THE AFTERNOON AND EVENING. BRIEF FREEZING RAIN IS POSSIBLE TUESDAY NIGHT IN THE VALLEYS BEFORE CHANGING TO ALL RAIN ON WEDNESDAY. MODERATE TO HEAVY SNOW WILL FALL IN THE MOUNTAINS THROUGH WEDNESDAY MORNING BEFORE THE SNOW LEVEL RISES TO ABOVE 6000 FEET. FLOODING CONCERNS WILL EXIST WEDNESDAY AND THURSDAY FROM WARMING TEMPERATURES AND RAIN ON TOP OF EXISTING SNOW PACK IN THE VALLEYS. POTENTIAL FOR PONDING ON ROADWAYS AND FLOODING IN LOW LYING AREAS WILL BEGIN WEDNESDAY AND LAST INTO THURSDAY AS SNOW MELT BEGINS AND RAIN FALLS ON THE SNOW. A COOL DOWN WITH PERIODS OF LIGHT SNOW IS EXPECTED FRIDAY INTO THE COMING WEEKEND. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 6, 12:21 PM MST | Freezing Rain Advisory | MSO | Missoula, Ravalli | 19 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.