Alert archive / Montana / Heavy Snow Warnings in 2007
Heavy Snow Warning 21, NWS Missoula, MT
NWS Missoula, MT issued this heavy snow warning at Dec 17, 2007, 7:49 PM MST for Flathead County, Lincoln County, Sanders County, Montana. It took effect at Dec 18, 2007, 12:00 PM MST. It was in force for 16 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
- Dec 17, 2007, 7:49 PM MST (02:49 UTC)
- In effect from
- Dec 18, 2007, 12:00 PM MST
- Expired
- Dec 19, 2007, 4:28 AM MST
- In force
- 16 hr
- Issued by
- NWS Missoula, MT
Counties Flathead County, MT, Lincoln County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 142 km from the middle of the area, began a volume at 02:51 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 |
|---|---|---|---|
| Dec 18, 3:34 PM MST | HEAVY SNOW 5 | 20 N Troy, MT | 5 INCHES OF SNOW REPORTED TO HAVE FALLEN SINCE EARLY THIS MORNING. THE SNOW IS STILL ACCUMULATING. |
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, 2.8 hours before the alert went out and 126 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
- 2 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 725 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 82 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 180249 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 749 PM MST MON DEC 17 2007 MTZ001-181100- /O.UPG.KMSO.WS.A.0019.071218T1200Z-071219T0600Z/ /O.NEW.KMSO.HS.W.0021.071218T1200Z-071219T1200Z/ KOOTENAI/CABINET REGION- 749 PM MST MON DEC 17 2007 ...HEAVY SNOW WARNING IN EFFECT FROM 5 AM TUESDAY TO 5 AM MST WEDNESDAY... ...WINTER STORM WATCH NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW WARNING...WHICH IS IN EFFECT FROM 5 AM TUESDAY TO 5 AM MST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 5 TO 10 INCHES OF NEW SNOWFALL IS EXPECTED ACROSS THE KOOTENAI AND CABINET REGION FROM TUESDAY MORNING THROUGH TUESDAY NIGHT AS ANOTHER PACIFIC STORM SYSTEM MOVES EAST ACROSS THE AREA. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ MTZ002-043-181100- /O.NEW.KMSO.SN.Y.0042.071218T1800Z-071219T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 749 PM MST MON DEC 17 2007 ...SNOW ADVISORY IN EFFECT FROM 11 AM TUESDAY TO 11 AM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 11 AM TUESDAY TO 11 AM MST WEDNESDAY. 3 TO 6 INCHES OF NEW SNOWFALL IS EXPECTED ACROSS THE AREA FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING AS ANOTHER PACIFIC STORM SYSTEM MOVES EAST ACROSS THE AREA. IN ADDITION...BREEZY WINDS NEAR MARIAS PASS WILL CAUSE LOCAL BLOWING AND DRIFTING SNOW DURING THESE PERIODS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ006-MTZ004-006-181100- /O.NEW.KMSO.SN.Y.0042.071218T1200Z-071219T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-LOWER CLARK FORK REGION- BITTERROOT/SAPPHIRE MOUNTAINS- 749 PM MST MON DEC 17 2007 /649 PM PST MON DEC 17 2007/ ...SNOW ADVISORY IN EFFECT FROM 5 AM MST /4 AM PST/ TUESDAY TO 5 AM MST /4 AM PST/ WEDNESDAY ABOVE 4000 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY ABOVE 4000 FEET...WHICH IS IN EFFECT FROM 5 AM MST /4 AM PST/ TUESDAY TO 5 AM MST /4 AM PST/ WEDNESDAY. 3 TO 6 INCHES OF NEW SNOWFALL IS EXPECTED ACROSS THE BITTERROOT...CLEARWATER...AND SOUTHERN CABINET MOUNTAIN RANGES ABOVE 4000FEET. BOTH LOLO PASS AND LOOKOUT PASS WILL BE IMPACTED BY THIS EVENT. LOST TRAIL PASS CAN EXPECT TO SEE 1 TO 3 INCHES OF SNOW DURING THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
7 follow-up statements
000 WWUS45 KMSO 180256 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 756 PM MST MON DEC 17 2007 MTZ001-181200- /O.CON.KMSO.HS.W.0021.071218T1200Z-071219T1200Z/ KOOTENAI/CABINET REGION- 756 PM MST MON DEC 17 2007 ...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 5 AM TUESDAY TO 5 AM MST WEDNESDAY... A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 5 AM TUESDAY TO 5 AM MST WEDNESDAY. 5 TO 10 INCHES OF NEW SNOWFALL IS EXPECTED ACROSS THE KOOTENAI AND CABINET REGION FROM TUESDAY MORNING THROUGH TUESDAY NIGHT AS ANOTHER PACIFIC STORM SYSTEM MOVES EAST ACROSS THE AREA. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. $$ MTZ002-043-181200- /O.CON.KMSO.SN.Y.0042.071218T1800Z-071219T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 756 PM MST MON DEC 17 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM 11 AM TUESDAY TO 11 AM MST WEDNESDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 11 AM TUESDAY TO 11 AM MST WEDNESDAY. 3 TO 6 INCHES OF NEW SNOWFALL IS EXPECTED ACROSS THE AREA FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING AS ANOTHER PACIFIC STORM SYSTEM MOVES EAST ACROSS THE AREA. IN ADDITION...BREEZY WINDS NEAR MARIAS PASS WILL CAUSE LOCAL BLOWING AND DRIFTING SNOW DURING THESE PERIODS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ006-MTZ004-006-181200- /O.CON.KMSO.SN.Y.0042.071218T1200Z-071219T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-LOWER CLARK FORK REGION- BITTERROOT/SAPPHIRE MOUNTAINS- 756 PM MST MON DEC 17 2007 /656 PM PST MON DEC 17 2007/ ...SNOW ADVISORY REMAINS IN EFFECT FROM 5 AM MST /4 AM PST/ TUESDAY TO 5 AM MST /4 AM PST/ WEDNESDAY ABOVE 4000 FEET... A SNOW ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT FROM 5 AM MST /4 AM PST/ TUESDAY TO 5 AM MST /4 AM PST/ WEDNESDAY. 3 TO 6 INCHES OF NEW SNOWFALL IS EXPECTED ACROSS THE BITTERROOT... CLEARWATER...AND SOUTHERN CABINET MOUNTAIN RANGES ABOVE 4000FEET. BOTH LOLO PASS AND LOOKOUT PASS WILL BE IMPACTED BY THIS EVENT. LOST TRAIL PASS CAN EXPECT TO SEE 1 TO 3 INCHES OF SNOW DURING THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 180621 CCA WSWMSO URGENT - WINTER WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE MISSOULA MT 1119 PM MST MON DEC 17 2007 MTZ001-181545- /O.COR.KMSO.HS.W.0021.071218T1200Z-071219T1200Z/ KOOTENAI/CABINET REGION- 1119 PM MST MON DEC 17 2007 ...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 5 AM TUESDAY TO 5 AM MST WEDNESDAY... A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 5 AM TUESDAY TO 5 AM MST WEDNESDAY. 5 TO 10 INCHES OF NEW SNOWFALL IS EXPECTED ACROSS THE KOOTENAI AND CABINET REGION FROM TUESDAY MORNING THROUGH TUESDAY NIGHT AS ANOTHER PACIFIC STORM SYSTEM MOVES EAST ACROSS THE AREA. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. $$ MTZ002-043-181545- /O.CON.KMSO.SN.Y.0042.071218T1800Z-071219T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 1119 PM MST MON DEC 17 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM 11 AM TUESDAY TO 11 AM MST WEDNESDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 11 AM TUESDAY TO 11 AM MST WEDNESDAY. 3 TO 6 INCHES OF NEW SNOWFALL IS EXPECTED ACROSS THE AREA FROM TUESDAY MORNING THROUGH WEDNESDAY MORNING AS ANOTHER PACIFIC STORM SYSTEM MOVES EAST ACROSS THE AREA. IN ADDITION...BREEZY WINDS NEAR MARIAS PASS WILL CAUSE LOCAL BLOWING AND DRIFTING SNOW DURING THESE PERIODS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ006-MTZ004-006-181545- /O.COR.KMSO.SN.Y.0042.071218T1200Z-071219T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-LOWER CLARK FORK REGION- BITTERROOT/SAPPHIRE MOUNTAINS- 1119 PM MST MON DEC 17 2007 /1019 PM PST MON DEC 17 2007/ ...SNOW ADVISORY REMAINS IN EFFECT FROM 5 AM MST /4 AM PST/ TUESDAY TO 5 AM MST /4 AM PST/ WEDNESDAY ABOVE 4000 FEET... A SNOW ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT FROM 5 AM MST /4 AM PST/ TUESDAY TO 5 AM MST /4 AM PST/ WEDNESDAY. 3 TO 6 INCHES OF NEW SNOWFALL IS EXPECTED ACROSS THE BITTERROOT... CLEARWATER...AND SOUTHERN CABINET MOUNTAIN RANGES ABOVE 4000 FEET. BOTH LOLO PASS AND LOOKOUT PASS WILL BE IMPACTED BY THIS EVENT. LOST TRAIL PASS CAN EXPECT TO SEE 1 TO 3 INCHES OF SNOW DURING THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 181155 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 454 AM MST TUE DEC 18 2007 MTZ001-182300- /O.EXT.KMSO.HS.W.0021.071218T1900Z-071219T1200Z/ KOOTENAI/CABINET REGION- 454 AM MST TUE DEC 18 2007 ...HEAVY SNOW WARNING NOW IN EFFECT FROM NOON TODAY TO 5 AM MST WEDNESDAY... THE HEAVY SNOW WARNING IS NOW IN EFFECT FROM NOON TODAY TO 5 AM MST WEDNESDAY. 5 TO 10 INCHES OF NEW SNOWFALL IS EXPECTED ACROSS THE KOOTENAI AND CABINET REGION AS ANOTHER PACIFIC STORM SYSTEM MOVES EAST ACROSS THE AREA. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. $$ IDZ005-182300- /O.EXB.KMSO.SN.Y.0042.071218T1900Z-071219T1200Z/ NORTHERN CLEARWATER MOUNTAINS- 354 AM PST TUE DEC 18 2007 ...SNOW ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 4 AM PST WEDNESDAY ABOVE 3000 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY ABOVE 3000 FEET...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 4 AM PST WEDNESDAY. 3 TO 6 INCHES OF NEW SNOWFALL IS EXPECTED ACROSS THE AREA AS ANOTHER PACIFIC STORM SYSTEM MOVES EAST ACROSS THE AREA. IN ADDITION...BREEZY WINDS NEAR MARIAS PASS WILL CAUSE LOCAL BLOWING AND DRIFTING SNOW DURING THESE PERIODS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ002-043-182300- /O.EXT.KMSO.SN.Y.0042.071218T1900Z-071219T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 454 AM MST TUE DEC 18 2007 ...SNOW ADVISORY NOW IN EFFECT FROM NOON TODAY TO 11 AM MST WEDNESDAY... THE SNOW ADVISORY IS NOW IN EFFECT FROM NOON TODAY TO 11 AM MST WEDNESDAY. 3 TO 6 INCHES OF NEW SNOWFALL IS EXPECTED ACROSS THE AREA AS ANOTHER PACIFIC STORM SYSTEM MOVES EAST ACROSS THE AREA. IN ADDITION...BREEZY WINDS NEAR MARIAS PASS WILL CAUSE LOCAL BLOWING AND DRIFTING SNOW DURING THESE PERIODS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ006-MTZ004-006-182300- /O.EXT.KMSO.SN.Y.0042.071218T1900Z-071219T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-LOWER CLARK FORK REGION- BITTERROOT/SAPPHIRE MOUNTAINS- 454 AM MST TUE DEC 18 2007 /354 AM PST TUE DEC 18 2007/ ...SNOW ADVISORY NOW IN EFFECT FROM NOON MST /11 AM PST/ TODAY TO 5 AM MST /4 AM PST/ WEDNESDAY ABOVE 4000 FEET... THE SNOW ADVISORY ABOVE 4000 FEET IS NOW IN EFFECT FROM NOON MST /11 AM PST/ TODAY TO 5 AM MST /4 AM PST/ WEDNESDAY. 3 TO 6 INCHES OF NEW SNOWFALL IS EXPECTED ACROSS THE BITTERROOT... CLEARWATER...AND SOUTHERN CABINET MOUNTAIN RANGES ABOVE 4000 FEET. BOTH LOLO PASS AND LOOKOUT PASS WILL BE IMPACTED BY THIS EVENT. LOST TRAIL PASS CAN EXPECT TO SEE 1 TO 3 INCHES OF SNOW DURING THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 181551 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 851 AM MST TUE DEC 18 2007 .ANOTHER PACIFIC SYSTEM WILL BE SPREADING MOISTURE INTO THE IDAHO PANHANDLE THIS AFTERNOON...EVENTUALLY INTO PORTIONS OF WESTERN MONTANA TONIGHT. THIS SYSTEM WILL BE TARGETING THE MOUNTAINS WITH SNOWFALL. HOWEVER...SOME VALLEY LOCATIONS IN NORTHWEST MONTANA CAN EXPECT TO SEE ACCUMULATING SNOW BEGINNING THIS AFTERNOON AND CONTINUING OVERNIGHT. MTZ001-182200- /O.CON.KMSO.HS.W.0021.071218T1900Z-071219T1200Z/ KOOTENAI/CABINET REGION- 851 AM MST TUE DEC 18 2007 ...HEAVY SNOW WARNING REMAINS IN EFFECT FROM NOON TODAY TO 5 AM MST WEDNESDAY... A HEAVY SNOW WARNING REMAINS IN EFFECT FROM NOON TODAY TO 5 AM MST WEDNESDAY. STEADY SNOW WILL BEGIN BY NOONTIME AND CONTINUE OVERNIGHT. NEW SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED BY EARLY WEDNESDAY MORNING. THIS INCLUDES AREAS AROUND YAAK AND TROY. AREAS AROUND LIBBY AND EUREKA COULD SEE ACCUMULATIONS OF 2 TO 4 INCHES BY EARLY WEDNESDAY MORNING. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. $$ MTZ002-043-182200- /O.EXT.KMSO.SN.Y.0042.071219T0000Z-071219T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 851 AM MST TUE DEC 18 2007 ...SNOW ADVISORY NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST WEDNESDAY... THE SNOW ADVISORY IS NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST WEDNESDAY. STEADY SNOW WILL BEGIN BY LATE AFTERNOON AND CONTINUE INTO WEDNESDAY MORNING. NEW SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED BY LATE WEDNESDAY MORNING. LOCAL BREEZY WINDS NEAR MARIAS PASS WILL CAUSE LOCAL BLOWING AND DRIFTING SNOW DURING THESE PERIOD. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MTZ006-182200- /O.EXT.KMSO.SN.Y.0042.071218T2100Z-071219T1200Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 851 AM MST TUE DEC 18 2007 ...SNOW ADVISORY NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST WEDNESDAY... THE SNOW ADVISORY IS NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST WEDNESDAY. STEADY SNOW WILL BEGIN BY MID-AFTERNOON AND CONTINUE OVERNIGHT. NEW SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED BY EARLY WEDNESDAY MORNING. LOLO PASS WILL ONE OF THE AREAS MOST EFFECTED BY THIS SYSTEM. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ005-182200- /O.CON.KMSO.SN.Y.0042.071218T1900Z-071219T1200Z/ NORTHERN CLEARWATER MOUNTAINS- 751 AM PST TUE DEC 18 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 4 AM PST WEDNESDAY ABOVE 3000 FEET... A SNOW ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 4 AM PST WEDNESDAY. STEADY SNOW WILL BEGIN BY LATE MORNING AND CONTINUE OVERNIGHT. NEW SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED BY EARLY WEDNESDAY MORNING. HIGHWAY 12 LEADING UP TO LOLO PASS WILL BE ONE OF THE AREAS MOST EFFECTED BY THIS SYSTEM. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ006-MTZ004-182200- /O.CON.KMSO.SN.Y.0042.071218T1900Z-071219T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-LOWER CLARK FORK REGION- 851 AM MST TUE DEC 18 2007 /751 AM PST TUE DEC 18 2007/ ...SNOW ADVISORY REMAINS IN EFFECT FROM NOON MST /11 AM PST/ TODAY TO 5 AM MST /4 AM PST/ WEDNESDAY ABOVE 4000 FEET... A SNOW ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT FROM NOON MST /11 AM PST/ TODAY TO 5 AM MST /4 AM PST/ WEDNESDAY. STEADY SNOW WILL BEGIN BY LATE MORNING AND CONTINUE OVERNIGHT. NEW SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED BY EARLY WEDNESDAY MORNING. HIGHWAY 12 LEADING UP TO LOLO PASS AND I-90 OVER LOOKOUT PASS WILL SOME OF THE AREAS MOST EFFECTED BY THIS SYSTEM. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 182139 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 239 PM MST TUE DEC 18 2007 .A PACIFIC WEATHER SYSTEM WILL SPREAD SIGNIFICANT MOISTURE ACROSS NORTHERN IDAHO AND WESTERN MONTANA TONIGHT. THIS WEATHER SYSTEM SHOULD BE QUICKLY FOLLOWED BY AN EVEN STRONGER WEATHER SYSTEM WEDNESDAY NIGHT INTO THURSDAY. MTZ001-191000- /O.CON.KMSO.HS.W.0021.000000T0000Z-071219T1200Z/ KOOTENAI/CABINET REGION- 239 PM MST TUE DEC 18 2007 ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY. STEADY SNOW WILL CONTINUE TONIGHT. NEW SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED BY EARLY WEDNESDAY MORNING. THIS INCLUDES AREAS AROUND YAAK AND TROY. AREAS AROUND LIBBY AND EUREKA COULD SEE ACCUMULATIONS OF 2 TO 4 INCHES BY EARLY WEDNESDAY MORNING. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. $$ MTZ006-191000- /O.NEW.KMSO.WS.A.0020.071220T0000Z-071220T2200Z/ /O.CON.KMSO.SN.Y.0042.000000T0000Z-071219T1200Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 239 PM MST TUE DEC 18 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... ...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON ABOVE 4000 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER EVENING THROUGH THURSDAY AFTERNOON. A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY. SNOW WILL INCREASE THIS EVENING AND CONTINUE OVERNIGHT...ESPECIALLY ALONG THE BITTERROOT MOUNTAINS. NEW SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED BY WEDNESDAY MORNING. LOLO PASS WILL BE ONE OF THE AREAS MOST EFFECTED BY THIS SYSTEM. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A STRONGER PACIFIC WEATHER SYSTEM IS EXPECTED TO IMPACT THE AREA WEDNESDAY NIGHT AND THURSDAY. ADDITIONAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE POSSIBLE. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ006-MTZ004-191000- /O.NEW.KMSO.WS.A.0020.071220T0000Z-071220T2200Z/ /O.CON.KMSO.SN.Y.0042.000000T0000Z-071219T1200Z/ SOUTHERN CLEARWATER MOUNTAINS-LOWER CLARK FORK REGION- 239 PM MST TUE DEC 18 2007 /139 PM PST TUE DEC 18 2007/ ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ WEDNESDAY ABOVE 4000 FEET... ...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON ABOVE 4000 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WATCH ABOVE 4000 FEET...WHICH IS IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY AFTERNOON. A SNOW ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ WEDNESDAY. STEADY SNOW WILL BE OBSERVED TONIGHT. NEW SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED BY EARLY WEDNESDAY MORNING ABOVE 4000 FEET WITH 1 TO 3 INCHES POSSIBLE IN THE LOWER VALLEYS. HIGHWAY 12 LEADING UP TO LOLO PASS AND I-90 OVER LOOKOUT PASS WILL SOME OF THE AREAS MOST EFFECTED BY THIS SYSTEM. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A STRONGER PACIFIC WEATHER SYSTEM IS EXPECTED TO IMPACT THE AREA WEDNESDAY NIGHT AND THURSDAY. ADDITIONAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE POSSIBLE. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ005-191000- /O.NEW.KMSO.WS.A.0020.071220T0000Z-071220T2200Z/ /O.CON.KMSO.SN.Y.0042.000000T0000Z-071219T1200Z/ NORTHERN CLEARWATER MOUNTAINS- 139 PM PST TUE DEC 18 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST WEDNESDAY ABOVE 3000 FEET... ...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON ABOVE 4000 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WATCH ABOVE 4000 FEET...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON. A SNOW ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 4 AM PST WEDNESDAY. STEADY SNOW WILL BE OBSERVED TONIGHT. NEW SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED BY EARLY WEDNESDAY MORNING ABOVE 3000 FEET. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A STRONGER PACIFIC WEATHER SYSTEM IS EXPECTED TO IMPACT THE AREA WEDNESDAY NIGHT AND THURSDAY. ADDITIONAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES ARE POSSIBLE. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ MTZ002-043-191000- /O.CON.KMSO.SN.Y.0042.071219T0000Z-071219T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 239 PM MST TUE DEC 18 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST WEDNESDAY... A SNOW ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST WEDNESDAY. STEADY SNOW WILL BEGIN THIS EVENING AND CONTINUE INTO WEDNESDAY MORNING. NEW SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED BY LATE WEDNESDAY MORNING. LOCAL BREEZY WINDS NEAR MARIAS PASS WILL CAUSE LOCAL BLOWING AND DRIFTING SNOW DURING THIS PERIOD. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS45 KMSO 190456 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 956 PM MST TUE DEC 18 2007 .A PACIFIC WEATHER SYSTEM WILL SPREAD SIGNIFICANT MOISTURE ACROSS NORTHERN IDAHO AND WESTERN MONTANA TONIGHT. THIS WEATHER SYSTEM WILL BE QUICKLY FOLLOWED BY AN EVEN STRONGER WEATHER SYSTEM WEDNESDAY NIGHT THROUGH MUCH OF THURSDAY. MTZ001-191200- /O.CON.KMSO.HS.W.0021.000000T0000Z-071219T1200Z/ KOOTENAI/CABINET REGION- 956 PM MST TUE DEC 18 2007 ...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY. SNOW WILL CONTINUE TO FALL OVERNIGHT WITH 1 TO 2 INCHES OF ADDITIONAL ACCUMULATION BY WEDNESDAY MORNING. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. $$ MTZ006-191300- /O.CON.KMSO.SN.Y.0042.000000T0000Z-071219T1200Z/ /O.CON.KMSO.WS.A.0020.071220T0000Z-071220T2200Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 956 PM MST TUE DEC 18 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON ABOVE 4000 FEET... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY. A WINTER STORM WATCH ABOVE 4000 FEET REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON. SNOW SHOWERS WILL INCREASE IN COVERAGE OVERNIGHT...ESPECIALLY ALONG THE BITTERROOT MOUNTAINS. AN ADDITIONAL 2 TO 3 INCHES OF SNOW ARE EXPECTED BY WEDNESDAY MORNING. LOLO PASS WILL BE ONE OF THE AREAS MOST AFFECTED BY THIS SYSTEM. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. WEDNESDAY NIGHT THROUGH THURSDAY AN EVEN STRONGER PACIFIC WEATHER SYSTEM IS EXPECTED TO IMPACT THE AREA BRINGING THE POSSIBILITY OF AN ADDITIONAL 6 TO 12 INCHES OF SNOW ABOVE 4000 FEET. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ006-MTZ004-191300- /O.CON.KMSO.SN.Y.0042.000000T0000Z-071219T1200Z/ /O.CON.KMSO.WS.A.0020.071220T0000Z-071220T2200Z/ SOUTHERN CLEARWATER MOUNTAINS-LOWER CLARK FORK REGION- 956 PM MST TUE DEC 18 2007 /856 PM PST TUE DEC 18 2007/ ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ WEDNESDAY ABOVE 4000 FEET... ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON ABOVE 4000 FEET... A SNOW ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ WEDNESDAY. A WINTER STORM WATCH ABOVE 4000 FEET REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON. SNOW SHOWERS WILL CONTINUE OVERNIGHT TONIGHT WITH AN ADDITIONAL ACCUMULATION OF 2 TO 4 INCHES EXPECTED BY EARLY WEDNESDAY MORNING ABOVE 4000 FEET WITH 1 TO 2 INCHES POSSIBLE IN THE LOWER VALLEYS. HIGHWAY 12 LEADING UP TO LOLO PASS AND I-90 OVER LOOKOUT PASS WILL SOME OF THE AREAS MOST AFFECTED BY THIS SYSTEM. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. AN EVEN STRONGER PACIFIC WEATHER SYSTEM IS EXPECTED TO IMPACT THE AREA WEDNESDAY NIGHT THROUGH THURSDAY BRINGING THE POTENTIAL FOR AN ADDITIONAL 6 TO 12 INCHES OF SNOW ABOVE 4000 FEET. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ005-191300- /O.CON.KMSO.SN.Y.0042.000000T0000Z-071219T1200Z/ /O.CON.KMSO.WS.A.0020.071220T0000Z-071220T2200Z/ NORTHERN CLEARWATER MOUNTAINS- 856 PM PST TUE DEC 18 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST WEDNESDAY ABOVE 3000 FEET... ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON ABOVE 4000 FEET... A SNOW ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 4 AM PST WEDNESDAY. A WINTER STORM WATCH ABOVE 4000 FEET REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON. SNOW SHOWERS WILL CONTINUE OVERNIGHT WITH AN ADDITIONAL 1 TO 3 INCHES OF ACCUMULATION EXPECTED BY EARLY WEDNESDAY MORNING ABOVE 3000 FEET. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. AN EVEN STRONGER PACIFIC WEATHER SYSTEM IS EXPECTED TO IMPACT THE AREA WEDNESDAY NIGHT THROUGH THURSDAY BRINGING THE POTENTIAL FOR AN ADDITIONAL 6 TO 12 INCHES OF SNOW ABOVE 4000 FEET. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ MTZ002-043-191300- /O.CON.KMSO.SN.Y.0042.000000T0000Z-071219T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 956 PM MST TUE DEC 18 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY... A SNOW ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST WEDNESDAY. STEADY SNOW WILL CONTINUE TO FALL OVERNIGHT WITH AN ADDITIONAL 2 TO 4 INCHES OF ACCUMULATION EXPECTED BY LATE WEDNESDAY MORNING. OCCASIONALLY BREEZY WINDS NEAR MARIAS PASS WILL CAUSE LOCAL BLOWING AND DRIFTING SNOW DURING TONIGHT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ010-191300- /O.EXA.KMSO.WS.A.0020.071220T0000Z-071220T2200Z/ EASTERN LEMHI COUNTY- 956 PM MST TUE DEC 18 2007 ...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON ABOVE 4000 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WATCH ABOVE 4000 FEET...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY AFTERNOON. AN EVEN STRONGER PACIFIC WEATHER SYSTEM IS EXPECTED TO IMPACT THE AREA WEDNESDAY NIGHT THROUGH THURSDAY BRINGING THE POTENTIAL FOR AN ADDITIONAL 6 TO 12 INCHES OF SNOW. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$
000 WWUS45 KMSO 191128 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 428 AM MST WED DEC 19 2007 .ANOTHER PACIFIC WEATHER SYSTEM WILL SPREAD SIGNIFICANT MOISTURE ACROSS NORTHERN IDAHO AND WESTERN MONTANA LATE THIS AFTERNOON THROUGH THURSDAY AFTERNOON. MTZ001-191230- /O.CAN.KMSO.HS.W.0021.000000T0000Z-071219T1200Z/ KOOTENAI/CABINET REGION- 428 AM MST WED DEC 19 2007 ...HEAVY SNOW WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE HEAVY SNOW WARNING. WIDESPREAD ACCUMULATING SNOWS HAVE ENDED. SCATTERED SNOW SHOWERS WITH LOCAL ACCUMULATIONS OF 1 TO 3 INCHES ARE POSSIBLE THROUGH THIS AFTERNOON. $$ IDZ005-006-MTZ004-006-191930- /O.CAN.KMSO.SN.Y.0042.000000T0000Z-071219T1200Z/ /O.UPG.KMSO.WS.A.0020.071220T0000Z-071220T2200Z/ /O.NEW.KMSO.HS.W.0022.071220T0000Z-071220T2200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- LOWER CLARK FORK REGION-BITTERROOT/SAPPHIRE MOUNTAINS- 428 AM MST WED DEC 19 2007 /328 AM PST WED DEC 19 2007/ ...HEAVY SNOW WARNING IN EFFECT FROM 5 PM MST /4 PM PST/ THIS AFTERNOON TO 3 PM MST /2 PM PST/ THURSDAY ABOVE 4000 FEET... ...SNOW ADVISORY IS CANCELLED... ...WINTER STORM WATCH NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW WARNING ABOVE 4000 FEET...WHICH IS IN EFFECT FROM 5 PM MST /4 PM PST/ THIS AFTERNOON TO 3 PM MST /2 PM PST/ THURSDAY. THE SNOW ADVISORY HAS BEEN CANCELLED. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. WIDESPREAD SNOW WILL BEGIN LATE THIS AFTERNOON THROUGH THURSDAY...ESPECIALLY ALONG THE BITTERROOT MOUNTAINS. 8 TO 14 INCHES OF SNOW ARE EXPECTED ABOVE 4000 FEET WITH LOCALLY UP TO 2 FEET AT HIGHER ELEVATIONS. A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. $$ MTZ002-043-191230- /O.CAN.KMSO.SN.Y.0042.000000T0000Z-071219T1800Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 428 AM MST WED DEC 19 2007 ...SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE SNOW ADVISORY. $$ IDZ010-191930- /O.CON.KMSO.WS.A.0020.071220T0000Z-071220T2200Z/ EASTERN LEMHI COUNTY- 428 AM MST WED DEC 19 2007 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS AFTERNOON THROUGH THURSDAY AFTERNOON ABOVE 4000 FEET... A WINTER STORM WATCH ABOVE 4000 FEET REMAINS IN EFFECT FROM THIS AFTERNOON THROUGH THURSDAY AFTERNOON. A STRONGER PACIFIC WEATHER SYSTEM IS EXPECTED TO IMPACT THE AREA LATE TONIGHT THROUGH THURSDAY BRINGING THE POTENTIAL FOR SIGNIFICANT MOUNTAIN SNOWS...POSSIBLY 6 TO 12 INCHES. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 7:49 PM MST | Snow Advisory | MSO | Flathead, Granite, Lake, Mineral, Missoula, Powell and 2 more | 33 hr |
| Dec 18, 2:39 PM MST | Winter Storm Watch | MSO | Granite, Mineral, Missoula, Ravalli, Sanders | 22 hr |
Nearby
Heavy Snow Warnings in Montana, 2007Every heavy snow warning in 2007
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.