Alert archive / Montana / Winter Storm Watches in 2007
Winter Storm Watch 21, NWS Missoula, MT
NWS Missoula, MT issued this winter storm watch at Dec 22, 2007, 3:50 AM PST for Clearwater County, Idaho County, Lemhi County, Idaho; 5 counties in Montana. It took effect at Dec 22, 2007, 12:49 PM PST. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- Dec 22, 2007, 3:50 AM PST (11:50 UTC)
- In effect from
- Dec 22, 2007, 12:49 PM PST
- Expired
- Dec 23, 2007, 12:53 PM PST
- In force
- 24 hr
- Issued by
- NWS Missoula, MT
Counties Clearwater County, ID, Idaho County, ID, Lemhi County, ID, Granite County, MT, Mineral County, MT, Missoula County, MT, Ravalli County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 78 km from the middle of the area, began a volume at 11:47 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Spokane, WA (KOTX), launched 00:00Z, 11.8 hours before the alert went out and 193 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
- 1314 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 162 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 221150 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 450 AM MST SAT DEC 22 2007 ...PROGRESSIVE PATTERN WILL BRING IN TWO MOIST PACIFIC SYSTEMS THROUGH MONDAY... .A QUICK HITTING SYSTEM WILL PUSH INTO NORTHERN IDAHO AND FAR WESTERN MONTANA LATER THIS AFTERNOON PRODUCING MODERATE SNOW ACCUMULATIONS IN THE MOUNTAINS AND LIGHT TO MODERATE ACCUMULATIONS IN THE VALLEYS. A SECOND...STRONGER STORM IS EXPECTED LATE SUNDAY NIGHT THROUGH MONDAY. THIS SYSTEM WILL AGAIN FAVOR NORTHERN IDAHO AND FAR WESTERN MONTANA ALONG THE IDAHO BORDER SUNDAY NIGHT AND MONDAY MORNING BEFORE SHIFTING TO SOUTHERN IDAHO AND FAR SOUTHWEST MONTANA. THERE IS POTENTIAL FOR HEAVY SNOW ACCUMULATIONS IN THE MOUNTAINS AND MODERATE TO HEAVY ACCUMULATIONS IN THE HIGHER VALLEYS. MUCH OF NORTHWEST AND WEST CENTRAL MONTANA WILL ALSO SEE SNOW WITH THESE WEATHER SYSTEMS...BUT ACCUMULATIONS IN THESE AREAS ARE EXPECTED TO BE LIGHT. MTZ004-222200- /O.NEW.KMSO.SN.Y.0044.071222T2200Z-071223T1200Z/ /O.NEW.KMSO.WS.A.0021.071224T0300Z-071224T2100Z/ LOWER CLARK FORK REGION- 450 AM MST SAT DEC 22 2007 ...SNOW ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 5 AM MST SUNDAY ABOVE 3500 FEET... ...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY ABOVE 3500 FEET...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO 5 AM MST SUNDAY. A WINTER STORM WATCH HAS ALSO BEEN ISSUED. THIS WINTER STORM WATCH IS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON. THE MOUNTAINS AND HIGHER VALLEYS WILL SEE 3 TO 6 INCHES OF SNOW ACCUMULATIONS FROM LATE THIS AFTERNOON THROUGH TONIGHT. THIS WILL MAINLY IMPACT TRAVEL ON INTERSTATE 90 FROM NEAR SALTESE TO LOOKOUT PASS. AREAS BELOW 3500 FEET WILL SEE ACCUMULATIONS 1 TO 3 INCHES. A STRONGER SYSTEM SUNDAY NIGHT THROUGH MIDDAY MONDAY HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS AND 3 TO 5 INCHES IN THE VALLEYS. INCREASING WINDS IN THE MOUNTAINS COULD CAUSE LOCAL BLOWING SNOW. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ006-222200- /O.NEW.KMSO.SN.Y.0044.071223T0000Z-071223T1200Z/ /O.NEW.KMSO.WS.A.0021.071224T0300Z-071224T2100Z/ SOUTHERN CLEARWATER MOUNTAINS- 350 AM PST SAT DEC 22 2007 ...SNOW ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST SUNDAY ABOVE 3000 FEET MAINLY NORTHERN IDAHO COUNTY... ...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY ABOVE 3000 FEET...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST SUNDAY. A WINTER STORM WATCH HAS ALSO BEEN ISSUED. THIS WINTER STORM WATCH IS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON. SNOW ACCUMULATIONS OF 3 TO 7 INCHES WILL OCCUR LATE THIS AFTERNOON THROUGH TONIGHT ABOVE 3000 FEET OVER NORTHERN IDAHO COUNTY. THIS WILL MAINLY IMPACT TRAVEL ALONG HIGHWAY 12 FROM NEAR THE WARM SPRINGS CREEK BRIDGE TO LOLO PASS. AREAS BELOW 3000 FEET WILL SEE ACCUMULATIONS UP TO 2 INCHES. A STRONGER SYSTEM SUNDAY NIGHT THROUGH MIDDAY MONDAY HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS AND 3 TO 5 INCHES IN ALL BUT THE LOWEST VALLEYS. INCREASING WINDS COULD CAUSE LOCAL BLOWING SNOW. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ005-222200- /O.NEW.KMSO.SN.Y.0044.071222T2300Z-071223T1200Z/ /O.NEW.KMSO.WS.A.0021.071224T0300Z-071224T2100Z/ NORTHERN CLEARWATER MOUNTAINS- 350 AM PST SAT DEC 22 2007 ...SNOW ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 4 AM PST SUNDAY ABOVE 3000 FEET... ...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY ABOVE 3000 FEET...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO 4 AM PST SUNDAY. A WINTER STORM WATCH HAS ALSO BEEN ISSUED. THIS WINTER STORM WATCH IS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON. SNOW ACCUMULATIONS OF 3 TO 7 INCHES WILL OCCUR FROM MID AFTERNOON THROUGH TONIGHT ABOVE 3000 FEET. AREAS BELOW 3000 FEET WILL SEE ACCUMULATIONS UP TO 2 INCHES. A STRONGER SYSTEM SUNDAY NIGHT THROUGH MIDDAY MONDAY HAS THE POTENTIAL TO PRODUCE 6 TO 12 INCHES OF SNOW IN THE HIGHER VALLEYS AND MOUNTAINS. INCREASING WINDS COULD CAUSE LOCAL BLOWING SNOW. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ009-010-222200- /O.NEW.KMSO.WS.A.0021.071224T1200Z-071225T0000Z/ WESTERN LEMHI COUNTY-EASTERN LEMHI COUNTY- 450 AM MST SAT DEC 22 2007 ...WINTER STORM WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY AFTERNOON. A STORM SYSTEM ARRIVING MONDAY HAS THE POTENTIAL TO PRODUCE SNOW ACCUMULATIONS OF 6 TO 10 INCHES IN THE MOUNTAINS AND 3 TO 7 INCHES IN THE VALLEYS. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$
7 follow-up statements
000 WWUS45 KMSO 222049 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 149 PM MST SAT DEC 22 2007 ...PROGRESSIVE PATTERN WILL BRING IN TWO MOIST PACIFIC SYSTEMS THROUGH MONDAY... .A QUICK HITTING SYSTEM WILL PUSH INTO NORTHERN IDAHO AND FAR WESTERN MONTANA LATER THIS AFTERNOON PRODUCING MODERATE SNOW ACCUMULATIONS IN THE MOUNTAINS AND LIGHT TO MODERATE ACCUMULATIONS IN THE VALLEYS. A SECOND...STRONGER STORM IS EXPECTED LATE SUNDAY NIGHT THROUGH MONDAY. THIS SYSTEM WILL AGAIN FAVOR NORTH CENTRAL IDAHO AND FAR WESTERN MONTANA ALONG THE IDAHO BORDER LATE SUNDAY NIGHT AND MONDAY MORNING BEFORE MOVING INTO SOUTHERN IDAHO AND FAR SOUTHWEST MONTANA. THE POTENTIAL EXISTS FOR HEAVY SNOW ACCUMULATIONS IN THE MOUNTAINS AND MODERATE ACCUMULATIONS IN THE HIGHER VALLEYS. MUCH OF NORTHWEST AND WEST CENTRAL MONTANA WILL ALSO SEE SNOW WITH THESE WEATHER SYSTEMS...BUT ACCUMULATIONS IN THESE AREAS ARE EXPECTED TO BE LIGHT. IDZ009-222200- /O.CAN.KMSO.WS.A.0021.071224T1200Z-071225T0000Z/ WESTERN LEMHI COUNTY- 149 PM MST SAT DEC 22 2007 ...WINTER STORM WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WATCH. SNOWFALL AMOUNTS WITH THIS SYSTEM ARE NO LONGER EXPECTED TO BE HEAVY BELOW 4000 FEET. $$ MTZ004-230500- /O.EXT.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ /O.CON.KMSO.SN.Y.0044.071222T2200Z-071223T1200Z/ LOWER CLARK FORK REGION- 149 PM MST SAT DEC 22 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY ABOVE 3500 FEET... ...WINTER STORM WATCH NOW IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... THE WINTER STORM WATCH ABOVE 3500 FEET IS NOW IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON. A SNOW ADVISORY ABOVE 3500 FEET REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY. THE MOUNTAINS AND HIGHER VALLEYS WILL SEE 3 TO 6 INCHES OF SNOW ACCUMULATIONS FROM LATE THIS AFTERNOON THROUGH TONIGHT. THIS WILL MAINLY IMPACT TRAVEL ON INTERSTATE 90 FROM NEAR SALTESE TO LOOKOUT PASS. AREAS BELOW 3500 FEET WILL SEE ACCUMULATIONS 1 TO 3 INCHES. A STRONGER SYSTEM WILL PASS SUNDAY EVENING THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS AND 3 TO 5 INCHES IN THE VALLEYS. INCREASING WINDS IN THE MOUNTAINS COULD CAUSE LOCAL BLOWING SNOW. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ006-230500- /O.EXT.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ /O.CON.KMSO.SN.Y.0044.071223T0000Z-071223T1200Z/ SOUTHERN CLEARWATER MOUNTAINS- 1249 PM PST SAT DEC 22 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST SUNDAY ABOVE 3000 FEET... ...WINTER STORM WATCH NOW IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... THE WINTER STORM WATCH ABOVE 3500 FEET IS NOW IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON. A SNOW ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST SUNDAY. SNOW ACCUMULATIONS OF 3 TO 7 INCHES WILL OCCUR LATE THIS AFTERNOON THROUGH TONIGHT ABOVE 3000 FEET OVER NORTHERN IDAHO COUNTY. THIS WILL MAINLY IMPACT TRAVEL ALONG HIGHWAY 12 FROM NEAR THE WARM SPRINGS CREEK BRIDGE TO LOLO PASS. AREAS BELOW 3000 FEET WILL SEE ACCUMULATIONS UP TO 2 INCHES. A STRONGER SYSTEM WILL PASS SUNDAY EVENING THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS AND 3 TO 5 INCHES IN ALL BUT THE LOWEST VALLEYS. THIS SYSTEM ALSO HAS THE POTENTIAL TO BE A SIGNIFICANT IMPACT TO TRAVEL ALONG THE HIGHWAY 12 CORRIDOR BETWEEN THE WARM SPRINGS CREEK BRIDGE AND LOLO PASS. INCREASING WINDS COULD CAUSE LOCAL BLOWING SNOW. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ005-230500- /O.EXT.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ /O.CON.KMSO.SN.Y.0044.071222T2300Z-071223T1200Z/ NORTHERN CLEARWATER MOUNTAINS- 1249 PM PST SAT DEC 22 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 4 AM PST SUNDAY ABOVE 3000 FEET... ...WINTER STORM WATCH NOW IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... THE WINTER STORM WATCH ABOVE 3500 FEET IS NOW IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON. A SNOW ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 4 AM PST SUNDAY. SNOW ACCUMULATIONS OF 3 TO 7 INCHES WILL OCCUR FROM MID AFTERNOON THROUGH TONIGHT ABOVE 3000 FEET. AREAS BELOW 3000 FEET WILL SEE ACCUMULATIONS UP TO 2 INCHES. A STRONGER SYSTEM WILL PASS SUNDAY EVENING THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 12 INCHES OF SNOW IN THE HIGHER VALLEYS AND MOUNTAINS. INCREASING WINDS COULD CAUSE LOCAL BLOWING SNOW. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ MTZ006-230500- /O.EXB.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 149 PM MST SAT DEC 22 2007 ...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON NEAR LOLO PASS AND LOST TRAIL PASS... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WATCH ABOVE NEAR LOLO PASS AND LOST TRAIL PASS...WHICH IS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON. A STRONG WINTER WEATHER SYSTEM WILL QUICKLY MOVE SOUTHEAST ACROSS THE BITTERROOT AND SAPPHIRE MOUNTAINS SUNDAY NIGHT THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS NEAR LOLO PASS AND LOST TRAIL PASS. 3 TO 5 INCHES ARE EXPECTED ELSEWHERE. INCREASING WINDS IN THE MOUNTAINS COULD CAUSE LOCAL BLOWING SNOW. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ010-230500- /O.CON.KMSO.WS.A.0021.071224T1200Z-071225T0000Z/ EASTERN LEMHI COUNTY- 149 PM MST SAT DEC 22 2007 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY AFTERNOON FOR LOST TRAIL PASS... A WINTER STORM WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY AFTERNOON FOR LOST TRAIL PASS. A STORM SYSTEM ARRIVING ON MONDAY HAS THE POTENTIAL TO PRODUCE SNOW ACCUMULATIONS OF 6 TO 10 INCHES ABOVE 5000 FEET NEAR LOST TRAIL PASS AND 3 TO 6 INCHES ELSEWHERE. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$
000 WWUS45 KMSO 222100 CCA WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 149 PM MST SAT DEC 22 2007 ...PROGRESSIVE PATTERN WILL BRING IN TWO MOIST PACIFIC SYSTEMS THROUGH MONDAY... .A QUICK HITTING SYSTEM WILL PUSH INTO NORTHERN IDAHO AND FAR WESTERN MONTANA LATER THIS AFTERNOON PRODUCING MODERATE SNOW ACCUMULATIONS IN THE MOUNTAINS AND LIGHT TO MODERATE ACCUMULATIONS IN THE VALLEYS. A SECOND...STRONGER STORM IS EXPECTED LATE SUNDAY NIGHT THROUGH MONDAY. THIS SYSTEM WILL AGAIN FAVOR NORTH CENTRAL IDAHO AND FAR WESTERN MONTANA ALONG THE IDAHO BORDER LATE SUNDAY NIGHT AND MONDAY MORNING BEFORE MOVING INTO SOUTHERN IDAHO AND FAR SOUTHWEST MONTANA. THE POTENTIAL EXISTS FOR HEAVY SNOW ACCUMULATIONS IN THE MOUNTAINS AND MODERATE ACCUMULATIONS IN THE HIGHER VALLEYS. MUCH OF NORTHWEST AND WEST CENTRAL MONTANA WILL ALSO SEE SNOW WITH THESE WEATHER SYSTEMS...BUT ACCUMULATIONS IN THESE AREAS ARE EXPECTED TO BE LIGHT. IDZ009-222200- /O.CAN.KMSO.WS.A.0021.071224T1200Z-071225T0000Z/ WESTERN LEMHI COUNTY- 149 PM MST SAT DEC 22 2007 ...WINTER STORM WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WATCH. SNOWFALL AMOUNTS WITH THIS SYSTEM ARE NO LONGER EXPECTED TO BE HEAVY BELOW 4000 FEET. $$ MTZ004-230500- /O.EXT.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ /O.CON.KMSO.SN.Y.0044.071222T2200Z-071223T1200Z/ LOWER CLARK FORK REGION- 149 PM MST SAT DEC 22 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY ABOVE 3500 FEET... ...WINTER STORM WATCH NOW IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... THE WINTER STORM WATCH ABOVE 3500 FEET IS NOW IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON. A SNOW ADVISORY ABOVE 3500 FEET REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY. THE MOUNTAINS AND HIGHER VALLEYS WILL SEE 3 TO 6 INCHES OF SNOW ACCUMULATIONS FROM LATE THIS AFTERNOON THROUGH TONIGHT. THIS WILL MAINLY IMPACT TRAVEL ON INTERSTATE 90 FROM NEAR SALTESE TO LOOKOUT PASS. AREAS BELOW 3500 FEET WILL SEE ACCUMULATIONS 1 TO 3 INCHES. A STRONGER SYSTEM WILL PASS SUNDAY EVENING THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS AND 3 TO 5 INCHES IN THE VALLEYS. INCREASING WINDS IN THE MOUNTAINS COULD CAUSE LOCAL BLOWING SNOW. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ006-230500- /O.EXT.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ /O.CON.KMSO.SN.Y.0044.071223T0000Z-071223T1200Z/ SOUTHERN CLEARWATER MOUNTAINS- 1249 PM PST SAT DEC 22 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST SUNDAY ABOVE 3000 FEET... ...WINTER STORM WATCH NOW IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... THE WINTER STORM WATCH ABOVE 3500 FEET IS NOW IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON. A SNOW ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST SUNDAY. SNOW ACCUMULATIONS OF 3 TO 7 INCHES WILL OCCUR LATE THIS AFTERNOON THROUGH TONIGHT ABOVE 3000 FEET OVER NORTHERN IDAHO COUNTY. THIS WILL MAINLY IMPACT TRAVEL ALONG HIGHWAY 12 FROM NEAR THE WARM SPRINGS CREEK BRIDGE TO LOLO PASS. AREAS BELOW 3000 FEET WILL SEE ACCUMULATIONS UP TO 2 INCHES. A STRONGER SYSTEM WILL PASS SUNDAY EVENING THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS AND 3 TO 5 INCHES IN ALL BUT THE LOWEST VALLEYS. THIS SYSTEM ALSO HAS THE POTENTIAL TO BE A SIGNIFICANT IMPACT TO TRAVEL ALONG THE HIGHWAY 12 CORRIDOR BETWEEN THE WARM SPRINGS CREEK BRIDGE AND LOLO PASS. INCREASING WINDS COULD CAUSE LOCAL BLOWING SNOW. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ005-230500- /O.EXT.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ /O.CON.KMSO.SN.Y.0044.071222T2300Z-071223T1200Z/ NORTHERN CLEARWATER MOUNTAINS- 1249 PM PST SAT DEC 22 2007 ...SNOW ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 4 AM PST SUNDAY ABOVE 3000 FEET... ...WINTER STORM WATCH NOW IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... THE WINTER STORM WATCH ABOVE 3500 FEET IS NOW IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON. A SNOW ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 4 AM PST SUNDAY. SNOW ACCUMULATIONS OF 3 TO 7 INCHES WILL OCCUR FROM MID AFTERNOON THROUGH TONIGHT ABOVE 3000 FEET. AREAS BELOW 3000 FEET WILL SEE ACCUMULATIONS UP TO 2 INCHES. A STRONGER SYSTEM WILL PASS SUNDAY EVENING THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 12 INCHES OF SNOW IN THE HIGHER VALLEYS AND MOUNTAINS. INCREASING WINDS COULD CAUSE LOCAL BLOWING SNOW. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ MTZ006-230500- /O.EXB.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 149 PM MST SAT DEC 22 2007 ...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON NEAR LOLO PASS AND LOST TRAIL PASS... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WATCH NEAR LOLO PASS AND LOST TRAIL PASS...WHICH IS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON. A STRONG WINTER WEATHER SYSTEM WILL QUICKLY MOVE SOUTHEAST ACROSS THE BITTERROOT AND SAPPHIRE MOUNTAINS SUNDAY NIGHT THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS NEAR LOLO PASS AND LOST TRAIL PASS. 3 TO 5 INCHES ARE EXPECTED ELSEWHERE. INCREASING WINDS IN THE MOUNTAINS COULD CAUSE LOCAL BLOWING SNOW. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ010-230500- /O.CON.KMSO.WS.A.0021.071224T1200Z-071225T0000Z/ EASTERN LEMHI COUNTY- 149 PM MST SAT DEC 22 2007 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY AFTERNOON FOR LOST TRAIL PASS... A WINTER STORM WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY AFTERNOON FOR LOST TRAIL PASS. A STORM SYSTEM ARRIVING ON MONDAY HAS THE POTENTIAL TO PRODUCE SNOW ACCUMULATIONS OF 6 TO 10 INCHES ABOVE 5000 FEET NEAR LOST TRAIL PASS AND 3 TO 6 INCHES ELSEWHERE. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$
000 WWUS45 KMSO 230440 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 940 PM MST SAT DEC 22 2007 ...PROGRESSIVE PATTERN WILL BRING IN TWO MOIST PACIFIC SYSTEMS THROUGH MONDAY... .A QUICK HITTING SYSTEM CONTINUES TO PUSH THROUGH NORTHERN IDAHO AND FAR WESTERN MONTANA. MODERATE SNOW ACCUMULATIONS IN THE MOUNTAINS AND LIGHT ACCUMULATIONS IN THE VALLEYS ARE EXPECTED OVERNIGHT. A SECOND...STRONGER STORM IS EXPECTED LATE SUNDAY NIGHT THROUGH MONDAY. THIS SYSTEM WILL AGAIN FAVOR NORTH CENTRAL IDAHO AND FAR WESTERN MONTANA ALONG THE IDAHO BORDER LATE SUNDAY NIGHT AND MONDAY MORNING BEFORE MOVING INTO SOUTHERN IDAHO AND FAR SOUTHWEST MONTANA ON CHRISTMAS EVE DAY. THE POTENTIAL EXISTS FOR HEAVY SNOW ACCUMULATIONS IN THE MOUNTAINS AND MODERATE ACCUMULATIONS IN THE HIGHER VALLEYS. MUCH OF NORTHWEST AND WEST CENTRAL MONTANA WILL ALSO SEE SNOW WITH THESE WEATHER SYSTEMS... BUT ACCUMULATIONS IN THESE AREAS ARE EXPECTED TO BE LIGHTER. MTZ004-231245- /O.CON.KMSO.SN.Y.0044.000000T0000Z-071223T1200Z/ /O.CON.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ LOWER CLARK FORK REGION- 940 PM MST SAT DEC 22 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY ABOVE 3500 FEET... ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... A SNOW ADVISORY ABOVE 3500 FEET REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY. A WINTER STORM WATCH ABOVE 3500 FEET REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON. THE MOUNTAINS AND HIGHER VALLEYS WILL SEE 3 TO 6 INCHES OF TOTAL SNOW ACCUMULATION BY MORNING. THIS WILL MAINLY IMPACT TRAVEL ON INTERSTATE 90 FROM NEAR SALTESE TO LOOKOUT PASS. AREAS BELOW 3500 FEET WILL SEE ACCUMULATIONS 1 TO 3 INCHES BY MORNING. A STRONGER SYSTEM WILL PASS SUNDAY EVENING THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS AND 3 TO 5 INCHES IN THE VALLEYS. INCREASING WINDS IN THE MOUNTAINS COULD CAUSE LOCAL BLOWING SNOW. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ006-231245- /O.CON.KMSO.SN.Y.0044.000000T0000Z-071223T1200Z/ /O.CON.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ SOUTHERN CLEARWATER MOUNTAINS- 840 PM PST SAT DEC 22 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY ABOVE 3000 FEET... ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... A SNOW ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY. A WINTER STORM WATCH ABOVE 3500 FEET REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON. TOTAL SNOW ACCUMULATION OF 3 TO 7 INCHES WILL OCCUR THROUGH TONIGHT ABOVE 3000 FEET OVER NORTHERN IDAHO COUNTY. THIS WILL MAINLY IMPACT TRAVEL ALONG HIGHWAY 12 FROM NEAR THE WARM SPRINGS CREEK BRIDGE TO LOLO PASS. AREAS BELOW 3000 FEET WILL SEE ACCUMULATIONS UP TO 2 INCHES BY MORNING. A STRONGER SYSTEM WILL MOVE ACROSS THE AREA SUNDAY EVENING THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS AND 3 TO 5 INCHES IN ALL BUT THE LOWEST VALLEYS. THIS STORM COULD SIGNIFICANTLY IMPACT TRAVEL ALONG THE HIGHWAY 12 CORRIDOR BETWEEN THE WARM SPRINGS CREEK BRIDGE AND LOLO PASS. FINALLY...INCREASING WINDS COULD CAUSE LOCAL BLOWING SNOW OVER THE PASS AND IN OPEN OR EXPOSED LOCATIONS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ005-231245- /O.CON.KMSO.SN.Y.0044.000000T0000Z-071223T1200Z/ /O.CON.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ NORTHERN CLEARWATER MOUNTAINS- 840 PM PST SAT DEC 22 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY ABOVE 3000 FEET... ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... A SNOW ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY. A WINTER STORM WATCH ABOVE 3500 FEET REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES WILL OCCUR THROUGH TONIGHT ABOVE 3000 FEET. AREAS BELOW 3000 FEET WILL SEE ACCUMULATIONS UP TO 2 INCHES BY MORNING. A STRONGER SYSTEM WILL MOVE OVER THE AREA SUNDAY EVENING THROUGH MONDAY AFTERNOON. THIS STORM HAS THE POTENTIAL TO PRODUCE 6 TO 12 INCHES OF SNOW IN THE HIGHER VALLEYS AND MOUNTAINS. INCREASING WINDS COULD CAUSE LOCAL BLOWING SNOW ACROSS THE HIGHER TERRAIN AND IN OPEN OR EXPOSED LOCATIONS. 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 WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ010-231245- /O.CON.KMSO.WS.A.0021.071224T1200Z-071225T0000Z/ EASTERN LEMHI COUNTY- 940 PM MST SAT DEC 22 2007 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY AFTERNOON... A WINTER STORM WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY AFTERNOON. A STORM SYSTEM ARRIVING ON MONDAY HAS THE POTENTIAL TO PRODUCE SNOW ACCUMULATIONS OF 6 TO 10 INCHES ABOVE 5000 FEET NEAR LOST TRAIL PASS AND 3 TO 6 INCHES ELSEWHERE. TRAVEL ON HIGHWAY 93 AND POSSIBLE IDAHO ROUTE 28 MAY BE SIGNIFICANTLY IMPACTED BY THIS STORM. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ MTZ006-231245- /O.CON.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 940 PM MST SAT DEC 22 2007 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... A WINTER STORM WATCH ABOVE 3500 FEET REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON. A STRONG WINTER WEATHER SYSTEM WILL QUICKLY MOVE SOUTHEAST ACROSS THE BITTERROOT AND SAPPHIRE MOUNTAINS SUNDAY NIGHT THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS NEAR LOLO AND LOST TRAIL PASS. ELSEWHERE...3 TO 5 INCHES ARE EXPECTED BY CHRISTMAS EVE. INCREASING WINDS IN THE MOUNTAINS COULD CAUSE LOCAL BLOWING SNOW...ESPECIALLY ACROSS OPEN OR EXPOSED LOCATIONS. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$
000 WWUS45 KMSO 230712 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1212 AM MST SUN DEC 23 2007 .A MOIST STORM IS EXPECTED LATE SUNDAY NIGHT THROUGH MONDAY. THIS SYSTEM WILL AGAIN FAVOR NORTH CENTRAL IDAHO AND FAR WESTERN MONTANA ALONG THE IDAHO BORDER LATE SUNDAY NIGHT AND MONDAY MORNING BEFORE MOVING INTO SOUTHERN IDAHO AND FAR SOUTHWEST MONTANA ON CHRISTMAS EVE DAY. THE POTENTIAL EXISTS FOR HEAVY SNOW ACCUMULATIONS IN THE MOUNTAINS AND MODERATE ACCUMULATIONS IN THE HIGHER VALLEYS. MUCH OF NORTHWEST AND WEST CENTRAL MONTANA WILL ALSO SEE SNOW WITH THESE WEATHER SYSTEMS... BUT ACCUMULATIONS IN THESE AREAS ARE EXPECTED TO BE LIGHTER. MTZ004-231515- /O.CAN.KMSO.SN.Y.0044.000000T0000Z-071223T1200Z/ /O.CON.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ LOWER CLARK FORK REGION- 1212 AM MST SUN DEC 23 2007 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... ...SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE SNOW ADVISORY. A WINTER STORM WATCH ABOVE 3500 FEET REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON. A VIGOROUS WEATHER SYSTEM WILL MOVE INTO THE AREA SUNDAY EVENING THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS AND 3 TO 5 INCHES IN THE VALLEYS. INCREASING WINDS IN THE MOUNTAINS COULD CAUSE LOCAL BLOWING SNOW. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ006-231515- /O.CON.KMSO.SN.Y.0044.000000T0000Z-071223T1200Z/ /O.CON.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ SOUTHERN CLEARWATER MOUNTAINS- 1112 PM PST SAT DEC 22 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY ABOVE 3000 FEET... ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... A SNOW ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY. A WINTER STORM WATCH ABOVE 3500 FEET REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON. TOTAL SNOW ACCUMULATION OF 2 TO 5 INCHES WILL OCCUR THROUGH EARLY SUNDAY MORNING ABOVE 3000 FEET OVER NORTHERN IDAHO COUNTY. THIS WILL MAINLY IMPACT TRAVEL ALONG HIGHWAY 12 FROM NEAR THE WARM SPRINGS CREEK BRIDGE TO LOLO PASS. AREAS BELOW 3000 FEET WILL SEE ACCUMULATIONS UP TO 2 INCHES BY MORNING. A STRONGER SYSTEM WILL MOVE ACROSS THE AREA SUNDAY EVENING THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS AND 3 TO 5 INCHES IN ALL BUT THE LOWEST VALLEYS. THIS STORM COULD SIGNIFICANTLY IMPACT TRAVEL ALONG THE HIGHWAY 12 CORRIDOR BETWEEN THE WARM SPRINGS CREEK BRIDGE AND LOLO PASS. FINALLY...INCREASING WINDS COULD CAUSE LOCAL BLOWING SNOW OVER THE PASS AND IN OPEN OR EXPOSED LOCATIONS. 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 WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ005-231515- /O.CON.KMSO.SN.Y.0044.000000T0000Z-071223T1200Z/ /O.CON.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ NORTHERN CLEARWATER MOUNTAINS- 1112 PM PST SAT DEC 22 2007 ...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY ABOVE 3000 FEET... ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... A SNOW ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY. A WINTER STORM WATCH ABOVE 3500 FEET REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES WILL OCCUR THROUGH EARLY SUNDAY MORNING ABOVE 3000 FEET. AREAS BELOW 3000 FEET WILL SEE ACCUMULATIONS UP TO 2 INCHES BY MORNING. A STRONGER SYSTEM WILL MOVE OVER THE AREA SUNDAY EVENING THROUGH MONDAY AFTERNOON. THIS STORM HAS THE POTENTIAL TO PRODUCE 6 TO 12 INCHES OF SNOW IN THE HIGHER VALLEYS AND MOUNTAINS. INCREASING WINDS COULD CAUSE LOCAL BLOWING SNOW ACROSS THE HIGHER TERRAIN AND IN OPEN OR EXPOSED LOCATIONS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ010-231515- /O.CON.KMSO.WS.A.0021.071224T1200Z-071225T0000Z/ EASTERN LEMHI COUNTY- 1212 AM MST SUN DEC 23 2007 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... A WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON. A STORM SYSTEM ARRIVING ON MONDAY HAS THE POTENTIAL TO PRODUCE SNOW ACCUMULATIONS OF 6 TO 10 INCHES ABOVE 5000 FEET NEAR LOST TRAIL PASS AND 3 TO 6 INCHES ELSEWHERE. TRAVEL ON HIGHWAY 93 AND POSSIBLE IDAHO ROUTE 28 MAY BE SIGNIFICANTLY IMPACTED BY THIS STORM. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ MTZ006-231515- /O.CON.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 1212 AM MST SUN DEC 23 2007 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... A WINTER STORM WATCH ABOVE 3500 FEET REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON. A STRONG WINTER WEATHER SYSTEM WILL QUICKLY MOVE SOUTHEAST ACROSS THE BITTERROOT AND SAPPHIRE MOUNTAINS SUNDAY NIGHT THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS NEAR LOLO AND LOST TRAIL PASS. ELSEWHERE...3 TO 5 INCHES ARE EXPECTED BY CHRISTMAS EVE. INCREASING WINDS IN THE MOUNTAINS COULD CAUSE LOCAL BLOWING SNOW...ESPECIALLY ACROSS OPEN OR EXPOSED LOCATIONS. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$
000 WWUS45 KMSO 231117 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 417 AM MST SUN DEC 23 2007 .A MOIST STORM IS EXPECTED LATE SUNDAY NIGHT THROUGH MONDAY. THIS SYSTEM WILL AGAIN FAVOR NORTH CENTRAL IDAHO AND FAR WESTERN MONTANA ALONG THE IDAHO BORDER SUNDAY NIGHT AND MONDAY MORNING BEFORE MOVING INTO SOUTHERN IDAHO AND FAR SOUTHWEST MONTANA ON CHRISTMAS EVE DAY. THE POTENTIAL EXISTS FOR HEAVY SNOW ACCUMULATIONS IN THE MOUNTAINS AND MODERATE ACCUMULATIONS IN THE HIGHER VALLEYS. MUCH OF NORTHWEST AND WEST CENTRAL MONTANA WILL ALSO SEE SNOW WITH THESE WEATHER SYSTEMS...BUT ACCUMULATIONS IN THESE AREAS ARE EXPECTED TO BE LIGHTER. IDZ006-231400- /O.EXT.KMSO.SN.Y.0044.000000T0000Z-071223T1400Z/ /O.CON.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ SOUTHERN CLEARWATER MOUNTAINS- 317 AM PST SUN DEC 23 2007 ...SNOW ADVISORY NOW IN EFFECT UNTIL 6 AM PST EARLY THIS MORNING ABOVE 3000 FEET... ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... THE SNOW ADVISORY ABOVE 3000 FEET IS NOW IN EFFECT UNTIL 6 AM PST EARLY THIS MORNING. A WINTER STORM WATCH ABOVE 3500 FEET REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES WILL OCCUR THROUGH EARLY THIS MORNING ABOVE 3000 FEET OVER NORTHERN IDAHO COUNTY. THIS WILL MAINLY IMPACT TRAVEL ALONG HIGHWAY 12 UP TO LOLO PASS. AREAS BELOW 3000 FEET WILL SEE ACCUMULATIONS UP TO 2 INCHES. A STRONGER SYSTEM WILL MOVE ACROSS THE AREA THIS EVENING THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS AND 3 TO 5 INCHES IN ALL BUT THE LOWEST VALLEYS. THIS STORM COULD SIGNIFICANTLY IMPACT TRAVEL ALONG THE HIGHWAY 12 CORRIDOR FROM NEAR POWELL TO LOLO PASS. FINALLY...INCREASING WINDS COULD CAUSE LOCAL BLOWING SNOW OVER THE PASS AND IN OPEN OR EXPOSED LOCATIONS. 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 WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ005-231400- /O.EXT.KMSO.SN.Y.0044.000000T0000Z-071223T1400Z/ /O.CON.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ NORTHERN CLEARWATER MOUNTAINS- 317 AM PST SUN DEC 23 2007 ...SNOW ADVISORY NOW IN EFFECT UNTIL 6 AM PST EARLY THIS MORNING ABOVE 3000 FEET... ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... THE SNOW ADVISORY ABOVE 3000 FEET IS NOW IN EFFECT UNTIL 6 AM PST EARLY THIS MORNING. A WINTER STORM WATCH ABOVE 3500 FEET REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES WILL OCCUR THROUGH EARLY THIS MORNING ABOVE 3000 FEET. AREAS BELOW 3000 FEET WILL SEE ACCUMULATIONS UP TO 2 INCHES. A STRONGER SYSTEM WILL MOVE OVER THE AREA THIS EVENING THROUGH MONDAY AFTERNOON. THIS STORM HAS THE POTENTIAL TO PRODUCE 6 TO 12 INCHES OF SNOW IN THE HIGHER VALLEYS AND MOUNTAINS. INCREASING WINDS COULD CAUSE LOCAL BLOWING SNOW ACROSS THE HIGHER TERRAIN AND IN OPEN OR EXPOSED LOCATIONS. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ010-231400- /O.CON.KMSO.WS.A.0021.071224T1200Z-071225T0000Z/ EASTERN LEMHI COUNTY- 417 AM MST SUN DEC 23 2007 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON FOR LOST TRAIL PASS... A WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON FOR LOST TRAIL PASS. A STORM SYSTEM ARRIVING ON MONDAY HAS THE POTENTIAL TO PRODUCE SNOW ACCUMULATIONS OF 6 TO 10 INCHES ABOVE 5000 FEET NEAR LOST TRAIL PASS AND 3 TO 6 INCHES ELSEWHERE. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ MTZ004-231400- /O.CON.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ LOWER CLARK FORK REGION- 417 AM MST SUN DEC 23 2007 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... A WINTER STORM WATCH ABOVE 3500 FEET REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON. A VIGOROUS WEATHER SYSTEM WILL MOVE INTO THE AREA THIS EVENING THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS AND LOOKOUT PASS...AND 3 TO 5 INCHES IN THE VALLEYS. INCREASING WINDS IN THE MOUNTAINS COULD CAUSE LOCAL BLOWING SNOW. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ MTZ006-231400- /O.CON.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 417 AM MST SUN DEC 23 2007 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON NEAR LOLO PASS AND LOST TRAIL PASS... A WINTER STORM WATCH NEAR LOLO PASS AND LOST TRAIL PASS REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON. A STRONG WINTER WEATHER SYSTEM WILL QUICKLY MOVE SOUTHEAST ACROSS THE BITTERROOT AND SAPPHIRE MOUNTAINS SUNDAY NIGHT THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS NEAR LOLO PASS AND LOST TRAIL PASS. ELSEWHERE...3 TO 5 INCHES ARE EXPECTED THROUGH MONDAY AFTERNOON. INCREASING WINDS IN THE MOUNTAINS COULD CAUSE LOCAL BLOWING SNOW...ESPECIALLY ACROSS OPEN OR EXPOSED LOCATIONS. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$
000 WWUS45 KMSO 231337 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 637 AM MST SUN DEC 23 2007 .A MOIST STORM IS EXPECTED LATE SUNDAY NIGHT THROUGH MONDAY. THIS SYSTEM WILL AGAIN FAVOR NORTH CENTRAL IDAHO AND FAR WESTERN MONTANA ALONG THE IDAHO BORDER SUNDAY NIGHT AND MONDAY MORNING BEFORE MOVING INTO SOUTHERN IDAHO AND FAR SOUTHWEST MONTANA ON CHRISTMAS EVE DAY. THE POTENTIAL EXISTS FOR HEAVY SNOW ACCUMULATIONS IN THE MOUNTAINS AND MODERATE ACCUMULATIONS IN THE HIGHER VALLEYS. MUCH OF NORTHWEST AND WEST CENTRAL MONTANA WILL ALSO SEE SNOW WITH THESE WEATHER SYSTEMS...BUT ACCUMULATIONS IN THESE AREAS ARE EXPECTED TO BE LIGHTER. IDZ006-232200- /O.EXP.KMSO.SN.Y.0044.000000T0000Z-071223T1400Z/ /O.CON.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ SOUTHERN CLEARWATER MOUNTAINS- 537 AM PST SUN DEC 23 2007 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... ...SNOW ADVISORY WILL EXPIRE AT 6 AM PST EARLY THIS MORNING ABOVE 3000 FEET... THE SNOW ADVISORY ABOVE 3000 FEET WILL EXPIRE AT 6 AM PST EARLY THIS MORNING. A WINTER STORM WATCH ABOVE 3500 FEET REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON. ANOTHER WEATHER SYSTEM WILL MOVE ACROSS THE AREA THIS EVENING THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS AND 3 TO 5 INCHES IN ALL BUT THE LOWEST VALLEYS. THIS STORM COULD SIGNIFICANTLY IMPACT TRAVEL ALONG THE HIGHWAY 12 CORRIDOR FROM NEAR POWELL TO LOLO PASS. FINALLY...INCREASING WINDS COULD CAUSE LOCAL BLOWING SNOW OVER THE PASS AND IN OPEN OR EXPOSED LOCATIONS. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ005-232200- /O.EXP.KMSO.SN.Y.0044.000000T0000Z-071223T1400Z/ /O.CON.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ NORTHERN CLEARWATER MOUNTAINS- 537 AM PST SUN DEC 23 2007 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... ...SNOW ADVISORY WILL EXPIRE AT 6 AM PST EARLY THIS MORNING ABOVE 3000 FEET... THE SNOW ADVISORY ABOVE 3000 FEET WILL EXPIRE AT 6 AM PST EARLY THIS MORNING. A WINTER STORM WATCH ABOVE 3500 FEET REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON. ANOTHER WEATHER SYSTEM WILL MOVE OVER THE AREA THIS EVENING THROUGH MONDAY AFTERNOON. THIS STORM HAS THE POTENTIAL TO PRODUCE 6 TO 12 INCHES OF SNOW IN THE HIGHER VALLEYS AND MOUNTAINS. INCREASING WINDS COULD CAUSE LOCAL BLOWING SNOW ACROSS THE HIGHER TERRAIN AND IN OPEN OR EXPOSED LOCATIONS. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ IDZ010-232200- /O.CON.KMSO.WS.A.0021.071224T1200Z-071225T0000Z/ EASTERN LEMHI COUNTY- 637 AM MST SUN DEC 23 2007 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON FOR LOST TRAIL PASS... A WINTER STORM WATCH REMAINS IN EFFECT FOR LOST TRAIL PASS FROM LATE TONIGHT THROUGH MONDAY AFTERNOON. A STORM SYSTEM ARRIVING ON MONDAY HAS THE POTENTIAL TO PRODUCE SNOW ACCUMULATIONS OF 6 TO 10 INCHES ABOVE 5000 FEET NEAR LOST TRAIL PASS AND 3 TO 6 INCHES ELSEWHERE. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ MTZ004-232200- /O.CON.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ LOWER CLARK FORK REGION- 637 AM MST SUN DEC 23 2007 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON ABOVE 3500 FEET... A WINTER STORM WATCH ABOVE 3500 FEET REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON. A VIGOROUS WEATHER SYSTEM WILL MOVE INTO THE AREA THIS EVENING THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS AND LOOKOUT PASS...AND 3 TO 5 INCHES IN THE VALLEYS. INCREASING WINDS IN THE MOUNTAINS COULD CAUSE LOCAL BLOWING SNOW. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$ MTZ006-232200- /O.CON.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 637 AM MST SUN DEC 23 2007 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON NEAR LOLO PASS AND LOST TRAIL PASS... A WINTER STORM WATCH NEAR LOLO PASS AND LOST TRAIL PASS REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON. A STRONG WINTER WEATHER SYSTEM WILL QUICKLY MOVE SOUTHEAST ACROSS THE BITTERROOT AND SAPPHIRE MOUNTAINS SUNDAY NIGHT THROUGH MONDAY AFTERNOON. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE 6 TO 10 INCHES OF SNOW IN THE MOUNTAINS NEAR LOLO PASS AND LOST TRAIL PASS. ELSEWHERE...3 TO 5 INCHES ARE EXPECTED THROUGH MONDAY AFTERNOON. INCREASING WINDS IN THE MOUNTAINS COULD CAUSE LOCAL BLOWING SNOW...ESPECIALLY ACROSS OPEN OR EXPOSED LOCATIONS. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. $$
000 WWUS45 KMSO 232053 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 153 PM MST SUN DEC 23 2007 .A MOIST WINTER WEATHER SYSTEM WILL MOVE ACROSS NORTH CENTRAL IDAHO AND WESTERN MONTANA TONIGHT THROUGH MONDAY AFTERNOON. MODERATE TO HEAVY SNOWFALL IS EXPECTED AS THE SYSTEM PASSES AND AS SNOW LEVELS GRADUALLY FALL TO THE LOWER ELEVATIONS BY EARLY MONDAY MORNING. MUCH OF NORTHWEST AND WEST CENTRAL MONTANA WILL ALSO SEE SNOW WITH THIS WEATHER SYSTEM...BUT ACCUMULATIONS IN THESE AREAS ARE EXPECTED TO BE LIGHTER. MTZ004-240500- /O.UPG.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ /O.NEW.KMSO.HS.W.0023.071224T0000Z-071224T1800Z/ LOWER CLARK FORK REGION- 153 PM MST SUN DEC 23 2007 ...HEAVY SNOW WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST MONDAY ABOVE 3500 FEET NEAR LOOKOUT PASS... ...WINTER STORM WATCH NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A HEAVY SNOW WARNING ABOVE 3500 FEET NEAR LOOKOUT PASS...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 6 TO 10 INCHES OF NEW SNOWFALL ACCUMULATIONS ARE EXPECTED ABOVE 3500 FEET NEAR LOOKOUT PASS BY 11 AM MONDAY. OTHER LOCATIONS CAN EXPECT TO SEE 2 TO 7 INCHES OF NEW SNOWFALL ACCUMULATIONS DURING THIS SAME TIME FRAME. A HEAVY SNOW WARNING FOR LOOKOUT PASS MEANS THAT SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED NEAR AND AT THE PASS. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. $$ MTZ006-240430- /O.UPG.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ /O.NEW.KMSO.SN.Y.0045.071224T0900Z-071224T2100Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 153 PM MST SUN DEC 23 2007 ...SNOW ADVISORY IN EFFECT FROM 2 AM TO 2 PM MST MONDAY... ...WINTER STORM WATCH NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 2 PM MST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 3 TO 7 INCHES OF NEW SNOWFALL ACCUMULATIONS ARE EXPECTED FROM LATE TONIGHT THROUGH MONDAY AFTERNOON. BOTH LOLO PASS AND LOST TRAIL PASS WILL BE IMPACTED BY THIS SYSTEM. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ005-006-240500- /O.UPG.KMSO.WS.A.0021.071224T0600Z-071225T0000Z/ /O.NEW.KMSO.SN.Y.0045.071224T0900Z-071224T2100Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 1253 PM PST SUN DEC 23 2007 ...SNOW ADVISORY IN EFFECT FROM 1 AM TO 1 PM PST MONDAY ABOVE 3500 FEET... ...WINTER STORM WATCH NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY ABOVE 3500 FEET...WHICH IS IN EFFECT FROM 1 AM TO 1 PM PST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 3 TO 7 INCHES OF NEW SNOWFALL ACCUMULATIONS ARE EXPECTED FROM LATE TONIGHT THROUGH MONDAY AFTERNOON. LOLO PASS AND OTHER LOCATIONS ABOVE 3500 FEET WILL BE IMPACTED BY THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ010-240500- /O.UPG.KMSO.WS.A.0021.071224T1200Z-071225T0000Z/ /O.NEW.KMSO.SN.Y.0045.071224T0900Z-071224T2100Z/ EASTERN LEMHI COUNTY- 153 PM MST SUN DEC 23 2007 ...SNOW ADVISORY IN EFFECT FROM 2 AM TO 2 PM MST MONDAY... ...WINTER STORM WATCH NO LONGER IN EFFECT... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 2 PM MST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 3 TO 7 INCHES OF NEW SNOWFALL ACCUMULATIONS ARE EXPECTED FROM LATE TONIGHT THROUGH MONDAY AFTERNOON. US HIGHWAY 93 FROM NORTH FORK TO LOST TRAIL PASS WILL BE THE AREA MOST IMPACTED BY THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IDZ009-240500- /O.NEW.KMSO.SN.Y.0045.071224T0900Z-071224T2100Z/ WESTERN LEMHI COUNTY- 153 PM MST SUN DEC 23 2007 ...SNOW ADVISORY IN EFFECT FROM 2 AM TO 2 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SNOW ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 2 PM MST MONDAY. 3 TO 7 INCHES OF NEW SNOWFALL ACCUMULATIONS ARE EXPECTED FROM LATE TONIGHT THROUGH MONDAY AFTERNOON. SALMON RIVER ROAD HEADING WEST TO SHOUP WILL BE AMONG THE AREAS IMPACTED BY THIS EVENT. A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL PRIMARILY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 22, 3:50 AM PST | Snow Advisory | MSO | Clearwater, Idaho | 26 hr |
Nearby
Winter Storm Watches in Montana, 2007Winter Storm Watches in Idaho, 2007Every winter storm watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.