Alert archive / Montana / Winter Storm Warnings in 2011
Winter Storm Warning 13, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Mar 21, 2011, 11:50 AM MDT for 4 counties in Montana. It took effect at Mar 21, 2011, 6:00 PM MDT. It was in force for 18 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 21, 2011, 11:50 AM MDT (17:50 UTC)
- In effect from
- Mar 21, 2011, 6:00 PM MDT
- Expired
- Mar 22, 2011, 11:59 AM MDT
- In force
- 18 hr
- Issued by
- NWS Missoula, MT
Counties Deer Lodge County, MT, Granite County, MT, Powell County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 110 km from the middle of the area, began a volume at 17:55 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 22, 9:00 AM MDT | HEAVY SNOW 10 | Georgetown, MT | 24 HOUR SNOWFALL TOTAL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Great_falls, MT (KTFX), launched 12:00Z, 5.8 hours before the alert went out and 225 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
- 937 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 138 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
623 WWUS45 KMSO 211750 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1150 AM MDT MON MAR 21 2011 MTZ007-220500- /O.UPG.KMSO.WW.Y.0033.110322T0000Z-110322T1800Z/ /O.NEW.KMSO.WS.W.0013.110322T0000Z-110322T1800Z/ BUTTE/BLACKFOOT REGION- 1150 AM MDT MON MAR 21 2011 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * IMPACTS/TIMING: SNOW WILL BECOME HEAVY AT TIMES TONIGHT THROUGH TUESDAY MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT. * SNOW ACCUMULATIONS: 6 TO 12 INCHES BY NOONTIME TUESDAY. 3 TO 6 INCHES CAN BE EXPECTED AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MTZ004-220500- /O.EXT.KMSO.WW.Y.0033.110321T1800Z-110322T1500Z/ LOWER CLARK FORK REGION- 1150 AM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM MDT TUESDAY ABOVE 4000 FEET FOR... THE WINTER WEATHER ADVISORY ABOVE 4000 FEET IS NOW IN EFFECT UNTIL 9 AM MDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT INTO TUESDAY MORNING. THERE WILL BE BREAKS IN SNOWFALL THROUGHOUT THE AFTERNOON...BUT WILL ONCE AGAIN INCREASE IN INTENSITY BY THIS EVENING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOOKOUT PASS. * SNOW ACCUMULATIONS: 5 TO 8 INCHES ABOVE 4000 FEET...INCLUDING LOOKOUT PASS...EVARO HILL...AND THE SALTESE AREA BY TUESDAY MORNING. ELSEWHERE 1 TO 2 INCHES CAN BE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ010-220500- /O.EXT.KMSO.WW.Y.0033.000000T0000Z-110322T1800Z/ EASTERN LEMHI COUNTY- 1150 AM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL NOON MDT TUESDAY ABOVE 4500 FEET... THE WINTER WEATHER ADVISORY ABOVE 4500 FEET IS NOW IN EFFECT UNTIL NOON MDT TUESDAY. * IMPACTS/TIMING: LIGHT TO MODERATE SNOWFALL WILL EXPAND ACROSS EASTERN LEMHI COUNTY LATE TODAY AND CONTINUE OVERNIGHT. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOST TRAIL PASS. * SNOW ACCUMULATIONS: 2 TO 5 INCHES BY TUESDAY MORNING...WITH UP TO 8 INCHES OVER LOST TRAIL PASS. * LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE... LEMHI PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ002-043-220500- /O.CON.KMSO.WW.Y.0033.110322T0000Z-110323T0000Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 1150 AM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT THROUGH TUESDAY. ACCUMULATING SNOW WILL MAKE TRAVEL ON ROADWAYS DIFFICULT...ESPECIALLY OVER MARIAS PASS. * SNOW ACCUMULATIONS: 4 TO 7 INCHES BY TUESDAY EVENING. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH. && $$ IDZ005-006-220500- /O.CON.KMSO.WW.Y.0033.110322T0000Z-110322T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 1050 AM PDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM PDT TUESDAY ABOVE 3000 FEET... A WINTER WEATHER ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM PDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT THROUGH TUESDAY MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOLO PASS. * SNOW ACCUMULATIONS: 4 TO 8 INCHES BY NOONTIME TUESDAY. 1 TO 3 INCHES POSSIBLE AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS && $$ MTZ006-220500- /O.CON.KMSO.WW.Y.0033.110322T0000Z-110322T1800Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 1150 AM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY ABOVE 4000 FEET... A WINTER WEATHER ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT THROUGH TUESDAY MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOLO PASS AND LOST TRAIL PASS. * SNOW ACCUMULATIONS: 4 TO 8 INCHES BY NOONTIME TUESDAY ABOVE 4000 FEET. 1 TO 2 INCHES CAN BE EXPECTED AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...LOLO PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS && $$
7 follow-up statements
016 WWUS45 KMSO 211846 CCA WSWMSO URGENT - WINTER WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE MISSOULA MT 1244 PM MDT MON MAR 21 2011 MTZ007-220600- /O.UPG.KMSO.WW.Y.0033.110322T0000Z-110322T1800Z/ /O.COR.KMSO.WS.W.0013.110322T0000Z-110322T1800Z/ BUTTE/BLACKFOOT REGION- 1244 PM MDT MON MAR 21 2011 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * IMPACTS/TIMING: SNOW WILL BECOME HEAVY AT TIMES TONIGHT THROUGH TUESDAY MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT. * SNOW ACCUMULATIONS: 6 TO 12 INCHES BY NOON TUESDAY. 3 TO 6 INCHES CAN BE EXPECTED AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD PASS...HOMESTAKE PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MTZ004-220600- /O.EXT.KMSO.WW.Y.0033.110321T1800Z-110322T1500Z/ LOWER CLARK FORK REGION- 1244 PM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM MDT TUESDAY ABOVE 4000 FEET FOR... THE WINTER WEATHER ADVISORY ABOVE 4000 FEET IS NOW IN EFFECT UNTIL 9 AM MDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT INTO TUESDAY MORNING. THERE WILL BE BREAKS IN SNOWFALL THROUGHOUT THE AFTERNOON...BUT WILL ONCE AGAIN INCREASE IN INTENSITY BY THIS EVENING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOOKOUT PASS. * SNOW ACCUMULATIONS: 5 TO 8 INCHES ABOVE 4000 FEET...INCLUDING LOOKOUT PASS...EVARO HILL...AND THE SALTESE AREA BY TUESDAY MORNING. ELSEWHERE 1 TO 2 INCHES CAN BE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ010-220600- /O.EXT.KMSO.WW.Y.0033.000000T0000Z-110322T1800Z/ EASTERN LEMHI COUNTY- 1244 PM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL NOON MDT TUESDAY ABOVE 4500 FEET... THE WINTER WEATHER ADVISORY ABOVE 4500 FEET IS NOW IN EFFECT UNTIL NOON MDT TUESDAY. * IMPACTS/TIMING: LIGHT TO MODERATE SNOWFALL WILL EXPAND ACROSS EASTERN LEMHI COUNTY LATE TODAY AND CONTINUE OVERNIGHT. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOST TRAIL PASS. * SNOW ACCUMULATIONS: 2 TO 5 INCHES BY TUESDAY MORNING...WITH UP TO 8 INCHES OVER LOST TRAIL PASS. * LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE... LEMHI PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ002-043-220600- /O.CON.KMSO.WW.Y.0033.110322T0000Z-110323T0000Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 1244 PM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT THROUGH TUESDAY. ACCUMULATING SNOW WILL MAKE TRAVEL ON ROADWAYS DIFFICULT...ESPECIALLY OVER MARIAS PASS. * SNOW ACCUMULATIONS: 4 TO 7 INCHES BY TUESDAY EVENING. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH. && $$ IDZ005-006-220600- /O.CON.KMSO.WW.Y.0033.110322T0000Z-110322T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 1144 AM PDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM PDT TUESDAY ABOVE 3000 FEET... A WINTER WEATHER ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM PDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT THROUGH TUESDAY MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOLO PASS. * SNOW ACCUMULATIONS: 4 TO 8 INCHES BY NOONTIME TUESDAY. 1 TO 3 INCHES POSSIBLE AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS && $$ MTZ006-220600- /O.CON.KMSO.WW.Y.0033.110322T0000Z-110322T1800Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 1244 PM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY ABOVE 4000 FEET... A WINTER WEATHER ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT THROUGH TUESDAY MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOLO PASS AND LOST TRAIL PASS. * SNOW ACCUMULATIONS: 4 TO 8 INCHES BY NOONTIME TUESDAY ABOVE 4000 FEET. 1 TO 2 INCHES CAN BE EXPECTED AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...LOLO PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS && $$
054 WWUS45 KMSO 211852 WSWMSO URGENT - WINTER WEATHER MESSAGE...RESENT NATIONAL WEATHER SERVICE MISSOULA MT 1251 PM MDT MON MAR 21 2011 MTZ007-220615- /O.UPG.KMSO.WW.Y.0033.110322T0000Z-110322T1800Z/ /O.COR.KMSO.WS.W.0013.110322T0000Z-110322T1800Z/ BUTTE/BLACKFOOT REGION- 1251 PM MDT MON MAR 21 2011 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * IMPACTS/TIMING: SNOW WILL BECOME HEAVY AT TIMES TONIGHT THROUGH TUESDAY MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT. * SNOW ACCUMULATIONS: 6 TO 12 INCHES BY NOON TUESDAY. 3 TO 6 INCHES CAN BE EXPECTED AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD PASS...HOMESTAKE PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MTZ004-220615- /O.EXT.KMSO.WW.Y.0033.110321T1800Z-110322T1500Z/ LOWER CLARK FORK REGION- 1251 PM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM MDT TUESDAY ABOVE 4000 FEET FOR... THE WINTER WEATHER ADVISORY ABOVE 4000 FEET IS NOW IN EFFECT UNTIL 9 AM MDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT INTO TUESDAY MORNING. THERE WILL BE BREAKS IN SNOWFALL THROUGHOUT THE AFTERNOON...BUT WILL ONCE AGAIN INCREASE IN INTENSITY BY THIS EVENING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOOKOUT PASS. * SNOW ACCUMULATIONS: 5 TO 8 INCHES ABOVE 4000 FEET...INCLUDING LOOKOUT PASS...EVARO HILL...AND THE SALTESE AREA BY TUESDAY MORNING. ELSEWHERE 1 TO 2 INCHES CAN BE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ010-220615- /O.EXT.KMSO.WW.Y.0033.000000T0000Z-110322T1800Z/ EASTERN LEMHI COUNTY- 1251 PM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL NOON MDT TUESDAY ABOVE 4500 FEET... THE WINTER WEATHER ADVISORY ABOVE 4500 FEET IS NOW IN EFFECT UNTIL NOON MDT TUESDAY. * IMPACTS/TIMING: LIGHT TO MODERATE SNOWFALL WILL EXPAND ACROSS EASTERN LEMHI COUNTY LATE TODAY AND CONTINUE OVERNIGHT. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOST TRAIL PASS. * SNOW ACCUMULATIONS: 2 TO 5 INCHES BY TUESDAY MORNING...WITH UP TO 8 INCHES OVER LOST TRAIL PASS. * LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE... LEMHI PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ002-043-220615- /O.CON.KMSO.WW.Y.0033.110322T0000Z-110323T0000Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 1251 PM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT THROUGH TUESDAY. ACCUMULATING SNOW WILL MAKE TRAVEL ON ROADWAYS DIFFICULT...ESPECIALLY OVER MARIAS PASS. * SNOW ACCUMULATIONS: 4 TO 7 INCHES BY TUESDAY EVENING. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH. && $$ IDZ005-006-220615- /O.CON.KMSO.WW.Y.0033.110322T0000Z-110322T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 1151 AM PDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM PDT TUESDAY ABOVE 3000 FEET... A WINTER WEATHER ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM PDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT THROUGH TUESDAY MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOLO PASS. * SNOW ACCUMULATIONS: 4 TO 8 INCHES BY NOONTIME TUESDAY. 1 TO 3 INCHES POSSIBLE AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS && $$ MTZ006-220615- /O.CON.KMSO.WW.Y.0033.110322T0000Z-110322T1800Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 1251 PM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY ABOVE 4000 FEET... A WINTER WEATHER ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT THROUGH TUESDAY MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOLO PASS AND LOST TRAIL PASS. * SNOW ACCUMULATIONS: 4 TO 8 INCHES BY NOONTIME TUESDAY ABOVE 4000 FEET. 1 TO 2 INCHES CAN BE EXPECTED AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...LOLO PASS...HIGHWAY 93 SULA TO LOST TRAIL PASS && $$
677 WWUS45 KMSO 211855 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1255 PM MDT MON MAR 21 2011 MTZ007-220500- /O.CON.KMSO.WS.W.0013.110322T0000Z-110322T1800Z/ BUTTE/BLACKFOOT REGION- 1255 PM MDT MON MAR 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY. * IMPACTS/TIMING: SNOW WILL BECOME HEAVY AT TIMES TONIGHT THROUGH TUESDAY MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT. * SNOW ACCUMULATIONS: 6 TO 12 INCHES BY NOON TUESDAY. 3 TO 6 INCHES CAN BE EXPECTED AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD PASS...HOMESTAKE PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. && $$ MTZ002-043-220500- /O.CON.KMSO.WW.Y.0033.110322T0000Z-110323T0000Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 1255 PM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT THROUGH TUESDAY. ACCUMULATING SNOW WILL MAKE TRAVEL ON ROADWAYS DIFFICULT...ESPECIALLY OVER MARIAS PASS. * SNOW ACCUMULATIONS: 4 TO 7 INCHES BY TUESDAY EVENING. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I- 90 EAST MISSOULA TO BEARMOUTH $$ IDZ005-006-220500- /O.CON.KMSO.WW.Y.0033.110322T0000Z-110322T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 1155 AM PDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM PDT TUESDAY ABOVE 3000 FEET... A WINTER WEATHER ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM PDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT THROUGH TUESDAY MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOLO PASS. * SNOW ACCUMULATIONS: 4 TO 8 INCHES BY NOONTIME TUESDAY. 1 TO 3 INCHES POSSIBLE AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS $$ MTZ004-220500- /O.CON.KMSO.WW.Y.0033.000000T0000Z-110322T1500Z/ LOWER CLARK FORK REGION- 1255 PM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT TUESDAY ABOVE 4000 FEET FOR...EVARO HILL... A WINTER WEATHER ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 9 AM MDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT INTO TUESDAY MORNING. THERE WILL BE BREAKS IN SNOWFALL THROUGHOUT THE AFTERNOON...BUT WILL ONCE AGAIN INCREASE IN INTENSITY BY THIS EVENING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOOKOUT PASS. * SNOW ACCUMULATIONS: 5 TO 8 INCHES ABOVE 4000 FEET...INCLUDING LOOKOUT PASS...EVARO HILL...AND THE SALTESE AREA BY TUESDAY MORNING. ELSEWHERE 1 TO 2 INCHES CAN BE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ006-220500- /O.CON.KMSO.WW.Y.0033.110322T0000Z-110322T1800Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 1255 PM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY ABOVE 4000 FEET... A WINTER WEATHER ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT THROUGH TUESDAY MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOLO PASS AND LOST TRAIL PASS. * SNOW ACCUMULATIONS: 4 TO 8 INCHES BY NOONTIME TUESDAY ABOVE 4000 FEET. 1 TO 2 INCHES CAN BE EXPECTED AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS $$ IDZ010-220500- /O.CON.KMSO.WW.Y.0033.000000T0000Z-110322T1800Z/ EASTERN LEMHI COUNTY- 1255 PM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TUESDAY ABOVE 4500 FEET... A WINTER WEATHER ADVISORY ABOVE 4500 FEET REMAINS IN EFFECT UNTIL NOON MDT TUESDAY. * IMPACTS/TIMING: LIGHT TO MODERATE SNOWFALL WILL EXPAND ACROSS EASTERN LEMHI COUNTY LATE TODAY AND CONTINUE OVERNIGHT. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT... ESPECIALLY OVER LOST TRAIL PASS. * SNOW ACCUMULATIONS: 2 TO 5 INCHES BY TUESDAY MORNING...WITH UP TO 8 INCHES OVER LOST TRAIL PASS. * LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE... LEMHI PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
914 WWUS45 KMSO 220215 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 815 PM MDT MON MAR 21 2011 MTZ007-221200- /O.CON.KMSO.WS.W.0013.000000T0000Z-110322T1800Z/ BUTTE/BLACKFOOT REGION- 815 PM MDT MON MAR 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TUESDAY. * IMPACTS/TIMING: SNOW WILL BECOME HEAVY AT TIMES TONIGHT THROUGH TUESDAY MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT. * SNOW ACCUMULATIONS: 6 TO 12 INCHES BY NOON TUESDAY. 3 TO 6 INCHES CAN BE EXPECTED AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. && $$ IDZ007-008-221200- /O.EXA.KMSO.WW.Y.0033.000000T0000Z-110322T1800Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 715 PM PDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM PDT TUESDAY ABOVE 3000 FEET... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW ABOVE 3000 FEET...WHICH IS IN EFFECT UNTIL 11 AM PDT TUESDAY. * IMPACTS/TIMING: MODERATE SNOW WILL BE PRESENT AT TIMES TONIGHT THROUGH TUESDAY MORNING ACROSS THE CAMAS PRAIRIE AND WHITEBIRD GRADE. HAZARDOUS TRAVEL CONDITIONS ARE ANTICIPATED DURING THIS TIME. * SNOW ACCUMULATIONS: 4 TO 8 INCHES OVER WHITEBIRD GRADE. 2 TO 5 INCHES ACROSS CAMAS PRAIRIE AND ELSEWHERE ABOVE 3000 FEET. * LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...WHITE BIRD GRADE $$ MTZ002-043-221200- /O.CON.KMSO.WW.Y.0033.000000T0000Z-110323T0000Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 815 PM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT THROUGH TUESDAY. ACCUMULATING SNOW WILL MAKE TRAVEL ON ROADWAYS DIFFICULT...ESPECIALLY OVER MARIAS PASS. * SNOW ACCUMULATIONS: 4 TO 7 INCHES BY TUESDAY EVENING. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I- 90 EAST MISSOULA TO BEARMOUTH $$ IDZ005-006-221200- /O.CON.KMSO.WW.Y.0033.000000T0000Z-110322T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 715 PM PDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT TUESDAY ABOVE 3000 FEET... A WINTER WEATHER ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 11 AM PDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT THROUGH TUESDAY MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOLO PASS. * SNOW ACCUMULATIONS: 4 TO 8 INCHES BY NOONTIME TUESDAY. 1 TO 3 INCHES POSSIBLE AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS $$ MTZ004-221200- /O.CON.KMSO.WW.Y.0033.000000T0000Z-110322T1500Z/ LOWER CLARK FORK REGION- 815 PM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT TUESDAY ABOVE 4000 FEET FOR...EVARO HILL... A WINTER WEATHER ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 9 AM MDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT INTO TUESDAY MORNING. THERE WILL BE BREAKS IN SNOWFALL THROUGHOUT THE AFTERNOON...BUT WILL ONCE AGAIN INCREASE IN INTENSITY BY THIS EVENING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOOKOUT PASS. * SNOW ACCUMULATIONS: 5 TO 8 INCHES ABOVE 4000 FEET...INCLUDING LOOKOUT PASS...EVARO HILL...AND THE SALTESE AREA BY TUESDAY MORNING. ELSEWHERE 1 TO 2 INCHES CAN BE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ006-221200- /O.CON.KMSO.WW.Y.0033.000000T0000Z-110322T1800Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 815 PM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TUESDAY ABOVE 4000 FEET... A WINTER WEATHER ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT UNTIL NOON MDT TUESDAY. * IMPACTS/TIMING: LIGHT SNOW WILL BECOME MODERATE AT TIMES TONIGHT THROUGH TUESDAY MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOLO PASS AND LOST TRAIL PASS. * SNOW ACCUMULATIONS: 4 TO 8 INCHES BY NOONTIME TUESDAY ABOVE 4000 FEET. 1 TO 2 INCHES CAN BE EXPECTED AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS $$ IDZ010-221200- /O.CON.KMSO.WW.Y.0033.000000T0000Z-110322T1800Z/ EASTERN LEMHI COUNTY- 815 PM MDT MON MAR 21 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TUESDAY ABOVE 4500 FEET... A WINTER WEATHER ADVISORY ABOVE 4500 FEET REMAINS IN EFFECT UNTIL NOON MDT TUESDAY. * IMPACTS/TIMING: LIGHT TO MODERATE SNOWFALL WILL EXPAND ACROSS EASTERN LEMHI COUNTY LATE TODAY AND CONTINUE OVERNIGHT. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT... ESPECIALLY OVER LOST TRAIL PASS. * SNOW ACCUMULATIONS: 2 TO 5 INCHES BY TUESDAY MORNING...WITH UP TO 8 INCHES OVER LOST TRAIL PASS. * LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE... LEMHI PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
310 WWUS45 KMSO 220916 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 316 AM MDT TUE MAR 22 2011 MTZ007-221800- /O.CON.KMSO.WS.W.0013.000000T0000Z-110322T1800Z/ BUTTE/BLACKFOOT REGION- 316 AM MDT TUE MAR 22 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY. * IMPACTS/TIMING: SNOW WILL BE HEAVY AT TIMES THIS MORNING...THEN DECREASING IN INTENSITY. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT. * TOTAL STORM SNOW ACCUMULATIONS: 5 TO 9 INCHES OVER THE GEORGETOWN LAKE AND HOMESTAKE PASS BY NOON TODAY. 1 TO 4 INCHES CAN BE EXPECTED AT LOWER ELEVATIONS BELOW 5500 FEET. * LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. && $$ MTZ002-043-221800- /O.CON.KMSO.WW.Y.0033.000000T0000Z-110323T0000Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 316 AM MDT TUE MAR 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. * IMPACTS/TIMING: LIGHT SNOW...MODERATE AT TIMES CAN BE EXPECTED THROUGH THE REMAINDER OF TODAY. ACCUMULATING SNOW WILL MAKE TRAVEL ON ROADWAYS DIFFICULT...ESPECIALLY OVER MARIAS PASS. * TOTAL STORM SNOW ACCUMULATIONS: 4 TO 7 INCHES BY THIS EVENING. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH $$ IDZ005-006-221800- /O.CON.KMSO.WW.Y.0033.000000T0000Z-110322T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 216 AM PDT TUE MAR 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING ABOVE 3000 FEET... A WINTER WEATHER ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING. * IMPACTS/TIMING: LIGHT SNOW...MODERATE AT TIMES CAN BE EXPECTED THROUGH THE REMAINDER OF THIS MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOLO PASS. * TOTAL STORM SNOW ACCUMULATIONS: 4 TO 8 INCHES BY NOONTIME TODAY. 1 TO 3 INCHES POSSIBLE AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS $$ IDZ007-008-221800- /O.CON.KMSO.WW.Y.0033.000000T0000Z-110322T1800Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 216 AM PDT TUE MAR 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING ABOVE 3000 FEET... A WINTER WEATHER ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING. * IMPACTS/TIMING: LIGHT SNOW...MODERATE AT TIMES CAN BE EXPECTED THIS MORNING ACROSS THE CAMAS PRAIRIE AND WHITEBIRD GRADE. ACCUMULATING SNOW WILL CREATE DIFFICULT TRAVEL CONDITIONS THIS MORNING. * TOTAL SNOW ACCUMULATIONS: 4 TO 8 INCHES OVER WHITEBIRD GRADE BY NOONTIME TODAY. 2 TO 4 INCHES ACROSS CAMAS PRAIRIE AND ELSEWHERE ABOVE 3000 FEET. * LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...WHITE BIRD GRADE $$ MTZ004-221500- /O.CON.KMSO.WW.Y.0033.000000T0000Z-110322T1500Z/ LOWER CLARK FORK REGION- 316 AM MDT TUE MAR 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING ABOVE 4000 FEET FOR...EVARO HILL... A WINTER WEATHER ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING. * IMPACTS/TIMING: STEADY LIGHT TO MODERATE SNOW WILL BECOME MORE SHOWERY LATER THIS MORNING. THERE WILL BE BREAKS IN SNOWFALL AS SHOWERS MOVE IN AND OUT OF THE AREA THIS AFTERNOON. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOOKOUT PASS. * TOTAL SNOW ACCUMULATIONS: 5 TO 8 INCHES ABOVE 4000 FEET... INCLUDING LOOKOUT PASS...EVARO HILL...AND THE SALTESE AREA BY LATE THIS MORNING. ELSEWHERE 1 TO 2 INCHES CAN BE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MTZ006-221800- /O.CON.KMSO.WW.Y.0033.000000T0000Z-110322T1800Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 316 AM MDT TUE MAR 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY ABOVE 4000 FEET... A WINTER WEATHER ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT UNTIL NOON MDT TODAY. * IMPACTS/TIMING: SNOW...MODERATE AT TIMES CAN BE EXPECTED THROUGH THE REMAINDER OF THIS MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOLO PASS AND LOST TRAIL PASS. * STORM TOTAL SNOW ACCUMULATIONS: 4 TO 8 INCHES BY NOONTIME TODAY ABOVE 4000 FEET. 1 TO 2 INCHES CAN BE EXPECTED AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS $$ IDZ010-221800- /O.CON.KMSO.WW.Y.0033.000000T0000Z-110322T1800Z/ EASTERN LEMHI COUNTY- 316 AM MDT TUE MAR 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY ABOVE 4500 FEET... A WINTER WEATHER ADVISORY ABOVE 4500 FEET REMAINS IN EFFECT UNTIL NOON MDT TODAY. * IMPACTS/TIMING: LIGHT TO MODERATE SNOWFALL CAN BE EXPECTED OVER THE HIGHER ELEVATIONS THROUGH THE REMAINDER OF THIS MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT... ESPECIALLY OVER LOST TRAIL AND BANNOCK PASS. * TOTAL SNOW ACCUMULATIONS: 2 TO 5 INCHES ABOVE 4500 FEET BY NOONTIME TODAY...WITH UP TO 8 INCHES OVER LOST TRAIL PASS. 1 TO 2 INCHES ARE POSSIBLE AT THE LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE... LEMHI PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
121 WWUS45 KMSO 221445 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 845 AM MDT TUE MAR 22 2011 MTZ004-221545- /O.EXP.KMSO.WW.Y.0033.000000T0000Z-110322T1500Z/ LOWER CLARK FORK REGION- 845 AM MDT TUE MAR 22 2011 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 9 AM MDT THIS MORNING ABOVE 4000 FEET FOR...LOOKOUT PASS... THE WINTER WEATHER ADVISORY ABOVE 4000 FEET WILL EXPIRE AT 9 AM MDT THIS MORNING. * IMPACTS/TIMING: SLUSH AND SNOW COVERED ROADS WITH LOCAL ICY PATCHES WILL CONTINUE TO EXIST ALONG I-90 OVER LOOKOUT PASS UNTIL THIS AFTERNOON. * SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS OF 1 TO 2 INCHES ARE POSSIBLE THROUGH THIS AFTERNOON. $$ MTZ007-221800- /O.CON.KMSO.WS.W.0013.000000T0000Z-110322T1800Z/ BUTTE/BLACKFOOT REGION- 845 AM MDT TUE MAR 22 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY. * IMPACTS/TIMING: SNOW WILL BE HEAVY AT TIMES THIS MORNING... THEN DECREASING IN INTENSITY. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT. * TOTAL STORM SNOW ACCUMULATIONS: 5 TO 9 INCHES OVER THE GEORGETOWN LAKE AND HOMESTAKE PASS BY NOON TODAY. 1 TO 4 INCHES CAN BE EXPECTED AT LOWER ELEVATIONS BELOW ABOUT 5500 FEET. * LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. && $$ MTZ002-043-222100- /O.CON.KMSO.WW.Y.0033.000000T0000Z-110323T0000Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 845 AM MDT TUE MAR 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. * IMPACTS/TIMING: LIGHT SNOW...MODERATE AT TIMES CAN BE EXPECTED THROUGH THE REMAINDER OF TODAY. ACCUMULATING SNOW WILL MAKE TRAVEL ON ROADWAYS DIFFICULT...ESPECIALLY OVER MARIAS PASS. * TOTAL STORM SNOW ACCUMULATIONS: 4 TO 7 INCHES BY THIS EVENING. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I- 90 EAST MISSOULA TO BEARMOUTH $$ IDZ005-006-221800- /O.CON.KMSO.WW.Y.0033.000000T0000Z-110322T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- 745 AM PDT TUE MAR 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING ABOVE 3000 FEET... A WINTER WEATHER ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING. * IMPACTS/TIMING: LIGHT SNOW...MODERATE AT TIMES CAN BE EXPECTED THROUGH THE REMAINDER OF THIS MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOLO PASS. * TOTAL STORM SNOW ACCUMULATIONS: 4 TO 8 INCHES BY NOONTIME TODAY. 1 TO 3 INCHES POSSIBLE AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS $$ IDZ007-008-221800- /O.CON.KMSO.WW.Y.0033.000000T0000Z-110322T1800Z/ OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- 745 AM PDT TUE MAR 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING ABOVE 3000 FEET... A WINTER WEATHER ADVISORY ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING. * IMPACTS/TIMING: LIGHT SNOW...MODERATE AT TIMES CAN BE EXPECTED THIS MORNING ACROSS THE CAMAS PRAIRIE AND WHITEBIRD GRADE. ACCUMULATING SNOW WILL CREATE DIFFICULT TRAVEL CONDITIONS THIS MORNING. * TOTAL SNOW ACCUMULATIONS: 4 TO 8 INCHES OVER WHITEBIRD GRADE BY NOONTIME TODAY. 2 TO 4 INCHES ACROSS CAMAS PRAIRIE AND ELSEWHERE ABOVE 3000 FEET. * LOCATIONS IMPACTED INCLUDE...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY...WHITE BIRD GRADE $$ MTZ006-221800- /O.CON.KMSO.WW.Y.0033.000000T0000Z-110322T1800Z/ BITTERROOT/SAPPHIRE MOUNTAINS- 845 AM MDT TUE MAR 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY ABOVE 4000 FEET... A WINTER WEATHER ADVISORY ABOVE 4000 FEET REMAINS IN EFFECT UNTIL NOON MDT TODAY. * IMPACTS/TIMING: SNOW...MODERATE AT TIMES CAN BE EXPECTED THROUGH THE REMAINDER OF THIS MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT...ESPECIALLY OVER LOLO PASS AND LOST TRAIL PASS. * STORM TOTAL SNOW ACCUMULATIONS: 4 TO 8 INCHES BY NOONTIME TODAY ABOVE 4000 FEET. 1 TO 2 INCHES CAN BE EXPECTED AT LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS $$ IDZ010-221800- /O.CON.KMSO.WW.Y.0033.000000T0000Z-110322T1800Z/ EASTERN LEMHI COUNTY- 845 AM MDT TUE MAR 22 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY ABOVE 4500 FEET... A WINTER WEATHER ADVISORY ABOVE 4500 FEET REMAINS IN EFFECT UNTIL NOON MDT TODAY. * IMPACTS/TIMING: LIGHT TO MODERATE SNOWFALL CAN BE EXPECTED OVER THE HIGHER ELEVATIONS THROUGH THE REMAINDER OF THIS MORNING. ACCUMULATING SNOW WILL MAKE TRAVEL OVER ROADWAYS DIFFICULT... ESPECIALLY OVER LOST TRAIL AND BANNOCK PASS. * TOTAL SNOW ACCUMULATIONS: 2 TO 5 INCHES ABOVE 4500 FEET BY NOONTIME TODAY...WITH UP TO 8 INCHES OVER LOST TRAIL PASS. 1 TO 2 INCHES ARE POSSIBLE AT THE LOWER ELEVATIONS. * LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY TO LONE PINE...HIGHWAY 93 LOST TRAIL PASS TO GIBBONSVILLE... LEMHI PASS PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...BLOWING SNOW...OR ICE ACCUMULATIONS WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
468 WWUS45 KMSO 221759 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1159 AM MDT TUE MAR 22 2011 MTZ007-221900- /O.CAN.KMSO.WS.W.0013.000000T0000Z-110322T1800Z/ BUTTE/BLACKFOOT REGION- 1159 AM MDT TUE MAR 22 2011 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. LIGHT SNOW ACCUMULATIONS WILL CONTINUE THIS AFTERNOON ABOVE 6000 FEET. HIGHER ELEVATION ROADS WILL REMAIN SNOW PACKED AND ICY THROUGH TONIGHT. $$ IDZ005>008-010-MTZ006-221900- /O.CAN.KMSO.WW.Y.0033.000000T0000Z-110322T1800Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- EASTERN LEMHI COUNTY-BITTERROOT/SAPPHIRE MOUNTAINS- 1159 AM MDT TUE MAR 22 2011 /1059 AM PDT TUE MAR 22 2011/ ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. LIGHT SNOW ACCUMULATIONS WILL CONTINUE THIS AFTERNOON AT HIGHER ELEVATIONS. ROADS WILL REMAIN SNOW PACKED AND ICY THROUGH TONIGHT...OVER THE PASSES. $$ MTZ002-043-221900- /O.CAN.KMSO.WW.Y.0033.000000T0000Z-110323T0000Z/ WEST GLACIER REGION-POTOMAC/SEELEY LAKE REGION- 1159 AM MDT TUE MAR 22 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. LIGHT SNOW ACCUMULATIONS WILL CONTINUE THIS AFTERNOON. ROADS WILL REMAIN LOCALLY SNOW PACKED AND WITH ICY PATCHES THROUGH TONIGHT. $$ GIBSON
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 3:14 AM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 33 hr |
Nearby
Winter Storm Warnings in Montana, 2011Every winter storm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.