Alert archive / Montana / Blizzard Warnings in 2017
Blizzard Warning 1, NWS Missoula, MT
NWS Missoula, MT issued this blizzard warning at Feb 5, 2017, 2:45 PM MST for Flathead County, Lake County, Montana. It took effect at Feb 5, 2017, 11:00 PM MST. It was in force for 12 hr. 10 reports 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
- Feb 5, 2017, 2:45 PM MST (21:45 UTC)
- In effect from
- Feb 5, 2017, 11:00 PM MST
- Expired
- Feb 6, 2017, 11:00 AM MST
- In force
- 12 hr
- Issued by
- NWS Missoula, MT
Counties Flathead County, MT, Lake County, MT
The radar
The Missoula radar (KMSX), 104 km from the middle of the area, began a volume at 21:46 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 |
|---|---|---|---|
| Feb 6, 5:00 AM MST | SNOW 19 | La Salle, MT | TOTAL STORM SNOWFALL SINCE FEB 3 AT THE GLACIER INT. AIRPORT. WINDS HAVE BEEN GUSTING BETWEEN 30 AND 44 MPH SINCE MIDNIGHT CREATING BLOWING AND DRIFTING SNOW. |
| Feb 6, 5:17 AM MST | HEAVY SNOW 18 | 2 N Bigfork, MT | 12HR STORM TOTAL OF 18 INCHES. |
| Feb 6, 6:23 AM MST | BLIZZARD | 3 Nw Nyack, MT | US-2 CLOSED AT MILE 153 W. GLACIER, LOCAL TRAFFIC ONLY . ROAD IS DRIFTED IN AT MILE 180, EQUIPMENT NEEDS TO BE RETRIEVED TO CLEAR HEAVY SNOW, HIGH WINDS IN AREA. A BLIZZARD WARNING UNTIL 11AM. |
| Feb 6, 7:49 AM MST | SNOW 5 | 5 S Lupfer, MT | . |
| Feb 6, 8:00 AM MST | HEAVY SNOW 8.6 | 1 Ese Whitefish, MT | 0.84 OF LIQUID EQUIVALENT. CHANGED TO FREEZING RAIN AROUND 130 PM ON THE 5TH. CHANGED BACK TO SNOW IN THE EVENING. THE DURATION OF THE HEAVY SNOW EVENT WAS 48 HOURS. |
| Feb 6, 8:03 AM MST | HEAVY SNOW 31 | Olney, MT | SINCE FRIDAY MORNING, FEB. 3. 16.5 INCHES IN THE LAST 24 HOURS. CURRENTLY MODERATE SNOW WITH LESS THAN ONE QUARTER MILE VISIBILITY. |
| Feb 6, 9:20 AM MST | HEAVY SNOW 36 | Martin City, MT | FACEBOOK REPORT WITH PHOTOS. |
| Feb 6, 9:30 AM MST | HEAVY SNOW 11 | Hungry Horse, MT | 6 INCHES FELL OVERNIGHT. |
| Feb 6, 10:00 AM MST | HEAVY SNOW 36 | 1 Nne Polebridge, MT | ESTIMATED ABOUT 5 FEET ON THE GROUND. |
| Feb 6, 10:00 AM MST | BLIZZARD | 1 Ese West Glacier, MT | A VERY LARGE DRIFT, 10 FEET HIGH, WAS ACROSS THE ROAD JUST EAST OF WEST GLACIER ON US-2. THE ROAD WAS CLOSED AT THE TIME OF THIS REPORT. SNOW AMOUNTS RANGED FROM 30 TO 40 INCHES, BUT IT WAS TOUGH TO MEASURE DUE TO THE WIND. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 9.8 hours before the alert went out and 177 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
- 857 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 251 m²/s²
- 0-3 km storm-relative helicity
- 321 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
593 WWUS45 KMSO 052145 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 245 PM MST SUN FEB 5 2017 MTZ003-062145- /O.CAN.KMSO.BZ.A.0001.170206T0600Z-170206T1800Z/ /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 245 PM MST SUN FEB 5 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST MONDAY... ...BLIZZARD WATCH IS CANCELLED... * IMPACTS/TIMING: LIGHT RAIN SNOW MIX WILL CONTINUE THIS AFTERNOON THEN CHANGING BACK TO SNOW THIS EVENING BEFORE ANOTHER EVEN MORE ROBUST WEATHER SYSTEM ARRIVES LATER THIS EVENING THROUGH MONDAY. * LATE TONIGHT THROUGH MONDAY: AROUND COLUMBIA FALLS...VERY HEAVY SNOW WILL COMBINE WITH INCREASING EAST WINDS TO CAUSE LOCALIZED BLIZZARD CONDITIONS. SNOWFALL RATES OF 2 INCHES PER HOUR WILL BE LIKELY. ROADS WILL BECOME IMPASSIBLE THROUGH MONDAY MORNING. VISIBILITY WILL LOWER TO LESS THAN ONE QUARTER MILE. SNOW DRIFTS OVER ROADS WILL MAKE DRIVING TREACHEROUS AND SNOW PLOW OPERATIONS DIFFICULT. * SNOW ACCUMULATIONS: 15 TO 30 INCHES THROUGH MONDAY NIGHT. * WINDS TONIGHT THROUGH MONDAY: 15 TO 25 MPH WITH LOCALLY STRONGER GUSTS. $$ MTZ002-062145- /O.UPG.KMSO.BZ.A.0001.170206T0600Z-170206T1800Z/ /O.NEW.KMSO.BZ.W.0001.170206T0600Z-170206T1800Z/ /O.NEW.KMSO.WS.W.0007.170206T1800Z-170207T0600Z/ /O.EXT.KMSO.WS.W.0006.000000T0000Z-170206T0600Z/ 245 PM MST SUN FEB 5 2017 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 PM MST THIS EVENING... ...BLIZZARD WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 AM MST MONDAY... ...WINTER STORM WARNING IN EFFECT FROM 11 AM TO 11 PM MST MONDAY... THE BLIZZARD WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH TODAY BEFORE ANOTHER EVEN MORE ROBUST WEATHER SYSTEM ARRIVES LATER THIS EVENING THROUGH MONDAY. * LATE TONIGHT THROUGH MONDAY: VERY HEAVY SNOW WILL COMBINE WITH INCREASING EAST WINDS TO CAUSE BLIZZARD CONDITIONS. SNOWFALL RATES OF 2 INCHES PER HOUR WILL BE LIKELY. ROADS WILL BECOME IMPASSIBLE THROUGH MONDAY MORNING. VISIBILITY WILL LOWER TO LESS THAN ONE QUARTER MILE. SNOW DRIFTS OVER ROADS WILL MAKE DRIVING TREACHEROUS AND SNOW PLOW OPERATIONS DIFFICULT. * SNOW ACCUMULATIONS: 15 TO 35 INCHES THROUGH MONDAY NIGHT. HIGHWAY 2 OVER MARIAS PASS COULD SEE A STORM TOTAL SNOWFALL AMOUNT EXCEEDING 50 INCHES. * WINDS TONIGHT THROUGH MONDAY: 15 TO 25 MPH WITH LOCALLY STRONGER GUSTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS, MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL, HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED, STAY WITH YOUR VEHICLE. && $$ MTZ043-062145- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 245 PM MST SUN FEB 5 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST MONDAY... * IMPACTS/TIMING: LIGHT RAIN SNOW MIX WILL CONTINUE THROUGH THIS AFTERNOON THEN CHANGING BACK TO ALL SNOW THIS EVENING. ANOTHER EVEN MORE ROBUST WEATHER SYSTEM ARRIVES LATER THIS EVENING THROUGH MONDAY. HAZARDOUS DRIVING CONDITIONS ARE ANTICIPATED DURING THIS TIME. * SNOW ACCUMULATIONS: 6 TO 12 INCHES THIS AFTERNOON THROUGH MONDAY. LESSER AMOUNTS OF 3 TO 8 INCHES TO OCCUR ALONG I- 90 FROM EAST MISSOULA TO BEARMOUTH AND ALONG HIGHWAY 200 FROM BONNER TO GREENOUGH. $$ MTZ004-062145- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 245 PM MST SUN FEB 5 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST MONDAY... * IMPACTS/TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH THIS MORNING BEFORE ANOTHER EVEN MORE ROBUST WEATHER SYSTEM ARRIVES LATER THIS EVENING THROUGH MONDAY. * THIS EVENING THROUGH MONDAY: VERY HEAVY SNOW WILL ONCE AGAIN CAUSE TREACHEROUS DRIVING CONDITIONS WITH OCCASIONAL BLOWING AND DRIFTING SNOW. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE LIKELY. * SNOW ACCUMULATIONS: 10 TO 20 INCHES THROUGH MONDAY NIGHT FROM SALTESE TO LOOKOUT PASS. LOOKOUT PASS ALONE COULD RECEIVE A TOTAL OF 25 INCHES OF NEW SNOW DURING THIS TIME PERIOD. LESSER AMOUNTS OF 4 TO 10 INCHES WILL OCCUR ELSEWHERE. * WINDS SUNDAY NIGHT THROUGH MONDAY: 15 TO 20 MPH WITH LOCALLY STRONGER GUSTS. $$ MTZ001-062145- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 245 PM MST SUN FEB 5 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST MONDAY... * IMPACTS/TIMING: LIGHT RAIN SNOW MIX WILL CONTINUE THIS AFTERNOON THEN CHANGING BACK TO SNOW THIS EVENING BEFORE ANOTHER EVEN MORE ROBUST WEATHER SYSTEM ARRIVES LATER THIS EVENING THROUGH MONDAY. * LATER THIS EVENING THROUGH MONDAY: VERY HEAVY SNOW WILL COMBINE WITH INCREASING WINDS TO CAUSE LOCAL WHITEOUT CONDITIONS. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE LIKELY, CAUSING TREACHEROUS TRAVEL AND LOW VISIBILITY. * SNOW ACCUMULATIONS: 15 TO 25 INCHES WILL OCCUR THROUGH MONDAY NIGHT. LOCALLY HIGHER AMOUNTS OF 30 INCHES POSSIBLE. * WINDS TONIGHT THROUGH MONDAY: 10 TO 20 MPH WITH LOCALLY STRONGER GUSTS. $$
4 follow-up statements
191 WWUS45 KMSO 060557 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1057 PM MST SUN FEB 5 2017 MTZ002-070600- /O.EXP.KMSO.WS.W.0006.000000T0000Z-170206T0600Z/ /O.CON.KMSO.BZ.W.0001.170206T0600Z-170206T1800Z/ /O.CON.KMSO.WS.W.0007.170206T1800Z-170207T0600Z/ 1057 PM MST SUN FEB 5 2017 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM MST MONDAY... * VERY HEAVY SNOW WILL COMBINE WITH INCREASING EAST WINDS TO CAUSE BLIZZARD CONDITIONS. SNOWFALL RATES OF 2 INCHES PER HOUR WILL BE LIKELY. ROADS WILL BECOME IMPASSIBLE THROUGH MONDAY MORNING. VISIBILITY WILL LOWER TO LESS THAN ONE QUARTER MILE. SNOW DRIFTS OVER ROADS WILL MAKE DRIVING TREACHEROUS AND SNOW PLOW OPERATIONS DIFFICULT. * SNOW ACCUMULATIONS: 15 TO 35 INCHES THROUGH MONDAY NIGHT. HIGHWAY 2 OVER MARIAS PASS COULD SEE A STORM TOTAL SNOWFALL AMOUNT EXCEEDING 50 INCHES. * WINDS THROUGH MONDAY: 15 TO 25 MPH WITH LOCALLY STRONGER GUSTS. && $$ MTZ043-070600- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 1057 PM MST SUN FEB 5 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST MONDAY... * IMPACTS/TIMING: LIGHT RAIN SNOW MIX WILL CONTINUE THROUGH THIS AFTERNOON THEN CHANGING BACK TO ALL SNOW. HEAVY SNOW AND GUSTY WINDS WILL CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 6 TO 12 INCHES THROUGH MONDAY. LESSER AMOUNTS OF 3 TO 8 INCHES TO OCCUR ALONG I- 90 FROM EAST MISSOULA TO BEARMOUTH AND ALONG HIGHWAY 200 FROM BONNER TO GREENOUGH. $$ MTZ004-070600- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 1057 PM MST SUN FEB 5 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST MONDAY... * VERY HEAVY SNOW WILL ONCE AGAIN CAUSE TREACHEROUS DRIVING CONDITIONS WITH BLOWING AND DRIFTING SNOW. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE LIKELY. * SNOW ACCUMULATIONS: 10 TO 20 INCHES THROUGH MONDAY NIGHT FROM SALTESE TO LOOKOUT PASS. LOOKOUT PASS ALONE COULD RECEIVE A TOTAL OF 25 INCHES OF NEW SNOW DURING THIS TIME PERIOD. LESSER AMOUNTS OF 4 TO 10 INCHES WILL OCCUR ELSEWHERE. * WINDS THROUGH MONDAY: 15 TO 20 MPH WITH LOCALLY STRONGER GUSTS. $$ MTZ003-070600- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 1057 PM MST SUN FEB 5 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST MONDAY... * VERY HEAVY SNOW WILL ONCE AGAIN CAUSE TREACHEROUS DRIVING CONDITIONS WITH BLOWING AND DRIFTING SNOW. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE LIKELY. ROADS WILL BECOME IMPASSIBLE THROUGH MONDAY MORNING. VISIBILITY WILL LOWER TO LESS THAN ONE QUARTER MILE. SNOW DRIFTS OVER ROADS WILL MAKE DRIVING TREACHEROUS AND SNOW PLOW OPERATIONS DIFFICULT. * AROUND COLUMBIA FALLS...VERY HEAVY SNOW WILL COMBINE WITH INCREASING EAST WINDS TO CAUSE LOCALIZED BLIZZARD CONDITIONS. SNOWFALL RATES OF 2+ INCHES PER HOUR WILL BE LIKELY. * SNOW ACCUMULATIONS: 15 TO 30 INCHES THROUGH MONDAY NIGHT. * WINDS THROUGH MONDAY: 15 TO 25 MPH WITH LOCALLY STRONGER GUSTS. $$ MTZ001-070600- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 1057 PM MST SUN FEB 5 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST MONDAY... * VERY HEAVY SNOW WILL COMBINE WITH INCREASING WINDS TO CAUSE LOCAL WHITEOUT CONDITIONS. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE LIKELY, CAUSING TREACHEROUS TRAVEL AND LOW VISIBILITY. * SNOW ACCUMULATIONS: 15 TO 25 INCHES WILL OCCUR THROUGH MONDAY NIGHT. LOCALLY HIGHER AMOUNTS OF 30 INCHES POSSIBLE. * WINDS THROUGH MONDAY: 10 TO 20 MPH WITH LOCALLY STRONGER GUSTS. $$
761 WWUS45 KMSO 060758 AAB WSWMSO URGENT - WINTER WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE MISSOULA MT 1258 AM MST MON FEB 6 2017 MTZ002-070600- /O.CON.KMSO.BZ.W.0001.000000T0000Z-170206T1800Z/ /O.CON.KMSO.WS.W.0007.170206T1800Z-170207T0600Z/ 1258 AM MST MON FEB 6 2017 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 PM MST THIS EVENING... * VERY HEAVY SNOW WILL COMBINE WITH INCREASING EAST WINDS TO CAUSE BLIZZARD CONDITIONS. THE PERIOD FOR THE WORST CONDITIONS WILL OCCUR FROM 3 AM MST THROUGH ROUGHLY 7 AM MST. SNOWFALL RATES OF 2 INCHES PER HOUR WILL BE LIKELY. ROADS WILL BECOME IMPASSIBLE THROUGH MONDAY MORNING. VISIBILITY WILL LOWER TO LESS THAN ONE QUARTER MILE. SNOW DRIFTS OVER ROADS WILL MAKE DRIVING TREACHEROUS AND SNOW PLOW OPERATIONS DIFFICULT. * SNOW ACCUMULATIONS: 15 TO 35 INCHES THROUGH TONIGHT. HIGHWAY 2 OVER MARIAS PASS COULD SEE A STORM TOTAL SNOWFALL AMOUNT EXCEEDING 50 INCHES. * WINDS: 15 TO 25 MPH WITH LOCALLY STRONGER GUSTS. && $$ MTZ043-070600- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 1258 AM MST MON FEB 6 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * IMPACTS/TIMING: LIGHT RAIN SNOW MIX WILL CONTINUE THROUGH THIS AFTERNOON THEN CHANGING BACK TO ALL SNOW. HEAVY SNOW AND GUSTY WINDS WILL CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 6 TO 12 INCHES THROUGH TODAY. LESSER AMOUNTS OF 3 TO 8 INCHES TO OCCUR ALONG I- 90 FROM EAST MISSOULA TO BEARMOUTH AND ALONG HIGHWAY 200 FROM BONNER TO GREENOUGH. $$ MTZ004-070600- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 1258 AM MST MON FEB 6 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * VERY HEAVY SNOW WILL ONCE AGAIN CAUSE TREACHEROUS DRIVING CONDITIONS WITH BLOWING AND DRIFTING SNOW. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE LIKELY. * SNOW ACCUMULATIONS: 10 TO 20 INCHES THROUGH TONIGHT FROM SALTESE TO LOOKOUT PASS. LOOKOUT PASS ALONE COULD RECEIVE A TOTAL OF 25 INCHES OF NEW SNOW DURING THIS TIME PERIOD. LESSER AMOUNTS OF 4 TO 10 INCHES WILL OCCUR ELSEWHERE. * WINDS: 15 TO 20 MPH WITH LOCALLY STRONGER GUSTS. $$ MTZ003-070600- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 1258 AM MST MON FEB 6 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * VERY HEAVY SNOW WILL ONCE AGAIN CAUSE TREACHEROUS DRIVING CONDITIONS WITH BLOWING AND DRIFTING SNOW. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE LIKELY. THE PERIOD WHEN CONDITIONS WILL BE AT THEIR WORST WILL BE 3 AM MST THROUGH ROUGHLY 9 AM MST. ROADS WILL BECOME IMPASSIBLE THIS MORNING. VISIBILITY WILL LOWER TO LESS THAN ONE QUARTER MILE. SNOW DRIFTS OVER ROADS WILL MAKE DRIVING TREACHEROUS AND SNOW PLOW OPERATIONS DIFFICULT. * AROUND COLUMBIA FALLS...VERY HEAVY SNOW WILL COMBINE WITH INCREASING EAST WINDS TO CAUSE LOCALIZED BLIZZARD CONDITIONS. SNOWFALL RATES OF 2+ INCHES PER HOUR WILL BE LIKELY. * SNOW ACCUMULATIONS: 15 TO 30 INCHES THROUGH TONIGHT. * WINDS: 15 TO 25 MPH WITH LOCALLY STRONGER GUSTS. $$ MTZ001-070600- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 1258 AM MST MON FEB 6 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * VERY HEAVY SNOW WILL COMBINE WITH INCREASING WINDS TO CAUSE LOCAL WHITEOUT CONDITIONS. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE LIKELY, CAUSING TREACHEROUS TRAVEL AND LOW VISIBILITY. * SNOW ACCUMULATIONS: 15 TO 25 INCHES WILL OCCUR THROUGH TONIGHT. LOCALLY HIGHER AMOUNTS OF 30 INCHES POSSIBLE. * WINDS: 10 TO 20 MPH WITH LOCALLY STRONGER GUSTS. $$
852 WWUS45 KMSO 060800 AAC WSWMSO URGENT - WINTER WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE MISSOULA MT 100 AM MST MON FEB 6 2017 MTZ002-070600- /O.CON.KMSO.BZ.W.0001.000000T0000Z-170206T1800Z/ /O.CON.KMSO.WS.W.0007.170206T1800Z-170207T0600Z/ 100 AM MST MON FEB 6 2017 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 PM MST THIS EVENING... * VERY HEAVY SNOW WILL COMBINE WITH INCREASING EAST WINDS TO CAUSE BLIZZARD CONDITIONS. THE PERIOD FOR THE WORST CONDITIONS WILL OCCUR FROM 3 AM MST THROUGH ROUGHLY 7 AM MST. SNOWFALL RATES OF 2 INCHES PER HOUR WILL BE LIKELY. ROADS WILL BECOME IMPASSIBLE THROUGH MONDAY MORNING. VISIBILITY WILL LOWER TO LESS THAN ONE QUARTER MILE. SNOW DRIFTS OVER ROADS WILL MAKE DRIVING TREACHEROUS AND SNOW PLOW OPERATIONS DIFFICULT. * SNOW ACCUMULATIONS: 15 TO 35 INCHES THROUGH TONIGHT. HIGHWAY 2 OVER MARIAS PASS COULD SEE A STORM TOTAL SNOWFALL AMOUNT EXCEEDING 50 INCHES. * WINDS: 25 TO 35 MPH WITH LOCALLY STRONGER GUSTS. && $$ MTZ043-070600- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 100 AM MST MON FEB 6 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * IMPACTS/TIMING: LIGHT RAIN SNOW MIX WILL CONTINUE THROUGH THIS AFTERNOON THEN CHANGING BACK TO ALL SNOW. HEAVY SNOW AND GUSTY WINDS WILL CREATE HAZARDOUS DRIVING CONDITIONS. * SNOW ACCUMULATIONS: 6 TO 12 INCHES THROUGH TODAY. LESSER AMOUNTS OF 3 TO 8 INCHES TO OCCUR ALONG I- 90 FROM EAST MISSOULA TO BEARMOUTH AND ALONG HIGHWAY 200 FROM BONNER TO GREENOUGH. $$ MTZ004-070600- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 100 AM MST MON FEB 6 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * VERY HEAVY SNOW WILL ONCE AGAIN CAUSE TREACHEROUS DRIVING CONDITIONS WITH BLOWING AND DRIFTING SNOW. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE LIKELY. * SNOW ACCUMULATIONS: 10 TO 20 INCHES THROUGH TONIGHT FROM SALTESE TO LOOKOUT PASS. LOOKOUT PASS ALONE COULD RECEIVE A TOTAL OF 25 INCHES OF NEW SNOW DURING THIS TIME PERIOD. LESSER AMOUNTS OF 4 TO 10 INCHES WILL OCCUR ELSEWHERE. * WINDS: 15 TO 25 MPH WITH LOCALLY STRONGER GUSTS. $$ MTZ003-070600- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 100 AM MST MON FEB 6 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * VERY HEAVY SNOW WILL ONCE AGAIN CAUSE TREACHEROUS DRIVING CONDITIONS WITH BLOWING AND DRIFTING SNOW. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE LIKELY. THE PERIOD WHEN CONDITIONS WILL BE AT THEIR WORST WILL BE 3 AM MST THROUGH ROUGHLY 9 AM MST. ROADS WILL BECOME IMPASSIBLE THIS MORNING. VISIBILITY WILL LOWER TO LESS THAN ONE QUARTER MILE. SNOW DRIFTS OVER ROADS WILL MAKE DRIVING TREACHEROUS AND SNOW PLOW OPERATIONS DIFFICULT. * AROUND COLUMBIA FALLS...VERY HEAVY SNOW WILL COMBINE WITH INCREASING EAST WINDS TO CAUSE LOCALIZED BLIZZARD CONDITIONS. SNOWFALL RATES OF 2+ INCHES PER HOUR WILL BE LIKELY. * SNOW ACCUMULATIONS: 15 TO 30 INCHES THROUGH TONIGHT. * WINDS: 25 TO 35 MPH WITH LOCALLY STRONGER GUSTS. $$ MTZ001-070600- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 100 AM MST MON FEB 6 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * VERY HEAVY SNOW WILL COMBINE WITH INCREASING WINDS TO CAUSE LOCAL WHITEOUT CONDITIONS. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE LIKELY, CAUSING TREACHEROUS TRAVEL AND LOW VISIBILITY. * SNOW ACCUMULATIONS: 15 TO 25 INCHES WILL OCCUR THROUGH TONIGHT. LOCALLY HIGHER AMOUNTS OF 30 INCHES POSSIBLE. * WINDS: 10 TO 25 MPH WITH LOCALLY STRONGER GUSTS. $$
858 WWUS45 KMSO 061809 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1109 AM MST MON FEB 6 2017 MTZ002-070600- /O.EXP.KMSO.BZ.W.0001.000000T0000Z-170206T1800Z/ /O.CON.KMSO.WS.W.0007.000000T0000Z-170207T0600Z/ 1109 AM MST MON FEB 6 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... ...BLIZZARD WARNING HAS EXPIRED... * THOUGH THE HEAVIEST SNOW HAS ENDED, ROADS WILL REMAIN IMPASSABLE DUE TO BLOWING AND DRIFTING. VISIBILITY WILL LOWER AT TIMES TO ONE HALF MILE DUE TO LIGHT TO MODERATE SNOW AND BLOWING SNOW. SNOW DRIFTS OVER ROADS WILL CONTINUE TO MAKE DRIVING TREACHEROUS AND SNOW PLOW OPERATIONS DIFFICULT. * ADDITIONAL SNOW ACCUMULATIONS: 3 TO 6 INCHES THROUGH TONIGHT. * WINDS: 15 TO 25 MPH WITH LOCALLY STRONGER GUSTS. * LOCATIONS IMPACTED INCLUDE: HIGHWAY 2 WEST GLACIER TO MARIAS PASS. $$ MTZ043-070600- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 1109 AM MST MON FEB 6 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * IMPACTS/TIMING: A LIGHT RAIN SNOW MIX WILL CHANGE BACK TO ALL SNOW THIS AFTERNOON. SNOW AND GUSTY WINDS WILL CREATE HAZARDOUS DRIVING CONDITIONS. ROADS MAY BECOME TREACHEROUS DUE TO ICE FORMATION AS TEMPERATURES DROPS THIS AFTERNOON AND EVENING. * SNOW ACCUMULATIONS: 3 TO 8 INCHES THROUGH TONIGHT. LESSER AMOUNTS OF 2 TO 4 INCHES TO OCCUR ALONG I- 90 FROM EAST MISSOULA TO BEARMOUTH AND ALONG HIGHWAY 200 FROM BONNER TO GREENOUGH. * LOCATIONS IMPACTED INCLUDE: HIGHWAY 83 CLEARWATER JUNCTION TO CONDON, HIGHWAY 200 BONNER TO CLEARWATER JUNCTION, INTERSTATE 90 EAST MISSOULA TO BEARMOUTH. $$ MTZ004-070600- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 1109 AM MST MON FEB 6 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * QUICKLY DROPPING TEMPERATURES WITH CONTINUED SNOW AT THE PASS AND A CHANGE FROM RAIN TO SNOW AT LOW ELEVATIONS WILL BRING THE THREAT OF ICY ROADWAYS AND QUICKLY CHANGING CONDITIONS THROUGH THIS AFTERNOON. * SNOW ACCUMULATIONS: 4 TO 6 INCHES ADDITIONAL INCHES SALTESE TO LOOKOUT PASS. LESSER AMOUNTS OF 1 TO 3 INCHES WILL OCCUR ELSEWHERE THROUGH THIS EVENING. * WINDS: 15 TO 25 MPH WITH LOCALLY STRONGER GUSTS MAINLY THIS AFTERNOON. * LOCATIONS IMPACTED INCLUDE: EVARO HILL, HIGHWAY 200 THOMPSON FALLS TO PLAINS, HIGHWAY 200 TROUT CREEK TO HERON, AND I- 90 LOOKOUT PASS TO HAUGAN $$ MTZ003-070600- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 1109 AM MST MON FEB 6 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * THOUGH THE HEAVIEST SNOW HAS ENDED, TRAVEL ON ROADS WILL REMAIN DIFFICULT TO IMPOSSIBLE DUE TO BLOWING AND DRIFTING, ESPECIALLY THOUGH THE FLATHEAD VALLEY. VISIBILITY WILL LOWER AT TIMES TO ONE HALF MILE DUE TO LIGHT TO MODERATE SNOW AND BLOWING SNOW. SNOW DRIFTS OVER ROADS WILL CONTINUE TO MAKE DRIVING TREACHEROUS AND SNOW PLOW OPERATIONS DIFFICULT. * FOR THE MISSION VALLEY AND NEAR FLATHEAD LAKE, TRAVEL MAY BECOME DIFFICULT DUE TO ICE FORMATION ON ROADWAYS AS TEMPERATURES DROP THIS AFTERNOON. * SNOW ACCUMULATIONS: AN ADDITIONAL 2 TO 5 INCHES THROUGH TONIGHT. * WINDS: 25 TO 35 MPH WITH LOCALLY STRONGER GUSTS. * LOCATIONS IMPACTED INCLUDE: FLATHEAD LAKE, FLATHEAD VALLEY, MISSION VALLEY, AND POLSON $$ MTZ001-070600- /O.CON.KMSO.WS.W.0006.000000T0000Z-170207T0600Z/ 1109 AM MST MON FEB 6 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * THOUGH THE HEAVIEST SNOW HAS ENDED, TRAVEL ON ROADS WILL REMAIN DIFFICULT TO IMPOSSIBLE DUE TO BLOWING AND DRIFTING. VISIBILITY WILL LOWER AT TIMES TO ONE HALF MILE DUE TO LIGHT TO MODERATE SNOW AND BLOWING SNOW. SNOW DRIFTS OVER ROADS WILL CONTINUE TO MAKE DRIVING TREACHEROUS AND SNOW PLOW OPERATIONS DIFFICULT. * SNOW ACCUMULATIONS: AN ADDITIONAL 2 TO 5 INCHES THROUGH TONIGHT. * WINDS: 10 TO 25 MPH WITH LOCALLY STRONGER GUSTS. * LOCATIONS IMPACTED INCLUDE: HIGHWAY 37 EUREKA TO LIBBY, HIGHWAY 56 BULL LAKE ROAD, HIGHWAY 93 EUREKA TO WHITEFISH, HIGHWAY 2 TROY TO MARION. $$ IDZ005>008-071800- /O.NEW.KMSO.WW.Y.0012.170206T1809Z-170207T1800Z/ 1009 AM PST MON FEB 6 2017 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST TUESDAY... * IMPACTS/TIMING: RAIN WILL CHANGE TO SLEET AND SNOW DURING THE LATE MORNING AND AFTERNOON. GUSTY WINDS AND QUICKLY DROPPING TEMPERATURES WILL ALSO BRING THE THREAT FOR ICE ON ALL ROADWAYS. WIND GUSTS OVER 40 MPH ARE LIKELY THIS AFTERNOON AND SNOW WILL BE VERY HEAVY AT TIMES INTO THIS EVENING. * SNOW ACCUMULATIONS: 1 TO 3 INCHES WITH HIGHER AMOUNTS IN PLACES THAT REMAIN SNOW OR QUICKLY CHANGE TO SNOW. * LOCATIONS IMPACTED INCLUDE: ELK RIVER, HIGHWAY 11 PIERCE TO HEADQUARTERS, PIERCE, DIXIE, ELK CITY, HIGHWAY 12 LOWELL TO LOLO PASS, CAMAS PRAIRIE, GRANGEVILLE AND VICINITY, GREER GRADE, AND WHITE BIRD GRADE $$ MTZ005>007-071800- /O.NEW.KMSO.WW.Y.0012.170206T1809Z-170207T1800Z/ 1109 AM MST MON FEB 6 2017 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST TUESDAY... * IMPACTS/TIMING: RAIN WILL CHANGE TO SLEET AND SNOW DURING THE LATE MORNING AND AFTERNOON. GUSTY WINDS AND QUICKLY DROPPING TEMPERATURES WILL ALSO BRING THE THREAT FOR ICE ON ALL ROADWAYS. WIND GUSTS OVER 40 MPH ARE LIKELY THIS AFTERNOON AND SNOW WILL BE VERY HEAVY AT TIMES INTO THIS EVENING. * SNOW ACCUMULATIONS: 1 TO 3 INCHES WITH HIGHER AMOUNTS IN PLACES THAT REMAIN SNOW OR QUICKLY CHANGE TO SNOW. * LOCATIONS IMPACTED INCLUDE: BITTERROOT VALLEY, MISSOULA, HIGHWAY 93 SULA TO LOST TRAIL PASS, LOLO PASS, BUTTE, GEORGETOWN LAKE, HIGHWAY 12 GARRISON TO ELLISTON $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 5, 2:54 AM MST | Blizzard Watch | MSO | Flathead, Lake, Sanders | 12 hr |
| Feb 5, 2:45 PM MST | Winter Storm Warning | MSO | Flathead, Lake | 30 hr |
Nearby
Blizzard Warnings in Montana, 2017Every blizzard warning in 2017
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.