Alert archive / Montana / Winter Storm Warnings in 2016
Winter Storm Warning 3, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Feb 2, 2016, 11:13 AM MST for Mineral County, Missoula County, Sanders County, Montana. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 2, 2016, 11:13 AM MST (18:13 UTC)
- Expired
- Feb 2, 2016, 2:43 PM MST
- In force
- 4 hr
- Issued by
- NWS Missoula, MT
Counties Mineral County, MT, Missoula County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 59 km from the middle of the area, began a volume at 18:15 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 12:00Z, 6.2 hours before the alert went out and 137 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
- 747 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
546 WWUS45 KMSO 021813 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1113 AM MST TUE FEB 2 2016 MTZ004-030500- /O.UPG.KMSO.WW.Y.0012.000000T0000Z-160203T0500Z/ /O.NEW.KMSO.WS.W.0003.160202T1813Z-160203T0000Z/ /O.NEW.KMSO.WW.Y.0013.160203T0000Z-160203T0500Z/ 1113 AM MST TUE FEB 2 2016 ...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 10 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS WINTER WEATHER ADVISORY FOR SNOW IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 10 PM MST THIS EVENING. * IMPACTS/TIMING: HIGH SNOWFALL RATES HAVE PRODUCED SEVERE DRIVING CONDITIONS FROM LOOKOUT PASS TO ST. REGIS. SNOW BANDS WILL PERSIST THROUGH THE AFTERNOON HOURS. MODERATE TO HEAVY SNOWFALL WITH THESE SNOW BANDS IS CAUSING FURTHER ISSUES FOR ROAD CREWS. USE YOUR HEADLIGHTS TODAY AND BE ALERT FOR SUDDEN CHANGES. * THIS EVENINGS COMMUTE MAY ALSO BE DIFFICULT AS MELTING WET ROADS WILL REFREEZE. FRESH LIGHT SNOW ON ICE WILL MAKE TRAVEL DIFFICULT. * LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN $$ MTZ003-005-043-030500- /O.CON.KMSO.WW.Y.0012.000000T0000Z-160203T0500Z/ 1113 AM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL 10 PM MST THIS EVENING... * IMPACTS/TIMING: LIGHT POWDERY SNOW FALLING OVER ALREADY SLICK SURFACES WILL BRING A SLICK COMMUTE WITH BLACK ICE TODAY. * TODAY AND THIS EVENING: SNOW SHOWERS WILL PERSIST AND PICK UP IN INTENSITY THIS AFTERNOON. THERE IS A GOOD POTENTIAL FOR A FEW STRONG SNOW BANDS WHICH WILL BRING TRAVEL DIFFICULTIES. SPECIFICALLY SUDDEN REDUCTION OF VISIBILITY TO JUST A FEW HUNDRED FEET. USE YOUR HEADLIGHTS AND BE ALERT FOR SUDDEN CHANGES. * THIS EVENINGS COMMUTE MAY ALSO BE DIFFICULT AS MELTING WET ROADS WILL REFREEZE. FRESH LIGHT SNOW ON ICE WILL MAKE TRAVEL DIFFICULT. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON...BITTERROOT VALLEY...MISSOULA... HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I- 90 EAST MISSOULA TO BEARMOUTH $$
2 follow-up statements
461 WWUS45 KMSO 021949 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1249 PM MST TUE FEB 2 2016 MTZ004-030500- /O.CON.KMSO.WS.W.0003.000000T0000Z-160203T0000Z/ /O.CON.KMSO.WW.Y.0013.160203T0000Z-160203T0500Z/ 1249 PM MST TUE FEB 2 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 10 PM MST THIS EVENING... * IMPACTS/TIMING: HIGH SNOWFALL RATES HAVE PRODUCED SEVERE DRIVING CONDITIONS FROM LOOKOUT PASS TO ST. REGIS. SNOW BANDS WILL PERSIST THROUGH THE AFTERNOON HOURS. MODERATE TO HEAVY SNOWFALL WITH THESE SNOW BANDS IS CAUSING FURTHER ISSUES FOR ROAD CREWS. USE YOUR HEADLIGHTS TODAY AND BE ALERT FOR SUDDEN CHANGES. * THIS EVENINGS COMMUTE MAY ALSO BE DIFFICULT AS MELTING WET ROADS WILL REFREEZE. FRESH LIGHT SNOW ON ICE WILL MAKE TRAVEL DIFFICULT. * LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN $$ MTZ007-030500- /O.EXB.KMSO.WW.Y.0012.160202T2000Z-160203T0500Z/ 1249 PM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 10 PM MST THIS EVENING. * IMPACTS/TIMING: LIGHT POWDERY SNOW FALLING OVER ALREADY SLICK SURFACES WILL BRING A SLICK COMMUTE WITH BLACK ICE THIS AFTERNOON AND EVENING. * TODAY AND THIS EVENING: SNOW SHOWERS ARE EXPECTED TO DEVELOP AND PICK UP IN INTENSITY THIS AFTERNOON. THERE IS A GOOD POTENTIAL FOR A FEW STRONG SNOW BANDS WHICH WILL BRING TRAVEL DIFFICULTIES. SPECIFICALLY SUDDEN REDUCTION OF VISIBILITY TO JUST A FEW HUNDRED FEET. USE YOUR HEADLIGHTS AND BE ALERT FOR SUDDEN CHANGES. * THIS EVENINGS COMMUTE MAY ALSO BE DIFFICULT AS MELTING WET ROADS WILL REFREEZE. FRESH LIGHT SNOW ON ICE WILL MAKE TRAVEL DIFFICULT. * LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...HOMESTAKE PASS...MACDONALD PASS $$ MTZ003-005-043-030500- /O.CON.KMSO.WW.Y.0012.000000T0000Z-160203T0500Z/ 1249 PM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM MST THIS EVENING... * IMPACTS/TIMING: LIGHT POWDERY SNOW FALLING OVER ALREADY SLICK SURFACES WILL BRING A SLICK COMMUTE WITH BLACK ICE TODAY. * TODAY AND THIS EVENING: SNOW SHOWERS WILL PERSIST AND PICK UP IN INTENSITY THIS AFTERNOON. THERE IS A GOOD POTENTIAL FOR A FEW STRONG SNOW BANDS WHICH WILL BRING TRAVEL DIFFICULTIES. SPECIFICALLY SUDDEN REDUCTION OF VISIBILITY TO JUST A FEW HUNDRED FEET. USE YOUR HEADLIGHTS AND BE ALERT FOR SUDDEN CHANGES. * THIS EVENINGS COMMUTE MAY ALSO BE DIFFICULT AS MELTING WET ROADS WILL REFREEZE. FRESH LIGHT SNOW ON ICE WILL MAKE TRAVEL DIFFICULT. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON...BITTERROOT VALLEY...MISSOULA... HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I- 90 EAST MISSOULA TO BEARMOUTH $$
981 WWUS45 KMSO 022143 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 243 PM MST TUE FEB 2 2016 MTZ004-030500- /O.CAN.KMSO.WS.W.0003.000000T0000Z-160203T0000Z/ /O.EXT.KMSO.WW.Y.0013.160202T2143Z-160203T0500Z/ 243 PM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 PM MST THIS EVENING... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. * * IMPACTS/TIMING: SNOW SHOWERS ARE EXPECTED THROUGH THE EVENING HOURS. A FEW OF THESE SHOWERS MAY PRODUCE BRIEF MODERATE TO HEAVY SNOWFALL. THIS MAY IMPACT TRAVEL AS SUDDEN CHANGES IN VISIBILITY ARE POSSIBLE, FROM CLEAR TO LESS THAN A MILE. * MELTING WET ROADS WILL REFREEZE THIS EVENING. FRESH LIGHT SNOW ON ICE WILL MAKE TRAVEL DIFFICULT. * LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN $$ MTZ003-005-043-030500- /O.CON.KMSO.WW.Y.0012.000000T0000Z-160203T0500Z/ 243 PM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM MST THIS EVENING... * IMPACTS/TIMING: LIGHT POWDERY SNOW FALLING OVER ALREADY SLICK SURFACES WILL BRING A SLICK COMMUTE WITH BLACK ICE THIS EVENING. * TODAY AND THIS EVENING: SNOW SHOWERS WILL PERSIST AND PICK UP IN INTENSITY THIS AFTERNOON AND EVENING. THERE IS A GOOD POTENTIAL FOR A FEW STRONG SNOW BANDS WHICH WILL BRING TRAVEL DIFFICULTIES. SPECIFICALLY SUDDEN REDUCTION OF VISIBILITY TO JUST A FEW HUNDRED FEET. THIS EVENINGS COMMUTE MAY ALSO BE DIFFICULT AS MELTING WET ROADS WILL REFREEZE. FRESH LIGHT SNOW ON ICE WILL MAKE TRAVEL DIFFICULT. * LOCATIONS IMPACTED INCLUDE...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON...BITTERROOT VALLEY...MISSOULA... HIGHWAY 200 BONNER TO GREENOUGH...HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH $$ MTZ007-030500- /O.CON.KMSO.WW.Y.0012.000000T0000Z-160203T0500Z/ 243 PM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM MST THIS EVENING... * IMPACTS/TIMING: LIGHT POWDERY SNOW FALLING OVER ALREADY SLICK SURFACES WILL BRING A SLICK COMMUTE WITH BLACK ICE THIS AFTERNOON AND EVENING. * TODAY AND THIS EVENING: SNOW SHOWERS ARE EXPECTED TO DEVELOP AND PICK UP IN INTENSITY THIS AFTERNOON. THERE IS A GOOD POTENTIAL FOR A FEW STRONG SNOW BANDS WHICH WILL BRING TRAVEL DIFFICULTIES. SPECIFICALLY SUDDEN REDUCTION OF VISIBILITY TO JUST A FEW HUNDRED FEET. USE YOUR HEADLIGHTS AND BE ALERT FOR SUDDEN CHANGES. * THIS EVENINGS COMMUTE MAY ALSO BE DIFFICULT AS MELTING WET ROADS WILL REFREEZE. FRESH LIGHT SNOW ON ICE WILL MAKE TRAVEL DIFFICULT. * LOCATIONS IMPACTED INCLUDE...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...HOMESTAKE PASS...MACDONALD PASS $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 1, 5:46 PM MST | Special Weather Statement | MSO | Missoula | 59 min |
| Feb 1, 5:50 PM MST | Special Weather Statement | MSO | Missoula | 70 min |
| Feb 2, 11:13 AM MST | Winter Weather Advisory | MSO | Mineral, Missoula, Sanders | 11 hr |
Nearby
Winter Storm Warnings in Montana, 2016Every winter storm warning in 2016
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.