Alert archive / Montana / Wind Advisories in 2012
Wind Advisory 1, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Jan 5, 2012, 8:18 AM MST for 9 counties in Montana. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jan 5, 2012, 8:18 AM MST (15:18 UTC)
- Expired
- Jan 5, 2012, 4:47 PM MST
- In force
- 8 hr
- Issued by
- NWS Missoula, MT
Counties Deer Lodge County, MT, Flathead County, MT, Granite County, MT, Lake County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Sanders County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 27 km from the middle of the area, began a volume at 15:20 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, 3.3 hours before the alert went out and 222 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
- 1161 m above ground
- 0-6 km bulk shear
- 81 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 236 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
070 WWUS75 KMSO 051518 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 818 AM MST THU JAN 5 2012 MTZ002-003-005>007-043-052330- /O.NEW.KMSO.WI.Y.0001.120105T1518Z-120106T0100Z/ WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS- MISSOULA/BITTERROOT VALLEYS-BITTERROOT/SAPPHIRE MOUNTAINS- BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 818 AM MST THU JAN 5 2012 ...WIND ADVISORY IN EFFECT UNTIL 6 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM MST THIS EVENING. * IMPACTS/TIMING: GUSTY WINDS WILL IMPACT PORTIONS OF WESTERN MONTANA THROUGH THE DAY. THESE WINDS WILL RESULT IN TRAVEL DIFFICULTIES FOR HIGH PROFILE VEHICLES AND BREAKING SMALL BRANCHES OFF TREES. IN ADDITION...LIGHT OUTDOOR ITEMS NOT SECURED MAY BECOME DISPLACED. * WINDS:WEST TO NORTHWEST 20 TO 30 MPH WITH GUSTS OVER 40 MPH. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...FLATHEAD LAKE...FLATHEAD VALLEY...MISSION VALLEY...POLSON...BITTERROOT VALLEY...MISSOULA...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD PASS...HIGHWAY 200 BONNER TO GREENOUGH... I- 90 EAST MISSOULA TO BEARMOUTH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
2 follow-up statements
116 WWUS75 KMSO 052115 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 215 PM MST THU JAN 5 2012 MTZ002-003-005>007-043-060100- /O.CON.KMSO.WI.Y.0001.000000T0000Z-120106T0100Z/ WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS- MISSOULA/BITTERROOT VALLEYS-BITTERROOT/SAPPHIRE MOUNTAINS- BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 215 PM MST THU JAN 5 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING. * IMPACTS/TIMING: GUSTY WINDS WILL IMPACT PORTIONS OF WESTERN MONTANA THROUGH THE REST OF THE AFTERNOON. THESE WINDS WILL RESULT IN TRAVEL DIFFICULTIES FOR HIGH PROFILE VEHICLES AND BREAKING SMALL BRANCHES OFF TREES. IN ADDITION...LIGHT OUTDOOR ITEMS NOT SECURED MAY BECOME DISPLACED. * WINDS:WEST TO NORTHWEST 20 TO 30 MPH WITH GUSTS OVER 40 MPH. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...FLATHEAD LAKE...FLATHEAD VALLEY...MISSION VALLEY...POLSON...BITTERROOT VALLEY...MISSOULA...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS...BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...MACDONALD PASS...HIGHWAY 200 BONNER TO GREENOUGH... I-90 EAST MISSOULA TO BEARMOUTH PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
316 WWUS75 KMSO 052347 NPWMSO URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 447 PM MST THU JAN 5 2012 MTZ002-003-005>007-043-060100- /O.CAN.KMSO.WI.Y.0001.000000T0000Z-120106T0100Z/ WEST GLACIER REGION-FLATHEAD/MISSION VALLEYS- MISSOULA/BITTERROOT VALLEYS-BITTERROOT/SAPPHIRE MOUNTAINS- BUTTE/BLACKFOOT REGION-POTOMAC/SEELEY LAKE REGION- 447 PM MST THU JAN 5 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WIND ADVISORY. WINDS HAVE BEGUN TO DECREASE BELOW ADVISORY CRITERIA ACROSS THE AREA...HOWEVER WINDS 15 TO 25 MPH ARE STILL EXPECTED THROUGH THE EVENING HOURS. $$
Nearby
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.