Alert archive / Montana / Wind Advisories in 2018
Wind Advisory 9, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Nov 2, 2018, 3:38 AM MDT for 8 counties in Montana. It took effect at Nov 2, 2018, 2:00 PM MDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Nov 2, 2018, 3:38 AM MDT (09:38 UTC)
- In effect from
- Nov 2, 2018, 2:00 PM MDT
- Expired
- Nov 2, 2018, 8:43 PM MDT
- In force
- 7 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, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 44 km from the middle of the area, began a volume at 09:38 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
Great_falls, MT (KTFX), launched 00:00Z, 9.6 hours before the alert went out and 234 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
- 1383 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 403 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
645 WWUS75 KMSO 020938 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 338 AM MDT Fri Nov 2 2018 MTZ005-030200- /O.NEW.KMSO.WI.Y.0009.181102T2000Z-181103T0200Z/ Missoula/Bitterroot Valleys- 338 AM MDT Fri Nov 2 2018 ...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM MDT THIS EVENING... The National Weather Service in Missoula has issued a Wind Advisory, which is in effect from 2 PM this afternoon to 8 PM MDT this evening. * WINDS...West 20 to 30 mph with gusts up to 40 mph. * WHERE...Missoula/Bitterroot Valleys. * WHEN...From 2 PM this afternoon to 8 PM MDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. $$ MTZ006-007-043-030600- /O.NEW.KMSO.WI.Y.0009.181102T2000Z-181103T0600Z/ Bitterroot/Sapphire Mountains-Butte/Blackfoot Region- Potomac/Seeley Lake Region- 338 AM MDT Fri Nov 2 2018 ...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO MIDNIGHT MDT TONIGHT... The National Weather Service in Missoula has issued a Wind Advisory, which is in effect from 2 PM this afternoon to midnight MDT tonight. * WINDS...West 30 to 40 mph with gusts up to 50 mph. * WHERE...Bitterroot/Sapphire Mountains, Butte/Blackfoot Region and Potomac/Seeley Lake Region. * WHEN...From 2 PM this afternoon to midnight MDT tonight. * IMPACTS...Strong winds may blow down limbs, small diameter trees, and power lines. Scattered power outages are possible. Travel may be difficult at times, especially for high profile vehicles. $$ MTZ002-030000- /O.NEW.KMSO.WI.Y.0009.181102T2000Z-181103T0000Z/ West Glacier Region- 338 AM MDT Fri Nov 2 2018 ...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 PM MDT THIS EVENING... The National Weather Service in Missoula has issued a Wind Advisory, which is in effect from 2 PM this afternoon to 6 PM MDT this evening. * WINDS...Southwest 25 to 35 mph with gusts up to 50 mph. * WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...From 2 PM this afternoon to 6 PM MDT this evening. * IMPACTS...Strong winds may blow down limbs, small diameter trees, and power lines. Scattered power outages are possible. Travel may be difficult at times, especially for high profile vehicles. $$ MTZ003-030000- /O.NEW.KMSO.LW.Y.0007.181102T1200Z-181103T0000Z/ Flathead/Mission Valleys- 338 AM MDT Fri Nov 2 2018 ...LAKE WIND ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO 6 PM MDT THIS EVENING... The National Weather Service in Missoula has issued a Lake Wind Advisory, which is in effect from 6 AM this morning to 6 PM MDT this evening. * WINDS...Southwest 20 to 30 mph with gusts up to 35 mph. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...From 6 AM this morning to 6 PM MDT this evening. Winds will be strong in the morning, then decrease for mid-day and increase again and be strongest this afternoon. * WAVE HEIGHTS...2 to 4 feet. * IMPACTS...Strong winds and rough waves on the lake will create hazardous conditions for small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Lake Wind Advisory indicates that winds will cause rough chop on area lakes. Small boats will be especially prone to capsizing. && $$
2 follow-up statements
567 WWUS75 KMSO 022353 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 553 PM MDT Fri Nov 2 2018 MTZ006-043-030100- /O.CAN.KMSO.WI.Y.0009.000000T0000Z-181103T0600Z/ Bitterroot/Sapphire Mountains-Potomac/Seeley Lake Region- 553 PM MDT Fri Nov 2 2018 ...WIND ADVISORY IS CANCELLED... The National Weather Service in Missoula has cancelled the Wind Advisory. Breezy conditions will persist through sunset, but the strongest wind gusts have likely already occurred and therefore a Wind Advisory is no longer necessary. $$ MTZ005-030100- /O.CAN.KMSO.WI.Y.0009.000000T0000Z-181103T0200Z/ Missoula/Bitterroot Valleys- 553 PM MDT Fri Nov 2 2018 ...WIND ADVISORY IS CANCELLED... The National Weather Service in Missoula has cancelled the Wind Advisory. Breezy conditions will persist through sunset, but the strongest wind gusts have likely already occurred and therefore a Wind Advisory is no longer necessary. $$ MTZ002-030100- /O.CAN.KMSO.WI.Y.0009.000000T0000Z-181103T0000Z/ West Glacier Region- 553 PM MDT Fri Nov 2 2018 ...WIND ADVISORY IS CANCELLED... The National Weather Service in Missoula has cancelled the Wind Advisory. Breezy conditions will persist through sunset, but the strongest wind gusts have likely already occurred and therefore a Wind Advisory is no longer necessary. $$ MTZ003-030100- /O.EXP.KMSO.LW.Y.0007.000000T0000Z-181103T0000Z/ Flathead/Mission Valleys- 553 PM MDT Fri Nov 2 2018 ...LAKE WIND ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING... Breezy conditions will persist through sunset, but the strongest wind gusts have likely already occurred and therefore a Lake Wind Advisory is no longer necessary. $$ MTZ007-030600- /O.CON.KMSO.WI.Y.0009.000000T0000Z-181103T0600Z/ Butte/Blackfoot Region- 553 PM MDT Fri Nov 2 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WINDS...West 30 to 40 mph with gusts up to 45 mph. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...Until midnight MDT tonight. * IMPACTS...Strong winds may blow down limbs, small diameter trees, and power lines. Scattered power outages are possible. Travel may be difficult at times, especially for high profile vehicles traveling over MacDonald Pass and along I-90 between Drummond and Anaconda. $$
870 WWUS75 KMSO 030243 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 843 PM MDT Fri Nov 2 2018 MTZ007-030345- /O.CAN.KMSO.WI.Y.0009.000000T0000Z-181103T0600Z/ Butte/Blackfoot Region- 843 PM MDT Fri Nov 2 2018 ...WIND ADVISORY IS CANCELLED... The National Weather Service in Missoula has cancelled the Wind Advisory. Breezy conditions will persist through the rest of this evening, but the strongest wind gusts have likely already occurred and therefore a Wind Advisory is no longer necessary. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 2, 3:38 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 14 hr |
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.