Alert archive / Montana / Red Flag Warnings in 2021
Red Flag Warning 4, NWS Missoula, MT
NWS Missoula, MT issued this red flag warning at Jul 1, 2021, 1:45 PM MDT for 7 counties in Montana. It took effect at Jul 2, 2021, 2:00 PM MDT. It was in force for 6 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
- Jul 1, 2021, 1:45 PM MDT (19:45 UTC)
- In effect from
- Jul 2, 2021, 2:00 PM MDT
- Expired
- Jul 2, 2021, 8:00 PM MDT
- In force
- 6 hr
- Issued by
- NWS Missoula, MT
Counties Beaverhead County, MT, Deer Lodge County, MT, Granite County, MT, Jefferson County, MT, Madison County, MT, Powell County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 154 km from the middle of the area, began a volume at 19:46 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.
The nearest sounding before it
Great_falls, MT (KTFX), launched 12:00Z, 7.8 hours before the alert went out and 231 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
- 3408 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -63 m²/s²
- 0-3 km storm-relative helicity
- -11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
393 WWUS85 KMSO 011945 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 145 PM MDT Thu Jul 1 2021 MTZ110-111-021945- /O.NEW.KMSO.FW.W.0004.210702T2000Z-210703T0200Z/ Deerlodge/West Beaverhead-East Beaverhead- 145 PM MDT Thu Jul 1 2021 ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM MDT FRIDAY... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Impacts: Gusty and erratic outflows developing from high based scattered thunderstorms and frequent lightning. * Thunderstorms: Both wet and dry. * Outflow Winds: 40 to 50 mph. && $$
1 follow-up statement
417 WWUS85 KMSO 021019 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 419 AM MDT Fri Jul 2 2021 MTZ110-111-030200- /O.CON.KMSO.FW.W.0004.210702T2000Z-210703T0200Z/ Deerlodge/West Beaverhead-East Beaverhead- 419 AM MDT Fri Jul 2 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM MDT THIS EVENING... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Impacts: Gusty and erratic outflows developing from high based scattered thunderstorms and frequent lightning. * Thunderstorms: Both wet and dry. * Outflow Winds: 40 to 50 mph. && $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 3:42 PM MDT | Special Weather Statement | MSO | 48 min | |
| Jul 1, 5:16 PM MDT | Special Weather Statement | MSO | Granite | 44 min |
| Jul 1, 5:21 PM MDT | Special Weather Statement | MSO | Missoula | 24 min |
| Jul 1, 5:23 PM MDT | Special Weather Statement | MSO | Powell | 37 min |
| Jul 1, 5:42 PM MDT | Special Weather Statement | MSO | Missoula | 48 min |
| Jul 1, 5:56 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 34 min |
Nearby
Red Flag Warnings in Montana, 2021Every red flag warning in 2021
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.