Alert archive / Montana / Red Flag Warnings in 2021
Red Flag Warning 5, NWS Missoula, MT
NWS Missoula, MT issued this red flag warning at Jul 8, 2021, 7:08 AM MDT for 7 counties in Montana. It took effect at Jul 8, 2021, 12:00 PM MDT. It was in force for 9 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 8, 2021, 7:08 AM MDT (13:08 UTC)
- In effect from
- Jul 8, 2021, 12:00 PM MDT
- Expired
- Jul 8, 2021, 9:00 PM MDT
- In force
- 9 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 13:11 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, 1.1 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
- 2327 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
415 WWUS85 KMSO 081308 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 708 AM MDT Thu Jul 8 2021 MTZ110-111-090300- /O.NEW.KMSO.FW.W.0005.210708T1800Z-210709T0300Z/ Deerlodge/West Beaverhead-East Beaverhead- 708 AM MDT Thu Jul 8 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Impacts: Strong winds with low humidities will produce critical fire weather conditions. * Winds: West winds shifting to the northwest during the afternoon 15-25 mph, with gusts 30 to 35 mph. * Minimum humidities: 8 to 14 percent. && $$
1 follow-up statement
621 WWUS85 KMSO 090235 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 835 PM MDT Thu Jul 8 2021 MTZ110-111-090345- /O.EXP.KMSO.FW.W.0005.000000T0000Z-210709T0300Z/ Deerlodge/West Beaverhead-East Beaverhead- 835 PM MDT Thu Jul 8 2021 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). && $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 7:41 PM MDT | Special Weather Statement | MSO | Flathead | 34 min |
| Jul 7, 7:48 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 27 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.