Alert archive / Montana / Red Flag Warnings in 2021
Red Flag Warning 3, NWS Missoula, MT
NWS Missoula, MT issued this red flag warning at Jun 14, 2021, 12:00 PM MDT for 7 counties in Montana. It took effect at Jun 15, 2021, 9:00 AM MDT. It was in force for 15 hr. 6 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 14, 2021, 12:00 PM MDT (18:00 UTC)
- In effect from
- Jun 15, 2021, 9:00 AM MDT
- Expired
- Jun 16, 2021, 12:00 AM MDT
- In force
- 15 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 18:04 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 15, 1:00 PM MDT | NON-TSTM WND GST 49 | 6 Wsw Big Sky, MT | MESONET STATION YCTIM 6.3 W BIG SKY (AVALANCHE). |
| Jun 15, 1:57 PM MDT | NON-TSTM WND GST 52 | 4 Nne Mcallister, MT | MESONET STATION MTNOR NORRIS HILL (MT DOT). |
| Jun 15, 2:15 PM MDT | NON-TSTM WND GST 52 | 5 Ene Dillon, MT | ASOS STATION KDLN DILLON AIRPORT. |
| Jun 15, 2:35 PM MDT | NON-TSTM WND GST 49 | 5 Nne Cameron, MT | AWOS STATION KEKS ENNIS BIG SKY AWOS. |
| Jun 15, 3:05 PM MDT | NON-TSTM WND GST 51 | 21 Sw Lima, MT | MESONET STATION HRKM8 HARKNESS RAWS. |
| Jun 15, 4:59 PM MDT | NON-TSTM WND GST 50 | 4 Ne Lima, MT | MESONET STATION LMRM8 ANTELOPE RAWS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Great_falls, MT (KTFX), launched 12:00Z, 6.0 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
- 13 J/kg
- Mixed-layer CIN
- -695 J/kg
- Mixed-layer LCL
- 2646 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 277 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
799 WWUS85 KMSO 141800 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 1200 PM MDT Mon Jun 14 2021 MTZ110-111-160600- /O.NEW.KMSO.FW.W.0003.210615T1500Z-210616T0600Z/ Deerlodge/West Beaverhead-East Beaverhead- 1200 PM MDT Mon Jun 14 2021 ...RED FLAG WARNING IN EFFECT FROM 9 AM TUESDAY TO MIDNIGHT MDT TUESDAY NIGHT... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Impacts: Strong winds with low humidity will produce critical fire weather conditions. * Winds: South to southwest 20-35 mph with gusts to 40 mph, and gusts 40-50 mph in the East Beaverhead. * Minimum humidities: 9-15 percent && $$
2 follow-up statements
207 WWUS85 KMSO 151953 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 153 PM MDT Tue Jun 15 2021 MTZ110-111-160600- /O.CON.KMSO.FW.W.0003.000000T0000Z-210616T0600Z/ Deerlodge/West Beaverhead-East Beaverhead- 153 PM MDT Tue Jun 15 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Impacts: Strong winds with low humidity will produce critical fire weather conditions. * Winds: South to southwest 20-35 mph with gusts to 40 mph, and gusts 40-50 mph in the East Beaverhead. * Minimum humidities: 9-15 percent && $$
467 WWUS85 KMSO 160555 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 1155 PM MDT Tue Jun 15 2021 MTZ110-111-160700- /O.EXP.KMSO.FW.W.0003.000000T0000Z-210616T0600Z/ Deerlodge/West Beaverhead-East Beaverhead- 1155 PM MDT Tue Jun 15 2021 ...RED FLAG WARNING WILL EXPIRE AT MIDNIGHT MDT TONIGHT... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (EastBeaverhead). && $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 6:07 PM MDT | Special Weather Statement | MSO | Granite | 23 min |
| Jun 13, 6:13 PM MDT | Special Weather Statement | MSO | Powell | 47 min |
| Jun 13, 6:33 PM MDT | Special Weather Statement | MSO | Powell | 27 min |
| Jun 13, 7:12 PM MDT | Special Weather Statement | MSO | Powell | 33 min |
| Jun 13, 7:21 PM MDT | Special Weather Statement | MSO | Missoula | 39 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.