Alert archive / Montana / Red Flag Warnings in 2017
Red Flag Warning 4, NWS Missoula, MT
NWS Missoula, MT issued this red flag warning at Jul 31, 2017, 2:40 PM MDT for 7 counties in Montana. It took effect at Aug 1, 2017, 6:00 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 31, 2017, 2:40 PM MDT (20:40 UTC)
- In effect from
- Aug 1, 2017, 6:00 PM MDT
- Expired
- Aug 2, 2017, 3:28 AM MDT
- In force
- 9 hr
- Issued by
- NWS Missoula, MT
Counties Flathead County, MT, Glacier County, MT, Granite County, MT, Lake County, MT, Lewis and Clark County, MT, Missoula County, MT, Powell County, MT
The radar
The Missoula radar (KMSX), 62 km from the middle of the area, began a volume at 20:39 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, 8.7 hours before the alert went out and 211 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
- 3328 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
623 WWUS85 KMSO 312040 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 240 PM MDT Mon Jul 31 2017 MTZ105-108-012045- /O.NEW.KMSO.FW.W.0004.170802T0000Z-170802T1200Z/ Flathead/Glacier Park-East Lolo- 240 PM MDT Mon Jul 31 2017 ...RED FLAG WARNING IN EFFECT FROM 6 PM TUESDAY TO 6 AM MDT WEDNESDAY... * Affected area: Fire Zone 105 (Flathead/Glacier Park). Fire Zone 108 (East Lolo). * Winds: East winds 10 to 20 mph, gusting to 30 mph at times. * Minimum humidities: 12 to 22 percent humidity. && $$
2 follow-up statements
546
WWUS85 KMSO 020435
RFWMSO
URGENT - FIRE WEATHER MESSAGE
National Weather Service Missoula MT
1035 PM MDT Tue Aug 1 2017
MTZ105-108-021200-
/O.CON.KMSO.FW.W.0004.000000T0000Z-170802T1200Z/
Flathead/Glacier Park-East Lolo-
1035 PM MDT Tue Aug 1 2017
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM MDT WEDNESDAY...
* Affected area: Fire Zone 105 (Flathead/Glacier Park).
Fire Zone 108 (East Lolo).
* Winds: East winds 10 to 20 mph, gusting to 30 mph at times.
* Minimum humidities: 12 to 22 percent humidity.
&&
$$537 WWUS85 KMSO 020928 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 328 AM MDT Wed Aug 2 2017 MTZ105-108-021030- /O.CAN.KMSO.FW.W.0004.000000T0000Z-170802T1200Z/ Flathead/Glacier Park-East Lolo- 328 AM MDT Wed Aug 2 2017 ...RED FLAG WARNING IS CANCELLED... The National Weather Service in Missoula has cancelled the Red Flag Warning. $$
Nearby
Red Flag Warnings in Montana, 2017Every red flag warning in 2017
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.