Alert archive / Montana / Red Flag Warnings in 2017
Red Flag Warning 13, NWS Missoula, MT
NWS Missoula, MT issued this red flag warning at Sep 8, 2017, 11:57 AM MDT for 16 counties in Montana. It took effect at Sep 9, 2017, 2:00 PM MDT. It was in force for 7 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
- Sep 8, 2017, 11:57 AM MDT (17:57 UTC)
- In effect from
- Sep 9, 2017, 2:00 PM MDT
- Expired
- Sep 9, 2017, 9:00 PM MDT
- In force
- 7 hr
- Issued by
- NWS Missoula, MT
Counties Beaverhead County, MT, Deer Lodge County, MT, Flathead County, MT, Glacier County, MT, Granite County, MT, Jefferson County, MT, Lake County, MT, Lewis and Clark County, MT, Lincoln County, MT, Madison County, MT, Mineral County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Sanders County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 41 km from the middle of the area, began a volume at 17:58 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, 6.0 hours before the alert went out and 229 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
- 4006 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
653 WWUS85 KMSO 081757 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 1157 AM MDT Fri Sep 8 2017 IDZ102-103-081900- /O.CAN.KMSO.FW.A.0002.170909T2000Z-170910T0300Z/ Palouse/Hells Canyon-Clearwater/Nez Perce- 1057 AM PDT Fri Sep 8 2017 ...FIRE WEATHER WATCH IS CANCELLED... The National Weather Service in Missoula has cancelled the Fire Weather Watch. $$ MTZ104>111-091800- /O.UPG.KMSO.FW.A.0002.170909T2000Z-170910T0300Z/ /O.NEW.KMSO.FW.W.0013.170909T2000Z-170910T0300Z/ Kootenai-Flathead/Glacier Park-West Lolo- Salish and Kootenai Reservation-East Lolo-Bitterroot- Deerlodge/West Beaverhead-East Beaverhead- 1157 AM MDT Fri Sep 8 2017 ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 9 PM MDT SATURDAY... The Fire Weather Watch is no longer in effect. * Affected area: Fire Zone 104 (Kootenai). Fire Zone 105 (Flathead/Glacier Park). Fire Zone 106 (West Lolo). Fire Zone 107 (Salish and Kootenai Reservation). Fire Zone 108 (East Lolo). Fire Zone 109 (Bitterroot). Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Impacts: Strong westerly winds will begin early Saturday afternoon and continue to create widespread critical fire weather conditions through late Saturday evening. While humidity is not expected to fall to critical levels, winds will be strong enough to supersede humidity. * Winds: West 15 to 25 mph with gusts to 35 mph likely. Ridgetops could experience gusts over 40 mph, especially fires immediately along the Continental Divide. * Minimum humidities: 20 to 25 percent. && $$
2 follow-up statements
026 WWUS85 KMSO 092027 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 227 PM MDT Sat Sep 9 2017 MTZ104>111-100300- /O.CON.KMSO.FW.W.0013.000000T0000Z-170910T0300Z/ Kootenai-Flathead/Glacier Park-West Lolo- Salish and Kootenai Reservation-East Lolo-Bitterroot- Deerlodge/West Beaverhead-East Beaverhead- 227 PM MDT Sat Sep 9 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * Affected area: Fire Zone 104 (Kootenai). Fire Zone 105 (Flathead/Glacier Park). Fire Zone 106 (West Lolo). Fire Zone 107 (Salish and Kootenai Reservation). Fire Zone 108 (East Lolo). Fire Zone 109 (Bitterroot). Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Impacts: Strong westerly winds will develop this afternoon and create widespread critical fire weather conditions through late evening. While humidity is not expected to fall to critical levels, winds will be strong enough to supersede humidity. * Winds: West 15 to 25 mph with gusts to 35 mph likely. Ridgetops could experience gusts over 40 mph, especially fires immediately along the Continental Divide. * Minimum humidities: 20 to 25 percent. && $$
154 WWUS85 KMSO 100302 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 902 PM MDT Sat Sep 9 2017 MTZ104>111-100415- /O.EXP.KMSO.FW.W.0013.000000T0000Z-170910T0300Z/ Kootenai-Flathead/Glacier Park-West Lolo- Salish and Kootenai Reservation-East Lolo-Bitterroot- Deerlodge/West Beaverhead-East Beaverhead- 902 PM MDT Sat Sep 9 2017 ...RED FLAG WARNING HAS EXPIRED... * Affected area: Fire Zone 104 (Kootenai). Fire Zone 105 (Flathead/Glacier Park). Fire Zone 106 (West Lolo). Fire Zone 107 (Salish and Kootenai Reservation). Fire Zone 108 (East Lolo). Fire Zone 109 (Bitterroot). Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Impacts: && $$
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.