Alert archive / Montana / Red Flag Warnings in 2017
Red Flag Warning 5, NWS Missoula, MT
NWS Missoula, MT issued this red flag warning at Aug 11, 2017, 1:03 PM MDT for 16 counties in Montana; 5 counties in Idaho. It took effect at Aug 12, 2017, 2:00 PM MDT. It was in force for 31 hr. 3 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
- Aug 11, 2017, 1:03 PM MDT (19:03 UTC)
- In effect from
- Aug 12, 2017, 2:00 PM MDT
- Expired
- Aug 13, 2017, 9:00 PM MDT
- In force
- 31 hr
- Issued by
- NWS Missoula, MT
All 21 counties
Clearwater County, ID, Idaho County, ID, Latah County, ID, Lewis County, ID, Nez Perce County, ID, 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), 34 km from the middle of the area, began a volume at 19:05 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 |
|---|---|---|---|
| Aug 13, 3:55 PM MDT | NON-TSTM WND GST 46 | 2 Wnw East Helena, MT | ASOS STATION HLN, HELENA AP ASOS. |
| Aug 13, 4:43 PM MDT | NON-TSTM WND GST 41 | 3 Sw Cut Bank, MT | ASOS STATION CTB, CUT BANK AIRPORT. |
| Aug 13, 8:21 PM MDT | NON-TSTM WND GST 52 | 8 Se East Glacier Park, MT | MESONET STATION DCRM8, DEEP CREEK RAWS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 7.1 hours before the alert went out and 200 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
- 128 J/kg
- Mixed-layer CIN
- -281 J/kg
- Mixed-layer LCL
- 2944 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
640 WWUS85 KMSO 111903 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 103 PM MDT Fri Aug 11 2017 IDZ102-103-131915- /O.NEW.KMSO.FW.W.0005.170812T2000Z-170814T0300Z/ Palouse/Hells Canyon-Clearwater/Nez Perce- 1203 PM PDT Fri Aug 11 2017 ...RED FLAG WARNING IN EFFECT FROM 1 PM SATURDAY TO 8 PM PDT SUNDAY... * Affected area: Fire Zone 102 (Palouse/Hells Canyon). Fire Zone 103 (Clearwater/Nez Perce). * Impacts: Increased fire activity is expected due to low day daytime and overnight humidity and increasing haines on Saturday followed by a change to increased west winds on Sunday. * Winds: Increasing in the terrain Saturday night then west 12 to 20 mph by Sunday afternoon. * Minimum humidities: 15 to 20 percent Saturday. 20 to 25 percent Sunday. && $$ MTZ104>109-131915- /O.NEW.KMSO.FW.W.0005.170812T2000Z-170814T0300Z/ Kootenai-Flathead/Glacier Park-West Lolo- Salish and Kootenai Reservation-East Lolo-Bitterroot- 103 PM MDT Fri Aug 11 2017 ...RED FLAG WARNING IN EFFECT FROM 2 PM SATURDAY TO 9 PM MDT SUNDAY... * Affected area: Fire Zone 104 (Kootenai). Fire Zone 105 (Flathead/Glacier Park). Fire Zone 106 (West Lolo). Fire Zone 107 (Salish and Kootenai Reservation). Fire Zone 108 (East Lolo). Fire Zone 109 (Bitterroot). * Impacts:Increased fire activity is expected due to low day daytime and overnight humidity and increasing haines on Saturday followed by a change to increased west winds on Sunday. * Winds: Increasing in the terrain Saturday night then west 15 to 25 mph by Sunday afternoon. * Minimum humidities: 13 to 18 percent Saturday. 18 to 23 percent Sunday. && $$ MTZ110-111-131915- /O.NEW.KMSO.FW.W.0005.170812T2000Z-170814T0300Z/ Deerlodge/West Beaverhead-East Beaverhead- 103 PM MDT Fri Aug 11 2017 ...RED FLAG WARNING IN EFFECT FROM 2 PM SATURDAY TO 9 PM MDT SUNDAY... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Impacts: Increased fire activity is expected due to low day daytime and overnight humidity and increasing haines on Saturday followed by a change to increased west winds on Sunday. * Winds: West 15 to 25 mph by Sunday afternoon. * Minimum humidities: 13 to 18 percent Saturday. 20 to 25 percent Sunday. && $$
5 follow-up statements
113 WWUS85 KMSO 121716 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 1116 AM MDT Sat Aug 12 2017 MTZ104-131730- /O.EXT.KMSO.FW.W.0005.170812T2000Z-170813T2000Z/ Kootenai- 1116 AM MDT Sat Aug 12 2017 ...RED FLAG WARNING NOW IN EFFECT UNTIL 2 PM MDT SUNDAY... * Affected area: Fire Zone 104 (Kootenai). * Impacts: Increased fire activity is expected due to low daytime and overnight humidity and increasing haines today followed by a change to increased west winds during Sunday morning. * Winds: Increasing in the terrain tonight then west 15 to 25 mph during Sunday morning. * Minimum humidities: 13 to 18 percent today. 18 to 23 percent Sunday before increasing with the cold front. && $$ IDZ102-103-131730- /O.CON.KMSO.FW.W.0005.170812T2000Z-170814T0300Z/ Palouse/Hells Canyon-Clearwater/Nez Perce- 1016 AM PDT Sat Aug 12 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SUNDAY... * Affected area: Fire Zone 102 (Palouse/Hells Canyon). Fire Zone 103 (Clearwater/Nez Perce). * Impacts: Increased fire activity is expected due to low daytime and overnight humidity and increasing haines today followed by a change to increased west winds on Sunday. * Winds: Increasing in the terrain tonight then west 12 to 20 mph by Sunday afternoon. * Minimum humidities: 15 to 20 percent today. 20 to 25 percent Sunday. && $$ MTZ105>109-131730- /O.CON.KMSO.FW.W.0005.170812T2000Z-170814T0300Z/ Flathead/Glacier Park-West Lolo-Salish and Kootenai Reservation- East Lolo-Bitterroot- 1116 AM MDT Sat Aug 12 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY... * Affected area: Fire Zone 105 (Flathead/Glacier Park). Fire Zone 106 (West Lolo). Fire Zone 107 (Salish and Kootenai Reservation). Fire Zone 108 (East Lolo). Fire Zone 109 (Bitterroot). * Impacts: Increased fire activity is expected due to low daytime and overnight humidity and increasing haines today followed by a change to increased west winds on Sunday. * Winds: Increasing in the terrain tonight then west 15 to 25 mph by Sunday afternoon. * Minimum humidities: 13 to 18 percent today. 18 to 23 percent Sunday. && $$ MTZ110-111-131730- /O.CON.KMSO.FW.W.0005.170812T2000Z-170814T0300Z/ Deerlodge/West Beaverhead-East Beaverhead- 1116 AM MDT Sat Aug 12 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Impacts: Increased fire activity is expected due to low daytime and overnight humidity and increasing haines today followed by a change to increased west winds on Sunday. * Winds: West 15 to 25 mph by Sunday afternoon. * Minimum humidities: 13 to 18 percent today. 20 to 25 percent Sunday. && $$
866 WWUS85 KMSO 131048 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 448 AM MDT Sun Aug 13 2017 IDZ102-103-140300- /O.CON.KMSO.FW.W.0005.000000T0000Z-170814T0300Z/ Palouse/Hells Canyon-Clearwater/Nez Perce- 348 AM PDT Sun Aug 13 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * Affected area: Fire Zone 102 (Palouse/Hells Canyon). Fire Zone 103 (Clearwater/Nez Perce). * Impacts: A passing cold front this morning will cause gusty winds and a wind shift to a westerly direction. * Winds: Increasing in the terrain early this morning then west 12 to 20 mph by this afternoon. * Minimum humidities: 20 to 25 percent. The lowest humidities may occur with frontal passage this morning. && $$ MTZ105>109-140300- /O.CON.KMSO.FW.W.0005.000000T0000Z-170814T0300Z/ Flathead/Glacier Park-West Lolo-Salish and Kootenai Reservation- East Lolo-Bitterroot- 448 AM MDT Sun Aug 13 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * Affected area: 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). * Impacts: A passing cold front late this morning into the afternoon will cause gusty winds and a wind shift to a westerly direction. * Winds: Increasing in the terrain early this morning then west 15 to 25 mph with gusts to 30 mph by this afternoon. * Minimum humidities: 18 to 25 percent. && $$ MTZ110-111-140300- /O.CON.KMSO.FW.W.0005.000000T0000Z-170814T0300Z/ Deerlodge/West Beaverhead-East Beaverhead- 448 AM MDT Sun Aug 13 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Impacts: A passing cold front this afternoon will cause gusty winds and a wind shift to a westerly direction. * Winds: West 15 to 25 mph with gusts to 30 mph by this afternoon. * Minimum humidities: 20 to 25 percent Sunday. && $$ MTZ104-132000- /O.CON.KMSO.FW.W.0005.000000T0000Z-170813T2000Z/ Kootenai- 448 AM MDT Sun Aug 13 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 2 PM MDT THIS AFTERNOON... * Affected area: Fire Zone 104 (Kootenai). * Impacts: A passing cold front this morning will cause gusty winds and a wind shift to a westerly direction. * Winds: Increasing in the terrain early this morning then west 15 to 25 mph by mid morning. * Minimum humidities: 20 to 25 percent. The lowest humidities may occur with frontal passage this morning. && $$
193 WWUS85 KMSO 131541 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 941 AM MDT Sun Aug 13 2017 MTZ104-131645- /O.CAN.KMSO.FW.W.0005.000000T0000Z-170813T2000Z/ Kootenai- 941 AM MDT Sun Aug 13 2017 ...RED FLAG WARNING IS CANCELLED... The National Weather Service in Missoula has cancelled the Red Flag Warning. Humidities have greatly increased with more moisture on the way. Gusty westerly winds are still expected to be as high as 25 mph with the front. $$ IDZ102-103-140300- /O.CON.KMSO.FW.W.0005.000000T0000Z-170814T0300Z/ Palouse/Hells Canyon-Clearwater/Nez Perce- 841 AM PDT Sun Aug 13 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * Affected area: Fire Zone 102 (Palouse/Hells Canyon). Fire Zone 103 (Clearwater/Nez Perce). * Impacts: A passing cold front this morning will cause gusty winds and a wind shift to a westerly direction. * Winds: Increasing in the terrain early this morning then west 12 to 20 mph by this afternoon. * Minimum humidities: 20 to 25 percent. The lowest humidities may occur with frontal passage this morning. && $$ MTZ105>109-140300- /O.CON.KMSO.FW.W.0005.000000T0000Z-170814T0300Z/ Flathead/Glacier Park-West Lolo-Salish and Kootenai Reservation- East Lolo-Bitterroot- 941 AM MDT Sun Aug 13 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * Affected area: Fire Zone 105 (Flathead/Glacier Park). Fire Zone 106 (West Lolo). Fire Zone 107 (Salish and Kootenai Reservation). Fire Zone 108 (East Lolo). Fire Zone 109 (Bitterroot). * Impacts: A passing cold front late this morning into the afternoon will cause gusty winds and a wind shift to a westerly direction. * Winds: Increasing in the terrain early this morning then west 15 to 25 mph with gusts to 30 mph by this afternoon. * Minimum humidities: 18 to 25 percent. && $$ MTZ110-111-140300- /O.CON.KMSO.FW.W.0005.000000T0000Z-170814T0300Z/ Deerlodge/West Beaverhead-East Beaverhead- 941 AM MDT Sun Aug 13 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Impacts: A passing cold front this afternoon will cause gusty winds and a wind shift to a westerly direction. * Winds: West 15 to 25 mph with gusts to 30 mph by this afternoon. * Minimum humidities: 20 to 25 percent Sunday. && $$
108 WWUS85 KMSO 132030 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 230 PM MDT Sun Aug 13 2017 IDZ102-103-MTZ106-107-109-132130- /O.CAN.KMSO.FW.W.0005.000000T0000Z-170814T0300Z/ Palouse/Hells Canyon-Clearwater/Nez Perce-West Lolo- Salish and Kootenai Reservation-Bitterroot- 230 PM MDT Sun Aug 13 2017 /130 PM PDT Sun Aug 13 2017/ ...RED FLAG WARNING IS CANCELLED... The National Weather Service in Missoula has cancelled the Red Flag Warning. Widespread wetting rains and/or significant increases in relative humidity have prompted the red flag warning to be cancelled. $$ MTZ105-108-140300- /O.CON.KMSO.FW.W.0005.000000T0000Z-170814T0300Z/ Flathead/Glacier Park-East Lolo- 230 PM MDT Sun Aug 13 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * Affected area: Fire Zone 105 (Flathead/Glacier Park). Fire Zone 108 (East Lolo). * Impacts: A passing cold front late this afternoon will cause gusty winds and a wind shift to a westerly direction. * Winds: West 15 to 25 mph with gusts to 30 mph by this afternoon. * Minimum humidities: 18 to 25 percent. && $$ MTZ110-111-140300- /O.CON.KMSO.FW.W.0005.000000T0000Z-170814T0300Z/ Deerlodge/West Beaverhead-East Beaverhead- 230 PM MDT Sun Aug 13 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Impacts: A passing cold front this afternoon will cause gusty winds and a wind shift to a westerly direction. * Winds: West 15 to 25 mph with gusts to 30 mph by this afternoon. * Minimum humidities: 20 to 25 percent. && $$
639 WWUS85 KMSO 140236 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 836 PM MDT Sun Aug 13 2017 MTZ105-108-140345- /O.EXP.KMSO.FW.W.0005.000000T0000Z-170814T0300Z/ Flathead/Glacier Park-East Lolo- 836 PM MDT Sun Aug 13 2017 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING... * Affected area: Fire Zone 105 (Flathead/Glacier Park). Fire Zone 108 (East Lolo). && $$ MTZ110-111-140345- /O.EXP.KMSO.FW.W.0005.000000T0000Z-170814T0300Z/ Deerlodge/West Beaverhead-East Beaverhead- 836 PM MDT Sun Aug 13 2017 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). && $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 6:25 PM MDT | Special Weather Statement | MSO | Flathead | 65 min |
| Aug 10, 7:18 PM MDT | Special Weather Statement | MSO | Flathead | 72 min |
Nearby
Red Flag Warnings in Montana, 2017Red Flag Warnings in Idaho, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.