Alert archive / Montana / Red Flag Warnings in 2017
Red Flag Warning 10, NWS Missoula, MT
NWS Missoula, MT issued this red flag warning at Aug 29, 2017, 12:49 PM MDT for 15 counties in Montana; 5 counties in Idaho. It took effect at Aug 30, 2017, 1:00 PM MDT. It was in force for 32 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
- Aug 29, 2017, 12:49 PM MDT (18:49 UTC)
- In effect from
- Aug 30, 2017, 1:00 PM MDT
- Expired
- Aug 31, 2017, 9:00 PM MDT
- In force
- 32 hr
- Issued by
- NWS Missoula, MT
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, 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), 42 km from the middle of the area, began a volume at 18:50 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 30, 3:09 PM MDT | TSTM WND GST 49 | 13 Ene Sula, MT | MESONET STATION TEPM8, 13 ENE SULA. |
| Aug 30, 4:30 PM MDT | TSTM WND GST 47 | 4 Nnw Opportunity, MT | MESONET STATION K3U3, 3 NW OPPORTUNITY. |
| Aug 30, 5:30 PM MDT | DOWNBURST 0 | Helena, MT | VERY LARGE AIR TANKER LOST 1500 FEET DURING A DOWNBURST. HAD TO DROP ALL OF ITS RETARDANT TO CLIMB OUT OF IT. |
| Aug 30, 5:30 PM MDT | TSTM WND DMG | 3 N Helena, MT | REPORTS OF UPROOTED TREES AND TREES BROKE IN HALF AT THE TREASURE STATE ACRES SUBDIVISION IN NORTH HELENA. |
| Aug 30, 5:30 PM MDT | TSTM WND GST 53 | Helena, MT | FACEBOOK REPORT |
| Aug 30, 6:11 PM MDT | NON-TSTM WND GST 50 | 9 W Slate Creek, ID | MESONET STATION PLFI1, PITTSBURG LND 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, 6.8 hours before the alert went out and 209 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
- 3034 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
092 WWUS85 KMSO 291849 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 1249 PM MDT Tue Aug 29 2017 MTZ105>109-311900- /O.NEW.KMSO.FW.W.0010.170830T1900Z-170901T0300Z/ Flathead/Glacier Park-West Lolo-Salish and Kootenai Reservation- East Lolo-Bitterroot- 1249 PM MDT Tue Aug 29 2017 ...RED FLAG WARNING IN EFFECT FROM 1 PM WEDNESDAY TO 9 PM MDT THURSDAY... * 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: The initial concern will be with strong outflow winds and lightning from a combination of dry and wet thunderstorms Wednesday afternoon and evening. The threat will transition to dry and breezy conditions behind a weak cold front on Thursday. * Thunderstorms (Wednesday afternoon/evening): Potential outflow gust of 40 to 50 mph. * Winds (on Thursday): West winds 15 to 20 mph with gusts to 30 mph on ridgetops early Thursday morning then translating down to the valleys in the afternoon. * Minimum humidities (both days): 15 to 20 percent. && $$ MTZ110-111-311900- /O.NEW.KMSO.FW.W.0010.170830T1900Z-170901T0300Z/ Deerlodge/West Beaverhead-East Beaverhead- 1249 PM MDT Tue Aug 29 2017 ...RED FLAG WARNING IN EFFECT FROM 1 PM WEDNESDAY TO 9 PM MDT THURSDAY... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Impacts: The initial concern will be with strong outflow winds and lightning from a combination of dry and wet thunderstorms Wednesday afternoon and evening. The threat will transition to dry and breezy conditions behind a weak cold front on Thursday. * Thunderstorms (Wednesday afternoon/evening): Potential outflow gust of 40 to 50 mph. * Winds (on Thursday): West winds 15 to 20 mph with gusts to 30 mph on ridgetops mainly in the afternoon and evening. * Minimum humidities (both days): 15 to 20 percent. && $$ IDZ102-103-310300- /O.NEW.KMSO.FW.W.0010.170830T1900Z-170831T0300Z/ Palouse/Hells Canyon-Clearwater/Nez Perce- 1149 AM PDT Tue Aug 29 2017 ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM PDT WEDNESDAY... * Affected area: Fire Zone 102 (Palouse/Hells Canyon). Fire Zone 103 (Clearwater/Nez Perce). * Impacts: Strong outflow winds and lightning from a combination of dry and wet thunderstorms is expected Wednesday afternoon and evening. * Thunderstorms: Potential outflow gust of 40 to 50 mph. && $$ MTZ104-311900- /O.NEW.KMSO.FW.W.0011.170831T0600Z-170901T0300Z/ Kootenai- 1249 PM MDT Tue Aug 29 2017 ...RED FLAG WARNING IN EFFECT FROM MIDNIGHT WEDNESDAY NIGHT TO 9 PM MDT THURSDAY... * Affected area: Fire Zone 104 (Kootenai). * Impacts: Poor humidity recoveries early Thursday combined with gusty ridgetops winds, then dry and breezy conditions for all elevations Thursday afternoon and evening. * Winds: West winds 15 to 20 mph with gusts to 35 mph on ridgetops early Thursday morning then translating down to the valleys in the afternoon. * Minimum humidities: 15 to 20 percent. && $$
5 follow-up statements
185 WWUS85 KMSO 301059 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 459 AM MDT Wed Aug 30 2017 MTZ105>109-311100- /O.CON.KMSO.FW.W.0010.170830T1900Z-170901T0300Z/ Flathead/Glacier Park-West Lolo-Salish and Kootenai Reservation- East Lolo-Bitterroot- 459 AM MDT Wed Aug 30 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM MDT THURSDAY... * 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: The initial concern will be with strong outflow winds and lightning from a combination of dry and wet thunderstorms this afternoon and evening. The threat will transition to dry and breezy conditions along and behind cold front Thursday. * Thunderstorms (Wednesday afternoon/evening): Potential outflow gust of 40 to 50 mph. * Winds (tonight and Thursday): West winds 15 to 20 mph with gusts to 30 mph on ridgetops early Thursday morning then translating down to the valleys in the afternoon. * Minimum humidities (both days): 15 to 20 percent. && $$ MTZ110-111-311100- /O.CON.KMSO.FW.W.0010.170830T1900Z-170901T0300Z/ Deerlodge/West Beaverhead-East Beaverhead- 459 AM MDT Wed Aug 30 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM MDT THURSDAY... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Impacts: The initial concern will be with strong outflow winds and lightning from a combination of dry and wet thunderstorms this afternoon and evening. The threat will transition to dry and breezy conditions along and behind a cold front Thursday. * Thunderstorms (Wednesday afternoon/evening): Potential outflow gust of 40 to 50 mph. * Winds (on Thursday): West winds 15 to 20 mph with gusts to 30 mph on ridgetops mainly in the afternoon and evening. * Minimum humidities (both days): 15 to 20 percent. && $$ IDZ102-103-310300- /O.CON.KMSO.FW.W.0010.170830T1900Z-170831T0300Z/ Palouse/Hells Canyon-Clearwater/Nez Perce- 359 AM PDT Wed Aug 30 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM PDT THIS EVENING... * Affected area: Fire Zone 102 (Palouse/Hells Canyon). Fire Zone 103 (Clearwater/Nez Perce). * Impacts: Strong outflow winds and lightning from a combination of dry and wet thunderstorms is expected this afternoon and evening. * Thunderstorms: Potential outflow gust of 40 to 50 mph. && $$ MTZ104-311100- /O.CON.KMSO.FW.W.0011.170831T0600Z-170901T0300Z/ Kootenai- 459 AM MDT Wed Aug 30 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 PM MDT THURSDAY... * Affected area: Fire Zone 104 (Kootenai). * Impacts: Poor humidity recoveries early Thursday combined with gusty ridgetops winds, then dry and breezy conditions for all elevations Thursday afternoon and evening. * Winds: West winds 15 to 20 mph with gusts to 35 mph on ridgetops early Thursday morning then translating down to the valleys in the afternoon. * Minimum humidities: 15 to 20 percent. && $$
371 WWUS85 KMSO 301439 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 839 AM MDT Wed Aug 30 2017 MTZ104-311800- /O.EXT.KMSO.FW.W.0011.170830T1900Z-170901T0300Z/ Kootenai- 839 AM MDT Wed Aug 30 2017 ...RED FLAG WARNING NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM MDT THURSDAY... * Affected area: Fire Zone 104 (Kootenai). * Impacts: The initial concern will be strong outflow winds and lightning from a combination of dry and wet thunderstorms today. The threat will transition to dry and breezy conditions along and behind cold front Thursday beginning with gusty ridgetops winds early Thursday morning, then dry and breezy conditions for all elevations Thursday afternoon and evening. * Winds: West winds 15 to 20 mph with gusts to 35 mph on ridgetops early Thursday morning then translating down to the valleys in the afternoon. * Minimum humidities: 15 to 20 percent. && $$ MTZ105>109-311800- /O.CON.KMSO.FW.W.0010.170830T1900Z-170901T0300Z/ Flathead/Glacier Park-West Lolo-Salish and Kootenai Reservation- East Lolo-Bitterroot- 839 AM MDT Wed Aug 30 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM MDT THURSDAY... * Affected area: Fire Zone 105 (Flathead/Glacier Park). Fire Zone 106 (West Lolo). Fire Zone 107 (Salish and Kootenai Reservation). Fire Zone 108 (East Lolo). Fire Zone 109 (Bitterroot). * Impacts: The initial concern will be strong outflow winds and lightning from a combination of dry and wet thunderstorms this afternoon and evening. The threat will transition to dry and breezy conditions along and behind cold front Thursday. * Thunderstorms (Wednesday afternoon/evening): Potential outflow gust of 40 to 50 mph. * Winds (tonight and Thursday): West winds 15 to 20 mph with gusts to 30 mph on ridgetops early Thursday morning then translating down to the valleys in the afternoon. * Minimum humidities (both days): 15 to 20 percent. && $$ MTZ110-111-311800- /O.CON.KMSO.FW.W.0010.170830T1900Z-170901T0300Z/ Deerlodge/West Beaverhead-East Beaverhead- 839 AM MDT Wed Aug 30 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM MDT THURSDAY... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Impacts: The initial concern will be strong outflow winds and lightning from a combination of dry and wet thunderstorms this afternoon and evening. The threat will transition to dry and breezy conditions along and behind a cold front Thursday. * Thunderstorms (Wednesday afternoon/evening): Potential outflow gust of 40 to 50 mph. * Winds (on Thursday): West winds 15 to 20 mph with gusts to 30 mph on ridgetops mainly in the afternoon and evening. * Minimum humidities (both days): 15 to 20 percent. && $$ IDZ102-103-310300- /O.CON.KMSO.FW.W.0010.170830T1900Z-170831T0300Z/ Palouse/Hells Canyon-Clearwater/Nez Perce- 739 AM PDT Wed Aug 30 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM PDT THIS EVENING... * Affected area: Fire Zone 102 (Palouse/Hells Canyon). Fire Zone 103 (Clearwater/Nez Perce). * Impacts: Strong outflow winds and lightning from a combination of dry and wet thunderstorms is expected this afternoon and evening. * Thunderstorms: Potential outflow gust of 40 to 50 mph. && $$
023 WWUS85 KMSO 310248 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 848 PM MDT Wed Aug 30 2017 IDZ102-103-310700- /O.EXT.KMSO.FW.W.0010.000000T0000Z-170831T0700Z/ Palouse/Hells Canyon-Clearwater/Nez Perce- 748 PM PDT Wed Aug 30 2017 ...RED FLAG WARNING NOW IN EFFECT UNTIL MIDNIGHT PDT TONIGHT... * Affected area: Fire Zone 102 (Palouse/Hells Canyon). Fire Zone 103 (Clearwater/Nez Perce). * Impacts: Strong outflow winds and lightning from a combination of dry and wet thunderstorms will continue through midnight PDT. * Thunderstorms: Potential outflow gust of 35 to 50 mph. && $$ MTZ105>109-010300- /O.CON.KMSO.FW.W.0010.000000T0000Z-170901T0300Z/ Flathead/Glacier Park-West Lolo-Salish and Kootenai Reservation- East Lolo-Bitterroot- 848 PM MDT Wed Aug 30 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THURSDAY... * Affected area: Fire Zone 105 (Flathead/Glacier Park). Fire Zone 106 (West Lolo). Fire Zone 107 (Salish and Kootenai Reservation). Fire Zone 108 (East Lolo). Fire Zone 109 (Bitterroot). * Impacts: The threat will be transitioning to dry and breezy conditions along and behind a cold front Thursday. * Winds (tonight and Thursday): West winds 15 to 20 mph with gusts to 30 mph on ridgetops early Thursday morning then translating down to the valleys in the afternoon. * Minimum humidities (Thursday): 15 to 20 percent. && $$ MTZ110-111-010300- /O.CON.KMSO.FW.W.0010.000000T0000Z-170901T0300Z/ Deerlodge/West Beaverhead-East Beaverhead- 848 PM MDT Wed Aug 30 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THURSDAY... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Impacts: The initial concern will be strong outflow winds and lightning from a combination of dry and wet thunderstorms through tonight. The threat will transition to dry and breezy conditions along and behind a cold front Thursday. * Thunderstorms (Wednesday night): Potential outflow gust of 40 to 50 mph. * Winds (Thursday): West winds 15 to 20 mph with gusts to 30 mph on ridgetops mainly in the afternoon and evening. * Minimum humidities (Thursday): 15 to 20 percent. && $$ MTZ104-010300- /O.CON.KMSO.FW.W.0011.000000T0000Z-170901T0300Z/ Kootenai- 848 PM MDT Wed Aug 30 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THURSDAY... * Affected area: Fire Zone 104 (Kootenai). * Impacts: The threat will be transitioning to dry and breezy conditions along and behind cold front Thursday beginning with gusty ridgetops winds early Thursday morning, then dry and breezy conditions for all elevations Thursday afternoon and evening. * Winds: West winds 15 to 20 mph with gusts to 35 mph on ridgetops early Thursday morning then translating down to the valleys in the afternoon. * Minimum humidities: 15 to 20 percent. && $$
969 WWUS85 KMSO 310659 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 1259 AM MDT Thu Aug 31 2017 IDZ102-103-310800- /O.CAN.KMSO.FW.W.0010.000000T0000Z-170831T0700Z/ Palouse/Hells Canyon-Clearwater/Nez Perce- 1159 PM PDT Wed Aug 30 2017 ...RED FLAG WARNING IS CANCELLED... The National Weather Service in Missoula has cancelled the Red Flag Warning. The storms have moved out of the region. $$ MTZ105>109-010300- /O.CON.KMSO.FW.W.0010.000000T0000Z-170901T0300Z/ Flathead/Glacier Park-West Lolo-Salish and Kootenai Reservation- East Lolo-Bitterroot- 1259 AM MDT Thu Aug 31 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * Affected area: Fire Zone 105 (Flathead/Glacier Park). Fire Zone 106 (West Lolo). Fire Zone 107 (Salish and Kootenai Reservation). Fire Zone 108 (East Lolo). Fire Zone 109 (Bitterroot). * Impacts: The threat will be transitioning to dry and breezy conditions along and behind a cold front today. * Winds: West winds 15 to 20 mph with gusts to 30 mph on ridgetops during the morning then translating down to the valleys in the afternoon. * Minimum humidities: 15 to 20 percent. && $$ MTZ110-111-010300- /O.CON.KMSO.FW.W.0010.000000T0000Z-170901T0300Z/ Deerlodge/West Beaverhead-East Beaverhead- 1259 AM MDT Thu Aug 31 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: The threat transitions to dry and breezy conditions along and behind a cold front today. * Winds: West winds 15 to 20 mph with gusts to 30 mph on ridgetops mainly in the afternoon and evening. * Minimum humidities: 15 to 20 percent. && $$ MTZ104-010300- /O.CON.KMSO.FW.W.0011.000000T0000Z-170901T0300Z/ Kootenai- 1259 AM MDT Thu Aug 31 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * Affected area: Fire Zone 104 (Kootenai). * Impacts: The threat will be transitioning to dry and breezy conditions along and behind cold front today beginning with gusty ridgetops winds during the morning, then dry and breezy conditions for all elevations in the afternoon and evening. * Winds: West winds 15 to 20 mph with gusts to 35 mph on ridgetops during morning then translating down to the valleys in the afternoon. * Minimum humidities: 15 to 20 percent. && $$
370 WWUS85 KMSO 010249 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 849 PM MDT Thu Aug 31 2017 MTZ105>109-010400- /O.EXP.KMSO.FW.W.0010.000000T0000Z-170901T0300Z/ Flathead/Glacier Park-West Lolo-Salish and Kootenai Reservation- East Lolo-Bitterroot- 849 PM MDT Thu Aug 31 2017 ...RED FLAG WARNING WILL EXPIRE AT 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). && $$ MTZ110-111-010400- /O.EXP.KMSO.FW.W.0010.000000T0000Z-170901T0300Z/ Deerlodge/West Beaverhead-East Beaverhead- 849 PM MDT Thu Aug 31 2017 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). && $$ MTZ104-010400- /O.EXP.KMSO.FW.W.0011.000000T0000Z-170901T0300Z/ Kootenai- 849 PM MDT Thu Aug 31 2017 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING... * Affected area: Fire Zone 104 (Kootenai). && $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 12:49 PM MDT | Red Flag Warning | MSO | Flathead, Lincoln, Sanders | 56 hr |
| Aug 29, 5:39 PM MDT | Special Weather Statement | MSO | Lewis | 36 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.