Alert archive / Montana / Red Flag Warnings in 2017
Red Flag Warning 6, NWS Missoula, MT
NWS Missoula, MT issued this red flag warning at Aug 17, 2017, 11:56 AM MDT for 15 counties in Montana. It took effect at Aug 18, 2017, 12:00 PM MDT. It was in force for 33 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
- Aug 17, 2017, 11:56 AM MDT (17:56 UTC)
- In effect from
- Aug 18, 2017, 12:00 PM MDT
- Expired
- Aug 19, 2017, 9:00 PM MDT
- In force
- 33 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, 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), 29 km from the middle of the area, began a volume at 17:59 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
Spokane, WA (KOTX), launched 12:00Z, 5.9 hours before the alert went out and 225 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
- 2136 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
423 WWUS85 KMSO 171756 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 1156 AM MDT Thu Aug 17 2017 MTZ105>110-181800- /O.NEW.KMSO.FW.W.0006.170818T1800Z-170819T1200Z/ Flathead/Glacier Park-West Lolo-Salish and Kootenai Reservation- East Lolo-Bitterroot-Deerlodge/West Beaverhead- 1156 AM MDT Thu Aug 17 2017 ...RED FLAG WARNING IN EFFECT FROM NOON FRIDAY TO 6 AM MDT SATURDAY... * 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). Fire Zone 110 (Deerlodge/West Beaverhead). * Impacts/Timing: A dry cold front will create dry and breezy conditions beginning on the ridge tops early Friday afternoon, then into the lower elevations in the late afternoon and evening. Wind and dry conditions will likely occur on the midslopes and ridges well into Friday night. * Winds: West winds 15 to 20 mph with gusts to 30 mph through exposed areas. Peak winds are expected between 6 to 9 pm. * Minimum humidities: 8 to 18 percent. && $$ MTZ104-181800- /O.NEW.KMSO.FW.W.0006.170818T1800Z-170819T0300Z/ Kootenai- 1156 AM MDT Thu Aug 17 2017 ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT FRIDAY... * Affected area: Fire Zone 104 (Kootenai). * Impacts: A dry cold front will create dry and breezy conditions beginning on the ridge tops early Friday afternoon, then into the lower elevations in the late afternoon and evening. * Winds: West winds 15 to 20 mph with gusts to 30 mph through exposed areas. Peak winds are expected between 6 to 9 pm. * Minimum humidities: 12 to 20 percent && $$
6 follow-up statements
043 WWUS85 KMSO 181022 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 422 AM MDT Fri Aug 18 2017 MTZ105>110-191200- /O.CON.KMSO.FW.W.0006.170818T1800Z-170819T1200Z/ Flathead/Glacier Park-West Lolo-Salish and Kootenai Reservation- East Lolo-Bitterroot-Deerlodge/West Beaverhead- 422 AM MDT Fri Aug 18 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 AM MDT SATURDAY... * 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). Fire Zone 110 (Deerlodge/West Beaverhead). * Impacts/Timing: A dry cold front will create dry and breezy conditions beginning on the ridge tops early this afternoon, then into the lower elevations in the late afternoon and evening. Wind and dry conditions will likely occur on the midslopes and ridges well into the overnight hours tonight. * Winds: West winds 15 to 20 mph with gusts to 30 mph through exposed areas. Peak winds are expected between 6 to 9 pm. * Minimum humidities: 8 to 18 percent. && $$ MTZ104-190300- /O.CON.KMSO.FW.W.0006.170818T1800Z-170819T0300Z/ Kootenai- 422 AM MDT Fri Aug 18 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... * Affected area: Fire Zone 104 (Kootenai). * Impacts: A dry cold front will create dry and breezy conditions beginning on the ridge tops early this afternoon, then into the lower elevations in the late afternoon and evening. * Winds: West winds 15 to 20 mph with gusts to 30 mph through exposed areas. Peak winds are expected between 6 to 9 pm. * Minimum humidities: 12 to 20 percent && $$
698 WWUS85 KMSO 182003 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 203 PM MDT Fri Aug 18 2017 MTZ111-192015- /O.NEW.KMSO.FW.W.0007.170819T1800Z-170820T0300Z/ East Beaverhead- 203 PM MDT Fri Aug 18 2017 ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SATURDAY... * Affected area: Fire Zone 111 (East Beaverhead). * Impacts: A dry cold front will stall over the area Saturday, bringing breezy and dry conditions, starting late morning on the ridges and transitioning into the lower elevations by early afternoon. * Winds: West 15 to 20 mph with gusts to 30 mph through exposed areas. * Minimum humidities: 12 to 20 percent. && $$ MTZ110-192015- /O.EXT.KMSO.FW.W.0006.000000T0000Z-170820T0300Z/ Deerlodge/West Beaverhead- 203 PM MDT Fri Aug 18 2017 ...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT SATURDAY... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). * Impacts/Timing: A dry cold front will create dry and breezy conditions beginning this afternoon and lasting well into Friday night as the cold front passes. The front will stall across the area Saturday, continuing the windy conditions. * Winds: West winds 15 to 20 mph with gusts to 30 mph through exposed areas. Peak winds are expected between 6 to 9 pm. * Minimum humidities: 8 to 18 percent. && $$ MTZ105>109-191200- /O.CON.KMSO.FW.W.0006.000000T0000Z-170819T1200Z/ Flathead/Glacier Park-West Lolo-Salish and Kootenai Reservation- East Lolo-Bitterroot- 203 PM MDT Fri Aug 18 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY... * 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/Timing: A dry cold front will create dry and breezy conditions beginning this afternoon. Wind and dry conditions will likely occur on the midslopes and ridges well into the overnight hours tonight. * Winds: West winds 15 to 20 mph with gusts to 30 mph through exposed areas. Peak winds are expected between 6 to 9 pm. * Minimum humidities: 8 to 18 percent. && $$ MTZ104-190300- /O.CON.KMSO.FW.W.0006.000000T0000Z-170819T0300Z/ Kootenai- 203 PM MDT Fri Aug 18 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * Affected area: Fire Zone 104 (Kootenai). * Impacts: A dry cold front will create dry and breezy conditions beginning on the ridge tops early this afternoon, then into the lower elevations in the late afternoon and evening. * Winds: West winds 15 to 20 mph with gusts to 30 mph through exposed areas. Peak winds are expected between 6 to 9 pm. * Minimum humidities: 12 to 20 percent && $$
598 WWUS85 KMSO 190245 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 845 PM MDT Fri Aug 18 2017 MTZ104-190345- /O.EXP.KMSO.FW.W.0006.000000T0000Z-170819T0300Z/ Kootenai- 845 PM MDT Fri Aug 18 2017 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING... * Affected area: Fire Zone 104 (Kootenai). * Winds continue to decrease and humidity is increasing so the red flag warning has been allowed to expire. && $$ MTZ105>109-191200- /O.CON.KMSO.FW.W.0006.000000T0000Z-170819T1200Z/ Flathead/Glacier Park-West Lolo-Salish and Kootenai Reservation- East Lolo-Bitterroot- 845 PM MDT Fri Aug 18 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY... * Affected area: Fire Zone 105 (Flathead/Glacier Park). Fire Zone 106 (West Lolo). Fire Zone 107 (Salish and Kootenai Reservation). Fire Zone 108 (East Lolo). Fire Zone 109 (Bitterroot). * Impacts/Timing: A dry cold front will create dry and breezy conditions beginning this afternoon. Wind and dry conditions will likely occur on the midslopes and ridges well into the overnight hours tonight. * Winds: West winds 15 to 20 mph with gusts to 30 mph through exposed areas. Peak winds are expected between 6 to 9 pm. * Minimum humidities: 8 to 18 percent. && $$ MTZ110-200245- /O.CON.KMSO.FW.W.0006.000000T0000Z-170820T0300Z/ Deerlodge/West Beaverhead- 845 PM MDT Fri Aug 18 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SATURDAY... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). * Impacts/Timing: A dry cold front will create dry and breezy conditions beginning this afternoon and lasting well into Friday night as the cold front passes. The front will stall across the area Saturday, continuing the windy conditions. * Winds: West winds 15 to 20 mph with gusts to 30 mph through exposed areas. Peak winds are expected between 6 to 9 pm. * Minimum humidities: 8 to 18 percent. && $$ MTZ111-200245- /O.CON.KMSO.FW.W.0007.170819T1800Z-170820T0300Z/ East Beaverhead- 845 PM MDT Fri Aug 18 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT SATURDAY... * Affected area: Fire Zone 111 (East Beaverhead). * Impacts: A dry cold front will stall over the area Saturday, bringing breezy and dry conditions, starting late morning on the ridges and transitioning into the lower elevations by early afternoon. * Winds: West 15 to 20 mph with gusts to 30 mph through exposed areas. * Minimum humidities: 12 to 20 percent. && $$
110 WWUS85 KMSO 190924 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 324 AM MDT Sat Aug 19 2017 MTZ108-109-200300- /O.EXA.KMSO.FW.W.0007.170819T1800Z-170820T0300Z/ /O.CON.KMSO.FW.W.0006.000000T0000Z-170819T1200Z/ East Lolo-Bitterroot- 324 AM MDT Sat Aug 19 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS MORNING... ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... * Affected area: Fire Zone 108 (East Lolo). Fire Zone 109 (Bitterroot). * Impacts: A dry cold front will stall over the area today, bringing breezy and dry conditions, starting late morning on the ridges and transitioning into the lower elevations by early afternoon. * Winds: West 15 to 20 mph with gusts to 30 mph through exposed areas. * Minimum humidities: 12 to 20 percent. && $$ MTZ105>107-191200- /O.CON.KMSO.FW.W.0006.000000T0000Z-170819T1200Z/ Flathead/Glacier Park-West Lolo-Salish and Kootenai Reservation- 324 AM MDT Sat Aug 19 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS MORNING... * Affected area: Fire Zone 105 (Flathead/Glacier Park). Fire Zone 106 (West Lolo). Fire Zone 107 (Salish and Kootenai Reservation). * Impacts/Timing: Wind and dry conditions will likely occur on the midslopes and ridges early this morning. * Winds: West winds 15 to 20 mph with gusts to 30 mph through exposed areas. * Minimum humidities: 8 to 18 percent. && $$ MTZ110-200300- /O.CON.KMSO.FW.W.0006.000000T0000Z-170820T0300Z/ Deerlodge/West Beaverhead- 324 AM MDT Sat Aug 19 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). * Impacts/Timing: A dry cold front will stall across the area today, keeping dry and gusty conditions. * Winds: West winds 15 to 20 mph with gusts to 30 mph through exposed areas. * Minimum humidities: 8 to 18 percent. && $$ MTZ111-200300- /O.CON.KMSO.FW.W.0007.170819T1800Z-170820T0300Z/ East Beaverhead- 324 AM MDT Sat Aug 19 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... * Affected area: Fire Zone 111 (East Beaverhead). * Impacts: A dry cold front will stall over the area today, bringing breezy and dry conditions, starting late morning on the ridges and transitioning into the lower elevations by early afternoon. * Winds: West 15 to 20 mph with gusts to 30 mph through exposed areas. * Minimum humidities: 12 to 20 percent. && $$
768 WWUS85 KMSO 191132 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 532 AM MDT Sat Aug 19 2017 MTZ108-109-200300- /O.EXP.KMSO.FW.W.0006.000000T0000Z-170819T1200Z/ /O.CON.KMSO.FW.W.0007.170819T1800Z-170820T0300Z/ East Lolo-Bitterroot- 532 AM MDT Sat Aug 19 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... ...RED FLAG WARNING WILL EXPIRE AT 6 AM MDT EARLY THIS MORNING... * Affected area: Fire Zone 108 (East Lolo). Fire Zone 109 (Bitterroot). * Impacts: A dry cold front will stall over the area today, bringing breezy and dry conditions, starting late morning on the ridges and transitioning into the lower elevations by early afternoon. * Winds: West 15 to 20 mph with gusts to 30 mph through exposed areas. * Minimum humidities: 12 to 20 percent. && $$ MTZ105>107-191245- /O.EXP.KMSO.FW.W.0006.000000T0000Z-170819T1200Z/ Flathead/Glacier Park-West Lolo-Salish and Kootenai Reservation- 532 AM MDT Sat Aug 19 2017 ...RED FLAG WARNING WILL EXPIRE AT 6 AM MDT EARLY THIS MORNING... * Affected area: Fire Zone 105 (Flathead/Glacier Park). Fire Zone 106 (West Lolo). Fire Zone 107 (Salish and Kootenai Reservation). && $$ MTZ110-200300- /O.CON.KMSO.FW.W.0006.000000T0000Z-170820T0300Z/ Deerlodge/West Beaverhead- 532 AM MDT Sat Aug 19 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). * Impacts/Timing: A dry cold front will stall across the area today, keeping dry and gusty conditions persisting. * Winds: West winds 15 to 20 mph with gusts to 30 mph through exposed areas. * Minimum humidities: 8 to 18 percent. && $$ MTZ111-200300- /O.CON.KMSO.FW.W.0007.170819T1800Z-170820T0300Z/ East Beaverhead- 532 AM MDT Sat Aug 19 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... * Affected area: Fire Zone 111 (East Beaverhead). * Impacts: A dry cold front will stall over the area today, bringing breezy and dry conditions, starting late morning on the ridges and transitioning into the lower elevations by early afternoon. * Winds: West 15 to 20 mph with gusts to 30 mph through exposed areas. * Minimum humidities: 12 to 20 percent. && $$
315 WWUS85 KMSO 200249 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 849 PM MDT Sat Aug 19 2017 MTZ110-200400- /O.EXP.KMSO.FW.W.0006.000000T0000Z-170820T0300Z/ Deerlodge/West Beaverhead- 849 PM MDT Sat Aug 19 2017 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). * Winds continue to decrease and humidity is increasing so the red flag warning has been allowed to expire. && $$ MTZ111-200400- /O.EXP.KMSO.FW.W.0007.000000T0000Z-170820T0300Z/ East Beaverhead- 849 PM MDT Sat Aug 19 2017 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING... * Affected area: Fire Zone 111 (East Beaverhead). * Winds continue to decrease and humidity is increasing so the red flag warning has been allowed to expire. && $$ MTZ108-109-200400- /O.EXP.KMSO.FW.W.0007.000000T0000Z-170820T0300Z/ East Lolo-Bitterroot- 849 PM MDT Sat Aug 19 2017 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING... * Affected area: Fire Zone 108 (East Lolo). Fire Zone 109 (Bitterroot). * Winds continue to decrease and humidity is increasing so the red flag warning has been allowed to expire. && $$
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.