Alert archive / Montana / Red Flag Warnings in 2017
Red Flag Warning 2, NWS Missoula, MT
NWS Missoula, MT issued this red flag warning at Jul 19, 2017, 2:14 PM MDT for 9 counties in Montana. It took effect at Jul 20, 2017, 12:00 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 19, 2017, 2:14 PM MDT (20:14 UTC)
- In effect from
- Jul 20, 2017, 12:00 PM MDT
- Expired
- Jul 20, 2017, 9:00 PM MDT
- In force
- 9 hr
- Issued by
- NWS Missoula, MT
Counties Beaverhead County, MT, Deer Lodge County, MT, Granite County, MT, Jefferson County, MT, Lewis and Clark County, MT, Madison County, MT, Missoula County, MT, Powell County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 128 km from the middle of the area, began a volume at 20:13 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, 8.2 hours before the alert went out and 218 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
- 2777 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
877 WWUS85 KMSO 192014 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 214 PM MDT Wed Jul 19 2017 MTZ110-111-202015- /O.NEW.KMSO.FW.W.0002.170720T1800Z-170721T0300Z/ Deerlodge/West Beaverhead-East Beaverhead- 214 PM MDT Wed Jul 19 2017 ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT THURSDAY... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Winds: Southwest 15 to 25 mph with gusts to 35 mph. * Minimum humidities: 10 to 15 percent. && $$
2 follow-up statements
253 WWUS85 KMSO 201402 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 802 AM MDT Thu Jul 20 2017 MTZ108-210300- /O.EXA.KMSO.FW.W.0002.170720T1800Z-170721T0300Z/ East Lolo- 802 AM MDT Thu Jul 20 2017 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... * Affected area: Fire Zone 108 (East Lolo). * Winds: West 15 to 25 mph with gusts to 35 mph. * Minimum humidities: 13 to 18 percent. && $$ MTZ110-111-210300- /O.CON.KMSO.FW.W.0002.170720T1800Z-170721T0300Z/ Deerlodge/West Beaverhead-East Beaverhead- 802 AM MDT Thu Jul 20 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Winds: Southwest 15 to 25 mph with gusts to 35 mph. * Minimum humidities: 10 to 15 percent. && $$
361 WWUS85 KMSO 210250 RFWMSO URGENT - FIRE WEATHER MESSAGE National Weather Service Missoula MT 850 PM MDT Thu Jul 20 2017 MTZ110-111-210400- /O.EXP.KMSO.FW.W.0002.000000T0000Z-170721T0300Z/ Deerlodge/West Beaverhead-East Beaverhead- 850 PM MDT Thu Jul 20 2017 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING... Winds will continue to decrease late this evening and humidities are expected to improve overnight. && $$ MTZ108-210400- /O.EXP.KMSO.FW.W.0002.000000T0000Z-170721T0300Z/ East Lolo- 850 PM MDT Thu Jul 20 2017 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING... Winds will continue to decrease late this evening and humidities are expected to improve overnight. && $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 10:53 PM MDT | Special Weather Statement | MSO | Powell | 37 min |
| Jul 18, 11:29 PM MDT | Special Weather Statement | MSO | Powell | 16 min |
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.