Alert archive / Montana / Red Flag Warnings in 2007
Red Flag Warning 7, NWS Missoula, MT
NWS Missoula, MT issued this red flag warning at Jul 19, 2007, 4:28 AM MDT for 7 counties in Montana. It took effect at Jul 19, 2007, 3:00 PM MDT. It was in force for 6 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, 2007, 4:28 AM MDT (10:28 UTC)
- In effect from
- Jul 19, 2007, 3:00 PM MDT
- Expired
- Jul 19, 2007, 8:53 PM MDT
- In force
- 6 hr
- Issued by
- NWS Missoula, MT
Counties Beaverhead County, MT, Deer Lodge County, MT, Granite County, MT, Jefferson County, MT, Madison County, MT, Powell County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 154 km from the middle of the area, began a volume at 10:30 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 00:00Z, 10.5 hours before the alert went out and 231 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
- 307 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 2891 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS85 KMSO 191028 RFWMSO RED FLAG WARNING NATIONAL WEATHER SERVICE MISSOULA MT 428 AM MDT THU JUL 19 2007 MTZ108-191130- /O.CAN.KMSO.FW.A.0007.070719T2100Z-070720T0300Z/ EAST LOLO- 428 AM MDT THU JUL 19 2007 ...FIRE WEATHER WATCH IS CANCELLED FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE EAST LOLO... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE FIRE WEATHER WATCH. THE WINDS ARE NOT EXPECTED TO GET AS BREEZY AS PREVIOUSLY FORECAST. THEREFORE THE FIRE WEATHER WATCH HAS BEEN CANCELLED. $$ MTZ110-111-192100- /O.UPG.KMSO.FW.A.0007.070719T2100Z-070720T0300Z/ /O.NEW.KMSO.FW.W.0007.070719T2100Z-070720T0300Z/ DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD- 428 AM MDT THU JUL 19 2007 ...RED FLAG WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD (ZONES 110-111)... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM MDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. AN INCREASING PRESSURE GRADIENT FROM A SURFACE FRONT MOVING THROUGH THE DISTRICT COMBINED WITH AN UNSTABLE ATMOSPHERE WILL RESULT IN GUSTY SOUTHWEST SURFACE WINDS ACROSS THE BEAVERHEAD- DEERLODGE AREA THIS AFTERNOON AND EVENING. THESE WINDS ALONG WITH MINIMUM RELATIVE HUMIDITIES IN THE MID TEENS TO LOWER 20S WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
2 follow-up statements
000 WWUS85 KMSO 192046 RFWMSO RED FLAG WARNING NATIONAL WEATHER SERVICE MISSOULA MT 246 PM MDT THU JUL 19 2007 MTZ110-111-200300- /O.CON.KMSO.FW.W.0007.070719T2100Z-070720T0300Z/ DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD- 246 PM MDT THU JUL 19 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD (ZONES 110-111)... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. A STRONG PRESSURE GRADIENT ASSOCIATED WITH A SURFACE FRONT MOVING THROUGH THE DISTRICT...COMBINED WITH UNSTABLE ATMOSPHERIC CONDITIONS HAVE RESULTED IN GUSTY SOUTHWEST SURFACE WINDS ACROSS THE BEAVERHEAD-DEERLODGE AREA THIS AFTERNOON. THESE WINDS ALONG WITH RELATIVE HUMIDITIES IN THE MID TEENS HAS CREATED CRITICAL FIRE WEATHER CONDITIONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
000 WWUS85 KMSO 200253 RFWMSO RED FLAG WARNING NATIONAL WEATHER SERVICE MISSOULA MT 853 PM MDT THU JUL 19 2007 MTZ110-111-200400- /O.CAN.KMSO.FW.W.0007.000000T0000Z-070720T0300Z/ DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD- 853 PM MDT THU JUL 19 2007 ...RED FLAG WARNING IS CANCELLED FOR THE DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE RED FLAG WARNING. WINDS WILL CONTINUE TO DECREASE THROUGH THE REST OF THE EVENING...ENDING THE PERIOD OF CRITICAL FIRE WEATHER CONDITIONS. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 6:19 PM MDT | Severe Thunderstorm Warning | MSO | Mineral, Sanders | 56 min |
| Jul 18, 7:28 PM MDT | Severe Thunderstorm Warning | MSO | Sanders | 9 min |
| Jul 18, 7:32 PM MDT | Tornado Warning | MSO | Lake, Sanders | 28 min |
| Jul 18, 7:59 PM MDT | Tornado Warning | MSO | Lake | 46 min |
| Jul 18, 8:24 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 51 min |
| Jul 18, 8:29 PM MDT | Severe Thunderstorm Warning | MSO | Lincoln | 46 min |
| Jul 18, 8:38 PM MDT | Tornado Warning | MSO | Flathead, Lake | 52 min |
| Jul 18, 9:08 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 67 min |
| Jul 18, 9:10 PM MDT | Severe Thunderstorm Warning | MSO | Lincoln | 50 min |
| Jul 18, 9:23 PM MDT | Flash Flood Warning | MSO | Flathead, Lincoln | 3 hr |
| Jul 18, 9:37 PM MDT | Severe Thunderstorm Warning | MSO | Sanders | 38 min |
| Jul 18, 10:07 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 38 min |
| Jul 18, 11:18 PM MDT | Severe Thunderstorm Warning | MSO | Lincoln | 42 min |
| Jul 19, 12:16 AM MDT | Severe Thunderstorm Warning | MSO | Lincoln | 29 min |
| Jul 19, 1:43 AM MDT | Severe Thunderstorm Warning | MSO | Lincoln | 32 min |
Nearby
Red Flag Warnings in Montana, 2007Every red flag warning in 2007
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.