Alert archive / Montana / Red Flag Warnings in 2008
Red Flag Warning 9, NWS Missoula, MT
NWS Missoula, MT issued this red flag warning at Aug 29, 2008, 2:49 PM MDT for 7 counties in Montana. It took effect at Aug 30, 2008, 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
- Aug 29, 2008, 2:49 PM MDT (20:49 UTC)
- In effect from
- Aug 30, 2008, 12:00 PM MDT
- Expired
- Aug 30, 2008, 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, 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 20:52 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, 8.8 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1633 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS85 KMSO 292049 RFWMSO RED FLAG WARNING NATIONAL WEATHER SERVICE MISSOULA MT 249 PM MDT FRI AUG 29 2008 MTZ110-111-301200- /O.UPG.KMSO.FW.A.0006.080830T1800Z-080831T0300Z/ /O.NEW.KMSO.FW.W.0009.080830T1800Z-080831T0300Z/ DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD- 249 PM MDT FRI AUG 29 2008 ...RED FLAG WARNING IN EFFECT FROM 12 PM TO 9 PM MDT SATURDAY FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 12 PM TO 9 PM MDT SATURDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. AN APPROACHING LOW PRESSURE SYSTEM AND ASSOCIATED SURFACE COLD FRONT WILL MOVE THROUGH THE DISTRICT SATURDAY AFTERNOON. A TIGHTENING SURFACE PRESSURE GRADIENT AND MID LEVEL WINDS MIXING DOWN TO THE SURFACE WILL CREATE SUSTAINED WINDS OF 15-25 MPH WITH GUSTS AS HIGH AS 35 MPH. DRY AIR MOVING IN AHEAD OF THIS SYSTEM WILL LOWER RELATIVE HUMIDITIES INTO THE 10 TO 20 PERCENT RANGE. THESE FACTORS COMBINED WITH A HAINES INDEX OF 5 WILL SUPPORT A DANGEROUS FIRE WEATHER SITUATION. THERE IS A SLIGHT CHANCE OF ELEVATED THUNDERSTORMS...GUSTS STRONG WIND GUSTS CAN BE EXPECTED NEAR ANY STORMS THAT DO DEVELOP. A RED FLAG WARNING IS INTENDED TO ALERT LAND MANAGERS TO EXPECTED WEATHER CONDITIONS THAT WILL SIGNIFICANTLY INCREASE FIRE DANGER. $$
4 follow-up statements
000 WWUS85 KMSO 292055 CCA RFWMSO RED FLAG WARNING...CORRECTED NATIONAL WEATHER SERVICE MISSOULA MT 255 PM MDT FRI AUG 29 2008 MTZ110-111-301215- /O.UPG.KMSO.FW.A.0006.080830T1800Z-080831T0300Z/ /O.COR.KMSO.FW.W.0009.080830T1800Z-080831T0300Z/ DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD- 255 PM MDT FRI AUG 29 2008 ...RED FLAG WARNING IN EFFECT FROM 12 PM TO 9 PM MDT SATURDAY FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 12 PM TO 9 PM MDT SATURDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. AN APPROACHING LOW PRESSURE SYSTEM AND ASSOCIATED SURFACE COLD FRONT WILL MOVE THROUGH THE DISTRICT SATURDAY AFTERNOON. A TIGHTENING SURFACE PRESSURE GRADIENT AND MID LEVEL WINDS MIXING DOWN TO THE SURFACE WILL CREATE SUSTAINED WINDS OF 15-25 MPH WITH GUSTS AS HIGH AS 35 MPH. DRY AIR MOVING IN AHEAD OF THIS SYSTEM WILL LOWER RELATIVE HUMIDITIES INTO THE 10 TO 20 PERCENT RANGE. THESE FACTORS COMBINED WITH A HAINES INDEX OF 5 WILL SUPPORT A DANGEROUS FIRE WEATHER SITUATION. THERE IS A SLIGHT CHANCE OF ELEVATED THUNDERSTORMS...ERRATIC STRONG WIND GUSTS CAN BE EXPECTED NEAR ANY STORMS THAT DO DEVELOP. A RED FLAG WARNING IS INTENDED TO ALERT LAND MANAGERS TO EXPECTED WEATHER CONDITIONS THAT WILL SIGNIFICANTLY INCREASE FIRE DANGER. $$
000 WWUS85 KMSO 301104 RFWMSO RED FLAG WARNING NATIONAL WEATHER SERVICE MISSOULA MT 504 AM MDT SAT AUG 30 2008 MTZ110-111-302300- /O.CON.KMSO.FW.W.0009.080830T1800Z-080831T0300Z/ DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD- 504 AM MDT SAT AUG 30 2008 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD... A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING. AN APPROACHING LOW PRESSURE SYSTEM WILL USHER IN AN ASSOCIATED SURFACE COLD FRONT THROUGH THE DISTRICT THIS AFTERNOON. A TIGHTENING SURFACE PRESSURE GRADIENT AND MID LEVEL WINDS MIXING DOWN TO THE SURFACE WILL CREATE SUSTAINED WINDS OF 15-25 MPH WITH GUSTS AS HIGH AS 35 MPH. DRY AIR NEAR THE SURFACE AHEAD OF THIS SYSTEM WILL LOWER RELATIVE HUMIDITIES INTO THE 10 TO 20 PERCENT RANGE. THESE FACTORS COMBINED WITH A HAINES INDEX OF 5 WILL SUPPORT A DANGEROUS FIRE WEATHER SITUATION. IN ADDITION...ISOLATED ELEVATED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EARLY EVENING...WHICH MAY PRODUCE STRONG GUSTY ERRATIC WIND GUSTS. A RED FLAG WARNING IS INTENDED TO ALERT LAND MANAGERS TO EXPECTED WEATHER CONDITIONS THAT WILL SIGNIFICANTLY INCREASE FIRE DANGER. $$
000 WWUS85 KMSO 302111 RFWMSO RED FLAG WARNING NATIONAL WEATHER SERVICE MISSOULA MT 311 PM MDT SAT AUG 30 2008 MTZ111-310300- /O.CON.KMSO.FW.W.0009.000000T0000Z-080831T0300Z/ EAST BEAVERHEAD- 311 PM MDT SAT AUG 30 2008 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE EAST BEAVERHEAD... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. THE COMBINATION OF A WESTERLY PRESSURE GRADIENT AND MID LEVEL WINDS MIXING DOWN TO THE SURFACE WILL CREATE SUSTAINED WINDS OF 15-25 MPH WITH GUSTS UP TO 35 MPH. THESE WINDS COMBINED WITH LOWER HUMIDITIES IN THE 13 TO 20 PERCENT RANGE WILL CREATE DANGEROUS FIRE WEATHER CONDITIONS THROUGH THIS EVENING. IN ADDITION... ISOLATED ELEVATED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EARLY EVENING...WHICH MAY PRODUCE STRONG GUSTY ERRATIC WIND GUSTS. A RED FLAG WARNING IS INTENDED TO ALERT LAND MANAGERS TO EXPECTED WEATHER CONDITIONS THAT WILL SIGNIFICANTLY INCREASE FIRE DANGER. $$ MTZ110-310300- /O.CON.KMSO.FW.W.0009.000000T0000Z-080831T0300Z/ DEERLODGE/WEST BEAVERHEAD- 311 PM MDT SAT AUG 30 2008 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE DEERLODGE/WEST BEAVERHEAD... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. THE COMBINATION OF A WESTERLY PRESSURE GRADIENT AND MID LEVEL WINDS MIXING DOWN TO THE SURFACE WILL CREATE SUSTAINED WINDS OF 15-25 MPH WITH GUSTS UP TO 35 MPH. THESE WINDS COMBINED WITH LOWER HUMIDITIES IN THE 13 TO 20 PERCENT RANGE WILL CREATE DANGEROUS FIRE WEATHER CONDITIONS THROUGH THIS EVENING. IN ADDITION... ISOLATED ELEVATED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EARLY EVENING...WHICH MAY PRODUCE STRONG GUSTY ERRATIC WIND GUSTS. A RED FLAG WARNING IS INTENDED TO ALERT LAND MANAGERS TO EXPECTED WEATHER CONDITIONS THAT WILL SIGNIFICANTLY INCREASE FIRE DANGER. $$
000 WWUS85 KMSO 310241 RFWMSO RED FLAG WARNING NATIONAL WEATHER SERVICE MISSOULA MT 841 PM MDT SAT AUG 30 2008 MTZ110-111-310345- /O.EXP.KMSO.FW.W.0009.000000T0000Z-080831T0300Z/ DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD- 841 PM MDT SAT AUG 30 2008 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS THE DEERLODGE/WEST BEAVERHEAD...EAST BEAVERHEAD... THE RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING. TODAYS GUSTY WINDS HAVE DIED DOWN AND THE VERY LOW RELATIVE HUMIDITY LEVELS HAVE BEGUN TO RISE. AS A RESULT...RED FLAG CONDITIONS ARE NO LONGER BEING MET. THEREFORE THE RED FLAG WARNING THAT WAS IN EFFECT FOR SOUTHWEST MONTANA HAS BEEN ALLOWED TO EXPIRE. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 7:45 AM MDT | Wind Advisory | MSO | Flathead, Lake | 24 hr |
Nearby
Red Flag Warnings in Montana, 2008Every red flag warning in 2008
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.