Alert archive / Montana / Red Flag Warnings in 2015
Red Flag Warning 4, NWS Missoula, MT
NWS Missoula, MT issued this red flag warning at Aug 1, 2015, 4:19 AM MDT for 8 counties in Montana. It took effect at Aug 1, 2015, 2:00 PM MDT. It was in force for 7 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 1, 2015, 4:19 AM MDT (10:19 UTC)
- In effect from
- Aug 1, 2015, 2:00 PM MDT
- Expired
- Aug 1, 2015, 9:00 PM MDT
- In force
- 7 hr
- Issued by
- NWS Missoula, MT
Counties Flathead County, MT, Glacier County, MT, Lake County, MT, Lincoln County, MT, Mineral County, MT, Missoula County, MT, Powell County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 79 km from the middle of the area, began a volume at 10:23 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 00:00Z, 10.3 hours before the alert went out and 165 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
- 4502 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
139 WWUS85 KMSO 011019 RFWMSO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 419 AM MDT SAT AUG 1 2015 MTZ104>107-020300- /O.UPG.KMSO.FW.A.0003.150801T2000Z-150802T0300Z/ /O.NEW.KMSO.FW.W.0004.150801T2000Z-150802T0300Z/ KOOTENAI-FLATHEAD/GLACIER PARK-WEST LOLO- SALISH AND KOOTENAI RESERVATION- 419 AM MDT SAT AUG 1 2015 THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A RED FLAG WARNING FOR THE KOOTENAI...FLATHEAD/GLACIER PARK...WEST LOLO...SALISH AND KOOTENAI RESERVATION......WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM MDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * WINDS: WEST WINDS WILL INCREASE TO 10 TO 15 MPH WITH GUSTS AS HIGH AS 25 MPH BY MID AFTERNOON...CONTINUING INTO THE EARLY EVENING. * MINIMUM HUMIDITIES: RH SHOULD LOWER TO THE 6 TO 10 PERCENT RANGE IN THE VALLEYS AND 15 TO 20 PERCENT IN THE MOUNTAINS. * HAINES INDEX: THE HAINES SHOULD INCREASE TO A 5 OR 6...MEANING THERE IS A SIGNIFICANT POTENTIAL FOR AN EXISTING FIRE OR A NEW FIRE TO DEVELOP A VERY DEEP PLUME AND GUSTY WINDS. * TIMING: THE WIND IS EXPECTED TO START TO PICK UP AROUND 2 P.M. WITH THE RH BOTTOMING OUT AND MOST UNSTABLE CONDITIONS OCCURRING BETWEEN 4 AND 7 P.M. SATURDAY. $$
1 follow-up statement
882 WWUS85 KMSO 020300 RFWMSO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 900 PM MDT SAT AUG 1 2015 MTZ104>107-020400- /O.EXP.KMSO.FW.W.0004.000000T0000Z-150802T0300Z/ KOOTENAI-FLATHEAD/GLACIER PARK-WEST LOLO- SALISH AND KOOTENAI RESERVATION- 900 PM MDT SAT AUG 1 2015 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR FOR FIRE WEATHER ZONES 104...105...106 AND 107... HUMIDITY VALUES HAVE BEGUN TO RISE, WHILE WINDS ARE DECREASING AT MOST OBSERVATION SITES, SO THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE. $$
Nearby
Red Flag Warnings in Montana, 2015Every red flag warning in 2015
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.