Alert archive / Montana / Red Flag Warnings in 2016
Red Flag Warning 3, NWS Great Falls, MT
NWS Great Falls, MT issued this red flag warning at Aug 2, 2016, 9:34 AM MDT for 8 counties in Montana. It took effect at Aug 2, 2016, 12:00 PM MDT. It was in force for 12 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 2, 2016, 9:34 AM MDT (15:34 UTC)
- In effect from
- Aug 2, 2016, 12:00 PM MDT
- Expired
- Aug 3, 2016, 12:00 AM MDT
- In force
- 12 hr
- Issued by
- NWS Great Falls, MT
Counties Broadwater County, MT, Cascade County, MT, Fergus County, MT, Gallatin County, MT, Jefferson County, MT, Judith Basin County, MT, Lewis and Clark County, MT, Meagher County, MT
The radar
The Great Falls radar (KTFX), 90 km from the middle of the area, began a volume at 15:35 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, 3.6 hours before the alert went out and 96 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
- 2996 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
308 WWUS85 KTFX 021534 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 934 AM MDT TUE AUG 2 2016 MTZ117-118-030345- /O.NEW.KTFX.FW.W.0003.160802T1800Z-160803T0600Z/ CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS- HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL FOREST- 934 AM MDT TUE AUG 2 2016 ...RED FLAG WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR LOW RELATIVE HUMIDITY...GUSTY WEST WINDS...AND A COLD FRONTAL PASSAGE FOR FIRE WEATHER ZONES 117 AND 118... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. * IMPACTS: LOW HUMIDITIES...HOT TEMPERATURES...AND WIND SHIFT WITH A COLD FRONT WILL CAUSE ANY FIRE THAT DEVELOP TO SPREAD RAPIDLY. * AFFECTED AREA: FIRE WEATHER ZONES 117 AND 118. * COLD FRONT: A COLD FRONTAL PASSAGE WILL OCCUR BETWEEN 9 PM MDT AND MIDNIGHT WITH WINDS SHIFTING WEST. * WIND: SOUTH WINDS 10 TO 20 MPH THIS AFTERNOON INCREASING AND SHIFTING WEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH WITH THE FRONTAL PASSAGE. * HUMIDITY: AS LOW AS 1O TO 15 PERCENT. * TEMPERATURES: UPPER 80S TO LOW 90S. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$ HTTP://WEATHER.GOV/GREATFALLS
2 follow-up statements
349 WWUS85 KTFX 022136 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 336 PM MDT TUE AUG 2 2016 MTZ117-118-030600- /O.CON.KTFX.FW.W.0003.000000T0000Z-160803T0600Z/ CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS- HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL FOREST- 336 PM MDT TUE AUG 2 2016 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR LOW RELATIVE HUMIDITY...GUSTY WEST WINDS...AND A COLD FRONTAL PASSAGE FOR FIRE WEATHER ZONES 117 AND 118... * IMPACTS: LOW HUMIDITIES...HOT TEMPERATURES...AND WIND SHIFT WITH A COLD FRONT WILL CAUSE ANY FIRE THAT DEVELOPS TO SPREAD RAPIDLY. * AFFECTED AREA: FIRE WEATHER ZONES 117 AND 118. * COLD FRONT: A COLD FRONTAL PASSAGE WILL OCCUR BETWEEN 8 PM MDT AND MIDNIGHT WITH WINDS SHIFTING WEST. * WIND: SOUTH WINDS 10 TO 20 MPH THIS AFTERNOON INCREASING AND SHIFTING WEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH WITH THE FRONTAL PASSAGE. * HUMIDITY: AS LOW AS 1O TO 15 PERCENT. * TEMPERATURES: UPPER 80S TO LOW 90S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$
695 WWUS85 KTFX 030551 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 1151 PM MDT TUE AUG 2 2016 MTZ117-118-030700- /O.EXP.KTFX.FW.W.0003.000000T0000Z-160803T0600Z/ CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS- HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL FOREST- 1151 PM MDT TUE AUG 2 2016 ...RED FLAG WARNING FOR LOW RELATIVE HUMIDITY...GUSTY WEST WINDS...AND A COLD FRONTAL PASSAGE WILL EXPIRE AT MIDNIGHT MDT TONIGHT FOR FIRE WEATHER ZONES 117 AND 118... THE COLD FRONT HAS MOVED ACROSS MOST OF CENTRAL AND SOUTHWEST MONTANA WITH WINDS HAVING SHIFTED TO THE WEST AND NORTHWEST AND HUMIDITY HAS INCREASED TO 20 PERCENT OR HIGHER. GUSTY WEST WINDS WILL CONTINUE THROUGH THE NIGHT HOWEVER AND LIKELY THROUGH WEDNESDAY AFTERNOON AS WELL. $$
Nearby
Red Flag Warnings in Montana, 2016Every red flag warning in 2016
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.