Alert archive / Montana / Red Flag Warnings in 2017
Red Flag Warning 3, NWS Great Falls, MT
NWS Great Falls, MT issued this red flag warning at Jul 7, 2017, 2:43 PM MDT for Blaine County, Hill County, Phillips County, Montana. It took effect at Jul 8, 2017, 12:00 PM MDT. It was in force for 10 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 7, 2017, 2:43 PM MDT (20:43 UTC)
- In effect from
- Jul 8, 2017, 12:00 PM MDT
- Expired
- Jul 8, 2017, 10:29 PM MDT
- In force
- 10 hr
- Issued by
- NWS Great Falls, MT
Counties Blaine County, MT, Hill County, MT, Phillips County, MT
The radar
The Glasgow radar (KGGW), 177 km from the middle of the area, began a volume at 20:48 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, 8.7 hours before the alert went out and 162 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
- 3205 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -85 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
090 WWUS85 KTFX 072043 RFWTFX URGENT - FIRE WEATHER MESSAGE National Weather Service Great Falls MT 243 PM MDT Fri Jul 7 2017 MTZ113-081500- /O.UPG.KTFX.FW.A.0002.170708T1900Z-170709T0300Z/ /O.NEW.KTFX.FW.W.0003.170708T1800Z-170709T0600Z/ Hill and Blaine Counties- 243 PM MDT Fri Jul 7 2017 ...RED FLAG WARNING IN EFFECT FROM NOON SATURDAY TO MIDNIGHT MDT SATURDAY NIGHT... The National Weather Service in Great Falls has issued a Red Flag Warning, which is in effect from noon Saturday to midnight MDT Saturday night. the Fire Weather Watch is no longer in effect. * IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Wind will create erratic fire behavior and new fire starts difficult to contain. * AFFECTED AREA: In North Central Montana, Fire Weather Zone 113. * COUNTIES AFFECTED: In North Central Montana, Blaine, Chouteau, Hill, Phillips. * WIND: Northwest 10 to 15 mph with gusts up to 30 mph. * HUMIDITY: As low as 13 percent. * TEMPERATURES: Mid 90s to as high as 103 degrees. * THUNDERSTORMS: An isolated afternoon thunderstorm producing little precipitation and gusty outflow winds is possible, however, confidence in the development of thunderstorms is very low. 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. && $$ http://weather.gov/greatfalls
4 follow-up statements
574 WWUS85 KTFX 081000 RFWTFX URGENT - FIRE WEATHER MESSAGE National Weather Service Great Falls MT 400 AM MDT Sat Jul 8 2017 MTZ113-082200- /O.CON.KTFX.FW.W.0003.170708T1800Z-170709T0600Z/ Hill and Blaine Counties- 400 AM MDT Sat Jul 8 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT TONIGHT... * IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds will create erratic fire behavior and new fire starts will be difficult to contain. * AFFECTED AREA: In North Central Montana, Fire Weather Zone 113. * COUNTIES AFFECTED: In North Central Montana, Blaine, Chouteau, Hill, Phillips. * WIND: Northwest 10 to 20 mph...with gusts up to 30 mph. * HUMIDITY: As low as 12 percent. * TEMPERATURES: Mid 90s to lower 100's. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ http://weather.gov/greatfalls
075 WWUS85 KTFX 081624 RFWTFX URGENT - FIRE WEATHER MESSAGE National Weather Service Great Falls MT 1024 AM MDT Sat Jul 8 2017 MTZ113-090600- /O.CON.KTFX.FW.W.0003.170708T1800Z-170709T0600Z/ Hill and Blaine Counties- 1024 AM MDT Sat Jul 8 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY UNTIL MIDNIGHT MDT TONIGHT... * IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds will create erratic fire behavior and new fire starts will be difficult to contain. * AFFECTED AREA: In North Central Montana, Fire Weather Zone 113. * COUNTIES AFFECTED: In North Central Montana, Blaine, Chouteau, Hill, Phillips. * WIND: Northwest 10 to 20 mph, with gusts up to 30 mph. * HUMIDITY: As low as 11 percent. * TEMPERATURES: Mid-90s to lower 100's. * SHOWERS/THUNDERSTORMS: Erratic and gusty winds will be possible beneath any collapsing shower or thunderstorm. 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. && $$ http://weather.gov/greatfalls
997 WWUS85 KTFX 082036 RFWTFX URGENT - FIRE WEATHER MESSAGE National Weather Service Great Falls MT 236 PM MDT Sat Jul 8 2017 MTZ113-090600- /O.CON.KTFX.FW.W.0003.000000T0000Z-170709T0600Z/ Hill and Blaine Counties- 236 PM MDT Sat Jul 8 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds will create erratic fire behavior and new fire starts will be difficult to contain. * AFFECTED AREA: In North Central Montana, Fire Weather Zone 113. * COUNTIES AFFECTED: In North Central Montana, Blaine, Chouteau, Hill, Phillips. * WIND: Northwest 10 to 20 mph with gusts up to 30 mph. * HUMIDITY: As low as 11 percent. * TEMPERATURES: Mid-90s to lower 100's. * SHOWERS: Erratic and gusty winds will be possible beneath any collapsing shower this afternoon. Little to no precipitation is expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ http://weather.gov/greatfalls
826 WWUS85 KTFX 090429 RFWTFX URGENT - FIRE WEATHER MESSAGE National Weather Service Great Falls MT 1029 PM MDT Sat Jul 8 2017 MTZ113-090530- /O.CAN.KTFX.FW.W.0003.000000T0000Z-170709T0600Z/ Hill and Blaine Counties- 1029 PM MDT Sat Jul 8 2017 ...RED FLAG WARNING IS CANCELLED... The National Weather Service in Great Falls has cancelled the Red Flag Warning for Hill and Blaine Counties. Relative humidity has risen above 20 percent for most of the area and winds have generally decreased to less than 10 mph. $$ http://weather.gov/greatfalls
The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 6:36 PM MDT | Special Weather Statement | TFX | Broadwater, Cascade, Chouteau, Jefferson, Judith Basin, Lewis and Clark and 2 more | 54 min |
| Jul 6, 10:11 PM MDT | Special Weather Statement | TFX | Beaverhead, Broadwater, Gallatin, Jefferson, Madison | 34 min |
| Jul 7, 3:37 AM MDT | Fire Weather Watch | TFX | Blaine, Hill, Phillips | 11 hr |
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.