Alert archive / Montana / Red Flag Warnings in 2017
Red Flag Warning 21, NWS Great Falls, MT
NWS Great Falls, MT issued this red flag warning at Sep 9, 2017, 9:25 AM MDT for 14 counties in Montana. It took effect at Sep 10, 2017, 12:00 PM MDT. It was in force for 35 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
- Sep 9, 2017, 9:25 AM MDT (15:25 UTC)
- In effect from
- Sep 10, 2017, 12:00 PM MDT
- Expired
- Sep 11, 2017, 11:14 PM MDT
- In force
- 35 hr
- Issued by
- NWS Great Falls, MT
Counties Blaine County, MT, Cascade County, MT, Chouteau County, MT, Fergus County, MT, Glacier County, MT, Hill County, MT, Judith Basin County, MT, Lewis and Clark County, MT, Liberty County, MT, Meagher County, MT, Phillips County, MT, Pondera County, MT, Teton County, MT, Toole County, MT
The radar
The Great Falls radar (KTFX), 63 km from the middle of the area, began a volume at 15:30 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 12:00Z, 3.4 hours before the alert went out and 51 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
- 2848 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
398
WWUS85 KTFX 091525
RFWTFX
URGENT - FIRE WEATHER MESSAGE
National Weather Service Great Falls MT
925 AM MDT Sat Sep 9 2017
MTZ113-115-100630-
/O.UPG.KTFX.FW.A.0015.170910T1800Z-170911T0600Z/
/O.NEW.KTFX.FW.W.0021.170910T1800Z-170911T0600Z/
/O.EXA.KTFX.FW.W.0020.170909T1800Z-170910T0600Z/
Hill and Blaine Counties-Chouteau and Fergus Counties-
925 AM MDT Sat Sep 9 2017
...RED FLAG WARNING FOR LOW HUMIDITY AND STRONG GUSTY WINDS IN
EFFECT FROM NOON TODAY TO MIDNIGHT MDT TONIGHT...
...RED FLAG WARNING FOR LOW HUMIDITY AND STRONG GUSTY WINDS IN
EFFECT FROM NOON SUNDAY TO MIDNIGHT MDT SUNDAY NIGHT...
The National Weather Service in Great Falls has issued a Red Flag
Warning, which is in effect from noon today to midnight MDT
tonight. a Red Flag Warning has also been issued from noon Sunday
to midnight MDT Sunday night. the Fire Weather Watch is no longer
in effect.
* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...
Strong Gusty Winds...and Isolated Dry Thunderstorms will create
erratic fire behavior and an increased risk of new fire starts.
* AFFECTED AREA:
In North Central Montana, Fire Weather Zones 113 and 115.
* COUNTIES AFFECTED:
In Central Montana, Fergus.
In North Central Montana, Blaine, Chouteau, Hill.
* WIND: West 10 to 20 mph with gusts up to 35 mph.
* THUNDERSTORMS: Scattered showers and possibly a thunderstorm will
cause gusty and erratic outflow winds as well as the possibility
of lightning-caused fire starts.
* HUMIDITY: As low as 13 percent.
* TEMPERATURES: In the upper 70s.
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.
&&
$$
MTZ112-114-117-100630-
/O.UPG.KTFX.FW.A.0015.170910T1800Z-170911T0600Z/
/O.NEW.KTFX.FW.W.0021.170910T1800Z-170911T0600Z/
/O.CON.KTFX.FW.W.0020.170909T1800Z-170910T0600Z/
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
Central and Eastern Lewis and Clark National Forest Areas-
925 AM MDT Sat Sep 9 2017
...RED FLAG WARNING FOR LOW HUMIDITY AND STRONG GUSTY WINDS REMAINS
IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT TONIGHT...
...RED FLAG WARNING FOR LOW HUMIDITY AND STRONG GUSTY WINDS IN
EFFECT FROM NOON SUNDAY TO MIDNIGHT MDT SUNDAY NIGHT...
The National Weather Service in Great Falls has issued a Red Flag
Warning, which is in effect from noon Sunday to midnight MDT
Sunday night. the Fire Weather Watch is no longer in effect.
* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...
Strong Gusty Winds...and Dry Thunderstorms with gusty and
erratic outflow winds will create erratic fire behavior and an
increased risk of new fire starts.
* AFFECTED AREA:
In North Central Montana, Fire Weather Zones 112, 114 and 117.
* COUNTIES AFFECTED:
In Central Montana, Cascade, Fergus, Judith Basin
Lewis and Clark, Meagher.
In North Central Montana, Glacier, Liberty, Pondera, Teton
Toole.
* WIND (lower elevations): West 10 to 20 mph with gusts up to 30
mph.
* WIND (mid to upper slopes and ridges): West 15 to 25 mph with
gusts up to 45 mph. The wind will continue through tonight, but
will be accompanied by rising humidity.
* HUMIDITY: As low as 15 percent.
* THUNDERSTORMS: Isolated dry thunderstorms possible this
afternoon and evening in Fire Zone 117.
* WIND: West 20 to 30 mph with gusts up to 35 mph.
* TEMPERATURES: In the lower 70s.
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.
&&
$$
MTZ118-100600-
/O.CON.KTFX.FW.W.0020.170909T1800Z-170910T0600Z/
Helena and Townsend Ranger Districts of the Helena National Forest-
925 AM MDT Sat Sep 9 2017
...RED FLAG WARNING FOR LOW HUMIDITY AND STRONG GUSTY WINDS REMAINS
IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT TONIGHT...
* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...
Strong Gusty Winds...and Isolated Dry Thunderstorms with gusty
and erratic outflow winds will create erratic fire behavior and
an increased risk of new fire starts.
* AFFECTED AREA:
In Southwest Montana, Fire Weather Zone 118.
* COUNTIES AFFECTED:
In Central Montana, Cascade, Lewis and Clark, Meagher.
In Southwest Montana, Broadwater, Gallatin, Jefferson.
* WIND: Southwest 10 to 20 mph with gusts up to 30 mph.
* HUMIDITY: As low as 19 percent.
* THUNDERSTORMS: Isolated to scattered this afternoon and evening.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of gusty
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.
&&
$$
MTZ116-100630-
/O.CON.KTFX.FW.W.0020.170909T1800Z-170910T1200Z/
Lincoln Ranger District of the Helena National Forest-
925 AM MDT Sat Sep 9 2017
...RED FLAG WARNING REMAINS IN EFFECT FOR STRONG GUSTY WINDS AND
LOW HUMIDITY FROM NOON TODAY TO 6 AM MDT SUNDAY...
* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...
Strong Gusty Winds...and Dry Thunderstorms with gusty and
erratic outflow winds will create erratic fire behavior and an
increased risk of new fire starts.
* AFFECTED AREA:
In Southwest Montana, Fire Weather Zone 116.
* COUNTIES AFFECTED:
In Central Montana, Lewis and Clark.
In Southwest Montana, Jefferson.
* WIND (valleys): West 5 to 15 mph with gusts up to 25 mph.
* WIND (mid to upper slopes and ridges): West 10 to 20 mph with
gusts up to 35 mph. Even with increasing humidity, the wind
will remain strong through tonight.
* HUMIDITY: As low as 25 percent.
* THUNDERSTORMS: Isolated dry this afternoon and evening.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of strong
winds, low relative humidity, and warm temperatures can contribute
to extreme fire behavior.
Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.
&&
$$
http://weather.gov/greatfalls10 follow-up statements
975
WWUS85 KTFX 092048
RFWTFX
URGENT - FIRE WEATHER MESSAGE
National Weather Service Great Falls MT
248 PM MDT Sat Sep 9 2017
MTZ112>115-117-101200-
/O.CON.KTFX.FW.W.0020.000000T0000Z-170910T0600Z/
/O.CON.KTFX.FW.W.0021.170910T1800Z-170911T0600Z/
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
Hill and Blaine Counties-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-Chouteau and Fergus Counties-
Central and Eastern Lewis and Clark National Forest Areas-
248 PM MDT Sat Sep 9 2017
...RED FLAG WARNING FOR LOW HUMIDITY AND STRONG GUSTY WINDS REMAINS
IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...
...RED FLAG WARNING FOR LOW HUMIDITY AND STRONG GUSTY WINDS REMAINS
IN EFFECT FROM NOON SUNDAY TO MIDNIGHT MDT SUNDAY NIGHT...
* IMPACTS: Low Humidities...Strong Gusty Winds...and Dry
Thunderstorms with gusty and erratic outflow winds will create
erratic fire behavior and an increased risk of new fire starts.
* AFFECTED AREA:
In North Central Montana, Fire Weather Zones 112, 113, 114,
115 and 117.
* COUNTIES AFFECTED:
In Central Montana, Cascade, Fergus, Judith Basin
Lewis and Clark, Meagher.
In North Central Montana, Blaine, Chouteau, Glacier, Hill
Liberty, Pondera, Teton, Toole.
* WIND: West 15 to 25 mph with gusts up to 40 mph.
* THUNDERSTORMS: For mainly Fire Weather Zone 117, scattered
showers and possibly a thunderstorm will cause gusty and erratic
outflow winds as well as the possibility of lightning-caused fire
starts.
* HUMIDITY: As low as 14 percent.
* TEMPERATURES: In the mid 70s.
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.
&&
$$
MTZ118-100600-
/O.CON.KTFX.FW.W.0020.000000T0000Z-170910T0600Z/
Helena and Townsend Ranger Districts of the Helena National Forest-
248 PM MDT Sat Sep 9 2017
...RED FLAG WARNING FOR LOW HUMIDITY AND STRONG GUSTY WINDS REMAINS
IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...
* IMPACTS: Low Humidities...Strong Gusty Winds...and Dry
Thunderstorms with gusty and erratic outflow winds will create
erratic fire behavior and an increased risk of new fire starts.
* AFFECTED AREA:
In Southwest Montana, Fire Weather Zone 118.
* COUNTIES AFFECTED:
In Central Montana, Cascade, Lewis and Clark, Meagher.
In Southwest Montana, Broadwater, Gallatin, Jefferson.
* WIND: Southwest 10 to 20 mph with gusts up to 30 mph.
* HUMIDITY: As low as 19 percent.
* THUNDERSTORMS: Isolated to scattered this afternoon and evening
producing gusty and erratic winds and perhaps a few lightning-
caused new fire starts.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of gusty
winds, low relative humidity, and warm temperatures can contribute
to extreme fire behavior.
Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.
&&
$$
MTZ116-101200-
/O.CON.KTFX.FW.W.0020.000000T0000Z-170910T1200Z/
Lincoln Ranger District of the Helena National Forest-
248 PM MDT Sat Sep 9 2017
...RED FLAG WARNING FOR LOW HUMIDITY AND STRONG GUSTY WINDS REMAINS
IN EFFECT UNTIL 6 AM MDT SUNDAY...
* IMPACTS: Low Humidities...Strong Gusty Winds...and Dry
Thunderstorms with gusty and erratic outflow winds will create
erratic fire behavior and an increased risk of new fire starts.
* AFFECTED AREA:
In Southwest Montana, Fire Weather Zone 116.
* COUNTIES AFFECTED:
In Central Montana, Lewis and Clark.
In Southwest Montana, Jefferson.
* WIND (valleys): West 10 to 15 mph with gusts up to 25 mph.
* WIND (mid to upper slopes and ridges): West 15 to 25 mph with
gusts up to 35 mph. Even with increasing humidity, the wind will
remain strong through tonight.
* HUMIDITY: As low as 25 percent.
* THUNDERSTORMS: Isolated dry this afternoon and evening mainly
south of Highway 200 producing gusty and erratic outflow winds.
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.
&&
$$
http://weather.gov/greatfalls762
WWUS85 KTFX 100557
RFWTFX
URGENT - FIRE WEATHER MESSAGE
National Weather Service Great Falls MT
1157 PM MDT Sat Sep 9 2017
MTZ112>115-117-102100-
/O.EXP.KTFX.FW.W.0020.000000T0000Z-170910T0600Z/
/O.CON.KTFX.FW.W.0021.170910T1800Z-170911T0600Z/
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
Hill and Blaine Counties-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-Chouteau and Fergus Counties-
Central and Eastern Lewis and Clark National Forest Areas-
1157 PM MDT Sat Sep 9 2017
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON SUNDAY TO MIDNIGHT
MDT SUNDAY NIGHT...
* IMPACTS: Low humidities and gusty winds will create erratic fire
behavior and an increased risk of new fire starts.
* AFFECTED AREA:
In North Central Montana, Fire Weather Zones 112, 113, 114,
115 and 117.
* COUNTIES AFFECTED:
In Central Montana, Cascade, Fergus, Judith Basin
Lewis and Clark, Meagher.
In North Central Montana, Blaine, Chouteau, Glacier, Hill
Liberty, Pondera, Teton, Toole.
* WIND (lower elevations and plains): Wind speeds will decrease
some overnight, then increase again on Sunday, becoming west 10
to 20 mph with gusts up to 30 mph.
* WIND (mid to upper slopes and ridgetops): West 25 to 35 mph.
* HUMIDITY: Moderate to good recovery overnight, then falling to 15
to 25 percent Sunday.
* TEMPERATURES: Mid 70s to mid 80s on Sunday.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of
gusty winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.
&&
$$
MARTIN
MTZ118-100700-
/O.EXP.KTFX.FW.W.0020.000000T0000Z-170910T0600Z/
Helena and Townsend Ranger Districts of the Helena National Forest-
1157 PM MDT Sat Sep 9 2017
...RED FLAG WARNING WILL EXPIRE AT MIDNIGHT MDT TONIGHT FOR FIRE
WEATHER ZONE 118...
Wind speeds have continued to decrease at lower elevations and
valleys and relative humidity continues to rise. Therefore, the Red
Flag Warning will be allowed to expire. However, ridgetops will
continue to see gusty winds of 10 to 20 mph through Saturday night,
especially ridges around the Helena area.
$$
MARTIN
MTZ116-101200-
/O.CON.KTFX.FW.W.0020.000000T0000Z-170910T1200Z/
Lincoln Ranger District of the Helena National Forest-
1157 PM MDT Sat Sep 9 2017
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY...
* IMPACTS: Strong winds at mid to upper slopes and ridgetops will
create erratic fire behavior overnight.
* AFFECTED AREA:
In Southwest Montana, Fire Weather Zone 116.
* COUNTIES AFFECTED:
In Central Montana, Lewis and Clark.
In Southwest Montana, Jefferson.
* WIND (valleys): West 5 to 15 mph.
* WIND (mid to upper slopes and ridges): West 20 to 30 mph with
gusts up to 40 mph.
* HUMIDITY: Rising to 80 to 90 percent in valleys, but only 50 to
60 percent at mid and upper slopes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. Strong winds can contribute
to extreme fire behavior.
Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.
&&
$$
MARTIN
http://weather.gov/greatfalls296
WWUS85 KTFX 100956
RFWTFX
URGENT - FIRE WEATHER MESSAGE
National Weather Service Great Falls MT
356 AM MDT Sun Sep 10 2017
MTZ112>115-117-110200-
/O.EXT.KTFX.FW.W.0021.170910T1800Z-170911T0200Z/
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
Hill and Blaine Counties-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-Chouteau and Fergus Counties-
Central and Eastern Lewis and Clark National Forest Areas-
356 AM MDT Sun Sep 10 2017
...RED FLAG WARNING NOW IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONES 112
THROUGH 115 AND ZONE 117...
* IMPACTS: Lower humidities and gusty winds will create erratic
fire behavior and an increased risk of new fire starts.
* AFFECTED AREA:
In North Central Montana, Fire Weather Zones 112, 113, 114,
115 and 117.
* COUNTIES AFFECTED:
In Central Montana, Cascade, Fergus, Judith Basin
Lewis and Clark, Meagher.
In North Central Montana, Blaine, Chouteau, Glacier, Hill
Liberty, Pondera, Teton, Toole.
* WIND (lower elevations and plains): Winds will gradually increase
from west to east this morning with speeds of 10 to 20 mph and
gusts of 20 to 30 mph. Across fire zones 113 and 115, the wind
may decrease earlier this afternoon compared to areas further
west.
* WIND (mid to upper slopes and ridgetops along the Rocky Mountain
Front): West 15 to 25 mph. The wind may continue longer into the
night here.
* HUMIDITY: 15 to 25 percent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of gusty
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.
&&
$$
MARTIN
MTZ116-101200-
/O.CON.KTFX.FW.W.0020.000000T0000Z-170910T1200Z/
Lincoln Ranger District of the Helena National Forest-
356 AM MDT Sun Sep 10 2017
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS
MORNING FOR STRONG GUSTY WINDS AND POOR HUMIDITY RECOVERY FOR FIRE
WEATHER ZONE 116...
* IMPACTS: Strong winds at mid to upper slopes and ridgetops
combined with poor humidity recovery will create erratic fire
behavior early this morning.
* AFFECTED AREA:
In Southwest Montana, Fire Weather Zone 116.
* COUNTIES AFFECTED:
In Central Montana, Lewis and Clark.
In Southwest Montana, Jefferson.
* WIND (valleys): West 5 to 15 mph, gusting to 20 mph.
* WIND (mid to upper slopes and ridges): West 20 to 30 mph with
gusts up to 40 mph.
* HUMIDITY: 35 to 50 percent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. Strong winds and poor
humidity recovery can contribute to extreme fire behavior.
Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.
&&
$$
MARTIN
http://weather.gov/greatfalls864
WWUS85 KTFX 101140
RFWTFX
URGENT - FIRE WEATHER MESSAGE
National Weather Service Great Falls MT
540 AM MDT Sun Sep 10 2017
MTZ116-101245-
/O.EXP.KTFX.FW.W.0020.000000T0000Z-170910T1200Z/
Lincoln Ranger District of the Helena National Forest-
540 AM MDT Sun Sep 10 2017
...RED FLAG WARNING WILL EXPIRE AT 6 AM MDT EARLY THIS MORNING...
Observations on the Alice Creek Fire in Zone 116 this morning
indicate gusty west winds, but with relative humidity ranging from
around 35 to 55 percent. Gusty ridgetop winds are expected to
continue today, but afternoon humidity is forecast to remain above
25 percent.
$$
MTZ112>115-117-110200-
/O.CON.KTFX.FW.W.0021.170910T1800Z-170911T0200Z/
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
Hill and Blaine Counties-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-Chouteau and Fergus Counties-
Central and Eastern Lewis and Clark National Forest Areas-
540 AM MDT Sun Sep 10 2017
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THIS EVENING...
* IMPACTS: Low Humidities and Strong Gusty Winds will create
erratic fire behavior and an increased risk of new fire starts.
* AFFECTED AREA:
In North Central Montana, Fire Weather Zones 112, 113, 114,
115 and 117.
* COUNTIES AFFECTED:
In Central Montana, Cascade, Fergus, Judith Basin
Lewis and Clark, Meagher.
In North Central Montana, Blaine, Chouteau, Glacier, Hill
Liberty, Pondera, Teton, Toole.
* WIND (lower elevations and plains): Winds will gradually
increase from west to east this morning with speeds of 10 to 20
mph and gusts of 20 to 30 mph. Across fire zones 113 and 115,
the wind may decrease earlier this afternoon compared to areas
further west.
* WIND (mid to upper slopes and ridgetops along the Rocky
Mountain Front): West 15 to 25 mph. The wind may continue
longer into the night here.
* HUMIDITY: 15 to 25 percent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of gusty
winds, low relative humidity, and warm temperatures can contribute
to extreme fire behavior.
Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.
&&
$$
http://weather.gov/greatfalls027
WWUS85 KTFX 102036
RFWTFX
URGENT - FIRE WEATHER MESSAGE
National Weather Service Great Falls MT
236 PM MDT Sun Sep 10 2017
MTZ112>115-117-111145-
/O.EXT.KTFX.FW.W.0021.000000T0000Z-170912T0300Z/
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
Hill and Blaine Counties-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-Chouteau and Fergus Counties-
Central and Eastern Lewis and Clark National Forest Areas-
236 PM MDT Sun Sep 10 2017
...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT MONDAY...
* IMPACTS: Low Humidities and Strong Gusty Winds will create
erratic fire behavior and an increased risk of new fire starts.
* AFFECTED AREA:
In North Central Montana, Fire Weather Zones 112, 113, 114, 115
and 117.
* COUNTIES AFFECTED:
In Central Montana, Cascade, Fergus, Judith Basin
Lewis and Clark, Meagher.
In North Central Montana, Blaine, Chouteau, Glacier, Hill
Liberty, Pondera, Teton, Toole.
* WIND (lower elevations and plains): Winds will gradually increase
from west to east this morning with speeds of 10 to 20 mph and
gusts of 20 to 30 mph. Across fire zones 113, 115, and 117, winds
will reach critical levels in the western parts of the zones 113
and 115 and northwestern sections of 117.
* WIND (mid to upper slopes and ridgetops along the Rocky Mountain
Front): West 15 to 25 mph with gusts 30 to 40 mph.
* HUMIDITY: As low as 9 percent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of gusty
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.
&&
$$
http://weather.gov/greatfalls723
WWUS85 KTFX 110224
RFWTFX
URGENT - FIRE WEATHER MESSAGE
National Weather Service Great Falls MT
824 PM MDT Sun Sep 10 2017
MTZ112>115-117-111800-
/O.CON.KTFX.FW.W.0021.000000T0000Z-170912T0300Z/
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
Hill and Blaine Counties-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-Chouteau and Fergus Counties-
Central and Eastern Lewis and Clark National Forest Areas-
824 PM MDT Sun Sep 10 2017
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT MONDAY...
* IMPACTS: Low Humidities and Strong Gusty Winds will create
erratic fire behavior and an increased risk of new fire starts.
* AFFECTED AREA:
In North Central Montana, Fire Weather Zones 112, 113, 114,
115 and 117.
* COUNTIES AFFECTED:
In Central Montana, Cascade, Fergus, Judith Basin
Lewis and Clark, Meagher.
In North Central Montana, Blaine, Chouteau, Glacier, Hill
Liberty, Pondera, Teton, Toole.
* WIND (lower elevations and plains): Winds will gradually
increase from west to east this morning with speeds of 10 to 20
mph and gusts of 20 to 30 mph. Across fire zones 113, 115, and
117, winds will reach critical levels in the western parts of
the zones 113 and 115 and northwestern sections of 117.
* WIND (mid to upper slopes and ridgetops along the Rocky
Mountain Front): West 15 to 25 mph with gusts 30 to 40 mph.
* HUMIDITY: As low as 9 percent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of gusty
winds, low relative humidity, and warm temperatures can contribute
to extreme fire behavior.
Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.
&&
$$
http://weather.gov/greatfalls612
WWUS85 KTFX 110930
RFWTFX
URGENT - FIRE WEATHER MESSAGE
National Weather Service Great Falls MT
330 AM MDT Mon Sep 11 2017
MTZ112-114-112200-
/O.CON.KTFX.FW.W.0021.000000T0000Z-170912T0300Z/
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
330 AM MDT Mon Sep 11 2017
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...
* IMPACTS: Low Humidities and Strong Gusty Winds will create
erratic fire behavior and an increased risk of new fire starts.
* AFFECTED AREA:
In North Central Montana, Fire Weather Zones 112 and 114.
* COUNTIES AFFECTED:
In Central Montana, Lewis and Clark.
In North Central Montana, Glacier, Liberty, Pondera, Teton
Toole.
* LOWER ELEVATION WIND: West at 10 to 20 mph...with gusts near
30 mph.
* RIDGE TOP WINDS: West at 20 to 30 mph...with gusts near
40 mph.
* HUMIDITY: As low as 11 percent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of gusty
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.
&&
$$
MTZ113-115-117-112200-
/O.CON.KTFX.FW.W.0021.000000T0000Z-170912T0300Z/
Hill and Blaine Counties-Chouteau and Fergus Counties-
Central and Eastern Lewis and Clark National Forest Areas-
330 AM MDT Mon Sep 11 2017
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...
* IMPACTS: Low Humidities and Strong Gusty Winds will create
erratic fire behavior and an increased risk of new fire starts.
* AFFECTED AREA:
In North Central Montana, Fire Weather Zones 113, 115 and 117.
* COUNTIES AFFECTED:
In Central Montana, Cascade, Fergus, Judith Basin, Meagher.
In North Central Montana, Blaine, Chouteau, Hill.
* WIND: West winds at 10 to 20 mph...with gusts near 30 mph.
* HUMIDITY: As low as 11 percent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of gusty
winds, low relative humidity, and warm temperatures can contribute
to extreme fire behavior.
Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.
&&
$$
http://weather.gov/greatfalls180
WWUS85 KTFX 112126
RFWTFX
URGENT - FIRE WEATHER MESSAGE
National Weather Service Great Falls MT
326 PM MDT Mon Sep 11 2017
MTZ112-114-121300-
/O.NEW.KTFX.FW.W.0022.170912T1800Z-170913T0600Z/
/O.EXT.KTFX.FW.W.0021.000000T0000Z-170912T0600Z/
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
326 PM MDT Mon Sep 11 2017
...RED FLAG WARNING FOR STRONG GUSTY WINDS AND LOW HUMIDITY NOW IN
EFFECT UNTIL MIDNIGHT MDT TONIGHT...
...RED FLAG WARNING FOR STRONG GUSTY WINDS AND LOW HUMIDITY IN
EFFECT FROM NOON TUESDAY TO MIDNIGHT MDT TUESDAY NIGHT...
The National Weather Service in Great Falls has issued a Red Flag
Warning, which is in effect from noon Tuesday to midnight MDT
Tuesday night.
* IMPACTS: Low Humidities and Strong Gusty Winds will create
erratic fire behavior and an increased risk of new fire starts.
* AFFECTED AREA:
In North Central Montana, Fire Weather Zones 112 and 114.
* COUNTIES AFFECTED:
In Central Montana, Lewis and Clark.
In North Central Montana, Glacier, Liberty, Pondera, Teton
Toole.
* LOWER ELEVATION WIND: West at 10 to 20 mph...with gusts near 30
mph.
* RIDGE TOP WINDS: West at 20 to 30 mph...with gusts near 40 mph.
* HUMIDITY: As low as 9 percent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of gusty
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.
&&
$$
MTZ116-121300-
/O.NEW.KTFX.FW.W.0022.170912T1800Z-170913T0600Z/
Lincoln Ranger District of the Helena National Forest-
326 PM MDT Mon Sep 11 2017
...RED FLAG WARNING FOR STRONG GUSTY WINDS AND LOW HUMIDITY IN
EFFECT FROM NOON TUESDAY TO MIDNIGHT MDT TUESDAY NIGHT...
The National Weather Service in Great Falls has issued a Red Flag
Warning, which is in effect from noon Tuesday to midnight MDT
Tuesday night.
* IMPACTS: Low Humidities and Strong Gusty Winds will create
erratic fire behavior and an increased risk of new fire starts.
* AFFECTED AREA:
In Southwest Montana, Fire Weather Zone 116.
* COUNTIES AFFECTED:
In Central Montana, Lewis and Clark.
In Southwest Montana, Jefferson.
* WIND: West 10 to 15 mph. Gusts 20 to 30 mph in the afternoon and
early evening.
* HUMIDITY: As low as 18 percent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.
&&
$$
MTZ113-115-117-120300-
/O.CON.KTFX.FW.W.0021.000000T0000Z-170912T0300Z/
Hill and Blaine Counties-Chouteau and Fergus Counties-
Central and Eastern Lewis and Clark National Forest Areas-
326 PM MDT Mon Sep 11 2017
...RED FLAG WARNING FOR STRONG GUSTY WINDS AND LOW HUMIDITY REMAINS
IN EFFECT UNTIL 9 PM MDT THIS EVENING...
* IMPACTS: Low Humidities and Strong Gusty Winds will create
erratic fire behavior and an increased risk of new fire starts.
* AFFECTED AREA:
In North Central Montana, Fire Weather Zones 113, 115 and 117.
* COUNTIES AFFECTED:
In Central Montana, Cascade, Fergus, Judith Basin, Meagher.
In North Central Montana, Blaine, Chouteau, Hill.
* WIND: West 10 to 15 mph with gusts up to 25 mph.
* HUMIDITY: As low as 10 percent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of gusty
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.
&&
$$
http://weather.gov/greatfalls868
WWUS85 KTFX 120239
RFWTFX
URGENT - FIRE WEATHER MESSAGE
National Weather Service Great Falls MT
839 PM MDT Mon Sep 11 2017
MTZ113-115-117-120345-
/O.EXP.KTFX.FW.W.0021.000000T0000Z-170912T0300Z/
Hill and Blaine Counties-Chouteau and Fergus Counties-
Central and Eastern Lewis and Clark National Forest Areas-
839 PM MDT Mon Sep 11 2017
...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING...
The Red Flag Warning which was in effect for Fire Weather Zones
113, 115, and 117 will be allowed to expire at 9 PM MDT this
evening. Relative humidity values have been slowly increasing this
evening, and will continue to rise above critical thresholds. In
addition to rising relative humidity values, winds were decreasing,
especially over the plains
$$
MTZ112-114-121745-
/O.CON.KTFX.FW.W.0021.000000T0000Z-170912T0600Z/
/O.CON.KTFX.FW.W.0022.170912T1800Z-170913T0600Z/
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
839 PM MDT Mon Sep 11 2017
...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TUESDAY TO
MIDNIGHT MDT TUESDAY NIGHT...
* IMPACTS: Low Humidities and Strong Gusty Winds will create
erratic fire behavior and an increased risk of new fire starts.
* AFFECTED AREA:
In North Central Montana, Fire Weather Zones 112 and 114.
* COUNTIES AFFECTED:
In Central Montana, Lewis and Clark.
In North Central Montana, Glacier, Liberty, Pondera, Teton
Toole.
* LOWER ELEVATION WIND: West at 10 to 20 mph...with gusts near 30
mph.
* RIDGE TOP WINDS: West at 20 to 30 mph...with gusts near 40 mph.
* HUMIDITY: As low as 8 percent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of gusty
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.
&&
$$
MTZ116-121745-
/O.CON.KTFX.FW.W.0022.170912T1800Z-170913T0600Z/
Lincoln Ranger District of the Helena National Forest-
839 PM MDT Mon Sep 11 2017
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TUESDAY TO
MIDNIGHT MDT TUESDAY NIGHT...
* IMPACTS: Low Humidities and Strong Gusty Winds will create
erratic fire behavior and an increased risk of new fire starts.
* AFFECTED AREA:
In Southwest Montana, Fire Weather Zone 116.
* COUNTIES AFFECTED:
In Central Montana, Lewis and Clark.
In Southwest Montana, Jefferson.
* WIND: West 10 to 15 mph with gusts up to 20 mph.
* HUMIDITY: As low as 18 percent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of strong
winds, low relative humidity, and warm temperatures can contribute
to extreme fire behavior.
Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.
&&
$$
http://weather.gov/greatfalls164
WWUS85 KTFX 120514
RFWTFX
URGENT - FIRE WEATHER MESSAGE
National Weather Service Great Falls MT
1114 PM MDT Mon Sep 11 2017
MTZ112-114-121200-
/O.CAN.KTFX.FW.W.0021.000000T0000Z-170912T0600Z/
/O.CON.KTFX.FW.W.0022.170912T1800Z-170913T0600Z/
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
1114 PM MDT Mon Sep 11 2017
...RED FLAG WARNING REMAINS IN EFFECT
FROM NOON TUESDAY TO MIDNIGHT MDT TUESDAY NIGHT...
* IMPACTS: Low Humidities and Unseasonably Warm Temperatures will
create erratic fire behavior.
* AFFECTED AREA:
In North Central Montana, Fire Weather Zones 112 and 114.
* COUNTIES AFFECTED:
In Central Montana, Lewis and Clark.
In North Central Montana, Glacier, Liberty, Pondera, Teton
Toole.
* LOWER ELEVATION WIND: West at 10 to 20 mph...with
gusts near 25 mph.
* RIDGE TOP WINDS: West at 15 to 25 mph...with
gusts near 30 mph.
* HUMIDITY: As low as 14 percent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of gusty
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.
&&
$$
MTZ116-121200-
/O.CON.KTFX.FW.W.0022.170912T1800Z-170913T0600Z/
Lincoln Ranger District of the Helena National Forest-
1114 PM MDT Mon Sep 11 2017
...RED FLAG WARNING REMAINS IN EFFECT FROM
NOON TUESDAY TO MIDNIGHT MDT TUESDAY NIGHT...
* IMPACTS: Low Humidities and Unseasonably Warm Temperatures will
create erratic fire behavior.
* AFFECTED AREA:
In Southwest Montana, Fire Weather Zone 116.
* COUNTIES AFFECTED:
In Central Montana, Lewis and Clark.
In Southwest Montana, Jefferson.
* WIND: West 10 to 15 mph...with gusts up to 25 mph.
* HUMIDITY: As low as 18 percent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of strong
winds, low relative humidity, and warm temperatures can contribute
to extreme fire behavior.
Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.
&&
$$
http://weather.gov/greatfallsThe office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 4:11 PM MDT | Special Weather Statement | TFX | Cascade, Lewis and Clark, Teton | 49 min |
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.