Alert archive / Montana / Red Flag Warnings in 2012

Red Flag Warning 19, NWS Great Falls, MT

August 13, 201218 counties in Montana

NWS Great Falls, MT issued this red flag warning at Aug 13, 2012, 2:40 PM MDT for 18 counties in Montana. It took effect at Aug 14, 2012, 12:00 PM MDT. It was in force for 13 hr. 45 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 13, 2012, 2:40 PM MDT (20:40 UTC)
In effect from
Aug 14, 2012, 12:00 PM MDT
Expired
Aug 15, 2012, 12:52 AM MDT
In force
13 hr
Issued by
NWS Great Falls, MT

Counties Blaine County, MT, Broadwater County, MT, Cascade County, MT, Chouteau County, MT, Fergus County, MT, Gallatin County, MT, Glacier County, MT, Hill County, MT, Jefferson County, MT, Judith Basin County, MT, Lewis and Clark County, MT, Liberty County, MT, Meagher County, MT, Phillips County, MT, Pondera County, MT, Powell County, MT, Teton County, MT, Toole County, MT

The radar

The Great Falls radar (KTFX), 24 km from the middle of the area, began a volume at 20:43 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.

What was reported inside it

TimeReportWhereRemark
Aug 14, 4:00 PM MDTNON-TSTM WND GST 5213 Wsw Saint Mary, MT52 MPH WIND GUST AT LOGAN PASS.
Aug 14, 5:40 PM MDTNON-TSTM WND GST 536 Wnw Browning, MT53 MPH WIND GUST AT THE BROWNING AIRSTRIP.
Aug 14, 6:00 PM MDTNON-TSTM WND GST 5013 Wsw Saint Mary, MT50 MPH WIND GUST AT LOGAN PASS ON THE GOING TO THE SUN ROAD.
Aug 14, 6:27 PM MDTTSTM WND GST 556 Nnw Sunburst, MT55 MPH WIND GUST AT THE DOT SENSOR JUST SOUTH OF SWEET GRASS.
Aug 14, 6:41 PM MDTTSTM WND GST 673 Sw Cut Bank, MT67 MPH WIND GUST AT THE CUT BANK AIRPORT.
Aug 14, 6:41 PM MDTNON-TSTM WND GST 551 E East Glacier Park, MT55 MPH WIND GUST AT THE DOT SENSOR JUST EAST OF EAST GLACIER PARK.
Aug 14, 6:42 PM MDTTSTM WND GST 70Cut Bank, MTESTIMATED 70 MPH WINDS LIFTING DUST AND DEBRIS
Aug 14, 6:44 PM MDTTSTM WND GST 723 Sw Cut Bank, MT72 MPH WIND GUST AT THE CUT BANK AIRPORT.
Aug 14, 6:55 PM MDTTSTM WND GST 50Kevin, MT50 MPH WIND GUST IN KEVIN.
Aug 14, 6:55 PM MDTNON-TSTM WND GST 401 N Heart Butte, MTSPOTTER REPORTS BLOWING DUST AND TRAFFIC STOPPED ON HWY 2 DUE TO HIGH WINDS ASSOCIATED WITH FRONTAL PASSAGE.
Aug 14, 7:00 PM MDTTSTM WND DMG10 W Saint Mary, MTLARGE TREES DOWNED AT RISING SUN CAMPGROUND... EAST SIDE OF GLACIER NATIONAL PARK.
Aug 14, 7:00 PM MDTTSTM WND GST 508 Se East Glacier Park, MT50 MPH WIND GUST AT THE DEEP CREEK RAWS LOCATION.
Aug 14, 7:00 PM MDTNON-TSTM WND GST 5015 Se Browning, MTESTIMATED 50 MPH WIND GUST AS THE COLD FRONT MOVED THROUGH.
Aug 14, 7:08 PM MDTNON-TSTM WND GST 50Valier, MTESTIMATED 50 MPH WIND GUST IN VALIER AS THE COLD FRONT MOVED THROUGH.
Aug 14, 7:12 PM MDTTSTM WND GST 581 E East Glacier Park, MT58 MPH WIND GUST AT THE DOT SENSOR JUST EAST OF EAST GLACIER PARK.
Aug 14, 7:20 PM MDTTSTM WND GST 60Devon, MTESTIMATED WIND GUSTS TO 60 MPH IN THE FIELDS.
Aug 14, 7:25 PM MDTNON-TSTM WND DMG4 E Conrad, MTMATURE COTTONWOOD TREE DOWN ALONG WITH MANY BROKEN TREE LIMBS.
Aug 14, 7:29 PM MDTTSTM WND GST 66Brady, MT66 MPH WIND GUST MEASURED NEAR BRADY.
Aug 14, 7:41 PM MDTNON-TSTM WND GST 568 Ene Choteau, MT56 MPH PEAK WIND GUST...LOTS OF BLOWING DUST.
Aug 14, 7:44 PM MDTTSTM WND GST 55Chester, MT55 MPH WIND GUST IN CHESTER.
Aug 14, 7:51 PM MDTTSTM WND GST 562 E Inverness, MT56 MPH WIND GUST AT THE DOT SENSOR JUST EAST OF INVERNESS.
Aug 14, 8:00 PM MDTTSTM WND GST 6010 Ne Dutton, MT60 MPH WIND GUST.
Aug 14, 8:15 PM MDTTSTM WND GST 65Augusta, MTESTIMATED 65 MPH IN THE AUGUSTA AREA.
Aug 14, 8:18 PM MDTNON-TSTM WND GST 60Fort Shaw, MTLARGE DIAMETER TREE BRANCHES DOWN.
Aug 14, 8:20 PM MDTTSTM WND GST 701 Se Cascade, MT70 MPH WIND GUST.
Aug 14, 8:20 PM MDTTSTM WND GST 70Cascade, MT70 MPH WIND GUST.
Aug 14, 8:20 PM MDTNON-TSTM WND GST 98Cascade, MT98 MPH PEAK WIND GUST MEASURED
Aug 14, 8:21 PM MDTTSTM WND GST 5317 Sw Simms, MT53 MPH WIND GUST AT THE DOT SENSOR NEAR BOWMANS CORNER.
Aug 14, 8:23 PM MDTTSTM WND GST 605 Wsw Great Falls, MT60 MPH WIND GUST. POWER OUT AT THE NWS OFFICE IN GREAT FALLS. VISIBILITY IS 2 MILES IN BLOWING DUST.
Aug 14, 8:28 PM MDTTSTM WND GST 625 Sw Great Falls, MT62 MPH WIND GUST AT THE NWS OFFICE. POWER WAS OUT FOR A FEW MINUTES. BLOWING DUST.
Aug 14, 8:31 PM MDTTSTM WND GST 58Malmstrom Afb, MT58 MPH WIND GUST AT MALMSTROM AFB.
Aug 14, 8:35 PM MDTTSTM WND GST 604 S Cascade, MT60 MPH WIND GUST WITH COLD FRONT PASSAGE.
Aug 14, 8:45 PM MDTTSTM WND DMG1 Se Great Falls, MT3 INCH TREE LIMB BROKEN OFF...AND NO POWER.
Aug 14, 8:50 PM MDTTSTM WND GST 8621 Se Cascade, MT86 MPH WIND GUST AT MILLEGAN.
Aug 14, 8:53 PM MDTTSTM WND GST 621 Nw Black Eagle, MT62 MPH WIND GUST JUST NORTH OF BLACK EAGLE.
Aug 14, 8:55 PM MDTTSTM WND GST 524 W Havre, MT52 MPH WIND GUST AT THE HAVRE AIRPORT.
Aug 14, 9:00 PM MDTTSTM WND GST 5432 Wsw Bynum, MT54 MPH WIND GUST AT GATES PARK.
Aug 14, 9:04 PM MDTTSTM WND GST 528 Sw Wolf Creek, MT52 MPH WIND GUST AT THE DOT SENSOR NEAR SIEBEN FLATS ON INTERSTATE 15.
Aug 14, 9:30 PM MDTTSTM WND GST 507 Nw Helena, MTESTIMATED WINDS AROUND 50 MPH A FEW MILES NORTHWEST OF HELENA. VISIBILITY WAS ONLY A HALF MILE.
Aug 14, 9:30 PM MDTTSTM WND GST 543 Wnw Raynesford, MT54 MPH WIND GUST AT THE ALPHA RAWS LOCATION. TIME OF EVENT IS ESTIMATED.
Aug 14, 9:30 PM MDTTSTM WND GST 5514 Ssw Simms, MT55 MPH WIND GUST AT THE GOLF RAWS LOCATION. TIME OF EVENT IS ESTIMATED.
Aug 14, 9:45 PM MDTTSTM WND GST 60White Sulphur Springs, MTWIND GUST ESTIMATED NEAR 60 MPH. POWER WAS OUT FOR ABOUT 3 HOURS.
Aug 14, 10:13 PM MDTTSTM WND GST 598 Sw Wolf Creek, MT59 MPH WIND GUST AT THE DOT SENSOR NEAR SIEBEN FLATS ON INTERSTATE 15.
Aug 14, 10:14 PM MDTTSTM WND GST 452 Se Wickes, MT45 MPH PEAK WIND GUST AT THE DOT SENSOR ON BOULDER HILL ON INTERSTATE 15.
Aug 15, 12:30 AM MDTTSTM WND GST 528 N Helena, MT52 MPH WIND GUST AT THE HELENA RAWS LOCATION. TIME OF EVENT IS ESTIMATED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Great_falls, MT (KTFX), launched 12:00Z, 8.7 hours before the alert went out and 37 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.

Skew-T log-pSkew-T log-p diagram, Great_falls, MT at 12:00Z on 2012-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 522 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Great_falls, MT at 12:00Z on 2012-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
522 J/kg
Mixed-layer CIN
-334 J/kg
Mixed-layer LCL
1636 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

756 
WWUS85 KTFX 132040
RFWTFX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
240 PM MDT MON AUG 13 2012

...GUSTY WINDS AND LOW RELATIVE HUMIDITIES EXPECTED ON TUESDAY...

.CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED ON TUESDAY WITH LOW
RELATIVE HUMIDITIES AND INCREASING WESTERLY WINDS AHEAD OF A
SIGNIFICANT UPPER-LEVEL LOW PRESSURE SYSTEM AND STRONG SURFACE
COLD FRONT. THE COLD FRONTAL PASSAGE WILL BE ON TUESDAY NIGHT WITH
A WIND SHIFT FROM WEST TO NORTH.

MTZ114-115-117-118-141300-
/O.UPG.KTFX.FW.A.0011.120814T1800Z-120815T0300Z/
/O.NEW.KTFX.FW.W.0019.120814T1800Z-120815T0300Z/
LEWIS AND CLARK NATIONAL FOREST ROCKY MOUNTAIN DISTRICT/ROCKY
MOUNTAIN FRONT-CHOUTEAU AND FERGUS COUNTIES-
CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS-
HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL
FOREST-
240 PM MDT MON AUG 13 2012

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT TUESDAY FOR
LOW HUMIDITIES AND GUSTY WINDS FOR FIRE WEATHER ZONES 114...115... 117
AND 118...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A RED FLAG
WARNING FOR LOW HUMIDITIES AND GUSTY WINDS...WHICH IS IN EFFECT
FROM NOON TO 9 PM MDT TUESDAY. THE FIRE WEATHER WATCH IS NO LONGER
IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONES 114...115...117 AND 118.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 10 PERCENT.

* TEMPERATURES...IN THE UPPER 70S.

* IMPACTS...RAPID FIRE GROWTH WILL BE POSSIBLE WITH ANY NEW AND
  UNCONTROLLED FIRES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE
AREAS OF THIS RED FLAG WARNING.

&&

$$

MTZ116-141300-
/O.NEW.KTFX.FW.W.0019.120814T1800Z-120815T0300Z/
LINCOLN RANGER DISTRICT OF THE HELENA NATIONAL FOREST-
240 PM MDT MON AUG 13 2012

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT TUESDAY FOR
LOW HUMIDITIES AND GUSTY WINDS FOR FIRE WEATHER ZONE 116...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A RED FLAG
WARNING FOR LOW HUMIDITIES AND GUSTY WINDS...WHICH IS IN EFFECT
FROM NOON TO 9 PM MDT TUESDAY.

* AFFECTED AREA...FIRE WEATHER ZONE 116.

* WINDS...WEST 15 TO 20 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 14 PERCENT.

* TEMPERATURES...IN THE LOWER 70S.

* IMPACTS...RAPID FIRE GROWTH WILL BE POSSIBLE WITH ANY NEW AND
  UNCONTROLLED FIRES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE
AREAS OF THIS RED FLAG WARNING.

&&

$$

HTTP://WEATHER.GOV/GREATFALLS
5 follow-up statements
684 
WWUS85 KTFX 132059 CCA
RFWTFX

URGENT - FIRE WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE GREAT FALLS MT
259 PM MDT MON AUG 13 2012

...GUSTY WINDS AND LOW RELATIVE HUMIDITIES EXPECTED ON TUESDAY...

.CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED ON TUESDAY WITH LOW
RELATIVE HUMIDITIES AND INCREASING WESTERLY WINDS AHEAD OF A
SIGNIFICANT UPPER-LEVEL LOW PRESSURE SYSTEM AND STRONG SURFACE
COLD FRONT. THE COLD FRONTAL PASSAGE WILL BE ON TUESDAY NIGHT WITH
A WIND SHIFT FROM WEST TO NORTH.

MTZ114-115-117-118-141330-
/O.UPG.KTFX.FW.A.0011.120814T1800Z-120815T0300Z/
/O.COR.KTFX.FW.W.0019.120814T1800Z-120815T0300Z/
LEWIS AND CLARK NATIONAL FOREST ROCKY MOUNTAIN DISTRICT/ROCKY
MOUNTAIN FRONT-CHOUTEAU AND FERGUS COUNTIES-
CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS-
HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL
FOREST-
259 PM MDT MON AUG 13 2012

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT TUESDAY FOR
LOW HUMIDITIES AND GUSTY WINDS FOR FIRE WEATHER ZONES 114...115... 117
AND 118...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A RED FLAG
WARNING FOR LOW HUMIDITIES AND GUSTY WINDS...WHICH IS IN EFFECT
FROM NOON TO 9 PM MDT TUESDAY. THE FIRE WEATHER WATCH IS NO LONGER
IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONES 114...115...117 AND 118.

* WINDS...WEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 10 PERCENT.

* TEMPERATURES...IN THE LOWER 90S.

* IMPACTS...RAPID FIRE GROWTH WILL BE POSSIBLE WITH ANY NEW AND
  UNCONTROLLED FIRES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE
AREAS OF THIS RED FLAG WARNING.

&&

$$

MTZ116-141330-
/O.COR.KTFX.FW.W.0019.120814T1800Z-120815T0300Z/
LINCOLN RANGER DISTRICT OF THE HELENA NATIONAL FOREST-
259 PM MDT MON AUG 13 2012

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT TUESDAY FOR
LOW HUMIDITIES AND GUSTY WINDS FOR FIRE WEATHER ZONE 116...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A RED FLAG
WARNING FOR LOW HUMIDITIES AND GUSTY WINDS...WHICH IS IN EFFECT
FROM NOON TO 9 PM MDT TUESDAY.

* AFFECTED AREA...FIRE WEATHER ZONE 116.

* WINDS...WEST 15 TO 20 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 14 PERCENT.

* TEMPERATURES...IN THE LOWER 90S.

* IMPACTS...RAPID FIRE GROWTH WILL BE POSSIBLE WITH ANY NEW AND
  UNCONTROLLED FIRES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE
AREAS OF THIS RED FLAG WARNING.

&&

$$

HTTP://WEATHER.GOV/GREATFALLS
554 
WWUS85 KTFX 141024
RFWTFX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
424 AM MDT TUE AUG 14 2012

MTZ114>118-142100-
/O.CON.KTFX.FW.W.0019.120814T1800Z-120815T0300Z/
LEWIS AND CLARK NATIONAL FOREST ROCKY MOUNTAIN DISTRICT/ROCKY
MOUNTAIN FRONT-CHOUTEAU AND FERGUS COUNTIES-
LINCOLN RANGER DISTRICT OF THE HELENA NATIONAL FOREST-
CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS-
HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL
FOREST-
424 AM MDT TUE AUG 14 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR LOW HUMIDITIES AND GUSTY WINDS FOR FIRE WEATHER
ZONES 114...115...116...117 AND 118...

A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONES 114...115...116...117 AND 118.

* WINDS...WEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH THIS AFTERNOON. GUSTS
  UP TO 40 MPH ARE POSSIBLE TONIGHT WITH THE COLD FRONTAL PASSAGE.

* RELATIVE HUMIDITY...AROUND 10 TO 15 PERCENT.

* IMPACTS...RAPID FIRE GROWTH WILL BE POSSIBLE WITH ANY NEW AND 
  UNCONTROLLED FIRES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE
AREAS OF THIS RED FLAG WARNING.

&&

$$

HTTP://WEATHER.GOV/GREATFALLS
041 
WWUS85 KTFX 141836
RFWTFX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
1236 PM MDT TUE AUG 14 2012

MTZ112-113-150300-
/O.EXA.KTFX.FW.W.0019.000000T0000Z-120815T0300Z/
EASTERN GLACIER/TOOLE/CENTRAL AND EASTERN PONDERA/LIBERTY
COUNTIES-HILL AND BLAINE COUNTIES-
1236 PM MDT TUE AUG 14 2012

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
112 AND 113...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT UNTIL 9 PM MDT THIS EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONES 112 AND 113.

* WINDS...WEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH THIS AFTERNOON. GUSTS
  UP TO 40 MPH ARE POSSIBLE TONIGHT WITH THE COLD FRONTAL PASSAGE.

* RELATIVE HUMIDITY...AS LOW AS 16 PERCENT.

* IMPACTS...RAPID FIRE GROWTH WILL BE POSSIBLE WITH ANY NEW AND 
  UNCONTROLLED FIRES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE
AREAS OF THIS RED FLAG WARNING.

&&

$$

MTZ114>118-150300-
/O.CON.KTFX.FW.W.0019.000000T0000Z-120815T0300Z/
LEWIS AND CLARK NATIONAL FOREST ROCKY MOUNTAIN DISTRICT/ROCKY
MOUNTAIN FRONT-CHOUTEAU AND FERGUS COUNTIES-
LINCOLN RANGER DISTRICT OF THE HELENA NATIONAL FOREST-
CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS-
HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL
FOREST-
1236 PM MDT TUE AUG 14 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR LOW HUMIDITIES AND GUSTY WINDS FOR FIRE WEATHER ZONES 114...
115...116...117 AND 118...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONES 114...115...116...117 AND 
  118.

* WINDS...WEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH THIS AFTERNOON. GUSTS
  UP TO 40 MPH ARE POSSIBLE TONIGHT WITH THE COLD FRONTAL PASSAGE.

* RELATIVE HUMIDITY...AS LOW AS 12 PERCENT.

* IMPACTS...RAPID FIRE GROWTH WILL BE POSSIBLE WITH ANY NEW AND 
  UNCONTROLLED FIRES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE
AREAS OF THIS RED FLAG WARNING.

&&

$$

HTTP://WEATHER.GOV/GREATFALLS
241 
WWUS85 KTFX 150259
RFWTFX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
859 PM MDT TUE AUG 14 2012

MTZ112-114-150400-
/O.CAN.KTFX.FW.W.0019.000000T0000Z-120815T0300Z/
EASTERN GLACIER/TOOLE/CENTRAL AND EASTERN PONDERA/LIBERTY
COUNTIES-
LEWIS AND CLARK NATIONAL FOREST ROCKY MOUNTAIN DISTRICT/ROCKY
MOUNTAIN FRONT-
859 PM MDT TUE AUG 14 2012

...RED FLAG WARNING IS CANCELLED FOR DRY THUNDERSTORMS WITH GUSTY
OUTFLOW WINDS FOR FIRE WEATHER ZONES 112 AND 114...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS CANCELLED THE RED
FLAG WARNING.

$$

MTZ113-115>118-150900-
/O.EXT.KTFX.FW.W.0019.000000T0000Z-120815T0900Z/
HILL AND BLAINE COUNTIES-CHOUTEAU AND FERGUS COUNTIES-
LINCOLN RANGER DISTRICT OF THE HELENA NATIONAL FOREST-
CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS-
HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL
FOREST-
859 PM MDT TUE AUG 14 2012

...RED FLAG WARNING NOW IN EFFECT UNTIL 3 AM MDT WEDNESDAY FOR
DRY THUNDERSTORMS WITH GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES
113...115...116...117 AND 118...

THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 3 AM MDT WEDNESDAY. 

* AFFECTED AREA...FIRE WEATHER ZONES 113...115...116...117 AND
  118.

* WINDS...NORTH 40 TO 50 MPH WITH GUSTS UP TO 70 MPH.

* RELATIVE HUMIDITY...AS LOW AS 20 PERCENT.

* IMPACTS...RAPID FIRE GROWTH WILL BE POSSIBLE WITH ANY NEW AND 
  UNCONTROLLED FIRES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE
AREAS OF THIS RED FLAG WARNING.

&&

$$

HTTP://WEATHER.GOV/GREATFALLS
060 
WWUS85 KTFX 150652
RFWTFX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
1252 AM MDT WED AUG 15 2012

MTZ113-115>118-150800-
/O.CAN.KTFX.FW.W.0019.000000T0000Z-120815T0900Z/
HILL AND BLAINE COUNTIES-CHOUTEAU AND FERGUS COUNTIES-
LINCOLN RANGER DISTRICT OF THE HELENA NATIONAL FOREST-
CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS-
HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL
FOREST-
1252 AM MDT WED AUG 15 2012

...RED FLAG WARNING IS CANCELLED FOR DRY THUNDERSTORMS WITH GUSTY
OUTFLOW WINDS FOR FIRE WEATHER ZONES 113...115...116...117 AND 118...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS CANCELLED THE RED
FLAG WARNING. 

WITH COOLER TEMPERATURES...RECOVERING RELATIVE HUMIDITIES AND
INCREASING PRECIPITATION...CRITICAL FIRE CONDITIONS ARE NO LONGER
ANTICIPATED SO THE RED FLAG WARNING HAS BEEN CANCELLED.

$$

HTTP://WEATHER.GOV/GREATFALLS

The office that day

Everything else NWS Great Falls, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 12, 6:49 PM MDTSpecial Weather StatementTFXBlaine41 min
Aug 13, 4:25 AM MDTFire Weather WatchTFXBroadwater, Cascade, Chouteau, Fergus, Gallatin, Jefferson and 5 more11 hr
Aug 13, 9:29 AM MDTSpecial Weather StatementTFXBlaine46 min
Aug 13, 9:49 AM MDTSevere Thunderstorm WarningTFXBlaine41 min

Nearby

Red Flag Warnings in Montana, 2012Every red flag warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.