Alert archive / Montana / Red Flag Warnings in 2012
Red Flag Warning 23, NWS Great Falls, MT
NWS Great Falls, MT issued this red flag warning at Sep 7, 2012, 3:04 PM MDT for 18 counties in Montana. It took effect at Sep 9, 2012, 12:00 PM MDT. It was in force for 57 hr. 15 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
- Sep 7, 2012, 3:04 PM MDT (21:04 UTC)
- In effect from
- Sep 9, 2012, 12:00 PM MDT
- Expired
- Sep 11, 2012, 9:00 PM MDT
- In force
- 57 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 21:08 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 9, 11:30 PM MDT | TSTM WND GST 58 | 11 Ne Kremlin, MT | |
| Sep 10, 1:00 AM MDT | NON-TSTM WND GST 62 | 13 Wsw Saint Mary, MT | 62 MPH WIND GUST AT LOGAN PASS. |
| Sep 10, 6:00 AM MDT | NON-TSTM WND GST 74 | 13 Wsw Saint Mary, MT | 74 MPH WIND GUST AT LOGAN PASS. |
| Sep 10, 10:40 AM MDT | NON-TSTM WND GST 53 | 6 Wnw Browning, MT | 53 MPH WIND GUST AT THE BROWNING AIRPORT. |
| Sep 10, 11:19 AM MDT | NON-TSTM WND GST 53 | 3 Sw Cut Bank, MT | 53 MPH WIND GUST AT THE CUT BANK AIRPORT. |
| Sep 10, 11:32 AM MDT | NON-TSTM WND GST 52 | 1 E East Glacier Park, MT | 52 MPH WIND GUST AT THE DOT SENSOR JUST EAST OF EAST GLACIER PARK. |
| Sep 10, 12:00 PM MDT | NON-TSTM WND GST 53 | 8 Se East Glacier Park, MT | 53 MPH WIND GUST AT THE DEEP CREEK RAWS LOCATION. TIME OF EVENT IS ESTIMATED. |
| Sep 10, 2:00 PM MDT | HIGH SUST WINDS 40 | 3 Sw Cut Bank, MT | SUSTAINED WINDS AT 40 MPH FROM 1 PM UNTIL 2 PM AT THE CUT BANK AIRPORT. PEAK WIND GUST WAS 55 MPH AT 144 PM. |
| Sep 10, 2:26 PM MDT | NON-TSTM WND GST 60 | 3 Sw Cut Bank, MT | PEAK WIND GUST OF 60 MPH AT THE CUT BANK AIRPORT. |
| Sep 10, 3:45 PM MDT | NON-TSTM WND GST 59 | 13 W Bynum, MT | |
| Sep 10, 5:05 PM MDT | NON-TSTM WND GST 57 | 2 E Inverness, MT | 57 MPH WIND GUST AT THE DOT SENSOR JUST EAST OF INVERNESS. |
| Sep 10, 6:30 PM MDT | NON-TSTM WND GST 66 | 13 W Bynum, MT | |
| Sep 10, 6:50 PM MDT | NON-TSTM WND GST 58 | 2 Nw Pendroy, MT | |
| Sep 10, 7:00 PM MDT | NON-TSTM WND GST 85 | 13 Wsw Saint Mary, MT | 85 MPH WIND GUST AT LOGAN PASS. |
| Sep 11, 5:05 AM MDT | NON-TSTM WND GST 57 | 2 E Inverness, MT | 57 MPH WIND GUST AT THE DOT SENSOR JUST EAST OF INVERNESS. |
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, 9.1 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1075 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
673 WWUS85 KTFX 072104 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 304 PM MDT FRI SEP 7 2012 .VERY DRY AND UNSEASONABLY WARM CONDITIONS WILL COMBINE WITH INCREASING WINDS AND LOW RELATIVE HUMIDITIES AHEAD OF A COLD FRONT TO CREATE CRITICAL FIRE WEATHER CONDITIONS BEGINNING SUNDAY AFTERNOON. LIGHTNING FROM ISOLATED THUNDERSTORMS WITH THE COLD FRONTAL PASSAGE LATE SUNDAY AFTERNOON AND EVENING COULD TRIGGER NEW FIRE STARTS. CRITICAL CONDITIONS PERSIST THROUGH MONDAY EVENING AS LOW RELATIVE HUMIDITIES AND GUSTY WINDS BEHIND THE COLD FRONT CONTINUE. MTZ112>118-080500- /O.UPG.KTFX.FW.A.0015.120909T1800Z-120911T0600Z/ /O.NEW.KTFX.FW.W.0023.120909T1800Z-120911T0600Z/ EASTERN GLACIER/TOOLE/CENTRAL AND EASTERN PONDERA/LIBERTY COUNTIES-HILL AND BLAINE COUNTIES- 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- 304 PM MDT FRI SEP 7 2012 ...RED FLAG WARNING IN EFFECT FROM NOON SUNDAY TO MIDNIGHT MDT MONDAY NIGHT FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112...113...114...115...116...117 AND 118... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A RED FLAG WARNING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON SUNDAY TO MIDNIGHT MDT MONDAY NIGHT. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...FIRE WEATHER ZONES 112...113...114...115... 116...117 AND 118. * WINDS...SOUTHWEST 15 TO 20 MPH WITH GUSTS UP TO 35 MPH ON SUNDAY AFTERNOON...BECOMING WEST AT 20 TO 30 MPH WITH GUSTS UP TO 45 MPH OVER THE PLAINS ON MONDAY. LOCAL GUSTS UP TO 60 MPH WILL BE POSSIBLE ALONG THE ROCKY MOUNTAIN FRONT ON MONDAY. * RELATIVE HUMIDITY...10 TO 15 PERCENT. * THUNDERSTORMS: ISOLATED THUNDERSTORMS WILL ACCOMPANY THE FRONTAL PASSAGE LATER SUNDAY...ESPECIALLY ALONG THE CONTINENTAL DIVIDE. * IMPACTS...RAPID FIRE GROWTH IS POSSIBLE FOR UNCONTROLLED EXISTING OR NEW FIRES. LIGHTNING COULD CAUSE NEW FIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$ HTTP://WEATHER.GOV/GREATFALLS
14 follow-up statements
913 WWUS85 KTFX 080311 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 911 PM MDT FRI SEP 7 2012 .VERY DRY AND UNSEASONABLY WARM CONDITIONS WILL COMBINE WITH INCREASING WINDS AND LOW RELATIVE HUMIDITIES AHEAD OF A COLD FRONT TO CREATE CRITICAL FIRE WEATHER CONDITIONS BEGINNING SUNDAY AFTERNOON. LIGHTNING FROM ISOLATED THUNDERSTORMS WITH THE COLD FRONTAL PASSAGE LATE SUNDAY AFTERNOON AND EVENING COULD TRIGGER NEW FIRE STARTS. CRITICAL CONDITIONS SHOULD PERSIST THROUGH MONDAY EVENING AS LOW RELATIVE HUMIDITIES AND GUSTY WINDS BEHIND THE COLD FRONT CONTINUE. MTZ112>118-081200- /O.CON.KTFX.FW.W.0023.120909T1800Z-120911T0600Z/ EASTERN GLACIER/TOOLE/CENTRAL AND EASTERN PONDERA/LIBERTY COUNTIES-HILL AND BLAINE COUNTIES- 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- 911 PM MDT FRI SEP 7 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON SUNDAY TO MIDNIGHT MDT MONDAY NIGHT FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112...113...114...115...116... 117 AND 118... A RED FLAG WARNING REMAINS IN EFFECT FROM NOON SUNDAY TO MIDNIGHT MDT MONDAY NIGHT. * AFFECTED AREA...FIRE WEATHER ZONES 112...113...114...115... 116...117 AND 118. * WINDS...SOUTHWEST 15 TO 20 MPH WITH GUSTS UP TO 35 MPH ON SUNDAY AFTERNOON...BECOMING WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH OVER THE PLAINS ON MONDAY. LOCAL GUSTS UP TO 60 MPH ARE POSSIBLE ALONG THE ROCKY MOUNTAIN FRONT MONDAY. * RELATIVE HUMIDITY...10 TO 15 PERCENT. * THUNDERSTORMS: ISOLATED THUNDERSTORMS WILL ACCOMPANY THE FRONTAL PASSAGE LATER SUNDAY...ESPECIALLY ALONG THE CONTINENTAL DIVIDE. * IMPACTS...RAPID FIRE GROWTH IS POSSIBLE FOR UNCONTROLLED EXISTING OR NEW FIRES. LIGHTNING COULD CAUSE NEW FIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$ HTTP://WEATHER.GOV/GREATFALLS
521 WWUS85 KTFX 081014 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 414 AM MDT SAT SEP 8 2012 .VERY DRY AND UNSEASONABLY WARM CONDITIONS WILL COMBINE WITH INCREASING WINDS AND LOW RELATIVE HUMIDITIES AHEAD OF A COLD FRONT TO CREATE CRITICAL FIRE WEATHER CONDITIONS BEGINNING SUNDAY AFTERNOON. LIGHTNING FROM ISOLATED THUNDERSTORMS WITH THE COLD FRONTAL PASSAGE LATE SUNDAY AFTERNOON AND EVENING COULD TRIGGER NEW FIRE STARTS. CRITICAL CONDITIONS SHOULD PERSIST THROUGH MONDAY EVENING AS LOW RELATIVE HUMIDITIES AND GUSTY WINDS BEHIND THE COLD FRONT CONTINUE. MTZ112>118-081800- /O.CON.KTFX.FW.W.0023.120909T1800Z-120911T0600Z/ EASTERN GLACIER/TOOLE/CENTRAL AND EASTERN PONDERA/LIBERTY COUNTIES-HILL AND BLAINE COUNTIES- 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- 414 AM MDT SAT SEP 8 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON SUNDAY TO MIDNIGHT MDT MONDAY NIGHT FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112...113...114...115...116... 117 AND 118... A RED FLAG WARNING REMAINS IN EFFECT FROM NOON SUNDAY TO MIDNIGHT MDT MONDAY NIGHT. * AFFECTED AREA...FIRE WEATHER ZONES 112...113...114...115... 116...117 AND 118. * WINDS...SOUTHWEST 15 TO 20 MPH WITH GUSTS UP TO 35 MPH ON SUNDAY AFTERNOON...BECOMING WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH OVER THE PLAINS ON MONDAY. LOCAL GUSTS UP TO 60 MPH ARE POSSIBLE ALONG THE ROCKY MOUNTAIN FRONT MONDAY. * RELATIVE HUMIDITY...10 TO 15 PERCENT. * THUNDERSTORMS: ISOLATED THUNDERSTORMS WILL ACCOMPANY THE FRONTAL PASSAGE LATER SUNDAY...ESPECIALLY ALONG THE CONTINENTAL DIVIDE. * IMPACTS...RAPID FIRE GROWTH IS POSSIBLE FOR UNCONTROLLED EXISTING OR NEW FIRES. LIGHTNING COULD CAUSE NEW FIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$ HTTP://WEATHER.GOV/GREATFALLS
688 WWUS85 KTFX 081759 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 1159 AM MDT SAT SEP 8 2012 .VERY DRY AND UNSEASONABLY WARM CONDITIONS WILL COMBINE WITH INCREASING WINDS AND LOW RELATIVE HUMIDITIES AHEAD OF A COLD FRONT TO CREATE CRITICAL FIRE WEATHER CONDITIONS BEGINNING SUNDAY AFTERNOON. LIGHTNING FROM ISOLATED THUNDERSTORMS WITH THE COLD FRONTAL PASSAGE LATE SUNDAY AFTERNOON AND EVENING COULD TRIGGER NEW FIRE STARTS. CRITICAL CONDITIONS SHOULD PERSIST THROUGH MONDAY EVENING AS LOW RELATIVE HUMIDITIES AND GUSTY WINDS BEHIND THE COLD FRONT CONTINUE. MTZ112>118-090600- /O.CON.KTFX.FW.W.0023.120909T1800Z-120911T0600Z/ EASTERN GLACIER/TOOLE/CENTRAL AND EASTERN PONDERA/LIBERTY COUNTIES-HILL AND BLAINE COUNTIES- LEWIS AND CLARK NATIONAL FOREST ROCKY MOUNTAIN DISTRICT/ROCKY MOUNTAIN FRONT-CHOUTEAU AND FERGUS COUNTIES- LINCOLN RANGER DISTRICT OF THE HELENA NATIONAL FOREST- CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS- HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL FOREST- 1159 AM MDT SAT SEP 8 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON SUNDAY TO MIDNIGHT MDT MONDAY NIGHT FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112...113...114...115...116...117 AND 118... A RED FLAG WARNING REMAINS IN EFFECT FROM NOON SUNDAY TO MIDNIGHT MDT MONDAY NIGHT. * AFFECTED AREA...FIRE WEATHER ZONES 112...113...114...115... 116...117 AND 118. * WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH. * RELATIVE HUMIDITY...AS LOW AS 11 PERCENT. * THUNDERSTORMS: ISOLATED THUNDERSTORMS WILL ACCOMPANY THE FRONTAL PASSAGE LATER SUNDAY...ESPECIALLY ALONG THE CONTINENTAL DIVIDE. * IMPACTS...RAPID FIRE GROWTH IS POSSIBLE FOR UNCONTROLLED EXISTING OR NEW FIRES. LIGHTNING COULD CAUSE NEW FIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$ HTTP://WEATHER.GOV/GREATFALLS
551 WWUS85 KTFX 090258 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 858 PM MDT SAT SEP 8 2012 .VERY DRY AND UNSEASONABLY WARM CONDITIONS WILL COMBINE WITH INCREASING WINDS AND LOW RELATIVE HUMIDITIES AHEAD OF A COLD FRONT TO CREATE CRITICAL FIRE WEATHER CONDITIONS BEGINNING SUNDAY AFTERNOON. LIGHTNING FROM ISOLATED THUNDERSTORMS WITH THE COLD FRONTAL PASSAGE LATE SUNDAY AFTERNOON AND EVENING COULD TRIGGER NEW FIRE STARTS. CRITICAL CONDITIONS SHOULD PERSIST THROUGH MONDAY EVENING AS LOW RELATIVE HUMIDITIES AND GUSTY WINDS BEHIND THE COLD FRONT CONTINUE. MTZ112>118-091500- /O.CON.KTFX.FW.W.0023.120909T1800Z-120911T0600Z/ EASTERN GLACIER/TOOLE/CENTRAL AND EASTERN PONDERA/LIBERTY COUNTIES-HILL AND BLAINE COUNTIES- 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- 858 PM MDT SAT SEP 8 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON SUNDAY TO MIDNIGHT MDT MONDAY NIGHT FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112...113...114...115...116... 117 AND 118... A RED FLAG WARNING REMAINS IN EFFECT FROM NOON SUNDAY TO MIDNIGHT MDT MONDAY NIGHT. * AFFECTED AREA...FIRE WEATHER ZONES 112...113...114...115... 116...117 AND 118. * WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 55 MPH. * RELATIVE HUMIDITY...AS LOW AS 10 PERCENT. * THUNDERSTORMS: ISOLATED THUNDERSTORMS WILL ACCOMPANY THE FRONTAL PASSAGE LATER SUNDAY...ESPECIALLY ALONG THE CONTINENTAL DIVIDE. * IMPACTS...RAPID FIRE GROWTH IS POSSIBLE FOR UNCONTROLLED EXISTING OR NEW FIRES. LIGHTNING COULD CAUSE NEW FIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$ HTTP://WEATHER.GOV/GREATFALLS
312 WWUS85 KTFX 090950 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 350 AM MDT SUN SEP 9 2012 .VERY DRY AND UNSEASONABLY WARM CONDITIONS WILL COMBINE WITH INCREASING WINDS AND LOW RELATIVE HUMIDITIES AHEAD OF A COLD FRONT TO CREATE CRITICAL FIRE WEATHER CONDITIONS BEGINNING THIS AFTERNOON. LIGHTNING FROM ISOLATED THUNDERSTORMS WITH THE COLD FRONTAL PASSAGE LATE THIS AFTERNOON AND EVENING COULD TRIGGER NEW FIRE STARTS AS WELL. CRITICAL CONDITIONS WILL PERSIST THROUGH MONDAY EVENING AS LOW RELATIVE HUMIDITIES AND GUSTY WINDS BEHIND THE COLD FRONT CONTINUE. MTZ112>118-092200- /O.CON.KTFX.FW.W.0023.120909T1800Z-120911T0600Z/ EASTERN GLACIER/TOOLE/CENTRAL AND EASTERN PONDERA/LIBERTY COUNTIES-HILL AND BLAINE COUNTIES- 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- 350 AM MDT SUN SEP 9 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT MONDAY NIGHT FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112...113...114...115...116...117 AND 118... A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT MONDAY NIGHT. * AFFECTED AREA...FIRE WEATHER ZONES 112...113...114...115... 116...117 AND 118. * WINDS...SOUTHWEST 20 TO 30 MPH. WITH GUSTS UP TO 60 MPH IN FIRE WEATHER ZONE 112. GUSTS UP TO 45 MPH ELSEWHERE. * RELATIVE HUMIDITY...AS LOW AS 7-14 PERCENT TODAY...12-22 PERCENT MONDAY. * THUNDERSTORMS: ISOLATED THUNDERSTORMS WILL ACCOMPANY A FRONTAL PASSAGE LATE THIS AFTERNOON AND EVENING. GUSTY DOWNDRAFT WINDS AND LITTLE OR NO PRECIPITATION WILL ACCOMPANY THUNDERSTORM ACTIVITY. * TIMING: SOUTHWEST WINDS WILL INCREASE THIS AFTERNOON INITIALLY OVER AND ADJACENT TO AREAS NEAR THE CONTINENTAL DIVIDE AND SPREAD EAST THIS EVENING. A FRONTAL PASSAGE THIS EVENING WILL SHIFT WINDS TO THE WEST A PERIOD OF GUSTY WEST WINDS DEVELOPING BEHIND THE FRONTAL PASSAGE. WINDS WILL INCREASE FURTHER ON MONDAY WITH HUMIDITY REMAINING CRITICALLY LOW. * IMPACTS...RAPID FIRE GROWTH IS POSSIBLE FOR UNCONTROLLED EXISTING OR NEW FIRES. LIGHTNING COULD CAUSE NEW FIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$ HTTP://WEATHER.GOV/GREATFALLS
898 WWUS85 KTFX 092044 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 244 PM MDT SUN SEP 9 2012 MTZ112>118-100700- /O.CON.KTFX.FW.W.0023.000000T0000Z-120911T0600Z/ EASTERN GLACIER/TOOLE/CENTRAL AND EASTERN PONDERA/LIBERTY COUNTIES-HILL AND BLAINE COUNTIES- 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- 244 PM MDT SUN SEP 9 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT MONDAY NIGHT FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112...113...114...115...116...117 AND 118... A RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT MONDAY NIGHT. * AFFECTED AREA...FIRE WEATHER ZONES 112...113...114...115... 116...117 AND 118. * WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 40 MPH TONIGHT AND GUSTS UP TO 55 MPH ON MONDAY. * RELATIVE HUMIDITY...AS LOW AS 10 PERCENT. * THUNDERSTORMS: ISOLATED THUNDERSTORMS WILL ACCOMPANY A FRONTAL PASSAGE THIS EVENING. GUSTY DOWNDRAFT WINDS AND LITTLE OR NO PRECIPITATION WILL ACCOMPANY THUNDERSTORM ACTIVITY. * TIMING: SOUTHWEST WINDS WILL INITIALLY INCREASE THIS EVENING OVER AND ADJACENT TO AREAS NEAR THE CONTINENTAL DIVIDE AND SPREAD EAST BY MIDNIGHT. WINDS WILL BECOME GUSTY WITH THE INITIAL FRONTAL PASSAGE AND THEN DECREASE AFTER MIDNIGHT. WINDS WILL INCREASE FURTHER ON MONDAY WITH HUMIDITY REMAINING CRITICALLY LOW. * IMPACTS...RAPID FIRE GROWTH IS POSSIBLE FOR UNCONTROLLED EXISTING OR NEW FIRES. LIGHTNING COULD CAUSE NEW FIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$ HTTP://WEATHER.GOV/GREATFALLS
895 WWUS85 KTFX 100320 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 920 PM MDT SUN SEP 9 2012 MTZ112>118-101300- /O.CON.KTFX.FW.W.0023.000000T0000Z-120911T0600Z/ EASTERN GLACIER/TOOLE/CENTRAL AND EASTERN PONDERA/LIBERTY COUNTIES-HILL AND BLAINE COUNTIES- LEWIS AND CLARK NATIONAL FOREST ROCKY MOUNTAIN DISTRICT/ROCKY MOUNTAIN FRONT-CHOUTEAU AND FERGUS COUNTIES- LINCOLN RANGER DISTRICT OF THE HELENA NATIONAL FOREST- CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS- HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL FOREST- 920 PM MDT SUN SEP 9 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT MONDAY NIGHT FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112...113...114...115...116...117 AND 118... A RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT MONDAY NIGHT. * AFFECTED AREA...FIRE WEATHER ZONES 112...113...114...115... 116...117 AND 118. * WINDS...WEST WINDS 15 TO 25 MPH OVER THE ROCKY MOUNTAIN FRONT BUT 10 TO 20 MPH FARTHER EAST TONIGHT WILL INCREASE LATE TONIGHT OVER THE ROCKY MOUNTAIN FRONT AND FARTHER EAST ON MONDAY BECOMING WEST 25 TO 35 MPH WITH GUSTS UP TO 55 MPH. * RELATIVE HUMIDITY...AS LOW AS 10 PERCENT. * IMPACTS...RAPID FIRE GROWTH IS POSSIBLE FOR UNCONTROLLED EXISTING OR NEW FIRES. LIGHTNING COULD CAUSE NEW FIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$ HTTP://WEATHER.GOV/GREATFALLS
730 WWUS85 KTFX 100747 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 147 AM MDT MON SEP 10 2012 MTZ112>118-102200- /O.CON.KTFX.FW.W.0023.000000T0000Z-120911T0600Z/ EASTERN GLACIER/TOOLE/CENTRAL AND EASTERN PONDERA/LIBERTY COUNTIES-HILL AND BLAINE COUNTIES- 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- 147 AM MDT MON SEP 10 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112...113...114...115...116...117 AND 118... A RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. * AFFECTED AREA...FIRE WEATHER ZONES 112...113...114...115... 116...117 AND 118. * WINDS...WEST WINDS WILL INCREASE TODAY ACROSS THE REGION WITH SUSTAINED WINDS 30 TO 40 MPH ALONG NORTHERN PORTIONS OF THE ROCKY MOUNTAIN FRONT AND ADJACENT PLAINS AND WINDS 20 TO 30 MPH ELSEWHERE BY THIS AFTERNOON. GUSTS UP TO 60 MPH ARE LIKELY ALONG THE NORTHERN ROCKY MOUNTAIN FRONT WITH GUSTS UP TO 45 MPH ELSEWHERE. WINDS WILL GRADUALLY DIMINISH LATE THIS EVENING...BUT WILL BECOME BREEZY AGAIN ON TUESDAY OVER THE NORTH CENTRAL MONTANA PLAINS. * RELATIVE HUMIDITY...10 TO 20 PERCENT PLAINS/VALLEYS...20-30 PERCENT IN THE MOUNTAINS. * IMPACTS...RAPID FIRE GROWTH IS POSSIBLE FOR UNCONTROLLED EXISTING OR NEW FIRES. LIGHTNING COULD CAUSE NEW FIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$ HTTP://WEATHER.GOV/GREATFALLS
505 WWUS85 KTFX 102012 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 212 PM MDT MON SEP 10 2012 MTZ112>118-110600- /O.CON.KTFX.FW.W.0023.000000T0000Z-120911T0600Z/ EASTERN GLACIER/TOOLE/CENTRAL AND EASTERN PONDERA/LIBERTY COUNTIES-HILL AND BLAINE COUNTIES- LEWIS AND CLARK NATIONAL FOREST ROCKY MOUNTAIN DISTRICT/ROCKY MOUNTAIN FRONT-CHOUTEAU AND FERGUS COUNTIES- LINCOLN RANGER DISTRICT OF THE HELENA NATIONAL FOREST- CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS- HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL FOREST- 212 PM MDT MON SEP 10 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112...113...114...115...116...117 AND 118... A RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. * AFFECTED AREA...FIRE WEATHER ZONES 112...113...114...115... 116...117 AND 118. * WINDS...WEST 25 TO 35 MPH...WITH GUSTS UP TO 55 MPH. * RELATIVE HUMIDITY...AS LOW AS 8 PERCENT. * IMPACTS...RAPID FIRE GROWTH IS POSSIBLE FOR UNCONTROLLED EXISTING OR NEW FIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$ HTTP://WEATHER.GOV/GREATFALLS
283 WWUS85 KTFX 102022 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 222 PM MDT MON SEP 10 2012 MTZ112>118-110400- /O.EXT.KTFX.FW.W.0023.000000T0000Z-120912T0300Z/ EASTERN GLACIER/TOOLE/CENTRAL AND EASTERN PONDERA/LIBERTY COUNTIES-HILL AND BLAINE COUNTIES- 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- 222 PM MDT MON SEP 10 2012 ...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT TUESDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112...113...114...115...116...117 AND 118... THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 9 PM MDT TUESDAY. * AFFECTED AREA...FIRE WEATHER ZONES 112...113...114...115... 116...117 AND 118. * WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 55 MPH. WIND SPEEDS WILL DECREASE A BIT DURING THE OVERNIGHT HOURS...BUT WILL RE-INTENSIFY AGAIN ON TUESDAY MORNING. * RELATIVE HUMIDITY...AS LOW AS 8 PERCENT. * IMPACTS...RAPID FIRE GROWTH IS POSSIBLE FOR UNCONTROLLED EXISTING OR NEW FIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$ HTTP://WEATHER.GOV/GREATFALLS
643 WWUS85 KTFX 110304 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 904 PM MDT MON SEP 10 2012 MTZ112>118-111300- /O.CON.KTFX.FW.W.0023.000000T0000Z-120912T0300Z/ EASTERN GLACIER/TOOLE/CENTRAL AND EASTERN PONDERA/LIBERTY COUNTIES-HILL AND BLAINE COUNTIES- LEWIS AND CLARK NATIONAL FOREST ROCKY MOUNTAIN DISTRICT/ROCKY MOUNTAIN FRONT-CHOUTEAU AND FERGUS COUNTIES- LINCOLN RANGER DISTRICT OF THE HELENA NATIONAL FOREST- CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS- HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL FOREST- 904 PM MDT MON SEP 10 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT TUESDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112...113...114...115...116...117 AND 118... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT TUESDAY. * AFFECTED AREA...FIRE WEATHER ZONES 112...113...114...115... 116...117 AND 118. * WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...RAPID FIRE GROWTH IS POSSIBLE FOR UNCONTROLLED EXISTING OR NEW FIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$ HTTP://WEATHER.GOV/GREATFALLS
252 WWUS85 KTFX 111006 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 406 AM MDT TUE SEP 11 2012 MTZ112>118-112215- /O.CON.KTFX.FW.W.0023.000000T0000Z-120912T0300Z/ EASTERN GLACIER/TOOLE/CENTRAL AND EASTERN PONDERA/LIBERTY COUNTIES-HILL AND BLAINE COUNTIES- 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- 406 AM MDT TUE SEP 11 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112...113...114...115...116...117 AND 118... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONES 112...113...114...115... 116...117 AND 118. * WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...10 TO 15 PERCENT. * IMPACTS...RAPID FIRE GROWTH IS POSSIBLE FOR UNCONTROLLED EXISTING OR NEW FIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$ HTTP://WEATHER.GOV/GREATFALLS
267 WWUS85 KTFX 111930 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 130 PM MDT TUE SEP 11 2012 MTZ112>118-120300- /O.CON.KTFX.FW.W.0023.000000T0000Z-120912T0300Z/ EASTERN GLACIER/TOOLE/CENTRAL AND EASTERN PONDERA/LIBERTY COUNTIES-HILL AND BLAINE COUNTIES- LEWIS AND CLARK NATIONAL FOREST ROCKY MOUNTAIN DISTRICT/ROCKY MOUNTAIN FRONT-CHOUTEAU AND FERGUS COUNTIES- LINCOLN RANGER DISTRICT OF THE HELENA NATIONAL FOREST- CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS- HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL FOREST- 130 PM MDT TUE SEP 11 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112...113...114...115...116...117 AND 118... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONES 112...113...114...115... 116...117 AND 118. * WINDS...WEST 15 TO 20 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...10 TO 15 PERCENT. * IMPACTS...RAPID FIRE GROWTH IS POSSIBLE FOR UNCONTROLLED EXISTING OR NEW FIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$ HTTP://WEATHER.GOV/GREATFALLS
040 WWUS85 KTFX 120233 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 833 PM MDT TUE SEP 11 2012 MTZ112>118-120345- /O.EXP.KTFX.FW.W.0023.000000T0000Z-120912T0300Z/ EASTERN GLACIER/TOOLE/CENTRAL AND EASTERN PONDERA/LIBERTY COUNTIES-HILL AND BLAINE COUNTIES- 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- 833 PM MDT TUE SEP 11 2012 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR FIRE WEATHER ZONES 112...113...114... 115...116...117 AND 118... THE RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING. WHILE RH VALUES WILL CONTINUE TO REMAIN LOW...WINDS ARE NOT EXPECTED TO BE AS STRONG OVERNIGHT AND WEDNESDAY SO THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AT 9 PM. $$ 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 |
|---|---|---|---|---|
| Sep 7, 4:01 AM MDT | Fire Weather Watch | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 11 hr |
| Sep 7, 2:38 PM MDT | High Wind Watch | TFX | 59 hr |
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.