Alert archive / Montana / Red Flag Warnings in 2012
Red Flag Warning 9, NWS Great Falls, MT
NWS Great Falls, MT issued this red flag warning at Jun 25, 2012, 2:42 PM MDT for 8 counties in Montana. It took effect at Jun 26, 2012, 10:00 AM MDT. It was in force for 14 hr. 13 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
- Jun 25, 2012, 2:42 PM MDT (20:42 UTC)
- In effect from
- Jun 26, 2012, 10:00 AM MDT
- Expired
- Jun 27, 2012, 12:00 AM MDT
- In force
- 14 hr
- Issued by
- NWS Great Falls, MT
Counties Broadwater County, MT, Cascade County, MT, Fergus County, MT, Gallatin County, MT, Jefferson County, MT, Judith Basin County, MT, Lewis and Clark County, MT, Meagher County, MT
The radar
The Great Falls radar (KTFX), 90 km from the middle of the area, began a volume at 20:44 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 |
|---|---|---|---|
| Jun 26, 10:37 AM MDT | NON-TSTM WND GST 60 | 6 Se Winston, MT | 60 MPH WIND GUST AT THE SILOS MESONET SITE. |
| Jun 26, 11:30 AM MDT | NON-TSTM WND GST 65 | 6 Se Winston, MT | 65 MPH WIND GUST AT THE SILOS MESONET SITE. |
| Jun 26, 11:45 AM MDT | TSTM WND GST 55 | 32 Wsw Bynum, MT | 55 MPH WIND GUST WHEN THE THUNDERSTORM MOVED THROUGH AT THE GATES PARK RAWS LOCATION. TIME IS ESTIMATED. |
| Jun 26, 12:20 PM MDT | NON-TSTM WND GST 59 | 3 Wnw East Helena, MT | 59 MPH WIND GUST AT THE HELENA AIRPORT AS THE COLD FRONT MOVED THROUGH. DRY FRONTAL PASSAGE. |
| Jun 26, 1:04 PM MDT | NON-TSTM WND GST 58 | 3 Nne Monarch, MT | 58 MPH WIND GUST AT THE DOT SENSOR NEAR MONARCH. |
| Jun 26, 1:10 PM MDT | HAIL 1 | 11 N Black Eagle, MT | |
| Jun 26, 1:15 PM MDT | NON-TSTM WND GST 54 | 4 W Helena, MT | 54 MPH WIND GUST AFTER COLD FRONT WENT THROUGH. |
| Jun 26, 2:22 PM MDT | NON-TSTM WND GST 54 | 11 E Bozeman, MT | 54 MPH PEAK WIND GUST AT THE DOT SENSOR ON BOZEMAN PASS. |
| Jun 26, 2:23 PM MDT | NON-TSTM WND GST 65 | 6 Se Winston, MT | 65 MPH WIND GUST AT THE SILOS MESONET SITE. |
| Jun 26, 2:27 PM MDT | NON-TSTM WND GST 58 | 17 Sw Simms, MT | 58 MPH WIND GUST NEAR BOWMANS. WINDS SUSTAINED AT 46 MPH. |
| Jun 26, 3:00 PM MDT | NON-TSTM WND GST 70 | 16 S Three Forks, MT | ESTIMATED 70 MPH WIND GUST ON THE BEAR TRAP 2 FIRE. ALSO PEAK WIND GUST TO 69 MPH AT THE YELLOW MULE RAWS LOCATION AT 100 PM. |
| Jun 26, 3:30 PM MDT | NON-TSTM WND GST 59 | 5 Sw Great Falls, MT | 59 MPH PEAK WIND GUST AT THE NWS GREAT FALLS OFFICE. |
| Jun 26, 7:00 PM MDT | NON-TSTM WND GST 61 | 32 Wsw Bynum, MT | GATES PARK RAWS SITE |
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 96 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1300 J/kg
- Mixed-layer CIN
- -223 J/kg
- Mixed-layer LCL
- 551 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 263 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
827 WWUS85 KTFX 252042 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 242 PM MDT MON JUN 25 2012 MTZ117-260300- /O.NEW.KTFX.FW.W.0009.120626T1600Z-120627T0300Z/ /O.EXA.KTFX.FW.W.0008.000000T0000Z-120626T0300Z/ CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS- 242 PM MDT MON JUN 25 2012 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 117...FOR MEAGHER COUNTY ONLY. ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MDT TUESDAY FOR FRONTAL PASSAGE...GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 117 FOR MEAGHER COUNTY ONLY... 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. A RED FLAG WARNING HAS ALSO BEEN ISSUED FROM 10 AM TO 9 PM MDT TUESDAY FOR FRONTAL PASSAGE...GUSTY WINDS AND LOW HUMIDITIES. TODAY * AFFECTED AREA...FIRE WEATHER ZONE 117...MEAGHER COUNTY ONLY. * WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 8 PERCENT. * IMPACTS...THE COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITIES WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THROUGH THIS EVENING...WITH RAPID FIRE GROWTH IN AREAS WHERE FUELS ARE DRY. TUESDAY * AFFECTED AREA...FIRE WEATHER ZONE 117...MEAGHER COUNTY ONLY. * WINDS...SOUTHWEST 25 TO 35 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...10 TO 15 PERCENT. * FRONTAL PASSAGE...TUESDAY AFTERNOON BETWEEN 2 PM AND 6 PM EXPECT A WIND SHIFT TO WEST. * IMPACTS...THE COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITIES WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THROUGH THIS EVENING...WITH RAPID FIRE GROWTH IN AREAS WHERE FUELS ARE DRY. && $$ MTZ118-260300- /O.NEW.KTFX.FW.W.0009.120626T1600Z-120627T0300Z/ /O.CON.KTFX.FW.W.0008.000000T0000Z-120626T0300Z/ HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL FOREST- 242 PM MDT MON JUN 25 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 118... ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MDT TUESDAY FOR FRONTAL PASSAGE...GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 118... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A RED FLAG WARNING FOR FRONTAL PASSAGE...GUSTY WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 10 AM TO 9 PM MDT TUESDAY. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. TODAY * AFFECTED AREA...FIRE WEATHER ZONE 118. * WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 10 PERCENT. * IMPACTS...THE COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITIES WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THROUGH THIS EVENING...WITH RAPID FIRE GROWTH IN AREAS WHERE FUELS ARE DRY. TUESDAY * AFFECTED AREA...FIRE WEATHER ZONE 118. * WINDS...SOUTHWEST 25 TO 35 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS 10 TO 15 PERCENT. * FRONTAL PASSAGE...TUESDAY AFTERNOON BETWEEN 1 PM AND 5 PM EXPECT A WIND SHIFT TO WEST. * IMPACTS...THE COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITIES WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THROUGH THIS EVENING...WITH RAPID FIRE GROWTH IN AREAS WHERE FUELS ARE DRY. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. $$ HTTP://WEATHER.GOV/GREATFALLS
4 follow-up statements
091 WWUS85 KTFX 260323 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 923 PM MDT MON JUN 25 2012 MTZ117-118-261530- /O.EXP.KTFX.FW.W.0008.000000T0000Z-120626T0300Z/ /O.CON.KTFX.FW.W.0009.120626T1600Z-120627T0300Z/ CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS- HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL FOREST- 923 PM MDT MON JUN 25 2012 ...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE WEATHER ZONES 117 AND 118... ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT TUESDAY FOR FRONTAL PASSAGE...GUSTY WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE WEATHER ZONE 118 AND FIRE WEATHER ZONE 117...MEAGHER COUNTY ONLY... THE RED FLAG WARNING IS NO LONGER IN EFFECT. A RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT TUESDAY. TUESDAY * AFFECTED AREA...FIRE WEATHER ZONE 118 AND FIRE WEATHER ZONE 117...MEAGHER COUNTY ONLY. * WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. * RELATIVE HUMIDITY...AS LOW AS 10 TO 15 PERCENT. * FRONTAL PASSAGE...TUESDAY AFTERNOON BETWEEN 1 PM AND 5 PM. EXPECT A WIND SHIFT TO THE WEST. * IMPACTS...THE COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITIES WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THROUGH THIS EVENING...WITH RAPID FIRE GROWTH IN AREAS WHERE FUELS ARE DRY. && PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$ HTTP://WEATHER.GOV/GREATFALLS
724 WWUS85 KTFX 261345 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 744 AM MDT TUE JUN 26 2012 MTZ117-118-270300- /O.CON.KTFX.FW.W.0009.120626T1600Z-120627T0300Z/ CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS- HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL FOREST- 744 AM MDT TUE JUN 26 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR GUSTY WINDS...LOW RELATIVE HUMIDITIES AND A COLD FRONTAL PASSAGE WITH A STRONG WIND SHIFT FOR FIRE WEATHER ZONES 118 AND SOUTHERN PORTIONS OF 117... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 118 AND SOUTHERN PORTIONS OF FIRE WEATHER ZONE 117 WHICH INCLUDES MEAGHER COUNTY ONLY. * WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH BECOMING WEST TO NORTHWEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH. * RELATIVE HUMIDITY...AS LOW AS 15 PERCENT. * FRONTAL PASSAGE...THIS AFTERNOON BETWEEN 1 PM AND 5 PM. EXPECT A WIND SHIFT TO THE WEST-NORTHWEST. * IMPACTS...THE COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITIES WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THROUGH THIS EVENING...WITH RAPID FIRE GROWTH IN AREAS WHERE FUELS ARE DRY. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$ HTTP://WEATHER.GOV/GREATFALLS
577 WWUS85 KTFX 270250 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 850 PM MDT TUE JUN 26 2012 MTZ117-270400- /O.CAN.KTFX.FW.W.0009.000000T0000Z-120627T0300Z/ CENTRAL AND EASTERN LEWIS AND CLARK NATIONAL FOREST AREAS- 850 PM MDT TUE JUN 26 2012 ...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 117... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS CANCELLED THE RED FLAG WARNING. AS TEMPERATURES CONTINUE TO FALL THIS EVENING...RELATIVE HUMIDITIES WILL INCREASE. HOWEVER...WINDS WILL REMAIN BREEZY THROUGH MIDNIGHT. $$ MTZ118-270600- /O.EXT.KTFX.FW.W.0009.000000T0000Z-120627T0600Z/ HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL FOREST- 850 PM MDT TUE JUN 26 2012 ...RED FLAG WARNING NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 118... THE RED FLAG WARNING IS NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. * AFFECTED AREA...FIRE WEATHER ZONE 118. * WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 12 PERCENT. * IMPACTS...CONTINUED STRONG WINDS AND LOW RELATIVE HUMIDITIES WILL KEEP CRITICAL FIRE WEATHER CONDITIONS THROUGH MIDNIGHT...WITH RAPID FIRE GROWTH IN AREAS WHERE FUELS ARE DRY AND WILDFIRES EXIST. CONDITIONS WILL IMPROVE ON WEDNESDAY WITH LIGHTER WINDS EXPECTED. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THESE AREAS OF THIS RED FLAG WARNING. && $$ HTTP://WEATHER.GOV/GREATFALLS
999 WWUS85 KTFX 270553 RFWTFX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 1153 PM MDT TUE JUN 26 2012 MTZ118-270700- /O.EXP.KTFX.FW.W.0009.000000T0000Z-120627T0600Z/ HELENA AND TOWNSEND RANGER DISTRICTS OF THE HELENA NATIONAL FOREST- 1153 PM MDT TUE JUN 26 2012 ...RED FLAG WARNING WILL EXPIRE AT MIDNIGHT MDT TONIGHT FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 118... THE RED FLAG WARNING WILL EXPIRE AT MIDNIGHT MDT TONIGHT. HUMIDITY VALUES HAVE INCREASED AND THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AT MIDNIGHT. $$ 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 |
|---|---|---|---|---|
| Jun 24, 8:35 PM MDT | Red Flag Warning | TFX | Broadwater, Cascade, Fergus, Gallatin, Jefferson, Judith Basin and 2 more | 24 hr |
| Jun 24, 11:20 PM MDT | Special Weather Statement | TFX | Hill | 40 min |
| Jun 24, 11:52 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 38 min |
| Jun 25, 12:23 AM MDT | Severe Thunderstorm Warning | TFX | Hill | 37 min |
| Jun 25, 12:58 AM MDT | Severe Thunderstorm Warning | TFX | Blaine, Hill | 30 min |
| Jun 25, 2:45 PM MDT | High Wind Watch | TFX | 21 hr | |
| Jun 25, 4:19 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 26 min |
| Jun 25, 4:44 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 46 min |
| Jun 25, 5:33 PM MDT | Special Weather Statement | TFX | Pondera | 42 min |
| Jun 25, 5:38 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Pondera, Teton | 52 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.