Alert archive / Montana / Red Flag Warnings in 2021
Red Flag Warning 1, NWS Glasgow, MT
NWS Glasgow, MT issued this red flag warning at Mar 6, 2021, 2:24 AM MST for 9 counties in Montana. It took effect at Mar 6, 2021, 12:00 PM MST. It was in force for 8 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
- Mar 6, 2021, 2:24 AM MST (09:24 UTC)
- In effect from
- Mar 6, 2021, 12:00 PM MST
- Expired
- Mar 6, 2021, 8:00 PM MST
- In force
- 8 hr
- Issued by
- NWS Glasgow, MT
Counties Dawson County, MT, Garfield County, MT, McCone County, MT, Petroleum County, MT, Phillips County, MT, Prairie County, MT, Richland County, MT, Valley County, MT, Wibaux County, MT
The radar
The Glasgow radar (KGGW), 88 km from the middle of the area, began a volume at 09:25 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
Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 9.4 hours before the alert went out and 89 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
- 3124 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
679 WWUS85 KGGW 060924 RFWGGW URGENT - FIRE WEATHER MESSAGE National Weather Service Glasgow MT 224 AM MST Sat Mar 6 2021 ...Approaching Cold Front Increasing Wind and Lowering Humidity... .South to southwest winds will increase and humidity will lower ahead of a cold front this afternoon creating critical fire weather conditions. MTZ136-137-062130- /O.UPG.KGGW.FW.A.0001.210306T2100Z-210307T0300Z/ /O.NEW.KGGW.FW.W.0001.210306T1900Z-210307T0300Z/ The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge- Southern Petroleum and Southern Garfield Counties- 224 AM MST Sat Mar 6 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MST THIS EVENING FOR LOW HUMIDITY AND GUSTY SOUTHWEST WINDS FOR FIRE WEATHER ZONES 136 AND 137... The National Weather Service in Glasgow has issued a Red Flag Warning for low humidity and gusty southwest winds, which is in effect from noon today to 8 PM MST this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 136 and 137. * TIMING...Saturday afternoon and evening (2 pm-8 pm) * WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 16 percent. * TEMPERATURES...In the lower to mid 60s. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ MTZ122-062130- /O.UPG.KGGW.FW.A.0001.210306T1900Z-210307T0100Z/ /O.NEW.KGGW.FW.W.0001.210306T1900Z-210307T0300Z/ Dawson/McCone/Prairie/Richland/Wibaux Counties- 224 AM MST Sat Mar 6 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MST THIS EVENING FOR LOW HUMIDITY AND GUSTY SOUTH FOR FIRE WEATHER ZONE 122... The National Weather Service in Glasgow has issued a Red Flag Warning for low humidity and gusty south winds, which is in effect from noon today to 8 PM MST this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zone 122. * TIMING...Saturday afternoon (noon to 6 pm). * WINDS...South 15 to 25 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 19 percent. * TEMPERATURES...In the lower 60s. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ MTZ135-062130- /O.NEW.KGGW.FW.W.0001.210306T1900Z-210307T0300Z/ The Little Rockies- 224 AM MST Sat Mar 6 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MST THIS EVENING FOR LOW HUMIDITY AND GUSTY SOUTHWEST WINDS FOR FIRE WEATHER ZONE 135... The National Weather Service in Glasgow has issued a Red Flag Warning for low humidity and gusty southwest winds, which is in effect from noon today to 8 PM MST this evening. * AFFECTED AREA...Fire Weather Zone 135. * TIMING...Noon to 8 pm today. * WINDS...Southwest 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 18 percent. * TEMPERATURES...In the lower 60s. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ http://www.weather.gov/glasgow
2 follow-up statements
886 WWUS85 KGGW 062047 RFWGGW URGENT - FIRE WEATHER MESSAGE National Weather Service Glasgow MT 147 PM MST Sat Mar 6 2021 ...Approaching Cold Front Increasing Wind and Lowering Humidity... MTZ122-135>137-070300- /O.CON.KGGW.FW.W.0001.000000T0000Z-210307T0300Z/ Dawson/McCone/Prairie/Richland/Wibaux Counties-The Little Rockies- The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge- Southern Petroleum and Southern Garfield Counties- 147 PM MST Sat Mar 6 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR LOW HUMIDITY AND GUSTY SOUTHWEST WINDS FOR FIRE WEATHER ZONES 122, 135, 136, AND 137... * AFFECTED AREA...Fire Weather Zones 122, 135, 136 and 137. * TIMING...Saturday afternoon and evening (2 pm-8 pm) * WINDS...South 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 18 percent. * TEMPERATURES...In the upper 50s. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ http://www.weather.gov/glasgow
646 WWUS85 KGGW 070249 RFWGGW URGENT - FIRE WEATHER MESSAGE National Weather Service Glasgow MT 749 PM MST Sat Mar 6 2021 MTZ122-135>137-070400- /O.EXP.KGGW.FW.W.0001.000000T0000Z-210307T0300Z/ Dawson/McCone/Prairie/Richland/Wibaux Counties-The Little Rockies- The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge- Southern Petroleum and Southern Garfield Counties- 749 PM MST Sat Mar 6 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MST THIS EVENING FOR LOW HUMIDITY AND GUSTY SOUTHWEST WINDS FOR FIRE WEATHER ZONES 122, 135, 136, AND 137... Winds have diminished some and relative humidity values have recovered. Therefore, the red flag warning is being allowed to expire $$ http://www.weather.gov/glasgow
Nearby
Red Flag Warnings in Montana, 2021Every red flag warning in 2021
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.