Alert archive / Montana / Red Flag Warnings in 2021
Red Flag Warning 2, NWS Glasgow, MT
NWS Glasgow, MT issued this red flag warning at Mar 21, 2021, 3:14 AM MDT for 4 counties in Montana. It took effect at Mar 21, 2021, 12:00 PM MDT. It was in force for 7 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 21, 2021, 3:14 AM MDT (09:14 UTC)
- In effect from
- Mar 21, 2021, 12:00 PM MDT
- Expired
- Mar 21, 2021, 6:59 PM MDT
- In force
- 7 hr
- Issued by
- NWS Glasgow, MT
Counties Daniels County, MT, Roosevelt County, MT, Sheridan County, MT, Valley County, MT
The radar
The Glasgow radar (KGGW), 95 km from the middle of the area, began a volume at 09:14 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, 9.2 hours before the alert went out and 93 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
- 2533 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- -23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
247 WWUS85 KGGW 210914 RFWGGW URGENT - FIRE WEATHER MESSAGE National Weather Service Glasgow MT 314 AM MDT Sun Mar 21 2021 ...HIGH FIRE DANGER THIS AFTERNOON AND EVENING... .Low relative humidity and gusty northwest winds in the presence of dry fuels will lead to high fire danger today across Fire Weather Zone 120. MTZ120-212115- /O.NEW.KGGW.FW.W.0002.210321T1800Z-210322T0100Z/ Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties- 314 AM MDT Sun Mar 21 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONE 120... The National Weather Service in Glasgow has issued a Red Flag Warning for low relative humidity and gusty winds, which is in effect from noon today to 7 PM MDT this evening. * AFFECTED AREA...Fire Weather Zone 120. * TIMING...Noon through 7 PM today. * WINDS...Northwest 15 to 25 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 18 percent. * TEMPERATURES...In the mid 40s to low 50s. * IMPACTS...New fire starts will quickly spread. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ http://www.weather.gov/glasgow
2 follow-up statements
602 WWUS85 KGGW 211956 RFWGGW URGENT - FIRE WEATHER MESSAGE National Weather Service Glasgow MT 156 PM MDT Sun Mar 21 2021 ...HIGH FIRE DANGER THIS AFTERNOON AND EVENING... .Low relative humidity and gusty northwest winds in the presence of dry fuels will lead to high fire danger today across Fire Weather Zone 120. MTZ120-220100- /O.CON.KGGW.FW.W.0002.000000T0000Z-210322T0100Z/ Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties- 156 PM MDT Sun Mar 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONE 120... * AFFECTED AREA...Fire Weather Zone 120. * TIMING...Noon through 7 PM today. * WINDS...Northwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 23 percent. * TEMPERATURES...In the mid 40s. * IMPACTS...New fire starts will quickly spread. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ http://www.weather.gov/glasgow
810 WWUS85 KGGW 220059 RFWGGW URGENT - FIRE WEATHER MESSAGE National Weather Service Glasgow MT 659 PM MDT Sun Mar 21 2021 MTZ120-220200- /O.CAN.KGGW.FW.W.0002.000000T0000Z-210322T0100Z/ Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties- 659 PM MDT Sun Mar 21 2021 ...RED FLAG WARNING IS CANCELLED FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONE 120... The National Weather Service in Glasgow has cancelled the Red Flag Warning. Relative humidity is increasing across the area along with cloud cover. Winds will also continue to gradually decrease through this evening. Therefore, the Red Flag Warning is 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.