Alert archive / Montana / Red Flag Warnings in 2021
Red Flag Warning 3, NWS Glasgow, MT
NWS Glasgow, MT issued this red flag warning at Mar 27, 2021, 3:15 AM MDT for 12 counties in Montana. It took effect at Mar 28, 2021, 9:00 AM MDT. It was in force for 11 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 27, 2021, 3:15 AM MDT (09:15 UTC)
- In effect from
- Mar 28, 2021, 9:00 AM MDT
- Expired
- Mar 28, 2021, 8:00 PM MDT
- In force
- 11 hr
- Issued by
- NWS Glasgow, MT
Counties Daniels County, MT, Dawson County, MT, Garfield County, MT, McCone County, MT, Petroleum County, MT, Phillips County, MT, Prairie County, MT, Richland County, MT, Roosevelt County, MT, Sheridan County, MT, Valley County, MT, Wibaux County, MT
The radar
The Glasgow radar (KGGW), 77 km from the middle of the area, began a volume at 09:20 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, 9.3 hours before the alert went out and 76 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
- 1631 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
459 WWUS85 KGGW 270915 RFWGGW URGENT - FIRE WEATHER MESSAGE National Weather Service Glasgow MT 315 AM MDT Sat Mar 27 2021 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED SUNDAY ACROSS NORTHEAST MONTANA... .Warm temperatures, low humidity, and strong and gusty winds on Sunday will contribute to high fire danger across the area. MTZ120-122-134>137-272300- /O.UPG.KGGW.FW.A.0002.210328T1500Z-210329T0300Z/ /O.NEW.KGGW.FW.W.0003.210328T1500Z-210329T0200Z/ Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties- Dawson/McCone/Prairie/Richland/Wibaux Counties- Northern Valley and Northern Phillips Counties-The Little Rockies- The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge- Southern Petroleum and Southern Garfield Counties- 315 AM MDT Sat Mar 27 2021 ...RED FLAG WARNING IN EFFECT FROM 9 AM TO 8 PM MDT SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 120, 122, 134, 135, 136, AND 137... The National Weather Service in Glasgow has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from 9 AM to 8 PM MDT Sunday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 120, 122, 134, 135, 136 and 137. * TIMING...Sunday morning through Sunday evening. * WINDS...West 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 15 percent. * TEMPERATURES...Highs in the mid 60s to low 70s. * IMPACTS...New fire starts will rapidly spread. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ http://www.weather.gov/glasgow
5 follow-up statements
221 WWUS85 KGGW 272017 RFWGGW URGENT - FIRE WEATHER MESSAGE National Weather Service Glasgow MT 217 PM MDT Sat Mar 27 2021 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED SUNDAY ACROSS NORTHEAST MONTANA... .Warm temperatures, low humidity, and strong and gusty winds on Sunday will contribute to high fire danger across the area. MTZ120-122-134>137-280830- /O.CON.KGGW.FW.W.0003.210328T1500Z-210329T0200Z/ Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties- Dawson/McCone/Prairie/Richland/Wibaux Counties- Northern Valley and Northern Phillips Counties-The Little Rockies- The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge- Southern Petroleum and Southern Garfield Counties- 217 PM MDT Sat Mar 27 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 8 PM MDT SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 120, 122, 134, 135, 136, AND 137... * AFFECTED AREA...All of northeast Montana. * TIMING...Sunday morning through Sunday evening. * WINDS...West 25 to 35 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 15 percent. * TEMPERATURES...Highs from the mid 60s to low 70s. * IMPACTS...New fire starts would rapidly spread toward the east. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ http://www.weather.gov/glasgow
887 WWUS85 KGGW 280326 RFWGGW URGENT - FIRE WEATHER MESSAGE National Weather Service Glasgow MT 926 PM MDT Sat Mar 27 2021 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED SUNDAY ACROSS NORTHEAST MONTANA... .Warm temperatures, low humidity, and strong and gusty winds on Sunday will contribute to high fire danger across the area. MTZ120-122-134>137-281000- /O.CON.KGGW.FW.W.0003.210328T1500Z-210329T0200Z/ Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties- Dawson/McCone/Prairie/Richland/Wibaux Counties- Northern Valley and Northern Phillips Counties-The Little Rockies- The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge- Southern Petroleum and Southern Garfield Counties- 926 PM MDT Sat Mar 27 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 8 PM MDT SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 120, 122, 134, 135, 136, AND 137... * AFFECTED AREA...Fire Weather Zones 120, 122, 134, 135, 136 and 137. * TIMING...Sunday morning through Sunday evening. * WINDS...West 25 to 35 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 12 percent. * TEMPERATURES...In the mid 60s to low 70s. * IMPACTS...New fire starts would rapidly spread toward the east. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ http://www.weather.gov/glasgow
085 WWUS85 KGGW 280905 RFWGGW URGENT - FIRE WEATHER MESSAGE National Weather Service Glasgow MT 305 AM MDT Sun Mar 28 2021 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED TODAY ACROSS NORTHEAST MONTANA... .Warm temperatures, low humidity, and strong and gusty winds today will contribute to high fire danger across the area. MTZ120-122-134>137-290200- /O.CON.KGGW.FW.W.0003.210328T1500Z-210329T0200Z/ Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties- Dawson/McCone/Prairie/Richland/Wibaux Counties- Northern Valley and Northern Phillips Counties-The Little Rockies- The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge- Southern Petroleum and Southern Garfield Counties- 305 AM MDT Sun Mar 28 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 120, 122, 134, 135, 136, AND 137... * AFFECTED AREA...Fire Weather Zones 120, 122, 134, 135, 136 and 137. * TIMING...9am this morning through 8pm this evening. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 15 percent. * TEMPERATURES...Highs in the mid 60s to low 70s. * IMPACTS...New fire starts would rapidly spread toward the east. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ http://www.weather.gov/glasgow
743 WWUS85 KGGW 282022 RFWGGW URGENT - FIRE WEATHER MESSAGE National Weather Service Glasgow MT 222 PM MDT Sun Mar 28 2021 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED TODAY ACROSS NORTHEAST MONTANA... .Warm temperatures, low humidity, and strong and gusty winds today will contribute to high fire danger across the area. MTZ120-122-134>137-290200- /O.CON.KGGW.FW.W.0003.000000T0000Z-210329T0200Z/ Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties- Dawson/McCone/Prairie/Richland/Wibaux Counties- Northern Valley and Northern Phillips Counties-The Little Rockies- The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge- Southern Petroleum and Southern Garfield Counties- 222 PM MDT Sun Mar 28 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR LOW HUMIDITY AND STRONG WINDS FOR FIRE WEATHER ZONES 120, 122, 134, 135, 136, AND 137... * AFFECTED AREA...Fire Weather Zones 120, 122, 134, 135, 136 and 137. * TIMING...9am this morning through 8pm this evening. * WINDS...West 15 to 25 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 17 percent. * TEMPERATURES...In the mid 60s. * IMPACTS...New fire starts would rapidly spread toward the east. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ http://www.weather.gov/glasgow
262 WWUS85 KGGW 290211 RFWGGW URGENT - FIRE WEATHER MESSAGE National Weather Service Glasgow MT 811 PM MDT Sun Mar 28 2021 MTZ120-122-134>137-290315- /O.EXP.KGGW.FW.W.0003.000000T0000Z-210329T0200Z/ Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties- Dawson/McCone/Prairie/Richland/Wibaux Counties- Northern Valley and Northern Phillips Counties-The Little Rockies- The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge- Southern Petroleum and Southern Garfield Counties- 811 PM MDT Sun Mar 28 2021 ...RED FLAG WARNING HAS EXPIRED FOR LOW HUMIDITY AND STRONG WINDS FOR FIRE WEATHER ZONES 120, 122, 134, 135, 136, AND 137... The Red Flag Warning has been allowed to expire. Relative humidity is beginning to recover along with decreasing wind speeds. With dry conditions and occasional gusty winds, fire weather concerns remain elevated until the cold front passes through the area around Monday morning when a little rain and snow falls over portions of Northeastern Montana. $$ http://www.weather.gov/glasgow
The office that day
Everything else NWS Glasgow, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 6:59 AM MDT | Dense Fog Advisory | GGW | Daniels, Roosevelt, Sheridan, Valley | 3 hr |
| Mar 27, 2:16 PM MDT | High Wind Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 13 hr |
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.