Alert archive / North Dakota / Red Flag Warnings in 2021
Red Flag Warning 9, NWS Grand Forks, ND
NWS Grand Forks, ND issued this red flag warning at May 30, 2021, 3:38 AM CDT for 9 counties in North Dakota. It took effect at May 30, 2021, 1:00 PM CDT. 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
- May 30, 2021, 3:38 AM CDT (08:38 UTC)
- In effect from
- May 30, 2021, 1:00 PM CDT
- Expired
- May 30, 2021, 8:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS Grand Forks, ND
Counties Benson County, ND, Cavalier County, ND, Eddy County, ND, Griggs County, ND, Nelson County, ND, Ramsey County, ND, Steele County, ND, Towner County, ND, Walsh County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 108 km from the middle of the area, began a volume at 08:41 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
Bismarck Municip, ND (KBIS), launched 00:00Z, 8.6 hours before the alert went out and 220 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
- 1775 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- -19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
701 WWUS83 KFGF 300838 RFWFGF URGENT - FIRE WEATHER MESSAGE National Weather Service Grand Forks ND 338 AM CDT Sun May 30 2021 NDZ006-007-014-015-024-026-028-029-054-310100- /O.NEW.KFGF.FW.W.0009.210530T1800Z-210531T0100Z/ Towner-Cavalier-Benson-Ramsey-Eddy-Nelson-Griggs-Steele- Western Walsh- 338 AM CDT Sun May 30 2021 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING FOR GUST WINDS AND LOW RELATIVE HUMIDITY... The National Weather Service in Grand Forks has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from 1 PM this afternoon to 8 PM CDT this evening. * AFFECTED AREA...In North Dakota...Fire Weather Zones 006... 007...014...015...024...026...028...029 and 054. * TIMING...This afternoon and early evening. * WINDS...Northwest 20 to 25 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 17 percent. * TEMPERATURES...Around 70. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
1 follow-up statement
568 WWUS83 KFGF 310102 RFWFGF URGENT - FIRE WEATHER MESSAGE National Weather Service Grand Forks ND 802 PM CDT Sun May 30 2021 NDZ006-007-014-015-024-026-028-029-054-310215- /O.EXP.KFGF.FW.W.0009.000000T0000Z-210531T0100Z/ Towner-Cavalier-Benson-Ramsey-Eddy-Nelson-Griggs-Steele- Western Walsh- 802 PM CDT Sun May 30 2021 ...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR PORTIONS OF THE DEVILS LAKE REGION... The period of critical fire weather conditions has ended across the Devils Lake region. $$
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 12:11 PM CDT | Special Weather Statement | FGF | Pembina | 49 min |
Nearby
Red Flag Warnings in North Dakota, 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.