Alert archive / North Dakota / Red Flag Warnings in 2018
Red Flag Warning 2, NWS Grand Forks, ND
NWS Grand Forks, ND issued this red flag warning at Apr 25, 2018, 6:14 AM CDT for 6 counties in North Dakota; Kittson County, Marshall County, Minnesota. It took effect at Apr 25, 2018, 1:00 PM CDT. It was in force for 6 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
- Apr 25, 2018, 6:14 AM CDT (11:14 UTC)
- In effect from
- Apr 25, 2018, 1:00 PM CDT
- Expired
- Apr 25, 2018, 7:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Grand Forks, ND
Counties Kittson County, MN, Marshall County, MN, Benson County, ND, Cavalier County, ND, Pembina County, ND, Ramsey County, ND, Towner County, ND, Walsh County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 121 km from the middle of the area, began a volume at 11:11 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, 11.2 hours before the alert went out and 278 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
- 2605 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
466 WWUS83 KFGF 251114 RFWFGF URGENT - FIRE WEATHER MESSAGE National Weather Service Grand Forks ND 614 AM CDT Wed Apr 25 2018 MNZ004-007-NDZ006>008-014>016-054-260000- /O.NEW.KFGF.FW.W.0002.180425T1800Z-180426T0000Z/ Kittson-West Marshall-Towner-Cavalier-Pembina-Benson-Ramsey- Eastern Walsh County-Western Walsh County- 614 AM CDT Wed Apr 25 2018 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT THIS EVENING FOR STRONG WINDS AND LOW HUMIDITIES FOR NORTHEASTERN NORTH DAKOTA AND FAR NORTHWESTERN MINNESOTA... The National Weather Service in Grand Forks has issued a Red Flag Warning for critical fire weather conditions, which is in effect from 1 PM this afternoon to 7 PM CDT this evening. * AFFECTED AREA...In Minnesota...Fire Weather Zones 004 and 007. In North Dakota...Fire Weather Zones 006...007...008...014... 015...016 and 054. * WINDS...Southwest 15 to 25 mph with gusts up to 35 mph. * TIMING...Wednesday afternoon into early Wednesday evening. * RELATIVE HUMIDITY...As low as 22 percent. * TEMPERATURES...In the mid 60s. * IMPACTS...Any fires that develop will spread quickly. 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. && $$
1 follow-up statement
580 WWUS83 KFGF 260001 RFWFGF URGENT - FIRE WEATHER MESSAGE National Weather Service Grand Forks ND 701 PM CDT Wed Apr 25 2018 MNZ004-007-NDZ006>008-014>016-054-260115- /O.EXP.KFGF.FW.W.0002.000000T0000Z-180426T0000Z/ Kittson-West Marshall-Towner-Cavalier-Pembina-Benson-Ramsey- Eastern Walsh County-Western Walsh County- 701 PM CDT Wed Apr 25 2018 ...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR NORTHEAST NORTH DAKOTA AND NORTHWEST MINNESOTA... The relative humidity has increased and winds have decreased, so the red flag warning was allowed to expire. $$
Nearby
Red Flag Warnings in North Dakota, 2018Red Flag Warnings in Minnesota, 2018Every red flag warning in 2018
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.