Alert archive / North Dakota / Red Flag Warnings in 2017
Red Flag Warning 4, NWS Grand Forks, ND
NWS Grand Forks, ND issued this red flag warning at Nov 29, 2017, 10:03 AM CST for 7 counties in North Dakota; 5 counties in Minnesota. It took effect at Nov 29, 2017, 11:00 AM CST. 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
- Nov 29, 2017, 10:03 AM CST (16:03 UTC)
- In effect from
- Nov 29, 2017, 11:00 AM CST
- Expired
- Nov 29, 2017, 5:00 PM CST
- In force
- 6 hr
- Issued by
- NWS Grand Forks, ND
Counties Clay County, MN, Grant County, MN, Norman County, MN, Otter Tail County, MN, Wilkin County, MN, Barnes County, ND, Cass County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Traill County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 95 km from the middle of the area, began a volume at 16:01 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
Aberdeen, SD (KABR), launched 12:00Z, 4.1 hours before the alert went out and 230 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
- 2348 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 172 m²/s²
- 0-3 km storm-relative helicity
- 236 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
797 WWUS83 KFGF 291603 RFWFGF URGENT - FIRE WEATHER MESSAGE National Weather Service Grand Forks ND 1003 AM CST Wed Nov 29 2017 MNZ002-003-029-030-040-NDZ029-030-038-039-049-052-053-292300- /O.NEW.KFGF.FW.W.0004.171129T1700Z-171129T2300Z/ Norman-Clay-Wilkin-West Otter Tail-Grant-Steele-Traill-Barnes- Cass-Ransom-Sargent-Richland- 1003 AM CST Wed Nov 29 2017 ...RED FLAG WARNING IN EFFECT UNTIL 5 PM CST THIS AFTERNOON FOR STRONG WINDS AND LOW HUMIDITIES FOR PART OF SOUTHEASTERN NORTH DAKOTA AS WELL AS PART OF NORTHWEST AND WEST-CENTRAL MINNESOTA... The National Weather Service in Grand Forks has issued a Red Flag Warning for strong winds and low humidities, which is in effect until 5 PM CST this afternoon. * AFFECTED AREA...In Minnesota...Fire Weather Zones 002...003... 029...030 and 040. In North Dakota...Fire Weather Zones 029... 030...038...039...049...052 and 053. * WINDS...South 25 to 35 mph with gusts up to 45 mph. * TIMING...11 AM through 5 PM this afternoon. * RELATIVE HUMIDITY...20 to 30 percent. * TEMPERATURES...In the upper 40s to low 50s. * IMPACTS...Any fires that develop may 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. && $$ Knutsvig
1 follow-up statement
675 WWUS83 KFGF 292301 RFWFGF URGENT - FIRE WEATHER MESSAGE National Weather Service Grand Forks ND 501 PM CST Wed Nov 29 2017 MNZ002-003-029-030-040-NDZ029-030-038-039-049-052-053-300015- /O.EXP.KFGF.FW.W.0004.000000T0000Z-171129T2300Z/ Norman-Clay-Wilkin-West Otter Tail-Grant-Steele-Traill-Barnes- Cass-Ransom-Sargent-Richland- 501 PM CST Wed Nov 29 2017 ...RED FLAG WARNING WILL EXPIRE AT 5 PM CST THIS AFTERNOON FOR parts of southeastern north dakota and northwest and west central minnesota... Winds diminishing and rising humidity values will ease the fire weather danger. $$ dtr
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 29, 3:07 AM CST | Wind Advisory | FGF | Barnes, Benson, Cass, Cavalier, Eddy, Grand Forks and 11 more | 14 hr |
| Nov 29, 5:03 PM CST | Wind Advisory | FGF | Barnes, Benson, Cass, Cavalier, Eddy, Griggs and 7 more | 7 hr |
Nearby
Red Flag Warnings in North Dakota, 2017Red Flag Warnings in Minnesota, 2017Every red flag warning in 2017
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.