Alert archive / Minnesota / Red Flag Warnings in 2017
Red Flag Warning 5, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this red flag warning at Nov 28, 2017, 1:24 PM CST for 8 counties in Minnesota. It was in force for 4 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 28, 2017, 1:24 PM CST (19:24 UTC)
- Expired
- Nov 28, 2017, 5:00 PM CST
- In force
- 4 hr
- Issued by
- NWS Sioux Falls, SD
Counties Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN
The radar
The Sioux Falls radar (KFSD), 86 km from the middle of the area, began a volume at 19:28 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
Minneapolis, MN (KMPX), launched 12:00Z, 7.4 hours before the alert went out and 200 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
- 1620 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- -235 m²/s²
- 0-3 km storm-relative helicity
- -96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
060 WWUS83 KFSD 281924 RFWFSD URGENT - FIRE WEATHER MESSAGE National Weather Service Sioux Falls SD 124 PM CST Tue Nov 28 2017 MNZ071-072-080-081-089-090-097-098-282300- /O.NEW.KFSD.FW.W.0005.171128T1924Z-171128T2300Z/ Lincoln MN-Lyon MN-Murray-Cottonwood-Nobles-Jackson-Pipestone- Rock- 124 PM CST Tue Nov 28 2017 ...RED FLAG WARNING IN EFFECT UNTIL 5 PM CST THIS AFTERNOON FOR STRONG WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 071, 072, 080, 081, 089, 090, 097, AND 098... The National Weather Service in Sioux Falls has issued a Red Flag Warning, which is in effect until 5 PM CST this afternoon. * AFFECTED AREA...Fire weather zones 071, 072, 080, 081, 089, 090, 097, and 098. * WIND...NORTHWEST 20 TO 35 MPH * HUMIDITY...15 TO 25 PERCENT * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. 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. && $$
1 follow-up statement
555 WWUS83 KFSD 282302 RFWFSD URGENT - FIRE WEATHER MESSAGE National Weather Service Sioux Falls SD 502 PM CST Tue Nov 28 2017 MNZ071-072-080-081-089-090-097-098-290015- /O.EXP.KFSD.FW.W.0005.000000T0000Z-171128T2300Z/ Lincoln MN-Lyon MN-Murray-Cottonwood-Nobles-Jackson-Pipestone- Rock- 502 PM CST Tue Nov 28 2017 ...RED FLAG WARNING HAS EXPIRED FOR STRONG WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 071, 072, 080, 081, 089, 090, 097, AND 098... Winds will continue to gradually diminish along with humidities gradually rising through the evening. Therefore, the Red Flag Warning will be allowed to expire. $$
Nearby
Red 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.