Alert archive / Minnesota / Red Flag Warnings in 2020
Red Flag Warning 2, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this red flag warning at May 2, 2020, 12:19 PM CDT for 8 counties in Minnesota. 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 2, 2020, 12:19 PM CDT (17:19 UTC)
- Expired
- May 2, 2020, 7:00 PM CDT
- In force
- 7 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 17:22 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, 5.3 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
- 1802 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- -32 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
093 WWUS83 KFSD 021719 RFWFSD URGENT - FIRE WEATHER MESSAGE National Weather Service Sioux Falls SD 1219 PM CDT Sat May 2 2020 MNZ071-072-080-081-089-090-097-098-030000- /O.NEW.KFSD.FW.W.0002.200502T1719Z-200503T0000Z/ Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock- 1219 PM CDT Sat May 2 2020 ...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS 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 7 PM CDT this evening. * AFFECTED AREA...Fire weather zones 071, 072, 080, 081, 089, 090, 097, and 098. * WIND...Northwest winds with gusts of near 30 mph are expected through the remainder of the afternoon. * HUMIDITY...Relative humidity values are expected to fall to or remain around 20 to 25 percent through the remainder of the afternoon. * 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. && $$
1 follow-up statement
531 WWUS83 KFSD 030002 RFWFSD URGENT - FIRE WEATHER MESSAGE National Weather Service Sioux Falls SD 702 PM CDT Sat May 2 2020 ...RED FLAG WARNING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS ACROSS SOUTHWEST MINNESOTA EXPIRES AT 7 PM CDT... MNZ071-072-080-081-089-090-097-098-030115- /O.EXP.KFSD.FW.W.0002.000000T0000Z-200503T0000Z/ Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock- 702 PM CDT Sat May 2 2020 ...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONES 071, 072, 080, 081, 089, 090, 097, AND 098... While low humidity from 15 to 25 percent will continue very early this evening, gusty northwest winds will drop off at a quick rate heading toward sunset. After sunset, a rapid humidity recovery to 30 to 45 percent is likely. $$
Nearby
Red Flag Warnings in Minnesota, 2020Every red flag warning in 2020
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.