Alert archive / Kansas / Red Flag Warnings in 2021
Red Flag Warning 10, NWS Topeka, KS
NWS Topeka, KS issued this red flag warning at Dec 10, 2021, 7:49 AM CST for 5 counties in Kansas. It took effect at Dec 10, 2021, 10:00 AM CST. 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
- Dec 10, 2021, 7:49 AM CST (13:49 UTC)
- In effect from
- Dec 10, 2021, 10:00 AM CST
- Expired
- Dec 10, 2021, 5:00 PM CST
- In force
- 7 hr
- Issued by
- NWS Topeka, KS
Counties Geary County, KS, Lyon County, KS, Morris County, KS, Riley County, KS, Wabaunsee County, KS
The radar
The Topeka radar (KTWX), 27 km from the middle of the area, began a volume at 13:53 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
Topeka, KS (KTOP), launched 12:00Z, 1.8 hours before the alert went out and 76 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
- 1286 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 559 m²/s²
- 0-3 km storm-relative helicity
- 807 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
265 WWUS83 KTOP 101349 RFWTOP URGENT - FIRE WEATHER MESSAGE National Weather Service Topeka KS 749 AM CST Fri Dec 10 2021 KSZ022-036>038-054-102300- /O.NEW.KTOP.FW.W.0010.211210T1600Z-211210T2300Z/ Riley-Geary-Morris-Wabaunsee-Lyon- 749 AM CST Fri Dec 10 2021 ...RED FLAG WARNING IN EFFECT UNTIL 5 PM CST THIS AFTERNOON FOR EXTREME GRASSLAND FIRE DANGER FOR FIRE WEATHER ZONES 022, 036, 037, 038, AND 054... The National Weather Service in Topeka has issued a Red Flag Warning, which is in effect until 5 PM CST this afternoon. * AFFECTED AREA...Fire weather zones 022, 036, 037, 038, and 054. * WIND...SOUTHWEST AT 15 TO 25 MPH WITH GUSTS IN EXCESS OF 40 MPH, AFTER 3 PM...WINDS SHIFT TO THE WEST AT 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * HUMIDITY...AROUND 20 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. && $$
2 follow-up statements
548 WWUS83 KTOP 102038 RFWTOP URGENT - FIRE WEATHER MESSAGE National Weather Service Topeka KS 238 PM CST Fri Dec 10 2021 KSZ022-036>038-054-102300- /O.CON.KTOP.FW.W.0010.000000T0000Z-211210T2300Z/ Riley-Geary-Morris-Wabaunsee-Lyon- 238 PM CST Fri Dec 10 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON FOR EXTREME FIRE WEATHER CONDITIONS FOR FIRE WEATHER ZONES 022, 036, 037, 038, AND 054... * AFFECTED AREA...Fire weather zones 022, 036, 037, 038, and 054. * WIND...SOUTHWEST AT 15 TO 25 MPH WITH GUSTS IN EXCESS OF 40 MPH, AFTER 3 PM...WINDS SHIFT TO THE WEST AT 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * HUMIDITY...20 TO 25 PERCENT * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
804 WWUS83 KTOP 102249 RFWTOP URGENT - FIRE WEATHER MESSAGE National Weather Service Topeka KS 449 PM CST Fri Dec 10 2021 KSZ022-036>038-054-110000- /O.EXP.KTOP.FW.W.0010.000000T0000Z-211210T2300Z/ Riley-Geary-Morris-Wabaunsee-Lyon- 449 PM CST Fri Dec 10 2021 ...RED FLAG WARNING WILL EXPIRE AT 5 PM CST THIS AFTERNOON FOR FIRE WEATHER ZONES 022, 036, 037, 038, AND 054... Winds have already shifted to the northwest and should remain fairly steady state through the evening. Meanwhile RH values are forecast to recover to 60 percent or better through the evening as temperatures fall. So conditions for extreme fire behavior will increasingly become less favorable and the Red Flag Warning will be allowed to expire. $$ Wolters
Nearby
Red Flag Warnings in Kansas, 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.