Alert archive / Kansas / Red Flag Warnings in 2021
Red Flag Warning 9, NWS Topeka, KS
NWS Topeka, KS issued this red flag warning at Nov 17, 2021, 2:44 AM CST for 9 counties in Kansas. It took effect at Nov 17, 2021, 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 17, 2021, 2:44 AM CST (08:44 UTC)
- In effect from
- Nov 17, 2021, 11:00 AM CST
- Expired
- Nov 17, 2021, 5:00 PM CST
- In force
- 6 hr
- Issued by
- NWS Topeka, KS
Counties Clay County, KS, Cloud County, KS, Dickinson County, KS, Geary County, KS, Morris County, KS, Ottawa County, KS, Republic County, KS, Riley County, KS, Washington County, KS
The radar
The Topeka radar (KTWX), 86 km from the middle of the area, began a volume at 08:45 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 00:00Z, 8.7 hours before the alert went out and 135 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
- 1474 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 328 m²/s²
- 0-3 km storm-relative helicity
- 343 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
109 WWUS83 KTOP 170844 RFWTOP URGENT - FIRE WEATHER MESSAGE National Weather Service Topeka KS 244 AM CST Wed Nov 17 2021 KSZ008-009-020>022-034>037-172300- /O.UPG.KTOP.FW.A.0005.211117T1700Z-211117T2300Z/ /O.NEW.KTOP.FW.W.0009.211117T1700Z-211117T2300Z/ Republic-Washington-Cloud-Clay-Riley-Ottawa-Dickinson-Geary- Morris- 244 AM CST Wed Nov 17 2021 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 5 PM CST THIS AFTERNOON FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONES 008, 009, 020, 021, 022, 034, 035, 036, AND 037... The National Weather Service in Topeka has issued a Red Flag Warning, which is in effect from 11 AM this morning to 5 PM CST this afternoon. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zones 008, 009, 020, 021, 022, 034, 035, 036, and 037. * WIND...North winds of 15 to 20 MPH with gusts of 25 to 35 MPH. * HUMIDITY...Minimum RH values between 15 and 20 percent. * IMPACTS...Any fires that develop in areas with dried fuels 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 and low relative humidity can contribute to extreme fire behavior. && $$
1 follow-up statement
111 WWUS83 KTOP 172250 RFWTOP URGENT - FIRE WEATHER MESSAGE National Weather Service Topeka KS 450 PM CST Wed Nov 17 2021 KSZ008-009-020>022-034>037-180000- /O.EXP.KTOP.FW.W.0009.000000T0000Z-211117T2300Z/ Republic-Washington-Cloud-Clay-Riley-Ottawa-Dickinson-Geary- Morris- 450 PM CST Wed Nov 17 2021 ...RED FLAG WARNING WILL EXPIRE AT 5 PM CST THIS AFTERNOON FOR FIRE WEATHER ZONES 008, 009, 020, 021, 022, 034, 035, 036, AND 037... Northerly winds are expected to weaken this evening. $$
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.