Alert archive / Kansas / Red Flag Warnings in 2021
Red Flag Warning 8, NWS Topeka, KS
NWS Topeka, KS issued this red flag warning at Apr 26, 2021, 3:15 AM CDT for Cloud County, Republic County, Washington County, Kansas. It took effect at Apr 26, 2021, 12:00 PM CDT. 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
- Apr 26, 2021, 3:15 AM CDT (08:15 UTC)
- In effect from
- Apr 26, 2021, 12:00 PM CDT
- Expired
- Apr 26, 2021, 7:02 PM CDT
- In force
- 7 hr
- Issued by
- NWS Topeka, KS
Counties Cloud County, KS, Republic County, KS, Washington County, KS
The radar
The Grand Island radar (KUEX), 108 km from the middle of the area, began a volume at 08:17 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, 8.3 hours before the alert went out and 175 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
- 2392 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 231 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
137 WWUS83 KTOP 260815 RFWTOP URGENT - FIRE WEATHER MESSAGE National Weather Service Topeka KS 315 AM CDT Mon Apr 26 2021 KSZ008-020-261615- /O.UPG.KTOP.FW.A.0004.210426T1700Z-210427T0100Z/ /O.NEW.KTOP.FW.W.0008.210426T1700Z-210427T0100Z/ Republic-Cloud- 315 AM CDT Mon Apr 26 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONES 008 AND 020... The National Weather Service in Topeka has issued a Red Flag Warning, which is in effect from noon today to 8 PM CDT this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zones 008 and 020. * WIND...Southwest winds of 15 to 25 MPH with gusts up 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, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ KSZ009-261615- /O.NEW.KTOP.FW.W.0008.210426T1700Z-210427T0100Z/ Washington- 315 AM CDT Mon Apr 26 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONE 009... The National Weather Service in Topeka has issued a Red Flag Warning, which is in effect from noon today to 8 PM CDT this evening. * AFFECTED AREA...Fire weather zone 009. * WIND...Southwest winds of 15 to 25 MPH with gusts up to 35 MPH. * HUMIDITY...Minimum RH values between 15 and 20 percent. * IMPACTS...Any fires that develop in areas with dried fuels will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ KDS
2 follow-up statements
365 WWUS83 KTOP 262032 RFWTOP URGENT - FIRE WEATHER MESSAGE National Weather Service Topeka KS 332 PM CDT Mon Apr 26 2021 KSZ008-009-020-270100- /O.CON.KTOP.FW.W.0008.000000T0000Z-210427T0100Z/ Republic-Washington-Cloud- 332 PM CDT Mon Apr 26 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONES 008, 009, AND 020... * AFFECTED AREA...Fire weather zones 008 and 020. * WIND...Southwest winds of 15 to 25 MPH with gusts up to 35 MPH. * HUMIDITY...Minimum RH values between 15 and 25 percent. * IMPACTS...Any fires that develop in areas with dried fuels willlikely 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. && $$
641 WWUS83 KTOP 270002 RFWTOP URGENT - FIRE WEATHER MESSAGE National Weather Service Topeka KS 702 PM CDT Mon Apr 26 2021 KSZ008-009-020-270115- /O.CAN.KTOP.FW.W.0008.000000T0000Z-210427T0100Z/ Republic-Washington-Cloud- 702 PM CDT Mon Apr 26 2021 ...RED FLAG WARNING IS CANCELLED FOR FIRE WEATHER ZONES 008, 009, AND 020... The National Weather Service in Topeka has cancelled the Red Flag Warning. Relative humidity values continue to rise above 20 percent, prompting the cancellation. South winds however, remain gusty this evening from 15 to 25 mph sustained with gusts to 35 mph. $$
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 3:04 AM CDT | Wind Advisory | TOP | Anderson, Coffey, Douglas, Franklin, Jefferson, Lyon and 4 more | 17 hr |
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.