Alert archive / Kansas / Red Flag Warnings in 2017
Red Flag Warning 13, NWS Topeka, KS
NWS Topeka, KS issued this red flag warning at Dec 11, 2017, 2:56 AM CST for 23 counties in Kansas. It took effect at Dec 11, 2017, 10:00 AM CST. It was in force for 8 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 11, 2017, 2:56 AM CST (08:56 UTC)
- In effect from
- Dec 11, 2017, 10:00 AM CST
- Expired
- Dec 11, 2017, 6:00 PM CST
- In force
- 8 hr
- Issued by
- NWS Topeka, KS
All 23 counties
Anderson County, KS, Brown County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Dickinson County, KS, Douglas County, KS, Franklin County, KS, Geary County, KS, Jackson County, KS, Jefferson County, KS, Lyon County, KS, Marshall County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Ottawa County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS
The radar
The Topeka radar (KTWX), 16 km from the middle of the area, began a volume at 08:55 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 (KFOE), launched 00:00Z, 8.9 hours before the alert went out and 61 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
- 3099 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
131 WWUS83 KTOP 110856 RFWTOP URGENT - FIRE WEATHER MESSAGE National Weather Service Topeka KS 256 AM CST Mon Dec 11 2017 KSZ021>024-034>039-054-055-058-120000- /O.UPG.KTOP.FW.A.0001.171211T1800Z-171212T0200Z/ /O.NEW.KTOP.FW.W.0002.171211T1600Z-171212T0000Z/ Clay-Riley-Pottawatomie-Jackson-Ottawa-Dickinson-Geary-Morris- Wabaunsee-Shawnee-Lyon-Osage-Coffey- 256 AM CST Mon Dec 11 2017 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST THIS EVENING FOR STRONG NORTHWEST WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE WEATHER ZONES 021, 022, 023, 024, 034, 035, 036, 037, 038, 039, 054, 055, AND 058... The National Weather Service in Topeka has issued a Red Flag Warning, which is in effect from 10 AM this morning to 6 PM CST this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zones 021, 022, 023, 024, 034, 035, 036, 037, 038, 039, 054, 055, and 058. * WIND...winds will shift to the northwest and strengthen by the early afternoon. Sustained speeds are expected to be between 20 and 25 MPH with gusts near 40 mph through the afternoon. * HUMIDITY...Relative humidities will drop to between 20 and 25 percent just ahead of the wind shift during the late morning. Relative humidities should gradually rise through the afternoon behind the wind shift. * IMPACTS...Fires could start quickly, spread furiously and burn intensely. All fires are potentially serious. 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. All outdoor burning should be avoided today. && $$ KSZ008>012-020-026-040-056-059-120000- /O.NEW.KTOP.FW.W.0002.171211T1600Z-171212T0000Z/ Republic-Washington-Marshall-Nemaha-Brown-Cloud-Jefferson-Douglas- Franklin-Anderson- 256 AM CST Mon Dec 11 2017 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST THIS EVENING FOR STRONG NORTHWEST WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE WEATHER ZONES 008, 009, 010, 011, 012, 020, 026, 040, 056, AND 059... The National Weather Service in Topeka has issued a Red Flag Warning, which is in effect from 10 AM this morning to 6 PM CST this evening. * AFFECTED AREA...Fire weather zones 008, 009, 010, 011, 012, 020, 026, 040, 056, and 059. * WIND...winds will shift to the northwest and strengthen by the early afternoon. Sustained speeds are expected to be between 20 and 25 MPH with gusts near 40 mph through the afternoon. * HUMIDITY...Relative humidities will drop to between 20 and 25 percent just ahead of the wind shift during the late morning. Relative humidities should gradually rise through the afternoon behind the wind shift. * IMPACTS...Fires could start quickly, spread furiously and burn intensely. All fires are potentially serious. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. All outdoor burning should be avoided today. && $$ Wolters
2 follow-up statements
524 WWUS83 KTOP 112055 RFWTOP URGENT - FIRE WEATHER MESSAGE National Weather Service Topeka KS 255 PM CST Mon Dec 11 2017 KSZ008>012-022>024-026-112200- /O.CAN.KTOP.FW.W.0002.000000T0000Z-171212T0000Z/ Republic-Washington-Marshall-Nemaha-Brown-Riley-Pottawatomie- Jackson-Jefferson- 255 PM CST Mon Dec 11 2017 ...RED FLAG WARNING IS CANCELLED FOR FIRE WEATHER ZONES 021, 022, 023, 024, 034, 035, 036, 037, 038, 039, 054, 055, AND 058... The National Weather Service in Topeka has cancelled the Red Flag Warning. Clouds and increasing moisture have resulted in improving conditions over far northeastern Kansas over the last few hours. Blustery winds of 15 to 30 mph will continue through the afternoon. $$ KSZ020-021-034>040-054>056-058-059-120000- /O.CON.KTOP.FW.W.0002.000000T0000Z-171212T0000Z/ Cloud-Clay-Ottawa-Dickinson-Geary-Morris-Wabaunsee-Shawnee- Douglas-Lyon-Osage-Franklin-Coffey-Anderson- 255 PM CST Mon Dec 11 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING FOR STRONG NORTHWEST WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE WEATHER ZONES 008, 009, 010, 011, 012, 020, 026, 040, 056, AND 059... * AFFECTED AREA...Fire weather zones 008, 009, 010, 011, 012, 020, 026, 040, 056, and 059. * WIND...Sustained northwesterly winds of 20 to 25 MPH with gusts near 40 mph will continue through the afternoon. * HUMIDITY...Relative humidity values of 20 to 30 percent are expected early this afternoon, gradually rising as the afternoon and evening progress. * IMPACTS...Fires could start quickly, spread furiously and burn intensely. All fires are potentially serious. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. All outdoor burning should be avoided today. && $$ KDS
457 WWUS83 KTOP 112355 RFWTOP URGENT - FIRE WEATHER MESSAGE National Weather Service Topeka KS 555 PM CST Mon Dec 11 2017 KSZ020-021-034>040-054>056-058-059-120100- /O.EXP.KTOP.FW.W.0002.000000T0000Z-171212T0000Z/ Cloud-Clay-Ottawa-Dickinson-Geary-Morris-Wabaunsee-Shawnee- Douglas-Lyon-Osage-Franklin-Coffey-Anderson- 555 PM CST Mon Dec 11 2017 ...RED FLAG WARNING WILL EXPIRE AT 6 PM CST THIS EVENING FOR FIRE WEATHER ZONES 020, 021, 034, 035, 036, 037, 038, 039, 040, 054, 055, 056, 058, AND 059... Breezy north to northwesterly winds continue this evening, and will slowly diminish into the early morning hours. With relative humidities rising, the red flag warning will be allowed to expire. $$
Nearby
Red Flag Warnings in Kansas, 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.