Alert archive / Kansas / Red Flag Warnings in 2011
Red Flag Warning 6, NWS Topeka, KS
NWS Topeka, KS issued this red flag warning at Sep 1, 2011, 7:55 AM CDT for 11 counties in Kansas. It took effect at Sep 1, 2011, 1:00 PM CDT. 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
- Sep 1, 2011, 7:55 AM CDT (12:55 UTC)
- In effect from
- Sep 1, 2011, 1:00 PM CDT
- Expired
- Sep 1, 2011, 7:11 PM CDT
- In force
- 6 hr
- Issued by
- NWS Topeka, KS
Counties Anderson County, KS, Coffey County, KS, Dickinson County, KS, Franklin County, KS, Geary County, KS, Lyon County, KS, Morris County, KS, Osage County, KS, Ottawa County, KS, Riley County, KS, Wabaunsee County, KS
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 0.9 hours before the alert went out and 65 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
- 30 J/kg
- Mixed-layer CIN
- -655 J/kg
- Mixed-layer LCL
- 2735 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
329 WWUS83 KTOP 011255 RFWTOP URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TOPEKA KS 755 AM CDT THU SEP 1 2011 ...BREEZY AND DRY CONDITIONS BRING EXTREME FIRE DANGER THIS AFTERNOON... .A HOT DRY AIRMASS WILL MOVE INTO PORTIONS OF CENTRAL AND EAST CENTRAL KANSAS TODAY...AND WILL COMBINE WITH DRY AND CURED VEGETATION TO BRING CRITICAL FIRE WEATHER CONDITIONS TO THE AREA. KSZ022-034>038-054>056-058-059-020100- /O.NEW.KTOP.FW.W.0006.110901T1800Z-110902T0100Z/ RILEY-OTTAWA-DICKINSON-GEARY-MORRIS-WABAUNSEE-LYON-OSAGE-FRANKLIN- COFFEY-ANDERSON- 755 AM CDT THU SEP 1 2011 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING FOR WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES FOR AREAS SOUTH OF INTERSTATE 70 TODAY... THE NATIONAL WEATHER SERVICE IN TOPEKA...IN CONJUNCTION WITH AREA LAND MANAGEMENT AGENCIES... HAS ISSUED A RED FLAG WARNING FOR LOW RELATIVE HUMIDITIES AND WINDY CONDITIONS...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING. * AFFECTED AREA...GENERALLY ALONG AND SOUTH OF INTERSTATE 70...FROM A MINNEAPOLIS TO MANHATTAN TO OTTAWA LINE. * WINDS...SOUTH 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. * TIMING...THIS AFTERNOON INTO THE EARLY EVENING HOURS. * RELATIVE HUMIDITY...AS LOW AS 18 PERCENT. * TEMPERATURES...98 TO 105. * IMPACTS...WITH THESE DRY AND WINDY CONDITIONS COMBINED WITH AREA FUELS WHICH ARE DRY AND CURED...FIRES CAN START QUICKLY...SPREAD FURIOUSLY AND BURN INTENSELY. ALL FIRES ARE POTENTIALLY SERIOUS. OUTDOOR BURNING SHOULD BE AVOIDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF DRY FUELS...STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
2 follow-up statements
408 WWUS83 KTOP 011730 RFWTOP URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TOPEKA KS 1230 PM CDT THU SEP 1 2011 ...BREEZY AND DRY CONDITIONS BRING EXTREME FIRE DANGER THIS AFTERNOON... .A HOT DRY AIRMASS IS OVERTAKING PORTIONS OF CENTRAL AND EAST CENTRAL KANSAS TODAY...AND WILL COMBINE WITH DRY AND CURED VEGETATION TO BRING CRITICAL FIRE WEATHER CONDITIONS TO THE AREA. KSZ022-034>038-054>056-058-059-020100- /O.CON.KTOP.FW.W.0006.110901T1800Z-110902T0100Z/ RILEY-OTTAWA-DICKINSON-GEARY-MORRIS-WABAUNSEE-LYON-OSAGE-FRANKLIN- COFFEY-ANDERSON- 1230 PM CDT THU SEP 1 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR WINDY CONDITIONS AND LOW RELATIVE HUMIDITIES FOR AREAS SOUTH OF INTERSTATE 70 TODAY... * AFFECTED AREA...GENERALLY ALONG AND SOUTH OF INTERSTATE 70... FROM A MINNEAPOLIS TO MANHATTAN TO OTTAWA LINE. * WINDS...SOUTH 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. * TIMING...THROUGH THE EARLY EVENING HOURS. * RELATIVE HUMIDITY...AS LOW AS 16 PERCENT. * TEMPERATURES...102 TO 108. * IMPACTS...WITH THESE DRY AND WINDY CONDITIONS COMBINED WITH AREA FUELS WHICH ARE DRY AND CURED...FIRES CAN START QUICKLY... SPREAD FURIOUSLY AND BURN INTENSELY. ALL FIRES ARE POTENTIALLY SERIOUS. OUTDOOR BURNING SHOULD BE AVOIDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF DRY FUELS...STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
061 WWUS83 KTOP 020011 RFWTOP URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TOPEKA KS 711 PM CDT THU SEP 1 2011 KSZ022-034>038-054>056-058-059-020115- /O.CAN.KTOP.FW.W.0006.000000T0000Z-110902T0100Z/ RILEY-OTTAWA-DICKINSON-GEARY-MORRIS-WABAUNSEE-LYON-OSAGE-FRANKLIN- COFFEY-ANDERSON- 711 PM CDT THU SEP 1 2011 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TOPEKA HAS CANCELLED THE RED FLAG WARNING. WITH TEMPERATURES COOLING AND WINDS DIMINISHING...WEATHER CONDITIONS WILL BECOME LESS FAVORABLE FOR EXTREME FIRE BEHAVIOR. THEREFORE THE RED FLAG WARNING HAS BEEN CANCELLED. $$ WOLTERS
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 10:36 AM CDT | Heat Advisory | TOP | Anderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more | 9 hr |
Nearby
Red Flag Warnings in Kansas, 2011Every red flag warning in 2011
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.