Alert archive / Missouri / Red Flag Warnings in 2011
Red Flag Warning 1, NWS Kansas City, MO
NWS Kansas City, MO issued this red flag warning at Apr 5, 2011, 3:54 AM CDT for 7 counties in Kansas; 21 counties in Missouri. It took effect at Apr 5, 2011, 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 5, 2011, 3:54 AM CDT (08:54 UTC)
- In effect from
- Apr 5, 2011, 12:00 PM CDT
- Expired
- Apr 5, 2011, 7:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS Kansas City, MO
All 28 counties
Atchison County, KS, Doniphan County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Andrew County, MO, Atchison County, MO, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Cass County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Henry County, MO, Holt County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Nodaway County, MO, Pettis County, MO, Platte County, MO, Ray County, MO, Worth County, MO
The radar
The Pleasant Hill radar (KEAX), 66 km from the middle of the area, began a volume at 08:52 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, 8.9 hours before the alert went out and 106 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
- 2791 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
877 WWUS83 KEAX 050854 RFWEAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 354 AM CDT TUE APR 5 2011 .DESPITE THE RECENT RAIN...REGIONALLY THE SPRING GREEN UP IS STILL JUST GETTING STARTED...SO FINE FUELS ACROSS THE REGION ARE STILL CONSIDERED WELL CURED. THESE DRY FINE FUELS MAY BE ABLE TO COMBINE WITH WARM TEMPERATURES...LOW HUMIDITY VALUES...AND A GUSTY WIND THIS AFTERNOON TO PRODUCE EXTREME FIRE BEHAVIOR. KSZ025-057-060-102>105-MOZ001>004-011>014-020>022-028>030-037-038- 043>045-053-054-052100- /O.NEW.KEAX.FW.W.0001.110405T1700Z-110406T0000Z/ ATCHISON KS-MIAMI-LINN KS-DONIPHAN-LEAVENWORTH-WYANDOTTE- JOHNSON KS-ATCHISON MO-NODAWAY-WORTH-GENTRY-HOLT-ANDREW-DE KALB- DAVIESS-BUCHANAN-CLINTON-CALDWELL-PLATTE-CLAY-RAY-JACKSON- LAFAYETTE-CASS-JOHNSON MO-PETTIS-BATES-HENRY- 354 AM CDT TUE APR 5 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 001...002...003...004...011...012...013...014...020...021...022... 025...028...029...030...037...038...043...044...045...053...054... 057...060...102...103...104 AND 105... THE NATIONAL WEATHER SERVICE IN KANSAS CITY/PLEASANT HILL...IN COORDINATION WITH AREA LAND MANAGEMENT AGENCIES... HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING. * AFFECTED AREA...INCLUDE ALL LOCATIONS IN EASTERN KANSAS...AND AREAS IN MISSOURI ALONG AND WEST OF A LINE FROM GRANT CITY...TO CARROLLTON...TO SEDALIA. * WIND...WILL BE FROM THE SOUTHWEST AT 15 TO 25 MPH...WITH FREQUENT GUSTS TO NEAR 30 MPH THIS AFTERNOON. * HUMIDITY...IS EXPECTED TO RANGE AS LOW AS 18 TO 23 PERCENT THIS AFTERNOON...WITH THE LOWEST VALUES ACROSS EAST CENTRAL KANSAS AND WEST CENTRAL MISSOURI. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY AND BECOME VERY DIFFICULT TO CONTROL DUE TO LOW HUMIDITIES AND A GUSTY WIND. 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 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ CUTTER
2 follow-up statements
709 WWUS83 KEAX 052028 RFWEAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 328 PM CDT TUE APR 5 2011 .WARM...DRY AND GUSTY WEST TO SOUTHWEST WINDS UP TO 30 MPH WILL COMBINE WITH CURED FINE FUELS SUCH AS DRY GRASSES AND LOW HUMIDITIES TO PRODUCE EXTREME FIRE BEHAVIOR INTO THE VERY EARLY EVENING HOURS. KSZ025-057-060-102>105-MOZ001>004-011>014-020>022-028>030-037-038- 043>045-053-054-060000- /O.CON.KEAX.FW.W.0001.000000T0000Z-110406T0000Z/ ATCHISON KS-MIAMI-LINN KS-DONIPHAN-LEAVENWORTH-WYANDOTTE- JOHNSON KS-ATCHISON MO-NODAWAY-WORTH-GENTRY-HOLT-ANDREW-DE KALB- DAVIESS-BUCHANAN-CLINTON-CALDWELL-PLATTE-CLAY-RAY-JACKSON- LAFAYETTE-CASS-JOHNSON MO-PETTIS-BATES-HENRY- 328 PM CDT TUE APR 5 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES... IN MISSOURI...1...2...3...4...11...12...13...14...20 ...21...22...28...29...30 IN KANSAS...25...57...60...102...103...104...105 * WIND...WILL BE FROM THE WEST SOUTHWEST AT 15 TO 25 MPH...WITH OCCASIONAL GUSTS TO NEAR 30 MPH THROUGH LATE THIS AFTERNOON. * HUMIDITY...LOWEST VALUES WILL RANGE FROM 15 TO 23 PERCENT INTO THE LATE AFTERNOON HOURS...WITH HUMIDITY LEVELS INCREASING BY EARLY EVENING AS WINDS DIMINISH. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY AND BECOME VERY DIFFICULT TO CONTROL DUE TO LOW HUMIDITIES AND A GUSTY WIND. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ MJ
484 WWUS83 KEAX 052354 RFWEAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 654 PM CDT TUE APR 5 2011 KSZ025-057-060-102>105-MOZ001>004-011>014-020>022-028>030-037-038- 043>045-053-054-060100- /O.EXP.KEAX.FW.W.0001.000000T0000Z-110406T0000Z/ ATCHISON KS-MIAMI-LINN KS-DONIPHAN-LEAVENWORTH-WYANDOTTE- JOHNSON KS-ATCHISON MO-NODAWAY-WORTH-GENTRY-HOLT-ANDREW-DE KALB- DAVIESS-BUCHANAN-CLINTON-CALDWELL-PLATTE-CLAY-RAY-JACKSON- LAFAYETTE-CASS-JOHNSON MO-PETTIS-BATES-HENRY- 654 PM CDT TUE APR 5 2011 ...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING... THE RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING. THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES... IN MISSOURI...1...2...3...4...11...12...13...14...20 ...21...22...28...29...30 IN KANSAS...25...57...60...102...103...104...105 WINDS WILL SUBSIDE TO BELOW 20 MPH THIS EVENING...WHILE RELATIVE HUMIDITY VALUES GRADUALLY RISE ABOVE 30 PERCENT. THEREFORE THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AT 7 PM. EVEN THOUGH THE EXTREME FIRE DANGER IS DIMINISHING...SOUTHWEST WINDS AROUND 15 MPH WILL MAINTAIN AN ELEVATED FIRE RISK INTO THE LATE EVENING HOURS. $$
Nearby
Red Flag Warnings in Missouri, 2011Red 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; radar from the NEXRAD Level II archive.