Alert archive / Missouri / Red Flag Warnings in 2011
Red Flag Warning 2, NWS Kansas City, MO
NWS Kansas City, MO issued this red flag warning at Apr 10, 2011, 3:42 AM CDT for 16 counties in Missouri; 6 counties in Kansas. It took effect at Apr 10, 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
- Apr 10, 2011, 3:42 AM CDT (08:42 UTC)
- In effect from
- Apr 10, 2011, 1:00 PM CDT
- Expired
- Apr 10, 2011, 6:53 PM CDT
- In force
- 6 hr
- Issued by
- NWS Kansas City, MO
All 22 counties
Atchison County, KS, Doniphan County, KS, Johnson County, KS, Leavenworth County, KS, Miami County, KS, Wyandotte County, KS, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Caldwell County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Harrison County, MO, Holt County, MO, Jackson County, MO, Nodaway County, MO, Platte County, MO, Ray County, MO, Worth County, MO
The radar
The Pleasant Hill radar (KEAX), 101 km from the middle of the area, began a volume at 08:43 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 114 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
- 1041 J/kg
- Mixed-layer CIN
- -351 J/kg
- Mixed-layer LCL
- 2047 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 217 m²/s²
- 0-3 km storm-relative helicity
- 312 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
468 WWUS83 KEAX 100842 RFWEAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 342 AM CDT SUN APR 10 2011 ...DANGEROUS WILD FIRE CONDITIONS EXPECTED THIS AFTERNOON... .WARM AND DRY CONDITIONS WILL DEVELOP THIS AFTERNOON AS GUSTY SOUTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS OF 40 TO 45 MPH COMBINES WITH CURED FINE FUELS SUCH AS DRY GRASSES AND LOW HUMIDITY TO PRODUCE EXTREME FIRE BEHAVIOR INTO THE VERY EARLY EVENING HOURS. KSZ025-102-MOZ001-002-011-012-101645- /O.NEW.KEAX.FW.W.0002.110410T1800Z-110411T0000Z/ ATCHISON KS-DONIPHAN-ATCHISON MO-NODAWAY-HOLT-ANDREW- 342 AM CDT SUN APR 10 2011 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT THIS EVENING. THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES... IN MISSOURI...1...2...11...12 IN KANSAS...25...102 * WIND...WILL BE FROM THE SOUTHWEST AT 25 TO 35 MPH...WITH OCCASIONAL GUSTS OF 40 TO 45 MPH THROUGH LATE THIS AFTERNOON. * HUMIDITY...RELATIVE HUMIDITY VALUES WILL DROP BELOW 25 PERCENT THIS AFTERNOON...WITH HUMIDITY LEVELS INCREASING BY EARLY EVENING AS TEMPERATURES COOL. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY AND BECOME VERY DIFFICULT TO CONTROL DUE TO LOW HUMIDITY AND A GUSTY WINDS. 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. && $$ DEROCHE
3 follow-up statements
832 WWUS83 KEAX 101638 RFWEAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 1138 AM CDT SUN APR 10 2011 ...DANGEROUS WILD FIRE CONDITIONS EXPECTED THIS AFTERNOON... .WARM AND DRY CONDITIONS WILL DEVELOP THIS AFTERNOON AS SOUTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS OF 40 TO 45 MPH COMBINE WITH CURED FINE FUELS SUCH AS DRY GRASSES AND LOW HUMIDITY TO PRODUCE EXTREME FIRE BEHAVIOR INTO THE VERY EARLY EVENING HOURS. KSZ057-103>105-MOZ003>005-013-014-020>022-028>030-037-110000- /O.EXA.KEAX.FW.W.0002.110410T1800Z-110411T0000Z/ MIAMI-LEAVENWORTH-WYANDOTTE-JOHNSON KS-WORTH-GENTRY-HARRISON- DE KALB-DAVIESS-BUCHANAN-CLINTON-CALDWELL-PLATTE-CLAY-RAY-JACKSON- 1138 AM CDT SUN APR 10 2011 ...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES... IN MISSOURI...3...4...5...13...14...20...21...22...28 ...29...30...37 IN KANSAS...57...103...104...105 * WIND...WILL BE FROM THE SOUTHWEST AT 25 TO 35 MPH...WITH OCCASIONAL GUSTS OF 40 TO 45 MPH THROUGH LATE THIS AFTERNOON. * HUMIDITY...RELATIVE HUMIDITY VALUES WILL DROP BELOW 25 PERCENT THIS AFTERNOON...WITH HUMIDITY LEVELS INCREASING BY EARLY EVENING AS TEMPERATURES COOL. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY AND BECOME VERY DIFFICULT TO CONTROL DUE TO LOW HUMIDITY AND A GUSTY WINDS. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ KSZ025-102-MOZ001-002-011-012-110000- /O.CON.KEAX.FW.W.0002.110410T1800Z-110411T0000Z/ ATCHISON KS-DONIPHAN-ATCHISON MO-NODAWAY-HOLT-ANDREW- 1138 AM CDT SUN APR 10 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...11...12 IN KANSAS...25...102 * WIND...WILL BE FROM THE SOUTHWEST AT 25 TO 35 MPH...WITH OCCASIONAL GUSTS OF 40 TO 45 MPH THROUGH LATE THIS AFTERNOON. * HUMIDITY...RELATIVE HUMIDITY VALUES WILL DROP BELOW 25 PERCENT THIS AFTERNOON...WITH HUMIDITY LEVELS INCREASING BY EARLY EVENING AS TEMPERATURES COOL. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY AND BECOME VERY DIFFICULT TO CONTROL DUE TO LOW HUMIDITY AND A GUSTY WINDS. 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. && $$ HAWBLITZEL
180 WWUS83 KEAX 102043 RFWEAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 343 PM CDT SUN APR 10 2011 ...DANGEROUS WILD FIRE CONDITIONS TO CONTINUE INTO EARLY EVENING... .A DRYLINE PUSHING INTO CENTRAL MISSOURI HAS CAUSED VERY DRY AIR TO SPREAD INTO EASTERN KANSAS AND WESTERN AND NORTHWESTERN MISSOURI. COMBINED WITH GUSTY SOUTHWEST WINDS AND LOW GROUND MOISTURE...THIS WILL CAUSE A CRITICAL FIRE DANGER TO CONTINUE INTO EARLY THIS EVENING. DECREASING WINDS AND INCREASING HUMIDITY WILL BRING IMPROVING CONDITIONS LATER THIS EVENING. KSZ025-057-102>105-MOZ001>005-011>014-020>022-028>030-037-110000- /O.CON.KEAX.FW.W.0002.000000T0000Z-110411T0000Z/ ATCHISON KS-MIAMI-DONIPHAN-LEAVENWORTH-WYANDOTTE-JOHNSON KS- ATCHISON MO-NODAWAY-WORTH-GENTRY-HARRISON-HOLT-ANDREW-DE KALB- DAVIESS-BUCHANAN-CLINTON-CALDWELL-PLATTE-CLAY-RAY-JACKSON- 343 PM CDT SUN APR 10 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES... IN MISSOURI...1...2...3...4...5...11...12...13...14 ...20...21...22...28...29...30...37 IN KANSAS...25...57...102...103...104...105 * WIND...WILL BE FROM THE SOUTHWEST AT 25 TO 35 MPH...WITH OCCASIONAL GUSTS OF 40 TO 45 MPH THROUGH EARLY EVENING. * HUMIDITY...RELATIVE HUMIDITY VALUES HAVE DROPPED INTO THE 15 TO 25 PERCENT RANGE. THESE VALUES WILL BEGIN TO RISE LATER THIS EVENING AS TEMPERATURES COOL. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY AND BECOME VERY DIFFICULT TO CONTROL DUE TO LOW HUMIDITY AND GUSTY WINDS. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ HAWBLITZEL
261 WWUS83 KEAX 102353 RFWEAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 653 PM CDT SUN APR 10 2011 KSZ025-057-102>105-MOZ001>005-011>014-020>022-028>030-037-110100- /O.CAN.KEAX.FW.W.0002.000000T0000Z-110411T0000Z/ ATCHISON KS-MIAMI-DONIPHAN-LEAVENWORTH-WYANDOTTE-JOHNSON KS- ATCHISON MO-NODAWAY-WORTH-GENTRY-HARRISON-HOLT-ANDREW-DE KALB- DAVIESS-BUCHANAN-CLINTON-CALDWELL-PLATTE-CLAY-RAY-JACKSON- 653 PM CDT SUN APR 10 2011 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS CANCELLED THE RED FLAG WARNING. THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES... IN MISSOURI...1...2...3...4...5...11...12...13...14 ...20...21...22...28...29...30...37 IN KANSAS...25...57...102...103...104...105 WINDS HAVE DIMINISHED THIS EVENING REDUCING THE CRITICAL FIRE DANGER THAT HAD DEVELOPED THIS AFTERNOON. AN ELEVATED FIRE DANGER MAY PERSIST THROUGH EARLY THIS EVENING BUT COLDER TEMPERATURES AND INCREASED DEWPOINTS BEHIND A COLD FRONT WILL FURTHER REDUCE THE FIRE DANGER POTENTIAL. $$ CDB
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 3:35 AM CDT | Wind Advisory | EAX | Adair, Andrew, Atchison, Bates, Buchanan, Caldwell and 31 more | 15 hr |
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.