Alert archive / Kansas / Red Flag Warnings in 2011
Red Flag Warning 3, NWS Kansas City, MO
NWS Kansas City, MO issued this red flag warning at Sep 1, 2011, 4:45 AM CDT for 5 counties in Kansas; 5 counties in Missouri. It took effect at Sep 1, 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
- Sep 1, 2011, 4:45 AM CDT (09:45 UTC)
- In effect from
- Sep 1, 2011, 12:00 PM CDT
- Expired
- Sep 1, 2011, 7:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS Kansas City, MO
Counties Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Bates County, MO, Cass County, MO, Clay County, MO, Jackson County, MO, Platte County, MO
The radar
The Pleasant Hill radar (KEAX), 34 km from the middle of the area, began a volume at 09:46 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, 9.8 hours before the alert went out and 87 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
- 199 J/kg
- Mixed-layer CIN
- -198 J/kg
- Mixed-layer LCL
- 3152 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
278 WWUS83 KEAX 010945 RFWEAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 445 AM CDT THU SEP 1 2011 KSZ057-060-103>105-MOZ028-029-037-043-053-011745- /O.NEW.KEAX.FW.W.0003.110901T1700Z-110902T0000Z/ MIAMI-LINN KS-LEAVENWORTH-WYANDOTTE-JOHNSON KS-PLATTE-CLAY- JACKSON-CASS-BATES- 445 AM CDT THU SEP 1 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 028...029...037...043...053...057...060...103...104 AND 105... THE NATIONAL WEATHER SERVICE IN KANSAS CITY/PLEASANT HILL HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING. * THIS INCLUDES AREAS FROM THE KANSAS CITY METROPOLITAN AREA TO BUTLER...AND WESTWARD INTO ADJACENT KANSAS...INCLUDING PAOLA... LA CYGNE AND PLEASANTON. THIS INCLUDES THE MARAIS DES CYGNES WILDLIFE AREA. * WIND...WILL INCREASE FROM THE SOUTH-SOUTHWEST THIS MORNING...REACHING PEAK VELOCITIES OF 15 TO 20 MPH THIS AFTERNOON WITH GUSTS UP TO 25 MPH. * HUMIDITY...TEMPERATURES WILL SOAR TO BETWEEN 100 AND 103 THIS AFTERNOON. DRIER AIR MIXING DOWN FROM ALOFT AND ARRIVING FROM THE SOUTHWEST WILL YIELD RELATIVE HUMIDITY VALUES BETWEEN 20 AND 25 PERCENT BETWEEN 2 AND 6 PM. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD QUICKLY. 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 GUSTY WINDS...LOW RELATIVE HUMIDITY...AND HOT TEMPERATURES WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$ BOOKBINDER
3 follow-up statements
094 WWUS83 KEAX 011524 RFWEAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 1024 AM CDT THU SEP 1 2011 KSZ057-060-103>105-MOZ028-029-037-043-053-020000- /O.CON.KEAX.FW.W.0003.110901T1700Z-110902T0000Z/ MIAMI-LINN KS-LEAVENWORTH-WYANDOTTE-JOHNSON KS-PLATTE-CLAY- JACKSON-CASS-BATES- 1024 AM CDT THU SEP 1 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITIES FOR FIRE WEATHER ZONES 028...029...037... 043...053...057...060...103...104 AND 105... * THIS INCLUDES AREAS FROM THE KANSAS CITY METROPOLITAN AREA TO BUTLER...AND WESTWARD INTO ADJACENT KANSAS...INCLUDING PAOLA... LA CYGNE AND PLEASANTON. THIS INCLUDES THE MARAIS DES CYGNES WILDLIFE AREA. * WIND...WILL INCREASE FROM THE SOUTH-SOUTHWEST LATE THIS MORNING...REACHING PEAK VELOCITIES OF 15 TO 20 MPH THIS AFTERNOON WITH GUSTS UP TO 25 MPH. * HUMIDITY...TEMPERATURES WILL SOAR TO BETWEEN 100 AND 104 THIS AFTERNOON. DRIER AIR MIXING DOWN FROM ALOFT AND ARRIVING FROM THE SOUTHWEST WILL YIELD RELATIVE HUMIDITY VALUES BETWEEN 20 AND 25 PERCENT BETWEEN 2 AND 6 PM. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD QUICKLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF GUSTY WINDS...LOW RELATIVE HUMIDITY...AND HOT TEMPERATURES WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$
973 WWUS83 KEAX 011921 RFWEAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 221 PM CDT THU SEP 1 2011 KSZ057-060-103>105-MOZ028-029-037-043-053-020000- /O.CON.KEAX.FW.W.0003.000000T0000Z-110902T0000Z/ MIAMI-LINN KS-LEAVENWORTH-WYANDOTTE-JOHNSON KS-PLATTE-CLAY- JACKSON-CASS-BATES- 221 PM CDT THU SEP 1 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITIES FOR FIRE WEATHER ZONES 028... 029...037... 043...053...057...060...103...104 AND 105... * THIS INCLUDES AREAS FROM THE KANSAS CITY METROPOLITAN AREA TO BUTLER...AND WESTWARD INTO ADJACENT KANSAS...INCLUDING PAOLA... LA CYGNE AND PLEASANTON. THIS INCLUDES THE MARAIS DES CYGNES WILDLIFE AREA. * WIND...WILL CONTINUUE FROM THE SOUTH TO SOUTHHWEST AT 15 TO 20 MPH THIS AFTERNOON WITH GUSTS UP TO 25 MPH. * HUMIDITY...TEMPERATURES WILL SOAR TO BETWEEN 100 AND 104 THIS AFTERNOON. DRIER AIR MIXING DOWN FROM ALOFT AND ARRIVING FROM THESOUTHWEST WILL YIELD RELATIVE HUMIDITY VALUES BETWEEN 20 AND 25 PERCENT BETWEEN 2 AND 6 PM. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD QUICKLY. 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 GUSTY WINDS...LOW RELATIVE HUMIDITY...AND HOT TEMPERATURES WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$
934 WWUS83 KEAX 012354 RFWEAX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 654 PM CDT THU SEP 1 2011 KSZ057-060-103>105-MOZ028-029-037-043-053-020100- /O.EXP.KEAX.FW.W.0003.000000T0000Z-110902T0000Z/ MIAMI-LINN KS-LEAVENWORTH-WYANDOTTE-JOHNSON KS-PLATTE-CLAY- JACKSON-CASS-BATES- 654 PM CDT THU SEP 1 2011 ...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITIES FOR FIRE WEATHER ZONES 028... 029...037... 043...053...057...060...103...104 AND 105... * THIS INCLUDES AREAS FROM THE KANSAS CITY METROPOLITAN AREA TO BUTLER...AND WESTWARD INTO ADJACENT KANSAS...INCLUDING PAOLA... LA CYGNE AND PLEASANTON. THIS INCLUDES THE MARAIS DES CYGNES WILDLIFE AREA. * WIND...WILL DIMINISH TO 10 TO 15 MPH THIS EVENING. * HUMIDITY...TEMPERATURES WILL COOL INTO THE MID TO UPPER 80S THIS EVENING WITH RELATIVE HUMIDITY VALUES INCREASING TO OVER 40 PERCENT BY 9 PM. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF GUSTY WINDS...LOW RELATIVE HUMIDITY...AND HOT TEMPERATURES WILL CREATE RAPID FIRE GROWTH POTENTIAL. $$ MJ
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 10:21 AM CDT | Heat Advisory | EAX | Atchison, Doniphan, Johnson, Leavenworth, Linn, Miami and 1 more | 30 hr |
Nearby
Red Flag Warnings in Kansas, 2011Red Flag Warnings in Missouri, 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.