Alert archive / Alabama / Red Flag Warnings in 2011
Red Flag Warning 38, NWS Mobile, AL
NWS Mobile, AL issued this red flag warning at Aug 26, 2011, 2:49 PM CDT for 9 counties in Alabama. It took effect at Aug 27, 2011, 1:00 PM CDT. It was in force for 5 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
- Aug 26, 2011, 2:49 PM CDT (19:49 UTC)
- In effect from
- Aug 27, 2011, 1:00 PM CDT
- Expired
- Aug 27, 2011, 6:00 PM CDT
- In force
- 5 hr
- Issued by
- NWS Mobile, AL
Counties Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Monroe County, AL, Wilcox County, AL
The radar
The Mobile radar (KMOB), 147 km from the middle of the area, began a volume at 19:47 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
Birmingham, AL (KBMX), launched 12:00Z, 7.8 hours before the alert went out and 177 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
- 1466 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 1491 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
292 WWUS84 KMOB 261949 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 249 PM CDT FRI AUG 26 2011 ...A RED FLAG WARNING IS NOW IN EFFECT FROM 11 AM TO 2 PM CDT SATURDAY FOR HIGH DISPERSIONS AND LOW HUMIDITY OVER THE INTERIOR OF THE WEST FLORIDA PANHANDLE... .AN INCREASING NORTHERLY TRANSPORT WIND WILL BRING AN INCREASE IN THE DISPERSIONS VALUES ON FRIDAY AFTERNOON...THIS COMBINED WITH SURFACE HUMIDITY BELOW 35 PERCENT HAS RESULTED IN THE ISSUANCE OF A RED FLAG WARNING. FLZ001-003-005-271200- /O.UPG.KMOB.FW.A.0033.110827T1800Z-110827T2300Z/ /O.NEW.KMOB.FW.W.0038.110827T1600Z-110827T1900Z/ INLAND ESCAMBIA-INLAND SANTA ROSA-INLAND OKALOOSA- 249 PM CDT FRI AUG 26 2011 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 2 PM CDT SATURDAY FOR HIGH DISPERSIONS AND LOW HUMIDITY FOR THE INTERIOR OF THE WEST FLORIDA PANHANDLE... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM TO 2 PM CDT SATURDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * WIND...NORTHWEST WIND 10 TO 15 ON SATURDAY. * HUMIDITY...LOWER TO MID 30S SATURDAY AFTERNOON. * DISPERSION...VALUES 75 TO 85. * IMPACTS...ANY FIRES THAT DEVELOP COULD SPREAD RAPIDLY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...AND DRY FUELS AND HIGH DISPERSIONS WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$
3 follow-up statements
605 WWUS84 KMOB 271103 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 603 AM CDT SAT AUG 27 2011 ...A RED FLAG WARNING IS NOW IN EFFECT FROM 1 PM TO 6 PM CDT THIS AFTERNOON FOR HIGH DISPERSIONS ABOVE 75 AND HUMIDITY BELOW 35 PERCENT OVER THE WEST FLORIDA PANHANDLE... ...A RED FLAG WARNING IS NOW IN EFFECT FROM 1 PM TO 6 PM CDT TODAY FOR KBDI ABOVE 500...20 FOOT WINDS ABOVE 10 MPH...AND LOW HUMIDITY BELOW 30 PERCENT OVER PORTIONS OF SOUTHWEST ALABAMA... .INCREASING NORTH WINDS WILL BRING AN INCREASE IN DISPERSION THIS AFTERNOON. KBDI IN ALABAMA IS ABOVE 500 AND WITH LOW SURFACE HUMIDITY... A RED FLAG WARNING IS NECESSARY. ALZ051-053>060-FLZ002-004-006-272300- /O.EXB.KMOB.FW.W.0038.110827T1800Z-110827T2300Z/ CHOCTAW-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-ESCAMBIA- COVINGTON-COASTAL ESCAMBIA-COASTAL SANTA ROSA-COASTAL OKALOOSA- 603 AM CDT SAT AUG 27 2011 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM CDT THIS EVENING FOR KBDI ABOVE 500...20 FOOT WINDS ABOVE 10 MPH...AND LOW HUMIDITY BELOW 30 PERCENT OVER PORTIONS OF SOUTHWEST ALABAMA... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM TO 6 PM CDT TODAY. * 20 FOOT WIND...NORTHWEST 10 TO 15 MPH THIS AFTERNOON. * HUMIDITY...MID 20S TO NEAR 30 THIS AFTERNOON. * DISPERSION...70 TO 75. * KBDI...ABOVE 500. * IMPACTS...ANY FIRES THAT DEVELOP COULD SPREAD RAPIDLY. PRECAUTIONARY/PREPAREDNESS ACTIONS A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...DRY FUELS AND HIGH DISPERSIONS WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$ FLZ001-003-005-272300- /O.EXT.KMOB.FW.W.0038.110827T1800Z-110827T2300Z/ INLAND ESCAMBIA-INLAND SANTA ROSA-INLAND OKALOOSA- 603 AM CDT SAT AUG 27 2011 ...RED FLAG WARNING NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM CDT THIS EVENING FOR LOW HUMIDITY AND HIGH DISPERSION FOR THE WEST FLORIDA PANHANDLE... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM TO 6 PM CDT TODAY. * WIND...NORTHWEST WIND 10 TO 15 THIS AFTERNOON. * HUMIDITY...LOWER TO MID 30S THIS AFTERNOON. * DISPERSION...AROUND 75. * IMPACTS...ANY FIRES THAT DEVELOP COULD SPREAD RAPIDLY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...DRY FUELS AND HIGH DISPERSIONS WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$
533 WWUS84 KMOB 271937 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 237 PM CDT SAT AUG 27 2011 ...A RED FLAG WARNING IS NOW IN EFFECT FROM 1 PM TO 6 PM CDT THIS AFTERNOON FOR HIGH DISPERSIONS ABOVE 75 AND HUMIDITY BELOW 35 PERCENT OVER THE WEST FLORIDA PANHANDLE... ...A RED FLAG WARNING IS NOW IN EFFECT FROM 1 PM TO 6 PM CDT TODAY FOR KBDI ABOVE 500...20 FOOT WINDS ABOVE 10 MPH...AND LOW HUMIDITY BELOW 30 PERCENT OVER PORTIONS OF SOUTHWEST ALABAMA... .A SURFACE FRONT WHICH HAS MOVED ACROSS THE AREA SATURDAY WILL STALL JUST SOUTH OF THE COAST TONIGHT INTO SUNDAY...BRINGING A MUCH DRIER AIRMASS OVER THE AREA. THIS DRIER AIR WILL HANG AROUND INTO MONDAY..TH.EN BEGIN TO MODIFY THE FIRST HALF OF THE COMING WEEK. FLZ001>006-281200- /O.NEW.KMOB.FW.W.0039.110828T1700Z-110828T2300Z/ /O.NEW.KMOB.FW.A.0034.110829T1700Z-110829T2300Z/ /O.CON.KMOB.FW.W.0038.000000T0000Z-110827T2300Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- 237 PM CDT SAT AUG 27 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR LOW HUMIDITY AND HIGH DISPERSION FOR THE WESTERN FLORIDA PANHANDLE... ...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM CDT SUNDAY FOR LOW HUMIDITY FOR THE WESTERN FLORIDA PANHANDLE... ...FIRE WEATHER WATCH IN EFFECT MONDAY AFTERNOON FOR LOW HUMIDITY FOR THE WESTERN FLORIDA PANHANDLE... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 6 PM CDT SUNDAY. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN EFFECT MONDAY AFTERNOON. * 20 FOOT WIND...NORTHWEST 10 TO 15 MPH THIS AFTERNOON...THEN BECOMING LIGHTER SUNDAY AND MONDAY * HUMIDITY...DROPPING INTO THE 30 TO 35 PERCENT RANGE THIS AFTERNOON...THEN TO AROUND 25 PERCENT SUNDAY AND MONDAY AFTERNOON. * DISPERSION...TOPPING OUT AROUND 80 THIS AFTERNOON...85 TO 90 SUNDAY AND MONDAY AFTERNOON * KBDI...ABOVE 500. * IMPACTS...ANY FIRES THAT DEVELOP COULD SPREAD RAPIDLY. PRECAUTIONARY/PREPAREDNESS ACTIONS A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...DRY FUELS AND HIGH DISPERSIONS WILL CREATE RAPID FIRE GROWTH POTENTIAL. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...AND DRY FUELS WILL CREATE RAPID FIRE GROWTH POTENTIAL. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ ALZ051-053>060-272300- /O.CON.KMOB.FW.W.0038.000000T0000Z-110827T2300Z/ CHOCTAW-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-ESCAMBIA- COVINGTON- 237 PM CDT SAT AUG 27 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR VERY LOW HUMIDITY...HIGH SURFACE WINDS AND VERY DRY CONDITIONS FOR MOST OF SOUTHWEST ALABAMA... * 20 FOOT WIND...NORTHWEST 10 TO 15 MPH THIS AFTERNOON...NORTHERLY AROUND 10 MPH SUNDAY AND MONDAY AFTERNOON. * HUMIDITY...DROPPING TO AROUND 30 PERCENT THIS AFTERNOON...AROUND 25 PERCENT SUNDAY AND MONDAY AFTERNOON. * DISPERSION...TOPPING OUT AROUND 85 THIS AFTERNOON...AROUND 90 TO 95 SUNDAY AND MONDAY AFTERNOON. * KBDI...ABOVE 500. * IMPACTS...ANY FIRES THAT DEVELOP COULD SPREAD RAPIDLY. PRECAUTIONARY/PREPAREDNESS ACTIONS A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...DRY FUELS AND HIGH DISPERSIONS WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$
926 WWUS84 KMOB 272141 CCA RFWMOB URGENT - FIRE WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE MOBILE AL 429 PM CDT SAT AUG 27 2011 ...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS AFTERNOON FOR HIGH DISPERSIONS ABOVE 75 AND HUMIDITY BELOW 35 PERCENT OVER THE WESTERN FLORIDA PANHANDLE... ...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS AFTERNOON FOR KBDI ABOVE 500 AND 20 FOOT WINDS ABOVE 10 MPH AND LOW HUMIDITY BELOW 30 PERCENT OVER PORTIONS OF SOUTHWEST ALABAMA... .A SURFACE FRONT WHICH HAS MOVED ACROSS THE AREA SATURDAY WILL STALL JUST SOUTH OF THE COAST TONIGHT INTO SUNDAY...BRINGING A MUCH DRIER AIRMASS OVER THE AREA. THIS DRIER AIR WILL HANG AROUND INTO MONDAY...THEN BEGIN TO MODIFY THE FIRST HALF OF THE COMING WEEK. FLZ001>006-281400- /O.COR.KMOB.FW.W.0039.110828T1700Z-110828T2300Z/ /O.COR.KMOB.FW.A.0034.110829T1700Z-110829T2300Z/ /O.COR.KMOB.FW.W.0038.000000T0000Z-110827T2300Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- 429 PM CDT SAT AUG 27 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR LOW HUMIDITY AND HIGH DISPERSION FOR THE WESTERN FLORIDA PANHANDLE... ...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM CDT SUNDAY FOR LOW HUMIDITY FOR THE WESTERN FLORIDA PANHANDLE... ...FIRE WEATHER WATCH IN EFFECT MONDAY AFTERNOON FOR LOW HUMIDITY FOR THE WESTERN FLORIDA PANHANDLE... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TO 6 PM CDT SUNDAY. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN EFFECT MONDAY AFTERNOON. * HUMIDITY...DROPPING INTO THE 30 TO 35 PERCENT RANGE THIS AFTERNOON AND THEN TO AROUND 25 PERCENT SUNDAY AND MONDAY AFTERNOON. * DISPERSION...TOPPING OUT AROUND 80 THIS AFTERNOON AND THEN BETWEEN 85 TO 90 SUNDAY AND MONDAY AFTERNOON * IMPACTS...ANY FIRES THAT DEVELOP COULD SPREAD RAPIDLY. PRECAUTIONARY/PREPAREDNESS ACTIONS A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...DRY FUELS AND HIGH DISPERSIONS WILL CREATE RAPID FIRE GROWTH POTENTIAL. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ ALZ051-053>060-272300- /O.COR.KMOB.FW.W.0038.000000T0000Z-110827T2300Z/ CHOCTAW-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-ESCAMBIA- COVINGTON- 429 PM CDT SAT AUG 27 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR VERY LOW HUMIDITY...HIGH SURFACE WINDS AND VERY DRY CONDITIONS FOR MOST OF SOUTHWEST ALABAMA... * 20 FOOT WIND...NORTHWEST 10 TO 15 MPH THIS AFTERNOON...NORTHERLY AROUND 10 MPH SUNDAY AND MONDAY AFTERNOON. * HUMIDITY...DROPPING TO AROUND 30 PERCENT THIS AFTERNOON...AROUND 25 PERCENT SUNDAY AND MONDAY AFTERNOON. * DISPERSION...TOPPING OUT AROUND 85 THIS AFTERNOON...AROUND 90 TO 95 SUNDAY AND MONDAY AFTERNOON. * KBDI...ABOVE 500. * IMPACTS...ANY FIRES THAT DEVELOP COULD SPREAD RAPIDLY. PRECAUTIONARY/PREPAREDNESS ACTIONS A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...DRY FUELS AND HIGH DISPERSIONS WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 6:08 AM CDT | Fire Weather Watch | MOB | 9 hr |
Nearby
Red Flag Warnings in Alabama, 2011Red Flag Warnings in Florida, 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.