Alert archive / Alabama / Red Flag Warnings in 2011

Red Flag Warning 43, NWS Mobile, AL

September 30, 201110 counties in Alabama

NWS Mobile, AL issued this red flag warning at Sep 30, 2011, 6:18 AM CDT for 10 counties in Alabama. It took effect at Sep 30, 2011, 1:00 PM CDT. It was in force for . 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 30, 2011, 6:18 AM CDT (11:18 UTC)
In effect from
Sep 30, 2011, 1:00 PM CDT
Expired
Sep 30, 2011, 12:55 PM CDT
In force
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, Washington County, AL, Wilcox County, AL

The radar

The Mobile radar (KMOB), 138 km from the middle of the area, began a volume at 11:21 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 00:00Z, 11.3 hours before the alert went out and 182 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.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 00:00Z on 2011-09-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2011-09-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1760 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

509 
WWUS84 KMOB 301118
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
618 AM CDT FRI SEP 30 2011

...RED FLAG WARNING IS NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM
CDT THIS EVENING FOR SOUTHWEST ALABAMA AND THE WESTERN FLORIDA
PANHANDLE DUE TO 20 FOOT WIND ABOVE 10 MPH...LOW AFTERNOON HUMIDITY
BELOW 35 PERCENT AND DISPERSIONS 75 AND HIGHER...

.A COLD FRONT WITH A STRONG NORTH WIND BRINGING VERY DRY AIR INTO THE
REGION WILL ELEVATE THE RISK OF WILDFIRE.

ALZ051>064-010330-
/O.NEW.KMOB.FW.W.0043.110930T1800Z-110930T2300Z/
/O.NEW.KMOB.FW.A.0037.111001T1700Z-111001T2300Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-
618 AM CDT FRI SEP 30 2011

...RED FLAG WARNING NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM
CDT THIS EVENING FOR SOUTHWEST ALABAMA DUE TO 20 FOOT WIND ABOVE 10 MPH AND LOW AFTERNOON HUMIDITY
BELOW 35 PERCENT...

...FIRE WEATHER WATCH IN EFFECT SATURDAY AFTERNOON FOR SOUTHWEST
ALABAMA DUE TO 20 FOOT WIND ABOVE 10 MPH AND LOW AFTERNOON HUMIDITY
BELOW 35 PERCENT...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM CDT
THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS
FIRE WEATHER WATCH IS IN EFFECT SATURDAY AFTERNOON. 

* AFFECTED AREA...FIRE WEATHER ZONES 051...052...053...054... 
  055...056...057...058...059...060...061...062...063 AND 064. 

* WIND...NORTH 10 TO 15 MPH

* HUMIDITY...BELOW 35 PERCENT

* DISPERSION...ABOVE 75

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  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 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.

&&

$$

FLZ001>006-010330-
/O.NEW.KMOB.FW.W.0043.110930T1800Z-110930T2300Z/
/O.NEW.KMOB.FW.A.0037.111001T1700Z-111001T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
618 AM CDT FRI SEP 30 2011

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM
CDT THIS EVENING FOR THE WESTERN FLORIDA PANHANDLE DUE TO LOW 
AFTERNOON HUMIDITY BELOW 35 PERCENT AND DISPERSIONS 75 AND HIGHER...

...FIRE WEATHER WATCH IN EFFECT SATURDAY AFTERNOON THE WESTERN
FLORIDA PANHANDLE DUE TO LOW AFTERNOON HUMIDITY BELOW 35 PERCENT AND
DISPERSIONS 75 AND HIGHER...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM CDT
THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS
FIRE WEATHER WATCH IS IN EFFECT SATURDAY AFTERNOON. 

* AFFECTED AREA...FIRE WEATHER ZONES 001...002...003...004... 005 AND
  006.

* WIND...NORTH 10 TO 15 MPH

* HUMIDITY...BELOW 35 PERCENT

* DISPERSION...ABOVE 75

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  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 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.

&&

$$
3 follow-up statements
370 
WWUS84 KMOB 301140 CCA
RFWMOB

URGENT - FIRE WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE MOBILE AL
630 AM CDT FRI SEP 30 2011

...RED FLAG WARNING IS NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM
CDT THIS EVENING FOR SOUTHWEST ALABAMA AND THE WESTERN FLORIDA
PANHANDLE DUE TO CRITICALLY LOW HUMIDITY...HIGH DISPERSIONS...AND
STRONG 20 FOOT WINDS...

...FIRE WEATHER WATCH IS NOW IN EFFECT FROM 1 PM TO 6 PM CDT SATURDAY
FOR SOUTHWEST ALABAMA AND THE WESTERN FLORIDA PANHANDLE DUE CRITICALLY
LOW HUMIDITY...HIGH DISPERSIONS...AND STRONG 20 FOOT WINDS...

.A COLD FRONT WILL MOVE THROUGH THE AREA THIS MORNING. VERY DRY AIR
AND STRONG NORTH WINDS WILL ELEVATE THE RISK OF WILDFIRES FOR THE
NEXT COUPLE OF DAYS.

ALZ051>064-010345-
/O.COR.KMOB.FW.W.0043.110930T1800Z-110930T2300Z/
/O.COR.KMOB.FW.A.0037.111001T1700Z-111001T2300Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-
630 AM CDT FRI SEP 30 2011

...RED FLAG WARNING NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM
CDT THIS EVENING FOR SOUTHWEST ALABAMA DUE TO A LONG DURATION OF 20
FOOT WIND ABOVE 10 MPH AND LOW AFTERNOON HUMIDITY 30 PERCENT OR LOWER...

...FIRE WEATHER WATCH IN EFFECT SATURDAY AFTERNOON FOR SOUTHWEST
ALABAMA DUE TO 20 FOOT WIND ABOVE 10 MPH AND LOW AFTERNOON HUMIDITY
30 PERCENT OR LOWER...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM CDT
THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS
FIRE WEATHER WATCH IS IN EFFECT SATURDAY AFTERNOON.

* WIND...NORTH 10 TO 15 MPH AND GUSTY

* HUMIDITY...25 TO 30 PERCENT

* DISPERSION...ABOVE 75

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
  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 LOW
RELATIVE HUMIDITY...BREEZY CONDITIONS...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.

&&

$$

FLZ001>006-010345-
/O.COR.KMOB.FW.W.0043.110930T1800Z-110930T2300Z/
/O.COR.KMOB.FW.A.0037.111001T1700Z-111001T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
630 AM CDT FRI SEP 30 2011

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM
CDT THIS EVENING FOR THE WESTERN FLORIDA PANHANDLE DUE TO LOW
AFTERNOON HUMIDITY BELOW 35 PERCENT AND DISPERSIONS 75 AND HIGHER...

...FIRE WEATHER WATCH IN EFFECT SATURDAY AFTERNOON THE WESTERN
FLORIDA PANHANDLE DUE TO LOW AFTERNOON HUMIDITY BELOW 35 PERCENT AND
DISPERSIONS 75 AND HIGHER...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM CDT
THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS
FIRE WEATHER WATCH IS IN EFFECT SATURDAY AFTERNOON.

* WIND...NORTH 10 TO 15 MPH AND GUSTY

* HUMIDITY...30 TO 35 PERCENT

* DISPERSION...ABOVE 75

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
  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 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.

&&

$$
577 
WWUS84 KMOB 301215
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
715 AM CDT FRI SEP 30 2011

...RED FLAG WARNING IS NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO
6 PM CDT THIS EVENING FOR THE WESTERN FLORIDA PANHANDLE DUE TO
CRITICALLY LOW HUMIDITY AND HIGH DISPERSION...

...FIRE WEATHER WATCH IS NOW IN EFFECT FROM 1 PM TO 6 PM CDT
SATURDAY FOR FOR THE WESTERN FLORIDA PANHANDLE DUE TO CRITICALLY LOW
HUMIDITY AND HIGH DISPERSION...

.A COLD FRONT WILL MOVE THROUGH THE AREA THIS MORNING. VERY DRY
AIR AND STRONG NORTH WINDS WILL ELEVATE THE RISK OF WILDFIRES FOR
THE NEXT COUPLE OF DAYS.

ALZ051>064-301315-
/O.CAN.KMOB.FW.W.0043.110930T1800Z-110930T2300Z/
/O.CAN.KMOB.FW.A.0037.111001T1700Z-111001T2300Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-
715 AM CDT FRI SEP 30 2011

...RED FLAG WARNING IS CANCELLED FOR SOUTHWEST ALABAMA TODAY...

...FIRE WEATHER WATCH IS CANCELLED FOR SOUTHWEST ALABAMA SATURDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE RED FLAG
WARNING. THE FIRE WEATHER WATCH HAS BEEN CANCELLED. 

FORECAST KBDI DOES NOT MEET CRITERIA FOR ALABAMA.

$$

FLZ001>006-010415-
/O.CON.KMOB.FW.W.0043.110930T1800Z-110930T2300Z/
/O.CON.KMOB.FW.A.0037.111001T1700Z-111001T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
715 AM CDT FRI SEP 30 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
6 PM CDT THIS EVENING FOR THE WESTERN FLORIDA PANHANDLE DUE TO LOW 
AFTERNOON HUMIDITY BELOW 35 PERCENT AND DISPERSION 75 AND HIGHER...

...FIRE WEATHER WATCH REMAINS IN EFFECT SATURDAY AFTERNOON FOR THE
WESTERN FLORIDA PANHANDLE DUE TO LOW AFTERNOON HUMIDITY BELOW 35
PERCENT AND DISPERSION 75 AND HIGHER...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM CDT
THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS
FIRE WEATHER WATCH IS IN EFFECT SATURDAY AFTERNOON.

* WIND...NORTH 10 TO 15 MPH AND GUSTY

* HUMIDITY...30 TO 35 PERCENT

* DISPERSION...ABOVE 75

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  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 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.

&&

$$
163 
WWUS84 KMOB 301755
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
1255 PM CDT FRI SEP 30 2011

...THE RED FLAG WARNING FOR THIS AFTERNOON FOR THE WEST FLORIDA
PANHANDLE HAS BEEN CANCELLED...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM 1 PM TO 6 PM CDT
SATURDAY FOR THE WESTERN FLORIDA PANHANDLE DUE TO LOW HUMIDITY AND
HIGH DISPERSION...

.A COLD FRONT HAS BROUGHT DRIER AND COOLER AIR ALONG WITH GUSTY
NORTHERLY WINDS TO THE ENTIRE AREA. LOWEST HUMIDITY ON SATURDAY BETWEEN
25 AND 30 PERCENT ALONG WITH OCCASIONALLY GUSTY NORTHERLY WINDS.


FLZ001>006-011130-
/O.CAN.KMOB.FW.W.0043.110930T1800Z-110930T2300Z/
/O.CON.KMOB.FW.A.0037.111001T1700Z-111001T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
1255 PM CDT FRI SEP 30 2011

...FIRE WEATHER WATCH REMAINS IN EFFECT SATURDAY AFTERNOON FOR LOW HUMIDITY AND 
HIGH DISPERSION FOR THE WESTERN FLORIDA PANHANDLE...

...RED FLAG WARNING IS CANCELLED FOR TODAY FOR THE WESTERN FLORIDA
PANHANDLE ...


* WIND...NORTH 10 TO 15 MPH AND GUSTY

* HUMIDITY...25 TO 3O PERCENT

* DISPERSION...ABOVE 75

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED
FLAG WARNINGS.

&&

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 30, 6:18 AM CDTFire Weather WatchMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more23 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.