Alert archive / Alabama / Red Flag Warnings in 2011

Red Flag Warning 9, NWS Mobile, AL

January 21, 201110 counties in Alabama

NWS Mobile, AL issued this red flag warning at Jan 21, 2011, 2:05 PM CST for 10 counties in Alabama. It took effect at Jan 22, 2011, 10:00 AM CST. 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
Jan 21, 2011, 2:05 PM CST (20:05 UTC)
In effect from
Jan 22, 2011, 10:00 AM CST
Expired
Jan 22, 2011, 5:00 PM CST
In force
7 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, Washington County, AL, Wilcox County, AL

The radar

The Mobile radar (KMOB), 138 km from the middle of the area, began a volume at 20:05 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, 8.1 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 12:00Z on 2011-01-21Temperature 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 12:00Z on 2011-01-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -263 square meters per square second.1939587897117Sfc1 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
1253 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
-263 m²/s²
0-3 km storm-relative helicity
48 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.

633 
WWUS84 KMOB 212005
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
205 PM CST FRI JAN 21 2011

...RED FLAG WARNING IN EFFECT UNTIL 5 PM CST THIS AFTERNOON FOR THE
WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION OF LOW RELATIVE
HUMIDITY...

...RED FLAG WARNING IN EFFECT FROM NOON TO 5 PM CST SATURDAY FOR
SOUTHWEST AND SOUTH CENTRAL ALABAMA DUE TO A LONG DURATION OF LOW
RELATIVE HUMIDITY...

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 6 PM CST SATURDAY FOR THE
WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION OF LOW RELATIVE HUMIDITY...

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON FOR THE WESTERN FLORIDA PANHANDLE DUE TO THE POTENTIAL OF A
LONG DURATION OF LOW RELATIVE HUMIDITY...

.A COOL AND DRY AIRMASS WILL REMAIN OVER THE REGION
THROUGH THE WEEKEND. AS A RESULT...RELATIVE HUMIDITIES WILL APPROACH
CRITICAL VALUES ACROSS ALABAMA AND THE FLORIDA PANHANDLE ON SATURDAY AND
ACROSS THE FLORIDA PANHANDLE ON SUNDAY.

ALZ051-212115-
/O.CAN.KMOB.FW.A.0009.110122T1800Z-110122T2300Z/
CHOCTAW-
205 PM CST FRI JAN 21 2011

...FIRE WEATHER WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE FIRE
WEATHER WATCH. 



$$

FLZ001>006-221215-
/O.UPG.KMOB.FW.A.0009.110122T1600Z-110123T0000Z/
/O.NEW.KMOB.FW.W.0009.110122T1600Z-110123T0000Z/
/O.NEW.KMOB.FW.A.0010.110123T1700Z-110124T0000Z/
/O.CON.KMOB.FW.W.0008.000000T0000Z-110121T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
205 PM CST FRI JAN 21 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON...
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 6 PM CST SATURDAY...
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM TO 6 PM CST SATURDAY. A
FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH
IS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON. A RED
FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON.

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
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.

&&

$$

ALZ052>064-221215-
/O.UPG.KMOB.FW.A.0009.110122T1800Z-110122T2300Z/
/O.NEW.KMOB.FW.W.0009.110122T1800Z-110122T2300Z/
WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-ESCAMBIA-
COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-LOWER BALDWIN-
205 PM CST FRI JAN 21 2011

...RED FLAG WARNING IN EFFECT FROM NOON TO 5 PM CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 5 PM CST SATURDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

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
RAPID FIRE GROWTH POTENTIAL.

&&

$$
2 follow-up statements
346 
WWUS84 KMOB 221237
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
637 AM CST SAT JAN 22 2011

...RED FLAG WARNING IN EFFECT FROM NOON TO 5 PM CST TODAY FOR
SOUTHWEST AND SOUTH CENTRAL ALABAMA DUE TO A LONG DURATION OF
LOW RELATIVE HUMIDITY...

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 5 PM CST TODAY FOR
THE WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION OF LOW
RELATIVE HUMIDITY...

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON FOR THE WESTERN FLORIDA PANHANDLE DUE TO THE POTENTIAL
OF A LONG DURATION OF LOW RELATIVE HUMIDITY...


.A COOL AND DRY AIRMASS WILL REMAIN OVER THE REGION THROUGH THE
WEEKEND. AS A RESULT...RELATIVE HUMIDITIES WILL APPROACH CRITICAL
VALUES ACROSS ALABAMA AND THE FLORIDA PANHANDLE TODAY AND ACROSS THE
FLORIDA PANHANDLE ON SUNDAY. DISPERSION WILL BE HIGH TODAY.


ALZ051-222300-
/O.EXA.KMOB.FW.W.0009.110122T1800Z-110122T2300Z/
CHOCTAW-
637 AM CST SAT JAN 22 2011

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 5 PM CST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 5 PM CST THIS
AFTERNOON. 

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 RAPID FIRE GROWTH POTENTIAL.

&&

$$

FLZ001>006-230445-
/O.EXT.KMOB.FW.W.0009.110122T1600Z-110122T2300Z/
/O.EXT.KMOB.FW.A.0010.110123T1600Z-110123T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
637 AM CST SAT JAN 22 2011

...RED FLAG WARNING NOW IN EFFECT FROM 10 AM THIS MORNING TO 5 PM
CST THIS AFTERNOON...
...FIRE WEATHER WATCH NOW IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY AFTERNOON...

THE RED FLAG WARNING IS NOW IN EFFECT FROM 10 AM THIS MORNING TO
5 PM CST THIS AFTERNOON. THE FIRE WEATHER WATCH IS NOW IN EFFECT
FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON. 

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 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.

&&

$$

ALZ052>064-222300-
/O.CON.KMOB.FW.W.0009.110122T1800Z-110122T2300Z/
WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-ESCAMBIA-
COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-LOWER BALDWIN-
637 AM CST SAT JAN 22 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 5 PM CST
THIS AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 5 PM CST
THIS AFTERNOON. 

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 RAPID FIRE GROWTH POTENTIAL.

&&

$$
228 
WWUS84 KMOB 222021
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
221 PM CST SAT JAN 22 2011

...A RED FLAG WARNING IS IN EFFECT UNTIL 5 PM CST TODAY FOR SOUTHWEST
AND SOUTH CENTRAL ALABAMA DUE TO A LONG DURATION OF LOW RELATIVE
HUMIDITY...

...A RED FLAG WARNING IS IN EFFECT UNTIL 5 PM CST TODAY FOR THE
WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION OF LOW RELATIVE
HUMIDITY...

...A FIRE WEATHER WATCH IN EFFECT FROM LATE SUNDAY MORNING THROUGH
SUNDAY AFTERNOON FOR THE WESTERN FLORIDA PANHANDLE DUE TO THE RISK OF
A LONG DURATION OF LOW RELATIVE HUMIDITY...

.COOL DRY AIR WILL REMAIN OVER THE REGION THROUGH THE WEEKEND.
RELATIVE HUMIDITY WILL EXCEED CRITERIA OVER ALABAMA AND THE FLORIDA
PANHANDLE TODAY...AND WILL LIKELY DO SO OVER THE FLORIDA PANHANDLE ON
SUNDAY. DISPERSION WILL BE HIGH THE REST OF TODAY AND MUCH OF SUNDAY.

FLZ001>006-231230-
/O.CON.KMOB.FW.W.0009.000000T0000Z-110122T2300Z/
/O.CON.KMOB.FW.A.0010.110123T1600Z-110123T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
221 PM CST SAT JAN 22 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY
MORNING THROUGH SUNDAY AFTERNOON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE
HUMIDITY AND MODERATE TO HIGH DISPERSION WILL BRING A RISK OF RAPID
FIRE GROWTH.

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

&&

$$

ALZ051>064-222300-
/O.CON.KMOB.FW.W.0009.000000T0000Z-110122T2300Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-
221 PM CST SAT JAN 22 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE
HUMIDITY AND MODERATE TO HIGH DISPERSION WILL BRING A RISK OF RAPID
FIRE GROWTH.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 6:35 AM CSTRed Flag WarningMOB10 hr
Jan 21, 2:05 PM CSTFire Weather WatchMOB40 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.