Alert archive / Alabama / Red Flag Warnings in 2012

Red Flag Warning 4, NWS Mobile, AL

January 13, 201210 counties in Alabama

NWS Mobile, AL issued this red flag warning at Jan 13, 2012, 6:00 AM CST for 10 counties in Alabama. It took effect at Jan 13, 2012, 12:00 PM CST. 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
Jan 13, 2012, 6:00 AM CST (12:00 UTC)
In effect from
Jan 13, 2012, 12:00 PM CST
Expired
Jan 13, 2012, 5:00 PM CST
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, Washington County, AL, Wilcox County, AL

The radar

The Mobile radar (KMOB), 138 km from the middle of the area, began a volume at 12:06 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, 0.0 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 2012-01-13Temperature 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 2012-01-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -98 square meters per square second.1939587897117136Sfc1 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
1108 m above ground
0-6 km bulk shear
96 kt
0-1 km storm-relative helicity
-98 m²/s²
0-3 km storm-relative helicity
111 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.

850 
WWUS84 KMOB 131200
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
600 AM CST FRI JAN 13 2012

...RED FLAG WARNING NOW IN EFFECT FOR THIS AFTERNOON FOR
SOUTHWEST ALABAMA FOR A MARGINALLY LONG DURATION OF VERY LOW
HUMIDITY LESS THAN 25 PERCENT...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM LATE SATURDAY MORNING
THROUGH SATURDAY AFTERNOON FOR SOUTHWEST ALABAMA FOR A MARGINALLY
LONG DURATION OF VERY LOW HUMIDITY LESS THAN 25 PERCENT...

.STRONG SURFACE HIGH PRESSURE MOVES EASTWARD ACROSS THE NORTHERN
GULF COAST TODAY AND SATURDAY IN THE WAKE OF A STRONG COLD FRONT.
THIS WILL BRING A MUCH DRIER AND COLDER AIRMASS TO THE REGION.

ALZ051>064-141200-
/O.UPG.KMOB.FW.A.0002.120113T1800Z-120113T2200Z/
/O.NEW.KMOB.FW.W.0004.120113T1800Z-120113T2300Z/
/O.EXT.KMOB.FW.A.0003.120114T1700Z-120114T2300Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-
600 AM CST FRI JAN 13 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 5 PM CST THIS
AFTERNOON FOR SOUTHWEST ALABAMA FOR A MARGINALLY LONG DURATION OF 
VERY LOW HUMIDITY LESS THAN 25 PERCENT...

...FIRE WEATHER WATCH NOW IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON FOR SOUTHWEST ALABAMA FOR A MARGINALLY LONG 
DURATION OF VERY LOW HUMIDITY LESS THAN 25 PERCENT...

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. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED FROM SATURDAY
MORNING THROUGH SATURDAY AFTERNOON.

* HUMIDITY...18 TO 23 PERCENT BOTH TODAY AND SATURDAY.

* 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.

&&

$$
1 follow-up statement
502 
WWUS84 KMOB 131946
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
146 PM CST FRI JAN 13 2012

...RED FLAG WARNING NOW IN EFFECT FOR THIS AFTERNOON FOR
SOUTHWEST ALABAMA FOR A MARGINALLY LONG DURATION OF VERY LOW
HUMIDITY LESS THAN 25 PERCENT...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM LATE SATURDAY
MORNING THROUGH SATURDAY AFTERNOON FOR SOUTHWEST ALABAMA FOR A
MARGINALLY LONG DURATION OF VERY LOW HUMIDITY LESS THAN
25 PERCENT...

...A FIRE WEATHER WATCH IS IN EFFECT FOR SATURDAY AFTERNOON FOR THE
WESTERN FLORIDA PANHANDLE DUE TO VERY HIGH DISPERSIONS AND RELATIVE
HUMIDITY DROPPING BELOW 35 PERCENT...

.STRONG SURFACE HIGH PRESSURE MOVES EASTWARD ACROSS THE NORTHERN
GULF COAST TODAY AND SATURDAY IN THE WAKE OF A STRONG COLD FRONT.
THIS WILL BRING A MUCH DRIER AND COLDER AIRMASS TO THE REGION.

ALZ051>064-141230-
/O.CON.KMOB.FW.W.0004.000000T0000Z-120113T2300Z/
/O.CON.KMOB.FW.A.0003.120114T1700Z-120114T2300Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-
146 PM CST FRI JAN 13 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON FOR SOUTHWEST ALABAMA FOR A MARGINALLY LONG DURATION OF
VERY LOW HUMIDITY LESS THAN 25 PERCENT...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY AFTERNOON FOR SOUTHWEST ALABAMA FOR A MARGINALLY
LONG DURATION OF VERY LOW HUMIDITY LESS THAN 25 PERCENT...

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. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED FROM
SATURDAY MORNING THROUGH SATURDAY AFTERNOON.

* HUMIDITY...18 TO 23 PERCENT BOTH TODAY AND SATURDAY.

* 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>006-141230-
/O.EXA.KMOB.FW.A.0003.120114T1700Z-120114T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
146 PM CST FRI JAN 13 2012

...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON FOR SOUTHWEST ALABAMA FOR A MARGINALLY LONG
DURATION OF VERY LOW HUMIDITY LESS THAN 25 PERCENT...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY
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. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED FROM
SATURDAY MORNING THROUGH SATURDAY AFTERNOON.

* HUMIDITY...18 TO 23 PERCENT BOTH TODAY AND SATURDAY.

* DISPERSIONS...RISING TO ABOVE 75 BY NOONTIME SATURDAY.

* 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.

&&

$$

Nearby

Red Flag Warnings in Alabama, 2012Every red flag warning in 2012

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.