Alert archive / Alabama / Red Flag Warnings in 2012

Red Flag Warning 5, NWS Mobile, AL

January 14, 201210 counties in Alabama

NWS Mobile, AL issued this red flag warning at Jan 14, 2012, 5:37 AM CST for 10 counties in Alabama. It took effect at Jan 14, 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 14, 2012, 5:37 AM CST (11:37 UTC)
In effect from
Jan 14, 2012, 12:00 PM CST
Expired
Jan 14, 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 11:43 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, 11.6 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 2012-01-14Temperature 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 2012-01-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 square meters per square second.1939587897117136156Sfc1 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
1661 m above ground
0-6 km bulk shear
98 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
-24 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.

995 
WWUS84 KMOB 141137
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
537 AM CST SAT JAN 14 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...

.HIGH PRESSURE REMAINS CENTERED OVER THE NORTHERN GULF COAST...
MAINTAINING A VERY DRY AIRMASS ACROSS THE REGION. AFTERNOON RELATIVE
HUMIDITY VALUES ARE FORECAST TO DROP INTO THE UPPER TEEN TO LOWER 20
PERCENT RANGE...WITH VALUES BELOW 25 PERCENT LASTING FOR 4 TO 5
HOURS. 

FLZ001>006-141245-
/O.CAN.KMOB.FW.A.0003.120114T1700Z-120114T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
537 AM CST SAT JAN 14 2012

...FIRE WEATHER WATCH IS CANCELLED FOR THE NORTHWEST FLORIDA 
PANHANDLE...

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

WHILE AFTERNOON HUMIDITY LEVELS WILL DROP INTO THE LOWER 20S...
FORECAST WIND...DISPERION...AND ERC VALUES DO NOT MEET THE
REQUIREMENTS FOR A RED FLAG WARNING. THEREFORE...THE FIRE WEATHER
WATCH HAS BEEN CANCELLED.

$$

ALZ051>064-142300-
/O.UPG.KMOB.FW.A.0003.120114T1700Z-120114T2300Z/
/O.NEW.KMOB.FW.W.0005.120114T1800Z-120114T2300Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-
537 AM CST SAT JAN 14 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...

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. 

* HUMIDITY...19 TO 22 PERCENT THIS AFTERNOON.

* 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.

&&

$$
1 follow-up statement
129 
WWUS84 KMOB 141957
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
157 PM CST SAT JAN 14 2012

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

.HIGH PRESSURE REMAINS CENTERED OVER THE NORTHERN GULF COAST...
MAINTAINING A VERY DRY AIRMASS ACROSS THE REGION. AFTERNOON
RELATIVE HUMIDITY VALUES ARE FORECAST TO DROP INTO THE UPPER TEEN
TO LOWER 20 PERCENT RANGE...WITH VALUES BELOW 25 PERCENT LASTING
FOR 4 TO 5 HOURS.

ALZ051>064-142300-
/O.CON.KMOB.FW.W.0005.000000T0000Z-120114T2300Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-
157 PM CST SAT JAN 14 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...

* HUMIDITY...19 TO 22 PERCENT THIS AFTERNOON.

* 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.

&&

$$

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.