Alert archive / Alabama / Red Flag Warnings in 2012

Red Flag Warning 6, NWS Mobile, AL

January 15, 20125 counties in Alabama

NWS Mobile, AL issued this red flag warning at Jan 15, 2012, 4:53 PM CST for 5 counties in Alabama. It was in force for 2 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 15, 2012, 4:53 PM CST (22:53 UTC)
Expired
Jan 15, 2012, 7:00 PM CST
In force
2 hr
Issued by
NWS Mobile, AL

Counties Butler County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 10.9 hours before the alert went out and 192 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 2012-01-15Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2012-01-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -72 square meters per square second.1939587897Sfc1 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
1419 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
-72 m²/s²
0-3 km storm-relative helicity
-31 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.

687 
WWUS84 KMOB 152253
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
453 PM CST SUN JAN 15 2012

...RED FLAG WARNING NOW IN EFFECT UNTIL 7 PM CST THIS EVENING FOR
SOUTH CENTRAL ALABAMA FOR A MARGINALLY LONG DURATION OF VERY LOW
HUMIDITY LESS THAN 25 PERCENT...

.HIGH PRESSURE SITUATED ACROSS THE SOUTHEAST STATES IS MAINTAINING A
VERY DRY AIRMASS ACROSS THE REGION. AFTERNOON RELATIVE HUMIDITY
VALUES HAVE DROPPED BELOW 25 PERCENT ACROSS SOUTH CENTRAL ALABAMA
EARLIER THIS AFTERNOON...AND ARE EXPECTED TO REMAIN BELOW 25 PERCENT
THROUGH EARLY EVENING.

ALZ056>060-160100-
/O.NEW.KMOB.FW.W.0006.120115T2253Z-120116T0100Z/
CONECUH-BUTLER-CRENSHAW-ESCAMBIA-COVINGTON-
453 PM CST SUN JAN 15 2012

...RED FLAG WARNING IN EFFECT UNTIL 7 PM CST THIS EVENING FOR SOUTH
CENTRAL 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 UNTIL 7 PM CST THIS EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONES 056...057...058...059 AND 
  060. 

* WINDS...LIGHT AND VARIABLE.

* HUMIDITY...TO REMAIN BELOW 25 PERCENT THROUGH EARLY EVENING.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT DANGEROUS FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR LIKELY WILL OCCUR. A COMBINATION OF LOW
RELATIVE HUMIDITY AND WARM TEMPERATURES WILL CREATE EXPLOSIVE 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.