Alert archive / Alabama / Red Flag Warnings in 2008

Red Flag Warning 90, NWS Mobile, AL

December 30, 20085 counties in Alabama

NWS Mobile, AL issued this red flag warning at Dec 30, 2008, 6:30 AM CST for 5 counties in Alabama. It took effect at Dec 30, 2008, 10:00 AM CST. It was in force for 8 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
Dec 30, 2008, 6:30 AM CST (12:30 UTC)
In effect from
Dec 30, 2008, 10:00 AM CST
Expired
Dec 30, 2008, 6:00 PM CST
In force
8 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, 0.5 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 2008-12-30Temperature 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 12:00Z on 2008-12-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.19395878Sfc1 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
2717 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
125 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.

000 
WWUS84 KMOB 301230
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
630 AM CST TUE DEC 30 2008

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 5 PM CST THIS
AFTERNOON FOR SOUTH CENTRAL ALABAMA DUE TO A MARGINAL DURATION
OF RELATIVE HUMIDITIES BELOW 25 PERCENT...

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST
THIS AFTERNOON FOR THE NORTHWEST FLORIDA PANHANDLE DUE TO A LONG
DURATION OF RELATIVE HUMIDITIES BELOW 35 PERCENT...

...FIRE WEATHER WATCH IN EFFECT WEDNESDAY AFTERNOON FOR SANTA 
ROSA AND OKALOOSA COUNTIES IN NORTHWEST FLORIDA DUE TO A
MARGINAL DURATION OF RELATIVE HUMIDITIES BELOW 35 PERCENT...

.A DRY AIRMASS OVER THE REGION WILL RESULT IN RELATIVE HUMIDITIES
DROPPING BELOW CRITICAL LEVELS OVER THE NORTHWEST FLORIDA PANHANDLE
FOR A LONG DURATION AND DROPPING BELOW CRITICAL LEVELS FOR A MARGINAL
DURATION OVER SOUTH CENTRAL ALABAMA. A LIGHT SOUTHERLY FLOW DEVELOPS
ON WEDNESDAY WHICH WILL BEGIN TO RETURN MOISTURE TO THE REGION BUT
RELATIVE HUMIDITIES WILL DROP BELOW CRITICAL LEVELS FOR A MARGINAL
DURATION OVER A PORTION OF THE NORTHWEST FLORIDA PANHANDLE. RELATIVE
HUMIDITIES WILL REMAIN ABOVE CRITICAL LEVELS ON THURSDAY.

FLZ003>006-310430-
/O.UPG.KMOB.FW.A.0077.081230T1700Z-081230T2300Z/
/O.NEW.KMOB.FW.W.0090.081230T1600Z-081231T0000Z/
/O.NEW.KMOB.FW.A.0078.081231T1800Z-081231T2300Z/
INLAND SANTA ROSA-COASTAL SANTA ROSA-INLAND OKALOOSA-
COASTAL OKALOOSA-
630 AM CST TUE DEC 30 2008

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST
THIS AFTERNOON...
...FIRE WEATHER WATCH IN EFFECT WEDNESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST
THIS AFTERNOON. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS
FIRE WEATHER WATCH IS IN EFFECT WEDNESDAY AFTERNOON. THE FIRE
WEATHER WATCH IS NO LONGER IN EFFECT. 

RELATIVE HUMIDITIES WILL DROP BELOW CRITICAL LEVELS LATER THIS
MORNING THEN RETURN ABOVE CRITICAL LEVELS BY LATE THIS AFTERNOON.
RELATIVE HUMIDITIES WILL ALSO DROP BELOW CRITICAL LEVELS NEAR NOON ON
WEDNESDAY THEN RETURN ABOVE CRITICAL LEVELS BY 5 PM WEDNESDAY.

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 EXPLOSIVE 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.

$$

FLZ001-310000-
/O.UPG.KMOB.FW.A.0077.081230T1700Z-081230T2300Z/
/O.NEW.KMOB.FW.W.0090.081230T1600Z-081231T0000Z/
INLAND ESCAMBIA-
630 AM CST TUE DEC 30 2008

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST
THIS AFTERNOON.

RELATIVE HUMIDITIES WILL DROP BELOW CRITICAL LEVELS LATER THIS
MORNING THEN RETURN ABOVE CRITICAL LEVELS BY LATE THIS AFTERNOON.

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 EXPLOSIVE FIRE GROWTH POTENTIAL.

$$

FLZ002-310000-
/O.NEW.KMOB.FW.W.0090.081230T1600Z-081231T0000Z/
COASTAL ESCAMBIA-
630 AM CST TUE DEC 30 2008

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST
THIS AFTERNOON. 

RELATIVE HUMIDITIES WILL DROP BELOW CRITICAL LEVELS LATER THIS
MORNING THEN RETURN ABOVE CRITICAL LEVELS BY LATE THIS AFTERNOON.

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 EXPLOSIVE FIRE GROWTH POTENTIAL.

$$

ALZ056>060-302300-
/O.NEW.KMOB.FW.W.0090.081230T1800Z-081230T2300Z/
CONECUH-BUTLER-CRENSHAW-ESCAMBIA-COVINGTON-
630 AM CST TUE DEC 30 2008

...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. 

RELATIVE HUMIDITIES WILL ALSO DROP BELOW CRITICAL LEVELS NEAR NOON
THEN RETURN ABOVE CRITICAL LEVELS BY 5 PM.

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 EXPLOSIVE FIRE GROWTH POTENTIAL.

$$
1 follow-up statement
000 
WWUS84 KMOB 301949
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
149 PM CST TUE DEC 30 2008

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON
FOR SOUTH CENTRAL ALABAMA DUE TO A MARGINAL DURATION OF RELATIVE
HUMIDITIES BELOW 25 PERCENT...

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON FOR
THE NORTHWEST FLORIDA PANHANDLE DUE TO A LONG DURATION OF RELATIVE
HUMIDITIES BELOW 35 PERCENT...

...FIRE WEATHER WATCH REMAINS IN EFFECT WEDNESDAY AFTERNOON FOR SANTA
ROSA AND OKALOOSA COUNTIES IN NORTHWEST FLORIDA DUE TO A MARGINAL
DURATION OF RELATIVE HUMIDITIES BELOW 35 PERCENT...

.A DRY AIRMASS OVER THE REGION WILL RESULT IN RELATIVE HUMIDITIES
DROPPING BELOW CRITICAL LEVELS OVER THE NORTHWEST FLORIDA
PANHANDLE FOR A LONG DURATION AND DROPPING BELOW CRITICAL LEVELS
FOR A MARGINAL DURATION OVER SOUTH CENTRAL ALABAMA. A DRIER AIRMASS
WILL MOVE INTO THE AREA IN THE WAKE OF A COLD FRONT ON WEDNESDAY WITH
RELATIVE HUMIDITY LEVELS AGAIN DROPPING NEAR CRITICAL LEVELS ACROSS
THE FLORIDA PANHANDLE

FLZ003>006-311200-
/O.CON.KMOB.FW.W.0090.000000T0000Z-081231T0000Z/
/O.CON.KMOB.FW.A.0078.081231T1800Z-081231T2300Z/
INLAND SANTA ROSA-COASTAL SANTA ROSA-INLAND OKALOOSA-
COASTAL OKALOOSA-
149 PM CST TUE DEC 30 2008

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...FIRE WEATHER WATCH REMAINS IN EFFECT WEDNESDAY AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. A FIRE WEATHER WATCH REMAINS IN EFFECT WEDNESDAY
AFTERNOON. 

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.

$$

ALZ056>060-302300-
/O.CON.KMOB.FW.W.0090.000000T0000Z-081230T2300Z/
CONECUH-BUTLER-CRENSHAW-ESCAMBIA-COVINGTON-
149 PM CST TUE DEC 30 2008

...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. 

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.

$$

FLZ001-002-310000-
/O.CON.KMOB.FW.W.0090.000000T0000Z-081231T0000Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-
149 PM CST TUE DEC 30 2008

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

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.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 30, 6:30 AM CSTFire Weather WatchMOB24 hr

Nearby

Red Flag Warnings in Alabama, 2008Red Flag Warnings in Florida, 2008Every red flag warning in 2008

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.