Alert archive / Alabama / Red Flag Warnings in 2007

Red Flag Warning 74, NWS Mobile, AL

November 6, 2007Walton County, Florida; 10 counties in Alabama

NWS Mobile, AL issued this red flag warning at Nov 6, 2007, 2:22 PM CST for Walton County, Florida; 10 counties in Alabama. It took effect at Nov 7, 2007, 5:43 AM CST. It was in force for 11 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
Nov 6, 2007, 2:22 PM CST (20:22 UTC)
In effect from
Nov 7, 2007, 5:43 AM CST
Expired
Nov 7, 2007, 5:00 PM CST
In force
11 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, Walton County, FL

The radar

The Mobile radar (KMOB), 138 km from the middle of the area, began a volume at 20:20 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, 8.4 hours before the alert went out and 189 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 2007-11-06Temperature 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 2007-11-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -39 square meters per square second.193958Sfc1 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
1462 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-39 m²/s²
0-3 km storm-relative helicity
112 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 062047
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
222 PM CST TUE NOV 6 2007

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 5 PM CST WEDNESDAY FOR 
THE WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION OF LOW RELATIVE 
HUMIDITY BELOW 35 PERCENT...

...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH 
WEDNESDAY AFTERNOON FOR SOUTHWEST AND SOUTH CENTRAL ALABAMA DUE TO 
THE POTENTIAL OF A LONG DURATION OF LOW RELATIVE HUMIDITY BELOW 25 
PERCENT...

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY MORNING THROUGH 
THURSDAY AFTERNOON FOR THE WESTERN FLORIDA PANHANDLE DUE TO THE 
POTENTIAL OF A LONG DURATION OF LOW RELATIVE HUMIDITY BELOW 35 
PERCENT...

.A DRY AIRMASS WILL CONTINUE TO MOVE INTO THE AREA IN THE WAKE OF A 
STRONG COLD FRONT THAT MOVED THROUGH THIS MORNING. AFTERNOON 
RELATIVE HUMIDITY VALUES WILL DROP NEAR CRITICAL VALUES ACROSS 
SOUTHWEST AND SOUTH CENTRAL ALABAMA ON WEDNESDAY AND BELOW CRITICAL 
VALUES ACROSS THE WESTERN FLORIDA PANHANDLE ON WEDNESDAY AND 
POSSIBLY AGAIN ON THURSDAY.

FLZ001>006-008-071230-
/O.UPG.KMOB.FW.A.0062.071107T1400Z-071108T0000Z/
/O.NEW.KMOB.FW.W.0074.071107T1700Z-071107T2300Z/
/O.CON.KMOB.FW.A.0063.071108T1500Z-071109T0000Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
222 PM CST TUE NOV 6 2007

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 5 PM CST WEDNESDAY...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM TO 5 PM CST WEDNESDAY.
THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. A FIRE WEATHER
WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY
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.

$$

ALZ051>064-071230-
/O.CON.KMOB.FW.A.0062.071107T1700Z-071107T2300Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-
222 PM CST TUE NOV 6 2007

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH WEDNESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOBILE CONTINUES A FIRE WEATHER 
WATCH THAT REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH 
WEDNESDAY AFTERNOON. 

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

$$
2 follow-up statements
000 
WWUS84 KMOB 071143
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
541 AM CST WED NOV 7 2007

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 5 PM CST WEDNESDAY
FOR THE WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION OF LOW
RELATIVE HUMIDITY BELOW 35 PERCENT...

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY AFTERNOON FOR THE WESTERN FLORIDA PANHANDLE DUE TO THE
POTENTIAL OF A LONG DURATION OF LOW RELATIVE HUMIDITY BELOW 35
PERCENT...

.A DRY AIRMASS HAS MOVED OVER THE AREA IN THE WAKE OF A STRONG COLD
FRONT THAT MOVED OVER THE AREA TUESDAY. AFTERNOON RELATIVE HUMIDITY
VALUES WILL DROP BELOW CRITICAL VALUES ACROSS SOUTHWEST ALABAMA ON
WEDNESDAY AND BELOW CRITICAL VALUES ACROSS THE WESTERN FLORIDA
PANHANDLE ON WEDNESDAY AND LIKELY AGAIN ON THURSDAY.

ALZ051>064-072000-
/O.UPG.KMOB.FW.A.0062.071107T1700Z-071107T2300Z/
/O.EXA.KMOB.FW.W.0074.071107T1700Z-071107T2300Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-
541 AM CST WED NOV 7 2007

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 5 PM CST
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 5 PM CST
THIS AFTERNOON. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

A VERY DRY AIRMASS HAS MOVED OVER THE AREA...WITH DAYTIME RELATIVE
HUMIDITY VALUES EXPECTED TO FALL INTO THE 20 TO 25 PERCENT RANGE OVER
MOST OF SOUTHWEST ALABAMA. MORE THAN FOUR HOURS OF LESS THAN 25
PERCENT ARE EXPECTED. 

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.

$$

FLZ001>006-008-072000-
/O.CON.KMOB.FW.W.0074.071107T1700Z-071107T2300Z/
/O.CON.KMOB.FW.A.0063.071108T1500Z-071109T0000Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
541 AM CST WED NOV 7 2007

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
5 PM CST THIS AFTERNOON...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
5 PM CST THIS AFTERNOON. A FIRE WEATHER WATCH REMAINS IN EFFECT
FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON. 

A VERY DRY AIRMASS HAS MOVED OVER THE AREA...WITH DAYTIME RELATIVE
HUMIDITY VALUES EXPECTED TO FALL INTO THE 20 TO 25 PERCENT RANGE OVER
THE WESTERN FLORIDA PANHANDLE. MORE THAN FOUR HOURS OF LESS THAN 25
PERCENT ARE EXPECTED.

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.

$$
000 
WWUS84 KMOB 072001
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
201 PM CST WED NOV 7 2007

...A RED FLAG WARNING IN EFFECT UNTIL 5 PM CST THIS AFTERNOON FOR THE
WEST FLORIDA PANHANDLE AND ALL OF SOUTHWEST AND SOUTH CENTRAL ALABAMA
FOR LOW RELATIVE HUMIDITY...

...A RED FLAG WARNING IN EFFECT FROM 11 AM TO 4 PM CST THURSDAY FOR
LOW RELATIVE HUMIDITY OVER THE WEST FLORIDA PANHANDLE...

...A FIRE WEATHER WATCH IN EFFECT THURSDAY AFTERNOON FOR THE
POSSIBILITY OF A LONG DURATION OF LOW RELATIVE HUMIDITY OVER
SOUTHWEST AND SOUTH CENTRAL ALABAMA...

.A COOL AND DRY AIR MASS WILL REMAIN OVER THE AREA THROUGH THURSDAY.
LOWEST AFTERNOON HUMIDITY BETWEEN 20 AND 30 PERCENT ON THURSDAY.
AFTERNOON HUMIDITY WILL BEGIN TO INCREASE BY FRIDAY AND SATURDAY AS
SOME CLOUDINESS RETURNS TO THE AREA BUT CHANCE FOR RAIN WILL BE SLIM
UNTIL THE MIDDLE OF NEXT WEEK.

FLZ001>006-008-081200-
/O.UPG.KMOB.FW.A.0063.071108T1500Z-071109T0000Z/
/O.NEW.KMOB.FW.W.0075.071108T1700Z-071108T2200Z/
/O.CON.KMOB.FW.W.0074.000000T0000Z-071107T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
201 PM CST WED NOV 7 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 4 PM CST THURSDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM TO 4 PM CST THURSDAY. A RED
FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON.

A VERY DRY AIRMASS HAS MOVED OVER THE AREA...THIS AFTERNOONS
HUMIDITY HAS BEEN BETWEEN 20 AND 30 PERCENT WITH NIGHT TIME RECOVERY
EXPECTED TO BE ONLY AROUND 75 PERCENT. THURSDAY AFTERNOON WILL SEE
SIMILAR HUMIDITY VALUES BUT THE SURFACE WIND SHOULD BE LIGHT AND
VARIABLE. 

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.

$$

ALZ051>064-081200-
/O.NEW.KMOB.FW.A.0064.071108T1800Z-071108T2200Z/
/O.CON.KMOB.FW.W.0074.000000T0000Z-071107T2300Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-
201 PM CST WED NOV 7 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON...
...FIRE WEATHER WATCH IN EFFECT THURSDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT THURSDAY AFTERNOON. A RED FLAG WARNING
REMAINS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON. 

A VERY DRY AIRMASS HAS MOVED OVER THE AREA...THIS AFTERNOONS
HUMIDITY HAS BEEN BETWEEN 20 AND 30 PERCENT WITH NIGHT TIME RECOVERY
EXPECTED TO BE ONLY AROUND 75 PERCENT. THURSDAY AFTERNOON WILL SEE
SIMILAR HUMIDITY VALUES BUT THE SURFACE WIND SHOULD BE LIGHT AND
VARIABLE. 

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.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 6, 4:07 AM CSTFreeze WatchMOB25 hr
Nov 6, 6:22 AM CSTFire Weather WatchMOBWalton32 hr

Nearby

Red Flag Warnings in Alabama, 2007Red Flag Warnings in Florida, 2007Every red flag warning in 2007

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.