Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 76, NWS Mobile, AL

November 8, 2007Walton County, Florida

NWS Mobile, AL issued this red flag warning at Nov 8, 2007, 1:24 PM CST for Walton County, Florida. It took effect at Nov 9, 2007, 5:13 AM CST. It was in force for 12 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 8, 2007, 1:24 PM CST (19:24 UTC)
In effect from
Nov 9, 2007, 5:13 AM CST
Expired
Nov 9, 2007, 5:00 PM CST
In force
12 hr
Issued by
NWS Mobile, AL

County Walton County, FL

The radar

The Eglin Afb radar (KEVX), 25 km from the middle of the area, began a volume at 19:28 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.4 hours before the alert went out and 181 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, Tallahassee Rgnl, FL at 12:00Z on 2007-11-08Temperature 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, Tallahassee Rgnl, FL at 12:00Z on 2007-11-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
2407 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
94 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 081924
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
124 PM CST THU NOV 8 2007

...RED FLAG WARNING IN EFFECT UNTIL 4 PM CST THIS AFTERNOON FOR THE
WEST FLORIDA PANHANDLE SOUTH AND SOUTHWEST ALABAMA FOR LONG DURATIONS
OF LOW RELATIVE HUMIDITY...

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 5 PM CST FRIDAY FOR THE
INLAND SECTIONS OF THE WEST FLORIDA PANHANDLE FOR LONG DURATIONS OF
LOW RELATIVE HUMIDITY...
 
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY LATE MORNING THROUGH THE
AFTERNOON FOR THE INLAND SECTIONS OF THE WEST FLORIDA PANHANDLE FOR
THE POSSIBILITY OF LONG DURATIONS OF LOW RELATIVE HUMIDITY...

.SURFACE HUMIDITY IS BELOW 30 PERCENT OVER MOST OF THE AREAS THIS
AFTERNOON WITH RECOVERY EXPECTED THIS EVENING. SURFACE HIGH PRESSURE
WILL SLOWLY SHIFT TO THE EAST BUT THE AREA WILL REMAIN UNDER ITS
INFLUENCE THROUGH THE WEEKEND. THE MOVE TO THE EAST WILL BEGIN TO
BRING A LITTLE MORE LOW LEVEL MOISTURE INTO THE AREA BY THE WEEKEND
AFTER ANOTHER DRY AFTERNOON ON FRIDAY. HUMIDITY WILL BE UP A BIT OVER
SOUTHEAST MISSISSIPPI WHERE SOME CLOUDINESS WILL EDGE INTO THE AREA
BY SATURDAY.

FLZ001-003-005-091200-
/O.UPG.KMOB.FW.A.0065.071109T1700Z-071109T2300Z/
/O.NEW.KMOB.FW.W.0076.071109T1700Z-071109T2300Z/
/O.CON.KMOB.FW.W.0075.000000T0000Z-071108T2200Z/
INLAND ESCAMBIA-INLAND SANTA ROSA-INLAND OKALOOSA-
124 PM CST THU NOV 8 2007

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM TO 5 PM CST FRIDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. A RED FLAG WARNING
REMAINS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON. 

A VERY DRY AIRMASS REMAINS OVER THE AREA...WITH THIS AFTERNOONS
HUMIDITY BETWEEN 20 AND 30 PERCENT. THE INLAND SECTIONS OF THE
PANHANDLE WILL SEE LOW HUMIDITY AGAIN FRIDAY AFTERNOON. 

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE
HUMIDITY...AND WARM TEMPERATURES WILL CREATE RAPID FIRE GROWTH
POTENTIAL.|

$$

FLZ002-004-006-008-091200-
/O.NEW.KMOB.FW.A.0066.071109T1700Z-071109T2300Z/
/O.CON.KMOB.FW.W.0075.000000T0000Z-071108T2200Z/
COASTAL ESCAMBIA-COASTAL SANTA ROSA-COASTAL OKALOOSA-
COASTAL WALTON-
124 PM CST THU NOV 8 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 4 PM CST
THIS AFTERNOON. 

A VERY DRY AIRMASS REMAINS OVER THE AREA...WITH THIS AFTERNOONS
HUMIDITY BETWEEN 20 AND 30 PERCENT. THERE IS A POSSIBILITY THAT THE
COASTAL SECTIONS WILL SEE LOW HUMIDITY AGAIN FRIDAY BUT AN EARLY
AFTERNOON ONSHORE WIND IS EXPECTED TO PREVENT A LONG DURATION OVER
THE COASTAL SECTIONS.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. 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>064-082200-
/O.CON.KMOB.FW.W.0075.000000T0000Z-071108T2200Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-
124 PM CST THU NOV 8 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON. 

A VERY DRY AIRMASS REMAINS OVER THE AREA...WITH THIS AFTERNOONS
HUMIDITY BETWEEN 20 AND 30 PERCENT. FRIDAY AFTERNOON HUMIDITY IS
EXPECTED TO REMAIN ABOVE 25 PERCENT.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW
RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE
FIRE GROWTH POTENTIAL.

$$
1 follow-up statement
000 
WWUS84 KMOB 091113
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
513 AM CST FRI NOV 9 2007

...RED FLAG WARNING IN NOW IN EFFECT FROM 11 AM TO 5 PM CST TODAY FOR
BOTH INLAND AND COASTAL SECTIONS SECTIONS OF THE WESTERN FLORIDA
PANHANDLE FOR LONG DURATIONS OF RELATIVE HUMIDITY VALUES BELOW 35
PERCENT...

.SURFACE RELATIVE HUMIDITY VALUES ARE EXPECTED TO DROP INTO THE 30 TO
35 PERCENT RANGE FOR AT LEAST 4 OR 5 HOURS THIS AFTERNOON...
ESPECIALLY OVER INTERIOR PORTIONS OF THE WESTERN FLORIDA PANHANDLE.
SURFACE HIGH PRESSURE WILL SLOWLY SHIFT TO THE EAST BUT THE AREA WILL
REMAIN UNDER ITS INFLUENCE THROUGH THE WEEKEND. THE MOVE TO THE EAST
WILL BEGIN TO BRING A LITTLE MORE LOW LEVEL MOISTURE INTO THE AREA BY
THE WEEKEND AFTER ANOTHER DRY AFTERNOON TODAY.

FLZ002-004-006-008-092300-
/O.UPG.KMOB.FW.A.0066.071109T1700Z-071109T2300Z/
/O.EXA.KMOB.FW.W.0076.071109T1700Z-071109T2300Z/
COASTAL ESCAMBIA-COASTAL SANTA ROSA-COASTAL OKALOOSA-
COASTAL WALTON-
513 AM CST FRI NOV 9 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 NOW 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 REMAINS OVER THE AREA...WITH RELATIVE HUMIDITY
VALUES ARE EXPECTED TO DROP INTO THE 30 TO 35 PERCENT RANGE FOR AT
LEAST 4 OR 5 HOURS THIS AFTERNOON.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER
CONDITIONS ARE EXPECTED TO OCCUR. A COMBINATION OF LOW RELATIVE
HUMIDITY AND WARMER TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH
POTENTIAL.

$$

FLZ001-003-005-092300-
/O.CON.KMOB.FW.W.0076.071109T1700Z-071109T2300Z/
INLAND ESCAMBIA-INLAND SANTA ROSA-INLAND OKALOOSA-
513 AM CST FRI NOV 9 2007

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

A VERY DRY AIRMASS REMAINS OVER THE AREA...WITH THIS AFTERNOONS
MINIMUM RELATIVE HUMIDITY VALUES EXPECTED TO BE AROUND 30 PERCENT FOR
A LEAST 4 OR 5 HOURS THIS AFTERNOON.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EXPECTED TO OCCUR. A COMBINATION OF LOW RELATIVE HUMIDITY AND WARMER
TEMPERATURES WILL CREATE RAPID FIRE GROWTH POTENTIAL.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 8, 5:32 AM CSTFire Weather WatchMOB8 hr
Nov 8, 1:24 PM CSTFire Weather WatchMOBWalton16 hr

Nearby

Red 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.