Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 72, NWS Mobile, AL

November 3, 2007Walton County, Florida

NWS Mobile, AL issued this red flag warning at Nov 3, 2007, 2:31 PM CDT for Walton County, Florida. It took effect at Nov 4, 2007, 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
Nov 3, 2007, 2:31 PM CDT (19:31 UTC)
In effect from
Nov 4, 2007, 12:00 PM CST
Expired
Nov 4, 2007, 5:00 PM CST
In force
5 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 19:37 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, 7.5 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 2007-11-03Temperature 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 2007-11-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
1754 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
46 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 031931
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
231 PM CDT SAT NOV 3 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS
AFTERNOON FOR THE WESTERN FLORIDA PANHANDLE DUE TO CRITICALLY LOW 
RELATIVE HUMIDITY VALUES...
...RED FLAG WARNING IS NOW IN EFFECT FROM 12 PM TO 5 PM CST SUNDAY
FOR THE WESTERN FLORIDA PANHANDLE DUE TO THE LIKELIHOOD OF RELATIVE
HUMIDITY VALUES OF 35 PERCENT OR LOWER FOR MORE THAN FOUR HOURS
SUNDAY AFTERNOON... 

.A DRY AIR MASS WILL REMAIN OVER THE AREA THROUGH THE WEEKEND IN THE
WAKE OF A DISSIPATING COLD FRONT THAT PASSED THROUGH THE REGION
FRIDAY NIGHT. 

FLZ001>006-008-041145-
/O.UPG.KMOB.FW.A.0059.071104T1800Z-071104T2300Z/
/O.NEW.KMOB.FW.W.0072.071104T1800Z-071104T2300Z/
/O.CON.KMOB.FW.W.0071.000000T0000Z-071103T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
231 PM CDT SAT NOV 3 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS
AFTERNOON...
...RED FLAG WARNING IN EFFECT FROM 12 PM TO 5 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 12 PM TO 5 PM CST SUNDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 


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

A DRY AIR MASS WILL REMAIN OVER THE AREA THROUGH THE WEEKEND IN THE
WAKE OF A DISSIPATING COLD FRONT THAT PASSED THROUGH THE REGION
FRIDAY NIGHT. AFTERNOON RELATIVE HUMIDITY HAVE DROPPED TO 30 TO 35
PERCENT THIS AFTERNOON...AND ARE EXPECTED TO DROP INTO THE 28 TO 32
PERCENT RANGE ON SUNDAY 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.

$$
2 follow-up statements
000 
WWUS84 KMOB 041133
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
533 AM CST SUN NOV 4 2007

...RED FLAG WARNING IS IN EFFECT FROM 12 PM TO 5 PM CST TODAY FOR THE
WESTERN FLORIDA PANHANDLE DUE TO THE LIKELIHOOD OF RELATIVE HUMIDITY
VALUES OF 35 PERCENT OR LOWER FOR MORE THAN FOUR HOURS THIS
AFTERNOON...

...A FIRE WEATHER WATCH HAS BEEN ISSUED FOR THE WESTERN FLORIDA
PANHANDLE FOR MONDAY AFTERNOON DUE TO THE POSSIBILITY OF MORE THAN
FOUR HOURS OF RELATIVE HUMIDITY BELOW 35 PERCENT...

.A DRY AIR MASS WILL REMAIN OVER THE AREA THROUGH TODAY...BRINING
AFTERNOON HUMIDITIES DROPPING TO AROUND 30 PERCENT OVER THE WESTERN
FLORIDA PANHANDLE SUNDAY AND MONDAY.

FLZ001>006-008-050345-
/O.NEW.KMOB.FW.A.0060.071105T1800Z-071105T2300Z/
/O.CON.KMOB.FW.W.0072.071104T1800Z-071104T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
533 AM CST SUN NOV 4 2007

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 5 PM CST
THIS AFTERNOON...
...FIRE WEATHER WATCH IN EFFECT MONDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT MONDAY AFTERNOON. A RED FLAG WARNING
REMAINS IN EFFECT FROM NOON TODAY TO 5 PM CST THIS AFTERNOON. 

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

A DRY AIR MASS WILL REMAIN OVER THE AREA THROUGH TODAY...BRINING
AFTERNOON HUMIDITIES DROPPING TO AROUND 30 PERCENT OVER THE WESTERN
FLORIDA PANHANDLE SUNDAY AND MONDAY.

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.

$$
000 
WWUS84 KMOB 042104
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
304 PM CST SUN NOV 4 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST TODAY FOR THE
WESTERN FLORIDA PANHANDLE DUE TO LONGRANGE DURATIONS OF RELATIVE
HUMIDITY VALUES OF 35 PERCENT OR LOWER...

...A FIRE WEATHER WATCH REMAINS IN EFFECT FOR THE WESTERN FLORIDA
PANHANDLE FOR MONDAY AFTERNOON DUE TO THE POSSIBILITY OF MORE THAN
FOUR HOURS OF RELATIVE HUMIDITY BELOW 35 PERCENT...

.A DRY AIRMASS OVER THE AREA WILL ALLOW AFTERNOON RELATIVE HUMIDITY
VALUES TO DROP INTO THE LOWER 30 PERCENT RANGE ONCE AGAIN ON MONDAY
AFTERNOON...BUT DURATIONS AT OR BELOW 35 PERCENT MAY NOT BE AS LONG
ON MONDAY AS THEY WERE ON SUNDAY AFTERNOON. FOR THIS REASON...WE MAINTAINED
THE FIRE WEATHER WATCH AND DID NOT UPGRADE TO A RED FLAG WARNING AT
THIS TIME. A RED FLAG WARNING MAY BE ISSUED FOR THE WESTERN FLORIDA
PANHANDLE WITH THE MONDAY MORNING FORECAST ISSUANCE.

FLZ001>006-008-051315-
/O.CON.KMOB.FW.W.0072.000000T0000Z-071104T2300Z/
/O.CON.KMOB.FW.A.0060.071105T1800Z-071105T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
304 PM CST SUN NOV 4 2007

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

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

A DRY AIRMASS OVER THE AREA WILL ALLOW AFTERNOON RELATIVE HUMIDITY
VALUES TO DROP INTO THE LOWER 30 PERCENT RANGE ONCE AGAIN ON MONDAY
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.

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 3, 5:59 AM CDTRed Flag WarningMOBWalton12 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.