Alert archive / Florida / Red Flag Warnings in 2007

Red Flag Warning 14, NWS Mobile, AL

February 15, 2007Walton County, Florida

NWS Mobile, AL issued this red flag warning at Feb 15, 2007, 2:50 PM CST for Walton County, Florida. It took effect at Feb 16, 2007, 9:00 AM CST. It was in force for 9 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
Feb 15, 2007, 2:50 PM CST (20:50 UTC)
In effect from
Feb 16, 2007, 9:00 AM CST
Expired
Feb 16, 2007, 6:00 PM CST
In force
9 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 20:49 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

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 8.8 hours before the alert went out and 35 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, Eglin AFB/Valpar, FL at 12:00Z on 2007-02-15Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Eglin AFB/Valpar, FL at 12:00Z on 2007-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -77 square meters per square second.1939587897117136156175Sfc1 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
1203 m above ground
0-6 km bulk shear
98 kt
0-1 km storm-relative helicity
-77 m²/s²
0-3 km storm-relative helicity
140 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 152050
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
250 PM CST THU FEB 15 2007

...A RED FLAG WARNING IS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON AND
A RED FLAG WARNING IS IN EFFECT FROM 9 AM TO 6 PM CST FRIDAY AND A
FIRE WEATHER WATCH IS IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON ALL FOR THE NORTHWEST FLORIDA PANHANDLE COUNTIES
OF ESCAMBIA...SANTA ROSA...OKALOOSA AND COASTAL WALTON...

.COLD AND DRY HIGH PRESSURE WILL BUILD FROM THE CENTRAL PLAINS INTO
THE NORTHERN GULF ON FRIDAY. AFTER A COLD START SATURDAY
MORNING...TEMPERATURES WARM TO NEAR SEASONABLE LEVELS THEN A COLD
FRONT WILL MOVE THROUGH THE AREA SATURDAY AFTERNOON AND KEEP
TEMPERATURES BELOW SEASONABLE LEVELS THROUGH THE REMAINDER OF THE
WEEKEND. A RED FLAG WARNING IS IN EFFECT FOR THE NORTHWEST FLORIDA
PANHANDLE DUE TO A VERY LONG DURATION OF LOW RELATIVE HUMIDITY. THE
ATMOSPHERIC MOISTURE INCREASES SOMEWHAT ON SATURDAY...BUT A FIRE
WEATHER WATCH IS NOW IN EFFECT FOR THE NORTHWEST FLORIDA PANHANDLE
DUE TO A MARGINAL DURATION OF LOW RELATIVE HUMIDITY.

FLZ001>006-008-160500-
/O.UPG.KMOB.FW.A.0011.070216T1600Z-070217T0000Z/
/O.NEW.KMOB.FW.W.0014.070216T1500Z-070217T0000Z/
/O.NEW.KMOB.FW.A.0012.070217T1700Z-070217T2300Z/
/O.CON.KMOB.FW.W.0013.000000T0000Z-070216T0000Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
250 PM CST THU FEB 15 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...RED FLAG WARNING IN EFFECT FROM 9 AM TO 6 PM CST FRIDAY...
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...

A RED FLAG WARNING REMAINS IN EFFECT THROUGH 6 PM THIS AFTERNOON. THE
NATIONAL WEATHER SERVICE IN MOBILE HAS UPGRADED THE FIRE WEATHER
WATCH FOR FRIDAY TO A RED FLAG WARNING...WHICH IS IN EFFECT FROM 9
AM TO 6 PM CST FRIDAY. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED
WHICH IS IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY 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.

$$
2 follow-up statements
000 
WWUS84 KMOB 161201
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
601 AM CST FRI FEB 16 2007

...A RED FLAG WARNING IS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON
AND A FIRE WEATHER WATCH IS IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON FOR THE NORTHWEST FLORIDA PANHANDLE COUNTIES OF
ESCAMBIA...SANTA ROSA...OKALOOSA AND COASTAL WALTON...

.COLD AND DRY HIGH PRESSURE CENTERED OVER THE SOUTHERN PLAINS WILL 
MAINTAIN A VERY DRY AIRMASS OVER THE REGION WITH NORTHWEST WINDS 
AT 10 TO 15 MPH THIS MORNING GRADUALLY DIMINISHING THIS AFTERNOON. 
AFTERNOON RELATIVE HUMIDITY VALUES WILL FALL TO AROUND 18 PERCENT. 
THIS COMBINATION OF WIND AND VERY DRY AIR WILL RESULT IN AN
EXPLOSIVE FIRE GROWTH POTENTIAL. IN THESE CONDITIONS...FIRES CAN 
QUICKLY GET OUT OF CONTROL. SATURDAY ALSO APPEARS TO BE RATHER DRY 
WITH LOW RELATIVE HUMIDITY VALUES FALLING TO AROUND 25 PERCENT. 

FLZ001>006-008-162100-
/O.CON.KMOB.FW.W.0014.070216T1500Z-070217T0000Z/
/O.CON.KMOB.FW.A.0012.070217T1700Z-070217T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
601 AM CST FRI FEB 16 2007

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
6 PM CST THIS AFTERNOON...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY AFTERNOON...

THE RED FLAG WARNING FOR TODAY MEANS THAT CRITICAL FIRE WEATHER
CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION
OF GUSTY WINDS AND VERY LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE
FIRE GROWTH POTENTIAL.

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

$$
000 
WWUS84 KMOB 161902
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
102 PM CST FRI FEB 16 2007

...A RED FLAG WARNING IS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON AND
FROM 11 AM TO 6 PM SATURDAY FOR THE WESTERN FLORIDA PANHANDLE DUE TO
A LONG DURATION OF LOW RELATIVE HUMIDITY BELOW 35 PERCENT...
 
...A FIRE WEATHER WATCH IS IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY 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 ACROSS THE AREA THROUGH SATURDAY AND
THEN BE REINFORCED ON SUNDAY. THIS WILL KEEP RELATIVE HUMIDITY VALUES
BELOW CRITICAL VALUES THROUGH THE WEEKEND.

FLZ001>006-008-170815-
/O.UPG.KMOB.FW.A.0012.070217T1700Z-070217T2300Z/
/O.NEW.KMOB.FW.W.0015.070217T1700Z-070218T0000Z/
/O.NEW.KMOB.FW.A.0013.070218T1700Z-070219T0000Z/
/O.CON.KMOB.FW.W.0014.000000T0000Z-070217T0000Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
102 PM CST FRI FEB 16 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 6 PM CST SATURDAY...
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM TO 6 PM CST SATURDAY. A FIRE
WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN
EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON. A RED FLAG WARNING
ALSO 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.

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
Feb 15, 2:50 PM CSTFire Weather WatchMOBWalton22 hr
Feb 15, 2:57 PM CSTFreeze WarningMOB17 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.