Alert archive / Florida / Red Flag Warnings in 2006

Red Flag Warning 63, NWS Mobile, AL

September 28, 2006Walton County, Florida

NWS Mobile, AL issued this red flag warning at Sep 28, 2006, 6:04 PM CDT for Walton County, Florida. It took effect at Sep 29, 2006, 5:27 AM CDT. It was in force for 13 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
Sep 28, 2006, 6:04 PM CDT (23:04 UTC)
In effect from
Sep 29, 2006, 5:27 AM CDT
Expired
Sep 29, 2006, 6:00 PM CDT
In force
13 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 23:06 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, 11.1 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 2006-09-28Temperature 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 2006-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 square meters per square second.1939587897Sfc1 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
1777 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
-1 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 282311
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
604 PM CDT THU SEP 28 2006

...COLD FRONT TO BRING A DRIER AIR MASS TO THE REGION...

.A FAST MOVING COLD FRONT WILL CROSS THE AREA THIS EVENING... 
BRINGING DRY AIR AND NORTHWEST WINDS TO THE AREA FOR THE NEXT FEW 
DAYS. SURFACE HUMIDITY IS EXPECTED TO DROP BELOW 35 PERCENT FOR MORE 
THAN FOUR HOURS OVER MOST OF THE REGION ON FRIDAY AFTERNOON. THIS 
REQUIRES A RED FLAG WARNING FOR THE WEST FLORIDA PANHANDLE.

FLZ001>006-008-291130-
/O.NEW.KMOB.FW.W.0063.060929T1600Z-060929T2300Z/
/O.NEW.KMOB.FW.A.0050.060930T1600Z-060930T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
604 PM CDT THU SEP 28 2006

...THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG 
WARNING...WHICH IS IN EFFECT FROM 11 AM TO 6 PM CDT FRIDAY FOR THE 
WESTERN FLORIDA PANHANDLE FOR A SUSTAINED PERIOD OF LOW SURFACE 
HUMIDITY...

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

...A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED FOR THE SAME AREA FOR A 
SUSTAINED PERIOD OF LOW SURFACE HUMIDITY FROM LATE SATURDAY MORNING 
THROUGH SATURDAY 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 291027
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
527 AM CDT FRI SEP 29 2006

.A DRY AIRMASS WILL CONTINUE ACROSS THE REGION TODAY WITH RELATIVE
HUMIDITY VALUES DROPPING BELOW 35 PERCENT IN THE LATE MORNING AND
AFTERNOON HOURS. THE WINDS WILL BE GUSTY FROM THE NORTHEAST AT 10 TO
20 MPH THROUGH EARLY AFTERNOON.  THESE CONDITIONS CAN MAKE FIRES
BECOME UNCONTROLLABLE RATHER QUICKLY.

ALZ061>064-292000-
/O.EXA.KMOB.FW.W.0063.060929T1600Z-060929T2300Z/
UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-LOWER BALDWIN-
527 AM CDT FRI SEP 29 2006

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CDT
THIS AFTERNOON...

GUSTY NORTHEAST WINDS BETWEEN 10 AND 20 MPH WILL CONTINUE THROUGH THE 
EARLY AFTERNOON AS HIGH PRESSURE SLOWLY BUILDS IN FROM THE
NORTHWEST. THE RELATIVE HUMIDITY VALUES WILL DROP BELOW 35 PERCENT
IN THE LATE MORNING HOURS...DROPPING TO AROUND 25 PERCENT IN THE
EARLY AFTERNOON.

THESE CONDITIONS CAN EASILY MAKE FOR AN EXPLOSIVE FIRE GROWTH
POTENTIAL...RESULTING IN FIRES THAT CAN QUICKLY GET OUT OF CONTROL.


$$

FLZ001>006-008-292000-
/O.CON.KMOB.FW.W.0063.060929T1600Z-060929T2300Z/
/O.CON.KMOB.FW.A.0050.060930T1600Z-060930T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
527 AM CDT FRI SEP 29 2006

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

GUSTY NORTHEAST WINDS BETWEEN 10 AND 20 MPH WILL CONTINUE THROUGH THE 
EARLY AFTERNOON AS HIGH PRESSURE SLOWLY BUILDS IN FROM THE
NORTHWEST. THE RELATIVE HUMIDITY VALUES WILL DROP BELOW 35 PERCENT
IN THE LATE MORNING HOURS...DROPPING TO AROUND 25 PERCENT IN THE
EARLY AFTERNOON.

THESE CONDITIONS CAN EASILY MAKE FOR AN EXPLOSIVE FIRE GROWTH
POTENTIAL...RESULTING IN FIRES THAT CAN QUICKLY GET OUT OF CONTROL.

A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED FOR THE SAME AREA FOR A
SUSTAINED PERIOD OF LOW SURFACE HUMIDITY FROM LATE SATURDAY MORNING
THROUGH SATURDAY AFTERNOON.

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

$$
000 
WWUS84 KMOB 291837
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
137 PM CDT FRI SEP 29 2006

.A DRY AIRMASS WILL CONTINUE ACROSS THE REGION THROUGH SATURDAY WITH
RELATIVE HUMIDITY VALUES DROPPING BELOW 35 PERCENT IN THE LATE
MORNING AND AFTERNOON HOURS. SLIGHTLY HIGHER RELATIVE HUMIDITIES ON
SUNDAY SHOULD REDUCE THE RED FLAG POTENTIAL AT THAT TIME.

ALZ061>064-291945-
/O.CAN.KMOB.FW.W.0063.000000T0000Z-060929T2300Z/
UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-LOWER BALDWIN-
137 PM CDT FRI SEP 29 2006

...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELED THE RED FLAG
WARNING FOR MOBILE AND BALDWIN COUNTIES IN SOUTHWEST ALABAMA. 

$$

FLZ001>006-008-292300-
/O.UPG.KMOB.FW.A.0050.060930T1600Z-060930T2300Z/
/O.NEW.KMOB.FW.W.0064.060930T1700Z-061001T0000Z/
/O.CON.KMOB.FW.W.0063.000000T0000Z-060929T2300Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
137 PM CDT FRI SEP 29 2006

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS
AFTERNOON FOR THE WESTERN FLORIDA PANHANDLE DUE TO LONG DURATIONS 
OF RELATIVE HUMIDITY BELOW 35 PERCENT...
...RED FLAG WARNING IN EFFECT FROM 12 PM TO 7 PM CDT SATURDAY FOR
THE WESTERN FLORIDA PANHANDLE DUE TO LONG DURATIONS OF RELATIVE HUMIDITY
BELOW 35 PERCENT...

THE NATIONAL WEATHER SERVICE IN MOBILE CONTINUES A RED FLAG WARNING
IN EFFECT UNTIL 6 PM CDT THIS AFTERNOON FOR THE WESTERN FLORIDA
PANHANDLE DUE TO A LONG DURATION OF RELATIVE HUMIDITY BELOW 35
PERCENT. ALSO...THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
RED FLAG WARNING...WHICH IS IN EFFECT FROM 12 PM TO 7 PM CDT SATURDAY
FOR THE WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION OF LOW
RELATIVE HUMIDITY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT FOR
SATURDAY.

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.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 28, 6:04 PM CDTFire Weather WatchMOBWalton20 hr

Nearby

Red Flag Warnings in Florida, 2006Red Flag Warnings in Alabama, 2006Every red flag warning in 2006

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.