Alert archive / Florida / Red Flag Warnings in 2008

Red Flag Warning 22, NWS Mobile, AL

February 26, 2008Walton County, Florida

NWS Mobile, AL issued this red flag warning at Feb 26, 2008, 3:21 PM CST for Walton County, Florida. It took effect at Feb 27, 2008, 10:00 AM CST. It was in force for 8 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 26, 2008, 3:21 PM CST (21:21 UTC)
In effect from
Feb 27, 2008, 10:00 AM CST
Expired
Feb 27, 2008, 6:00 PM CST
In force
8 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 21:20 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.4 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 2008-02-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 534 joules per kilogram.LCLLFCEL10008507005003002001001 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 2008-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 227 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
534 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
499 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
227 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS84 KMOB 262121
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
321 PM CST TUE FEB 26 2008

...A RED FLAG WARNING IS IN EFFECT FOR THE WESTERN FLORIDA PANHANDLE 
DUE TO LOW AFTERNOON RELATIVE HUMIDITIES...

.STRONG HIGH PRESSURE WILL BUILD OVER THE CENTRAL GULF COAST
REGION THROUGH EARLY FRIDAY. COOLER/DRIER CONDITIONS CAN BE
EXPECTED THROUGH EARLY FRIDAY. AFTERNOON RELATIVE HUMIDITIES WILL
HAVE TO BE CLOSELY MONITORED THROUGH THURSDAY.

FLZ001>006-008-271330-
/O.UPG.KMOB.FW.A.0018.080227T1600Z-080228T0000Z/
/O.NEW.KMOB.FW.W.0022.080227T1600Z-080228T0000Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
321 PM CST TUE FEB 26 2008

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 6 PM CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM TO 6 PM CST WEDNESDAY.

.STRONG HIGH PRESSURE WILL BUILD OVER THE CENTRAL GULF COAST
REGION THROUGH EARLY FRIDAY. COOLER/DRIER CONDITIONS CAN BE
EXPECTED THROUGH EARLY FRIDAY. AFTERNOON RELATIVE HUMIDITIES WILL
HAVE TO BE CLOSELY MONITORED THROUGH THURSDAY.

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 270948
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
348 AM CST WED FEB 27 2008

...A RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 6 PM TODAY FOR
THE WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION OF LOW RELATIVE
HUMIDITY BELOW 35 PERCENT...

...FIRE WEATHER WATCH IN EFFECT THURSDAY AFTERNOON FOR THE WESTERN
FLORIDA PANHANDLE DUE TO THE POTENTIAL OF A LONG DURATION OF LOW
RELATIVE HUMIDITY...

.STRONG HIGH PRESSURE WILL BUILD OVER THE CENTRAL GULF COAST
REGION THROUGH EARLY FRIDAY. COOLER AND MUCH DRIER CONDITIONS CAN BE
EXPECTED THROUGH EARLY FRIDAY. AFTERNOON RELATIVE HUMIDITIES WILL
HAVE TO BE CLOSELY MONITORED THROUGH THURSDAY.

FLZ001>006-008-280200-
/O.NEW.KMOB.FW.A.0019.080228T1800Z-080229T0000Z/
/O.CON.KMOB.FW.W.0022.080227T1600Z-080228T0000Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
348 AM CST WED FEB 27 2008

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
6 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 FROM 10 AM THIS MORNING TO 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.

$$
000 
WWUS84 KMOB 271956
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
156 PM CST WED FEB 27 2008

...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM TODAY FOR THE
WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION OF LOW RELATIVE
HUMIDITY BELOW 35 PERCENT...

...A RED FLAG WARNING IS NOW IN EFFECT ON THURSDAY AFTERNOON FOR THE
WESTERN FLORIDA PANHANDLE DUE TO THE POTENTIAL OF A LONG DURATION OF
LOW RELATIVE HUMIDITY...

.STRONG HIGH PRESSURE WILL BUILD OVER THE CENTRAL GULF COAST
REGION THROUGH EARLY FRIDAY. COOLER AND MUCH DRIER CONDITIONS CAN
BE EXPECTED THROUGH EARLY FRIDAY. AFTERNOON RELATIVE HUMIDITIES
WILL HAVE TO BE CLOSELY MONITORED THROUGH THURSDAY.

FLZ001>006-008-281200-
/O.UPG.KMOB.FW.A.0019.080228T1800Z-080229T0000Z/
/O.NEW.KMOB.FW.W.0023.080228T1600Z-080229T0000Z/
/O.CON.KMOB.FW.W.0022.000000T0000Z-080228T0000Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
156 PM CST WED FEB 27 2008

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 6 PM CST THURSDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM TO 6 PM CST THURSDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. A RED FLAG WARNING
REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. 

STRONG HIGH PRESSURE WILL BUILD OVER THE CENTRAL GULF COAST
REGION THROUGH EARLY FRIDAY. COOLER AND MUCH DRIER CONDITIONS CAN
BE EXPECTED THROUGH EARLY FRIDAY. AFTERNOON RELATIVE HUMIDITIES
BELOW 35 PERCENT WILL BE LIKELY ON THURSDAY 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 WARMER TEMPERATURES WILL CREATE EXPLOSIVE
FIRE GROWTH POTENTIAL.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 26, 8:22 AM CSTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa35 min
Feb 26, 9:43 AM CSTFire Weather WatchMOBWalton6 hr

Nearby

Red Flag Warnings in Florida, 2008Every red flag warning in 2008

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.