Alert archive / Florida / Red Flag Warnings in 2008

Red Flag Warning 24, NWS Mobile, AL

March 4, 2008Walton County, Florida

NWS Mobile, AL issued this red flag warning at Mar 4, 2008, 2:24 PM CST for Walton County, Florida. It took effect at Mar 5, 2008, 11:00 AM CST. It was in force for 3 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
Mar 4, 2008, 2:24 PM CST (20:24 UTC)
In effect from
Mar 5, 2008, 11:00 AM CST
Expired
Mar 5, 2008, 2:27 PM CST
In force
3 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 20:25 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, 8.4 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 2008-03-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 131 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 2008-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 251 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
131 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
556 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
251 m²/s²
0-3 km storm-relative helicity
324 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
WWUS84 KMOB 042024
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
224 PM CST TUE MAR 4 2008

...RED FLAG WARNING NOW IN EFFECT FROM 11 AM TO 4 PM CST WEDNESDAY
FOR THE WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION OF CRITICALLY
LOW DAYTIME HUMIDITY BELOW 35 PERCENT...

.HIGH PRESSURE...SLIDING EAST OVER THE GULF COAST DURING THE DAY
WEDNESDAY...BRINGS A DRY DAY TO THE AREA. 

FLZ001>006-008-051200-
/O.UPG.KMOB.FW.A.0020.080305T1700Z-080306T0000Z/
/O.NEW.KMOB.FW.W.0024.080305T1700Z-080305T2200Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
COASTAL WALTON-
224 PM CST TUE MAR 4 2008

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 4 PM CST WEDNESDAY 
FOR THE WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION OF CRITICALLY
LOW DAYTIME HUMIDITY BELOW 35 PERCENT...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS NOW ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM TO 4 PM CST WEDNESDAY.
THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

LOWEST DAYTIME HUMIDITIES ARE FORECAST TO SINK TO BETWEEN 25 AND 30
PERCENT FOR SEVERAL HOURS ON WEDNESDAY.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. A LONG DURATION OF LOW RELATIVE HUMIDITY CREATES
CONDITIONS NECESSARY FOR FIRE GROWTH.

$$
3 follow-up statements
000 
WWUS84 KMOB 050954
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
354 AM CST WED MAR 5 2008

...RED FLAG WARNING NOW IN EFFECT FROM 11 AM TO 4 PM CST
WEDNESDAY FOR THE WESTERN FLORIDA PANHANDLE DUE TO A LONG
DURATION OF CRITICALLY LOW DAYTIME HUMIDITIES...

...FIRE WEATHER WATCH IS IN EFFECT FOR THURSDAY FOR INLAND SANTA ROSA
AND INLAND OKALOOSA COUNTIES OF THE WESTERN FLORIDA PANHANDLE DUE TO
LONG DURATION OF CRITICALLY LOW DAYTIME HUMIDITIES... 

.HIGH PRESSURE WILL CONTINUE OVER THE CENTRAL GULF COAST REGION
THROUGH EARLY THURSDAY THEN SHIFT EAST THROUGH THE REMAINDER OF THE
WEEK. AS A RESULT A LIGHT SOUTHERLY FLOW WILL GIVE WAY TO HIGHER
HUMIDITIES ON FRIDAY. DRIER CONDITIONS ARE EXPECTED OVER THE WEEKEND
AS HIGH PRESSURE REBUILDS OVER THE REGION.  

.FLZ003-005-052200- 
/O.NEW.KMOB.FW.A.0021.080306T1700Z-080306T2300Z/
/O.CON.KMOB.FW.W.0024.080305T1700Z-080305T2200Z/ 
INLAND SANTA ROSA-INLAND OKALOOSA- 
354 AM CST WED MAR 5 2008

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

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY AFTERNOON...

.HIGH PRESSURE WILL CONTINUE OVER THE CENTRAL GULF COAST REGION
THROUGH EARLY THURSDAY THEN SHIFT EAST THROUGH THE REMAINDER OF THE
WEEK. AS A RESULT A LIGHT SOUTHERLY FLOW WILL GIVE WAY TO HIGHER
HUMIDITIES ON FRIDAY. DRIER CONDITIONS ARE EXPECTED OVER THE WEEKEND
AS HIGH PRESSURE REBUILDS OVER THE REGION.  

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
FORECAST TO OCCUR. A LONG DURATION OF LOW RELATIVE HUMIDITY CREATES
CONDITIONS NECESSARY FOR FIRE GROWTH.

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

$$

FLZ001-002-004-006-008-052200-
/O.CON.KMOB.FW.W.0024.080305T1700Z-080305T2200Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-COASTAL SANTA ROSA-
COASTAL OKALOOSA-COASTAL WALTON-
354 AM CST WED MAR 5 2008

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

.HIGH PRESSURE WILL CONTINUE OVER THE CENTRAL GULF COAST REGION
THROUGH EARLY THURSDAY THEN SHIFT EAST THROUGH THE REMAINDER OF THE
WEEK. AS A RESULT A LIGHT SOUTHERLY FLOW WILL GIVE WAY TO HIGHER
HUMIDITIES ON FRIDAY. DRIER CONDITIONS ARE EXPECTED OVER THE WEEKEND
AS HIGH PRESSURE REBUILDS OVER THE REGION.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
FORECAST TO OCCUR. A LONG DURATION OF LOW RELATIVE HUMIDITY CREATES
CONDITIONS NECESSARY FOR FIRE GROWTH.

$$
000 
WWUS84 KMOB 051536
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
936 AM CST WED MAR 5 2008

...RED FLAG WARNING NOW IN EFFECT FROM NOON TO 4 PM CST TODAY FOR
INLAND PORTIONS OF THE WESTERN FLORIDA PANHANDLE DUE TO FOUR HOURS
OF CRITICALLY LOW HUMIDITY BELOW 35 PERCENT...

.HIGH PRESSURE WILL CONTINUE OVER THE CENTRAL GULF COAST REGION
THROUGH EARLY THURSDAY THEN SHIFT EAST THROUGH THE REMAINDER OF THE
WEEK. LOWER AFTERNOON RELATIVE HUMIDITY IS EXPECTED TODAY AS
TEMPERATURES WARM INTO THE MID 60S.

FLZ001-002-004-006-008-051645-
/O.CAN.KMOB.FW.W.0024.080305T1700Z-080305T2200Z/
INLAND ESCAMBIA-COASTAL ESCAMBIA-COASTAL SANTA ROSA-
COASTAL OKALOOSA-COASTAL WALTON-
936 AM CST WED MAR 5 2008

...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE RED FLAG
WARNING FOR INLAND ESCAMBIA AND ALL COASTAL ZONES DUE TO AN EXPECTED
LOWER DURATION (BELOW FOUR HOURS) OF CRITICAL RH.

$$

FLZ003-005-060745-
/O.NEW.KMOB.FW.A.0021.080306T1700Z-080306T2300Z/
/O.EXT.KMOB.FW.W.0024.080305T1800Z-080305T2200Z/
INLAND SANTA ROSA-INLAND OKALOOSA-
936 AM CST WED MAR 5 2008

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY
AFTERNOON. THE RED FLAG WARNING CONTINUES TODAY FROM NOON UNTIL 4 PM
CST FOR INLAND SANTA ROSA AND INLAND OKALOOSA COUNTIES.

LOWEST DAYTIME HUMIDITIES ARE FORECAST TO DROP TO BETWEEN 28 AND 33
PERCENT.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
FORECAST TO OCCUR. A LONG DURATION OF LOW RELATIVE HUMIDITY CREATES
CONDITIONS NECESSARY FOR FIRE GROWTH.

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

$$
000 
WWUS84 KMOB 052027
RFWMOB

RED FLAG WARNING
NATIONAL WEATHER SERVICE MOBILE AL
227 PM CST WED MAR 5 2008

...RED FLAG WARNING HAS BEEN CANCELLED FOR THIS AFTERNOON ACROSS THE
WESTERN FLORIDA PANHANDLE...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY AFTERNOON FOR INLAND PORTIONS OF THE WESTERN FLORIDA
PANHANDLE DUE TO THE POTENTIAL OF A LONG DURATION OF LOW RELATIVE
HUMIDITY...

.HIGH PRESSURE WILL GRADUALLY SHIFT EAST OF THE AREA OVERNIGHT
ALLOWING A LIGHT SOUTHERLY FLOW TO DEVELOP. THIS WILL ALLOW MOISTURE
VALUES TO BEGIN INCREASING ACROSS THE AREA IN ADVANCE OF A DEVELOPING
AREA OF LOW PRESSURE THAT WILL MOVE ACROSS THE AREA THURSDAY NIGHT.

FLZ003-005-061230-
/O.CAN.KMOB.FW.W.0024.000000T0000Z-080305T2200Z/
/O.CON.KMOB.FW.A.0021.080306T1700Z-080306T2300Z/
INLAND SANTA ROSA-INLAND OKALOOSA-
227 PM CST WED MAR 5 2008

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY AFTERNOON...
...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE RED FLAG
WARNING THAT WAS IN EFFECT FOR THIS AFTERNOON. A FIRE WEATHER WATCH
REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON.

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


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 4, 5:01 AM CSTFire Weather WatchMOBWalton9 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.