Alert archive / Florida / Red Flag Warnings in 2011

Red Flag Warning 96, NWS Tallahassee, FL

October 4, 201112 counties in Florida

NWS Tallahassee, FL issued this red flag warning at Oct 4, 2011, 2:35 PM CDT for 12 counties in Florida. It took effect at Oct 5, 2011, 12:00 PM CDT. It was in force for 6 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
Oct 4, 2011, 2:35 PM CDT (19:35 UTC)
In effect from
Oct 5, 2011, 12:00 PM CDT
Expired
Oct 5, 2011, 6:00 PM CDT
In force
6 hr
Issued by
NWS Tallahassee, FL

Counties Bay County, FL, Calhoun County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL

The radar

The Tallahassee radar (KTLH), 72 km from the middle of the area, began a volume at 19:39 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, 7.6 hours before the alert went out and 75 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 2011-10-04Temperature 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 2011-10-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 square meters per square second.1939Sfc1 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
3053 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
35 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.

060 
WWUS82 KTAE 041935
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
335 PM EDT TUE OCT 4 2011

...A RED FLAG WARNING CONTINUES IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ 
THIS EVENING FOR LEON...WAKULLA...BAY...AND WASHINGTON COUNTIES IN 
FLORIDA DUE TO LONG DURATIONS OF RELATIVE HUMIDITY BELOW 35 PERCENT 
COMBINED WITH ERC VALUES OF 35 OR HIGHER...

...A RED FLAG WARNING IS NOW IN EFFECT FROM NOON /11 AM CDT/
TO 8 PM EDT /7 PM CDT/ WEDNESDAY FOR LEON...WAKULLA...BAY AND
WASHINGTON COUNTIES IN FLORIDA DUE TO EXPECTED LONG DURATIONS OF
RELATIVE HUMIDITY BELOW 35 PERCENT COMBINED WITH ERC VALUES OF 35
OR HIGHER...

...A FIRE WEATHER WATCH IS NOW IN EFFECT FROM THURSDAY AFTERNOON 
THROUGH THURSDAY EVENING FOR CALHOUN...BAY...FRANKLIN...GULF...
WAKULLA...GADSDEN...JACKSON...LEON...LIBERTY AND WASHINGTON COUNTIES 
DUE TO DUE TO A COMBINATION OF LOW RH...HIGH ERC VALUES AND HIGH 
DISPERSION...

.DISCUSSION...LOW LEVEL MOISTURE WILL BE GRADUALLY INCREASING THROUGH 
THE REMAINDER OF THE WEEK BUT NOT BEFORE WE SEE AT LEAST A FEW MORE 
DAYS OF RED FLAG CONDITIONS OVER PORTIONS OF NORTH FLORIDA. ON
WEDNESDAY WE WILL SEE SIMILAR CONDITIONS AS TODAY WITH LONG
DURATIONS OF LOW RH COMBINED WITH HIGH ERC VALUES FOR
BAY...WASHINGTON...WAKULLA AND LEON COUNTIES. A WATCH IS BEING
ISSUED FOR THURSDAY AFTERNOON FOR THOSE COUNTIES IN ADDITION TO
JACKSON...CALHOUN...GULF... FRANKLIN...LIBERTY AND GADSDEN DUE TO
A COMBINATION OF LOW RH... HIGH ERC VALUES AND HIGH DISPERSION.


FLZ010-012-017-027-112-127-050000-
/O.UPG.KTAE.FW.A.0078.111005T1700Z-111005T2300Z/
/O.NEW.KTAE.FW.W.0096.111005T1700Z-111005T2300Z/
/O.NEW.KTAE.FW.A.0079.111006T1700Z-111006T2300Z/
/O.CON.KTAE.FW.W.0095.000000T0000Z-111005T0000Z/
WASHINGTON-INLAND BAY-LEON-INLAND WAKULLA-COASTAL BAY-
COASTAL WAKULLA-
335 PM EDT TUE OCT 4 2011 /235 PM CDT TUE OCT 4 2011/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/
THIS EVENING FOR FIRE WEATHER ZONES 010...012...017...027...112
AND 127... 

...RED FLAG WARNING IN EFFECT FROM 1 PM EDT /NOON CDT/ TO 7 PM
EDT /6 PM CDT/ WEDNESDAY FOR FIRE WEATHER ZONES 010...012...017...
027...112 AND 127... 

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR FIRE WEATHER ZONES 010...012...017...027...112
AND 127...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM EDT /NOON CDT/ TO 7 PM EDT
/6 PM CDT/ WEDNESDAY. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED.
THIS FIRE WEATHER WATCH IS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN
EFFECT. 

 * HUMIDITY...MINIMUM VALUES 24 TO 30 PERCENT TODAY...AND 29 TO 33
   PERCENT ON WEDNESDAY. 8 HOUR DURATIONS BELOW 35 PERCENT
   HUMIDITY ARE EXPECTED TODAY.

 * ENERGY RELEASE COMPONENT...35 OR HIGHER.

 * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
   OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY
WILL ENHANCE FIRE GROWTH POTENTIAL.

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

&&

$$

FLZ011-013>016-026-114-115-050000-
/O.NEW.KTAE.FW.A.0079.111006T1700Z-111006T2300Z/
JACKSON-CALHOUN-INLAND GULF-INLAND FRANKLIN-GADSDEN-LIBERTY-
COASTAL GULF-COASTAL FRANKLIN-
335 PM EDT TUE OCT 4 2011 /235 PM CDT TUE OCT 4 2011/

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR FIRE WEATHER ZONES 011...013...014...015...
016...026...114 AND 115...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A FIRE
WEATHER WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONES 011...013...014...015... 
  016...026...114 AND 115. 

* WIND...EAST AROUND 10 MPH.

* HUMIDITY...30 TO 35 PERCENT.

* ENERGY RELEASE COMPONENT...33 OR HIGHER.

* DISPERSION...75 OR HIGHER. 

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

BARRY
1 follow-up statement
889 
WWUS82 KTAE 050922
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
522 AM EDT WED OCT 5 2011

...A RED FLAG WARNING IS NOW IN EFFECT FROM 1 PM EDT /NOON CDT/
TO 7 PM EDT /6 PM CDT/ TODAY FOR MUCH OF THE EASTERN FLORIDA
PANHANDLE AND WESTERN FLORIDA BIG BEND FOR RELATIVE HUMIDITY BELOW
35 PERCENT...HIGH DISPERSION...AND ERC VALUES AROUND OR OVER 35...

...A FIRE WEATHER WATCH IS NOW IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING FOR THE SAME AREA FOR THE SAME REASONING...

.DISCUSSION...SEVERAL MORE DAYS OF CRITICAL FIRE WEATHER
CONDITIONS WILL BE POSSIBLE ACROSS PARTS OF NORTHWEST FLORIDA.
ALTHOUGH RELATIVE HUMIDITY WILL INCREASE SLIGHTLY THE NEXT SEVERAL
DAYS...AND THE DURATION OF TIME BELOW 35 PERCENT HUMIDITY WILL
DECREASE...HIGHER DISPERSIONS AND ERC VALUES AROUND OR ABOVE 35
WILL CONTRIBUTE TO RED FLAG CONDITIONS. IT SHOULD BE NOTED THAT
ONGOING DROUGHT CONDITIONS...LOW FUEL MOISTURE LEVELS...AND LACK
OF RECENT PRECIPITATION WILL LEAD TO INCREASED FIRE DANGER ACROSS
THE AREA...EVEN IF SPECIFIC RED FLAG CRITERIA IS NOT REACHED. 

FLZ114-115-051030-
/O.CAN.KTAE.FW.A.0079.111006T1700Z-111006T2300Z/
COASTAL GULF-COASTAL FRANKLIN-
522 AM EDT WED OCT 5 2011

...FIRE WEATHER WATCH IS CANCELLED FOR THURSDAY FOR COASTAL GULF
AND COASTAL FRANKLIN COUNTIES...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS CANCELLED THE
FIRE WEATHER WATCH. 

MINIMUM RELATIVE HUMIDITY THURSDAY AFTERNOON IS NOT EXPECTED TO
FALL ANY LOWER THAN 40 PERCENT. RELATIVE HUMIDITY LEVELS WILL
REMAIN HIGHER IN COASTAL AREAS. THEREFORE...THE FIRE WEATHER
WATCH HAS BEEN CANCELLED.

$$

FLZ011-013>016-026-052015-
/O.EXA.KTAE.FW.W.0096.111005T1700Z-111005T2300Z/
/O.CON.KTAE.FW.A.0079.111006T1700Z-111006T2300Z/
JACKSON-CALHOUN-INLAND GULF-INLAND FRANKLIN-GADSDEN-LIBERTY-
522 AM EDT WED OCT 5 2011 /422 AM CDT WED OCT 5 2011/

...A RED FLAG WARNING IS NOW IN EFFECT FROM 1 PM EDT /NOON CDT/
TO 7 PM EDT /6 PM CDT/ TODAY FOR JACKSON...CALHOUN...GADSDEN...
LIBERTY...INLAND GULF...AND INLAND FRANKLIN COUNTIES FOR RELATIVE
HUMIDITY BELOW 35 PERCENT...HIGH DISPERSION...AND ERC VALUES
AROUND OR OVER 35...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING FOR THE SAME AREAS AND REASONING...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM EDT /NOON CDT/ THIS
AFTERNOON TO 7 PM EDT /6 PM CDT/ THIS EVENING. 

 * WIND...EAST-NORTHEAST AT 5 TO 10 MPH TODAY. EAST AROUND 10 MPH
   ON THURSDAY.

 * HUMIDITY...AFTERNOON MINIMUM VALUES 28 TO 33 PERCENT
   TODAY...AND 33 TO 35 PERCENT ON THURSDAY.

 * ENERGY RELEASE COMPONENT...30 TO 34.

 * DISPERSION...MAXIMUM VALUES 75 TO 100.

 * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
   OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY
WILL ENHANCE FIRE GROWTH POTENTIAL.

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

&&

$$

FLZ007>009-018-118-052015-
/O.EXA.KTAE.FW.W.0096.111005T1700Z-111005T2300Z/
/O.EXA.KTAE.FW.A.0079.111006T1700Z-111006T2300Z/
INLAND WALTON-CENTRAL WALTON-HOLMES-INLAND JEFFERSON-
COASTAL JEFFERSON-
522 AM EDT WED OCT 5 2011 /422 AM CDT WED OCT 5 2011/

...A RED FLAG WARNING IS NOW IN EFFECT FROM 1 PM EDT /NOON CDT/
TO 7 PM EDT /6 PM CDT/ TODAY FOR INLAND WALTON...CENTRAL
WALTON...HOLMES...AND INLAND JEFFERSON COUNTIES FOR RELATIVE
HUMIDITY BELOW 35 PERCENT...HIGH DISPERSION...AND ERC VALUES
AROUND OR OVER 35...

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR THE SAME AREA AND REASONING...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM EDT /NOON CDT/ THIS
AFTERNOON TO 7 PM EDT /6 PM CDT/ THIS EVENING. 

A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH
IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING.

 * WIND...EAST-NORTHEAST AT 5 TO 7 MPH TODAY. EAST AROUND 10 MPH
   ON THURSDAY.

 * HUMIDITY...AFTERNOON MINIMUM VALUES 28 TO 32 PERCENT
   TODAY...AND 32 TO 35 PERCENT THURSDAY.

 * ENERGY RELEASE COMPONENT...33 OR HIGHER.

 * DISPERSION...MAXIMUM VALUES 75 TO 100.

 * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
   OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY
WILL ENHANCE FIRE GROWTH POTENTIAL.

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

&&

$$

FLZ010-012-017-027-112-127-052015-
/O.CON.KTAE.FW.W.0096.111005T1700Z-111005T2300Z/
/O.CON.KTAE.FW.A.0079.111006T1700Z-111006T2300Z/
WASHINGTON-INLAND BAY-LEON-INLAND WAKULLA-COASTAL BAY-
COASTAL WAKULLA-
522 AM EDT WED OCT 5 2011 /422 AM CDT WED OCT 5 2011/

...A RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM EDT /NOON CDT/
TO 7 PM EDT /6 PM CDT/ TODAY FOR BAY...LEON...WASHINGTON...
AND WAKULLA COUNTIES FOR RELATIVE HUMIDITY BELOW 35 PERCENT...
HIGH DISPERSION...AND ERC VALUES OVER 35...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING FOR THE SAME AREA AND REASONING...
 
 * WIND...EAST-NORTHEAST AT 5 TO 10 MPH TODAY. EAST AROUND 10 MPH
   ON THURSDAY.

 * HUMIDITY...MINIMUM VALUES 29 TO 33 PERCENT TODAY...AND 33 TO 35
   PERCENT ON THURSDAY. 

 * ENERGY RELEASE COMPONENT...35 OR HIGHER.

 * DISPERSION...MAXIMUM VALUES 75 TO 100.

 * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.  
   OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY
WILL ENHANCE FIRE GROWTH POTENTIAL.

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

&&

$$

LAMERS

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 4, 2:35 PM CDTFire Weather WatchTAEBay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 6 more30 hr

Nearby

Red Flag Warnings in Florida, 2011Every red flag warning in 2011

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.