Alert archive / Florida / Red Flag Warnings in 2011

Red Flag Warning 32, NWS Tallahassee, FL

April 2, 201111 counties in Florida

NWS Tallahassee, FL issued this red flag warning at Apr 2, 2011, 9:22 AM CDT for 11 counties in Florida. It took effect at Apr 2, 2011, 2:00 PM CDT. It was in force for 4 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
Apr 2, 2011, 9:22 AM CDT (14:22 UTC)
In effect from
Apr 2, 2011, 2:00 PM CDT
Expired
Apr 2, 2011, 6:00 PM CDT
In force
4 hr
Issued by
NWS Tallahassee, FL

Counties Calhoun County, FL, Gadsden County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Madison County, FL, Taylor County, FL, Wakulla County, FL, Washington County, FL

The radar

The Tallahassee radar (KTLH), 15 km from the middle of the area, began a volume at 14:22 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, 2.4 hours before the alert went out and 18 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 2011-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 19 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 2011-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
19 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
744 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
89 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.

034 
WWUS82 KTAE 021422
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1022 AM EDT SAT APR 2 2011

...A RED FLAG WARNING IS NOW IN EFFECT FROM 3 PM EDT /2 PM CDT/ 
THIS AFTERNOON TO 7 PM EDT /6 PM CDT/ THIS EVENING FOR MOST 
INLAND PORTIONS OF THE EASTERN FLORIDA PANHANDLE AND BIG BEND 
DUE TO HIGH DISPERSION LEVELS AND TRANSPORT WINDS...

...A FIRE WEATHER WATCH IS IN EFFECT FROM SUNDAY AFTERNOON 
THROUGH SUNDAY EVENING DUE TO THE POSSIBILITY OF A COMBINATION 
OF HIGH DISPERSION LEVELS...TRANSPORT WINDS...AND LONG DURATIONS 
OF LOW RELATIVE HUMIDITY...

FLZ009>011-013-016>019-026>029-030000-
/O.UPG.KTAE.FW.A.0025.110402T1900Z-110402T2300Z/
/O.NEW.KTAE.FW.W.0032.110402T1900Z-110402T2300Z/
/O.NEW.KTAE.FW.A.0026.110403T1900Z-110403T2300Z/
HOLMES-WASHINGTON-JACKSON-CALHOUN-GADSDEN-LEON-INLAND JEFFERSON-
MADISON-LIBERTY-INLAND WAKULLA-INLAND TAYLOR-LAFAYETTE-
1022 AM EDT SAT APR 2 2011 /922 AM CDT SAT APR 2 2011/

...A RED FLAG WARNING IS NOW IN EFFECT FROM 3 PM EDT /2 PM CDT/
THIS AFTERNOON TO 7 PM EDT /6 PM CDT/ THIS EVENING FOR HIGH
DISPERSION LEVELS AND TRANSPORT WIND SPEEDS...

...A FIRE WEATHER IS NOW IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY EVENING DUE TO THE POSSIBILITY OF A COMBINATION OF HIGH
DISPERSION LEVELS...TRANSPORT WINDS...AND LONG DURATIONS OF LOW
RELATIVE HUMIDITY...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 3 PM EDT /2 PM 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 SUNDAY AFTERNOON THROUGH SUNDAY EVENING. 

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.

&&

$$

FLZ015-GAZ125>131-145>148-157>161-030000-
/O.NEW.KTAE.FW.A.0026.110403T1900Z-110403T2300Z/
INLAND FRANKLIN-DOUGHERTY-LEE-WORTH-TURNER-TIFT-BEN HILL-IRWIN-
MITCHELL-COLQUITT-COOK-BERRIEN-GRADY-THOMAS-BROOKS-LOWNDES-LANIER-
1022 AM EDT SAT APR 2 2011

...A FIRE WEATHER WATCH IS NOW IN EFFECT FROM SUNDAY AFTERNOON
THROUGH SUNDAY EVENING FOR POSSIBLE LONG DURATIONS OF LOW RELATIVE
HUMIDITY...

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GOULD/DUVAL
1 follow-up statement
256 
WWUS82 KTAE 021929
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
329 PM EDT SAT APR 2 2011

...RED FLAG WARNING IN EFFECT UNTIL 7 PM EDT /6 PM CDT/ THIS
EVENING FOR INLAND NORTH FLORIDA DUE TO BRIEF DURATIONS OF RELATIVE 
HUMIDITY LESS THAN 35 PERCENT AND DISPERSION INDICES GREATER THAN
75...

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY EVENING FOR MUCH OF NORTH FLORIDA DUE TO POSSIBLE LONG DURATIONS
OF RELATIVE HUMIDITY LESS THAN 35 PERCENT AND DISPERSION INDICES
GREATER THAN 75...

...FIRE WEATHER WATCH IN EFFECT SUNDAY AFTERNOON FOR PORTIONS OF 
SOUTHWEST AND SOUTH CENTRAL GEORGIA DUE TO POSSIBLE LONG DURATIONS OF
RELATIVE HUMIDITY LESS THAN 25 PERCENT...

.A DRIER AIRMASS WILL SPREAD ACROSS THE REGION TODAY AND REMAIN
IN PLACE INTO SUNDAY AFTERNOON. THIS MAY RESULT IN A PERIOD OF RED
FLAG CONDITIONS ACROSS NORTH FLORIDA AND SOUTH GEORGIA SUNDAY
AFTERNOON. IN FLORIDA...THE RH CRITERIA WILL EASILY BE SATISFIED
BUT WARNING CRITERIA WILL DEPEND ON DISPERSION AND ERC VALUES. IN
GEORGIA DURATIONS COULD BE MET SUNDAY AFTERNOON.

FLZ009>011-013-016>019-026>029-031130-
/O.EXT.KTAE.FW.A.0026.110403T1700Z-110404T0000Z/
/O.CON.KTAE.FW.W.0032.000000T0000Z-110402T2300Z/
HOLMES-WASHINGTON-JACKSON-CALHOUN-GADSDEN-LEON-INLAND JEFFERSON-
MADISON-LIBERTY-INLAND WAKULLA-INLAND TAYLOR-LAFAYETTE-
329 PM EDT SAT APR 2 2011 /229 PM CDT SAT APR 2 2011/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EDT /6 PM CDT/
THIS EVENING...
...FIRE WEATHER WATCH NOW IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS CONTINUED THE RED
FLAG WARNING...WHICH IS IN EFFECT UNTIL 7 PM EDT /6 PM CDT/ THIS
EVENING. A FIRE WEATHER WATCH HAS BEEN ISSUED FOR SUNDAY AFTERNOON
AND EVENING. 

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.

&&

$$

FLZ007-034-031130-
/O.EXB.KTAE.FW.A.0026.110403T1700Z-110404T0000Z/
INLAND WALTON-INLAND DIXIE-
329 PM EDT SAT APR 2 2011 /229 PM CDT SAT APR 2 2011/

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY EVENING...

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

FLZ015-031130-
/O.EXT.KTAE.FW.A.0026.110403T1700Z-110404T0000Z/
INLAND FRANKLIN-
329 PM EDT SAT APR 2 2011

...FIRE WEATHER WATCH NOW IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY EVENING...

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GAZ125>131-145>148-157>161-031130-
/O.CON.KTAE.FW.A.0026.110403T1900Z-110403T2300Z/
DOUGHERTY-LEE-WORTH-TURNER-TIFT-BEN HILL-IRWIN-MITCHELL-COLQUITT-
COOK-BERRIEN-GRADY-THOMAS-BROOKS-LOWNDES-LANIER-
329 PM EDT SAT APR 2 2011

...FIRE WEATHER WATCH REMAINS IN EFFECT SUNDAY AFTERNOON...

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

38-GODSEY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 9:22 AM CDTFire Weather WatchTAECalhoun, Dixie, Franklin, Gadsden, Gulf, Holmes and 9 more18 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.