Alert archive / Florida / Red Flag Warnings in 2012

Red Flag Warning 55, NWS Tallahassee, FL

November 23, 2012Leon County, Wakulla County, Florida

NWS Tallahassee, FL issued this red flag warning at Nov 23, 2012, 8:37 AM EST for Leon County, Wakulla County, Florida. It took effect at Nov 23, 2012, 1:00 PM EST. 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
Nov 23, 2012, 8:37 AM EST (13:37 UTC)
In effect from
Nov 23, 2012, 1:00 PM EST
Expired
Nov 23, 2012, 7:00 PM EST
In force
6 hr
Issued by
NWS Tallahassee, FL

Counties Leon County, FL, Wakulla County, FL

The radar

The Tallahassee radar (KTLH), 11 km from the middle of the area, began a volume at 13:39 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, 1.6 hours before the alert went out and 11 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 2012-11-23Temperature 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 2012-11-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.193958Sfc1 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
1683 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
12 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.

370 
WWUS82 KTAE 231337
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
837 AM EST FRI NOV 23 2012

...A RED FLAG WARNING IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7
PM EST THIS EVENING FOR LEON AND WAKULLA COUNTIES DUE TO LOW
RELATIVE HUMIDITY VALUES AND HIGH ERC VALUES...

...A FIRE WEATHER WATCH REMAINS IN EFFECT FOR TOMORROW AFTERNOON
FOR THE SAME COUNTIES AND THE SAME REASONING...

.DRY AIR ALOFT WILL MIX DOWN TO THE SURFACE THIS AFTERNOON
ALLOWING FOR A LITTLE OVER FOUR HOURS OF CRITICALLY LOW RELATIVE
HUMIDITY LEVELS COUPLED WITH HIGH ERC VALUES. TOMORROW A COLD
FRONT WILL HAVE PASSED THE THROUGH THE AREA...AND A REINFORCING
SHOT OF DRY AIR WILL AGAIN ALLOW FOR LONG DURATIONS OF CRITICALLY
LOW RELATIVE HUMIDITY LEVELS COUPLED WITH DRY FUELS.

FLZ017-027-127-240000-
/O.NEW.KTAE.FW.W.0055.121123T1800Z-121124T0000Z/
/O.CON.KTAE.FW.A.0042.121124T1600Z-121125T0000Z/
LEON-INLAND WAKULLA-COASTAL WAKULLA-
837 AM EST FRI NOV 23 2012

...A RED FLAG WARNING IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7
PM EST THIS EVENING FOR LEON AND WAKULLA COUNTIES... 

...A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH SATURDAY EVENING FOR LEON AND WAKULLA COUNTIES...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EST
THIS EVENING. IN ADDITION...A FIRE WEATHER WATCH REMAINS IN EFFECT
FOR THE SAME COUNTIES TOMORROW AFTERNOON. 

* HUMIDITY...MINIMUM RELATIVE HUMIDITY FOR BOTH AFTERNOONS AROUND
  25 PERCENT.

* ERC...AROUND 37 BOTH TODAY AND SATURDAY.

* IMPACTS...ANY FIRES THAT DEVELOP MAY 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.

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.

&&

$$

HARRIGAN
2 follow-up statements
487 
WWUS82 KTAE 231926
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
226 PM EST FRI NOV 23 2012

...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS 
EVENING FOR LEON AND WAKULLA COUNTIES DUE TO LONG DURATIONS OF
LOW RELATIVE HUMIDITY COUPLED WITH HIGH ERC VALUES...

...A FIRE WEATHER WATCH IS IN EFFECT FOR ALL OF NORTH FLORIDA AND
SOUTHEAST ALABAMA FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING...

.DRY AIR ALOFT WILL MIX DOWN TO THE SURFACE THIS AFTERNOON
ALLOWING FOR A LITTLE OVER FOUR HOURS OF CRITICALLY LOW RELATIVE
HUMIDITY LEVELS COUPLED WITH HIGH ERC VALUES. TOMORROW A COLD
FRONT WILL HAVE PASSED THE THROUGH THE AREA...AND A REINFORCING
SHOT OF DRY AIR WILL AGAIN ALLOW FOR LONG DURATIONS OF CRITICALLY
LOW RELATIVE HUMIDITY LEVELS COUPLED WITH DRY FUELS AND HIGH 
DISPERSIONS.

FLZ017-027-127-240300-
/O.EXT.KTAE.FW.A.0042.121124T1700Z-121125T0000Z/
/O.CON.KTAE.FW.W.0055.000000T0000Z-121124T0000Z/
LEON-INLAND WAKULLA-COASTAL WAKULLA-
226 PM EST FRI NOV 23 2012

...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING FOR LEON AND WAKULLA COUNTIES...

...FIRE WEATHER WATCH IS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS CONTINUED A RED
FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7
PM EST THIS EVENING FOR LEON AND WAKULLA COUNTIES. IN ADDITION...A
FIRE WEATHER WATCH IS IN EFFECT FOR ALL OF NORTH FLORIDA AND 
SOUTHEAST ALABAMA ON SATURDAY.

* HUMIDITY...MINIMUM RELATIVE HUMIDITY 33 PERCENT THIS
  AFTERNOON...AROUND 20 PERCENT TOMORROW AFTERNOON.

* ERC...AROUND 37 BOTH TODAY AND SATURDAY.

* DISPERSION...75 TO 100 ON SATURDAY.

* IMPACTS...ANY FIRES THAT DEVELOP MAY 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.

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.

&&

$$

ALZ065>069-FLZ007>016-018-019-026-028-029-034-108-112-114-115-118-
128-134-240300-
/O.EXB.KTAE.FW.A.0042.121124T1700Z-121125T0000Z/
COFFEE-DALE-HENRY-GENEVA-HOUSTON-INLAND WALTON-CENTRAL WALTON-
HOLMES-WASHINGTON-JACKSON-INLAND BAY-CALHOUN-INLAND GULF-
INLAND FRANKLIN-GADSDEN-INLAND JEFFERSON-MADISON-LIBERTY-
INLAND TAYLOR-LAFAYETTE-INLAND DIXIE-SOUTH WALTON-COASTAL BAY-
COASTAL GULF-COASTAL FRANKLIN-COASTAL JEFFERSON-COASTAL TAYLOR-
COASTAL DIXIE-
226 PM EST FRI NOV 23 2012 /126 PM CST FRI NOV 23 2012/

...FIRE WEATHER WATCH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING FOR ALL OF NORTH FLORIDA AND SOUTHEAST ALABAMA...

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

* HUMIDITY...MINIMUM RELATIVE HUMIDITY AROUND 20 PERCENT.

* ERC...AROUND 37.

* DISPERSION...75 TO 100 ON SATURDAY.

* IMPACTS...ANY FIRES THAT DEVELOP MAY 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.

&&

$$

HARRIGAN
934 
WWUS82 KTAE 240026
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
726 PM EST FRI NOV 23 2012

...A FIRE WEATHER WATCH IS IN EFFECT FOR ALL OF NORTH FLORIDA AND
SOUTHEAST ALABAMA FROM SATURDAY AFTERNOON THROUGH SATURDAY
EVENING...

.A COLD FRONT WILL WILL PASS THE THROUGH THE AREA TONIGHT...AND A
REINFORCING SHOT OF DRY AIR WILL AGAIN ALLOW FOR LONG DURATIONS OF
CRITICALLY LOW RELATIVE HUMIDITY LEVELS COUPLED WITH DRY FUELS AND
HIGH DISPERSIONS.

FLZ017-027-127-241000-
/O.EXP.KTAE.FW.W.0055.000000T0000Z-121124T0000Z/
/O.CON.KTAE.FW.A.0042.121124T1700Z-121125T0000Z/
LEON-INLAND WAKULLA-COASTAL WAKULLA-
726 PM EST FRI NOV 23 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR LEON AND WAKULLA COUNTIES...


* HUMIDITY...MINIMUM RELATIVE HUMIDITY 33 PERCENT THIS 
  AFTERNOON...AROUND 20 PERCENT TOMORROW AFTERNOON. 

* ERC...AROUND 37 BOTH TODAY AND SATURDAY.

* DISPERSION...75 TO 100 ON SATURDAY.

* IMPACTS...ANY FIRES THAT DEVELOP MAY 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.

&&

$$

ALZ065>069-FLZ007>016-018-019-026-028-029-034-108-112-114-115-118-
128-134-241000-
/O.CON.KTAE.FW.A.0042.121124T1700Z-121125T0000Z/
COFFEE-DALE-HENRY-GENEVA-HOUSTON-INLAND WALTON-CENTRAL WALTON-
HOLMES-WASHINGTON-JACKSON-INLAND BAY-CALHOUN-INLAND GULF-
INLAND FRANKLIN-GADSDEN-INLAND JEFFERSON-MADISON-LIBERTY-
INLAND TAYLOR-LAFAYETTE-INLAND DIXIE-SOUTH WALTON-COASTAL BAY-
COASTAL GULF-COASTAL FRANKLIN-COASTAL JEFFERSON-COASTAL TAYLOR-
COASTAL DIXIE-
726 PM EST FRI NOV 23 2012 /626 PM CST FRI NOV 23 2012/

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SATURDAY EVENING FOR ALL OF NORTH FLORIDA AND SOUTHEAST
ALABAMA...

* HUMIDITY...MINIMUM RELATIVE HUMIDITY AROUND 20 PERCENT.

* ERC...AROUND 37.

* DISPERSION...75 TO 100 ON SATURDAY.

* IMPACTS...ANY FIRES THAT DEVELOP MAY 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 23, 3:20 AM ESTFire Weather WatchTAEBay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more25 hr
Nov 23, 3:52 AM ESTFreeze WatchTAEBay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more22 hr

Nearby

Red Flag Warnings in Florida, 2012Every red flag warning in 2012

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.