Alert archive / Florida / Red Flag Warnings in 2012

Red Flag Warning 41, NWS Tallahassee, FL

September 23, 20125 counties in Florida

NWS Tallahassee, FL issued this red flag warning at Sep 23, 2012, 5:44 AM CDT for 5 counties in Florida. It took effect at Sep 23, 2012, 12:00 PM CDT. It was in force for 7 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
Sep 23, 2012, 5:44 AM CDT (10:44 UTC)
In effect from
Sep 23, 2012, 12:00 PM CDT
Expired
Sep 23, 2012, 7:00 PM CDT
In force
7 hr
Issued by
NWS Tallahassee, FL

Counties Bay County, FL, Leon County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL

The radar

The Eglin Afb radar (KEVX), 69 km from the middle of the area, began a volume at 10:46 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 00:00Z, 10.7 hours before the alert went out and 89 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 00:00Z on 2012-09-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 691 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 00:00Z on 2012-09-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
691 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
1580 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
-27 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.

636 
WWUS82 KTAE 231044
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
644 AM EDT SUN SEP 23 2012

...A RED FLAG WARNING IS NOW IN EFFECT FROM 1 PM EDT /NOON CDT/ 
THIS AFTERNOON TO 8 PM EDT /7 PM CDT/ THIS EVENING ACROSS MUCH 
OF THE WESTERN FLORIDA PANHANDLE AND LEON AND WAKULLA COUNTIES 
IN THE FLORIDA BIG BEND...

...A FIRE WEATHER WATCH IS NOW IN EFFECT FROM MONDAY MORNING 
INTO MONDAY EVENING ACROSS A FEW COUNTIES IN THE FLORIDA 
PANHANDLE...

.MUCH DRIER AIR WILL POUR INTO THE REGION FROM THE NORTHWEST
BEHIND THE COLD FRONT WHICH IS MOVING THROUGH THE TRI-STATE AREA
TODAY. THIS DRY AIR IS EXPECTED TO DROP RELATIVE HUMIDITIES TO
BELOW CRITICAL THRESHOLDS OVER MUCH OF THE CWA FOR BOTH TODAY AND
MONDAY AFTERNOON. HOWEVER...THE OTHER NECESSARY PARAMETERS ARE
EXPECTED TO JUST FALL SHORT OVER OUR SOUTHEAST ALABAMA AND
SOUTHWEST AND SOUTH CENTRAL GEORGIA ZONES TODAY AND MONDAY. ACROSS
PARTS OF THE FLORIDA BIG BEND AND PANHANDLE...HOWEVER...LOW
AFTERNOON RELATIVE HUMIDITIES WILL COMBINE WITH ERCS ABOVE 20 AND
DISPERSIONS GREATER THAN 75 TO PROMPT THE ISSUANCE OF A RED FLAG
WARNING ACROSS 5 COUNTIES TODAY...AND A FIRE WEATHER WATCH FOR 3
COUNTIES ON MONDAY. HOWEVER...IF THE MUCH DRIER WEATHER HAS PLENTY
OF INFLUENCE TODAY...A LARGER WATCH OR WARNING MAY BE NEEDED FOR
MONDAY AS ERCS COULD BECOME ELEVATED.


FLZ007-008-010-012-240030-
/O.NEW.KTAE.FW.W.0041.120923T1700Z-120924T0000Z/
/O.NEW.KTAE.FW.A.0033.120924T1600Z-120925T0100Z/
INLAND WALTON-CENTRAL WALTON-WASHINGTON-INLAND BAY-
544 AM CDT SUN SEP 23 2012

...A RED FLAG WARNING IS NOW IN EFFECT FROM NOON TODAY TO 7 PM
CDT THIS EVENING FOR FIRE WEATHER ZONES 007...008... 010 AND
012... 

...A FIRE WEATHER WATCH IS NOW IN EFFECT FROM MONDAY MORNING
INTO MONDAY EVENING FOR OR FIRE WEATHER ZONES 007... 008...010
AND 012...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE
WEATHER WATCH IS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONES 007...008...010 AND 012. 

* WIND...NORTH AROUND 10 MPH WITH HIGHER GUSTS TODAY...AND NORTH TO
  NORTHEAST AT 5 TO 10 MPH ON MONDAY.

* HUMIDITY...25 PERCENT MINIMUMS TODAY TO 20 PERCENT ON MONDAY.

* 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.

&&

$$

FLZ017-027-108-112-127-240000-
/O.NEW.KTAE.FW.W.0041.120923T1700Z-120924T0000Z/
LEON-INLAND WAKULLA-SOUTH WALTON-COASTAL BAY-COASTAL WAKULLA-
644 AM EDT SUN SEP 23 2012 /544 AM CDT SUN SEP 23 2012/

...A RED FLAG WARNING IS NOW IN EFFECT FROM 1 PM EDT /NOON CDT/
THIS AFTERNOON TO 8 PM EDT /7 PM CDT/ THIS EVENING FOR FOR FIRE
WEATHER ZONES 017...027...108...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/ THIS
AFTERNOON TO 8 PM EDT /7 PM CDT/ THIS EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONES 017...027...108...112 AND 
  127. 

* WIND...NORTH AROUND 10 MPH WITH HIGHER GUSTS TODAY AND NORTH
  AROUND 5 MPH ON MONDAY.

* HUMIDITY...25 PERCENT MINIMUMS TODAY TO 19 PERCENT ON MONDAY.

* 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.

&&

$$

17-GOULD
2 follow-up statements
281 
WWUS82 KTAE 231827
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
227 PM EDT SUN SEP 23 2012

...RED FLAG WARNING REMAINS IN EFFECT SUNDAY AFTERNOON FOR DRY CONDITIONS
AND HIGH DISPERSION VALUES FOR PORTIONS OF THE FLORIDA PANHANDLE
AND BIG BEND...

...FIRE WEATHER WATCH REMAINS IN EFFECT FOR MONDAY AFTERNOON FOR
PORTIONS OF THE FLORIDA PANHANDLE FOR SIMILAR CONDITIONS...

.LOW RELATIVE HUMIDITY AND RECENT DRY WEATHER WILL CREATE
CONDITIONS THAT ARE NEAR OR AT LOCAL RED FLAG CRITERIA THROUGH
MONDAY... 

FLZ007-008-010-012-241130-
/O.CON.KTAE.FW.W.0041.000000T0000Z-120924T0000Z/
/O.CON.KTAE.FW.A.0033.120924T1600Z-120925T0100Z/
INLAND WALTON-CENTRAL WALTON-WASHINGTON-INLAND BAY-
127 PM CDT SUN SEP 23 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY EVENING...

A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING. A FIRE WEATHER WATCH IS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY EVENING.

* WIND...NORTH AROUND 10 MPH WITH HIGHER GUSTS TODAY...AND NORTH
  TO NORTHEAST AT 5 TO 10 MPH ON MONDAY. 

* HUMIDITY...AROUND 25 PERCENT MINIMUMS TODAY...20 TO 25 PERCENT
  MONDAY AFTERNOON.

* IMPACTS...ANY FIRES THAT DEVELOP MAY 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.

&&

$$

FLZ017-027-108-112-127-240000-
/O.CON.KTAE.FW.W.0041.000000T0000Z-120924T0000Z/
LEON-INLAND WAKULLA-SOUTH WALTON-COASTAL BAY-COASTAL WAKULLA-
227 PM EDT SUN SEP 23 2012 /127 PM CDT SUN SEP 23 2012/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/
THIS EVENING...

A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING. A FIRE WEATHER WATCH IS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY EVENING.

* WIND...NORTH AROUND 10 MPH WITH HIGHER GUSTS TODAY...AND NORTH
  TO NORTHEAST AT 5 TO 10 MPH ON MONDAY. 

* HUMIDITY...AROUND 25 PERCENT MINIMUMS TODAY...20 TO 25 PERCENT
  MONDAY AFTERNOON.

* IMPACTS...ANY FIRES THAT DEVELOP MAY 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.

&&

$$

FOURNIER
596 
WWUS82 KTAE 240010
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
810 PM EDT SUN SEP 23 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FOR MONDAY AFTERNOON FOR
PORTIONS OF THE FLORIDA PANHANDLE FOR A COMBINATION OF LOW
RELATIVE HUMIDITY VALUES AND THE POSSIBILITY OF HIGH
DISPERSIONS...

FLZ007-008-010-012-241100-
/O.EXP.KTAE.FW.W.0041.000000T0000Z-120924T0000Z/
/O.CON.KTAE.FW.A.0033.120924T1600Z-120925T0100Z/
INLAND WALTON-CENTRAL WALTON-WASHINGTON-INLAND BAY-
710 PM CDT SUN SEP 23 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY EVENING...

* WIND...NORTH TO NORTHEAST AT 5 TO 10 MPH ON MONDAY.

* HUMIDITY...MINIMUM 20 TO 25 PERCENT ON MONDAY AFTERNOON.

* DISPERSIONS...POSSIBLY NEAR 75.

* 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.

&&

$$

FLZ017-027-108-112-127-240115-
/O.EXP.KTAE.FW.W.0041.000000T0000Z-120924T0000Z/
LEON-INLAND WAKULLA-SOUTH WALTON-COASTAL BAY-COASTAL WAKULLA-
810 PM EDT SUN SEP 23 2012 /710 PM CDT SUN SEP 23 2012/

...RED FLAG WARNING HAS EXPIRED...


$$

DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 23, 5:44 AM CDTFire Weather WatchTAEBay, Walton, Washington21 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.