Alert archive / Florida / Red Flag Warnings in 2012

Red Flag Warning 50, NWS Tallahassee, FL

November 1, 201210 counties in Florida

NWS Tallahassee, FL issued this red flag warning at Nov 1, 2012, 1:46 PM CDT for 10 counties in Florida. It took effect at Nov 2, 2012, 1:00 PM CDT. It was in force for 5 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 1, 2012, 1:46 PM CDT (18:46 UTC)
In effect from
Nov 2, 2012, 1:00 PM CDT
Expired
Nov 2, 2012, 6:00 PM CDT
In force
5 hr
Issued by
NWS Tallahassee, FL

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

The radar

The Tallahassee radar (KTLH), 25 km from the middle of the area, began a volume at 18:44 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, 6.8 hours before the alert went out and 23 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 2012-11-01Temperature 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 2012-11-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1188 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
0 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.

007 
WWUS82 KTAE 011846
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
246 PM EDT THU NOV 1 2012

...A RED FLAG WARNING REMAINS IN EFFECT THIS AFTERNOON FOR THE
FLORIDA PANHANDLE AND BIG BEND FOR LOW HUMIDITY...HIGH ERC
AND HIGH DISPERSION VALUES...

...A RED FLAG WARNING IS NOW IN EFFECT FOR FRIDAY AFTERNOON 
INTO EARLY EVENING FOR MOST OF THE FLORIDA BIG BEND AND A PORTION
OF THE EASTERN PANHANDLE FOR SIMILAR REASONS...

.THE COMBINATION OF RECENT DRY CONDITIONS...LOW RELATIVE
HUMIDITY...LOW FUEL MOISTURE AND HIGH DISPERSION VALUES WILL
CONTINUE RED FLAG CONDITIONS ACROSS MUCH OF THE FLORIDA PANHANDLE
AND BIG BEND FOR THE REST OF THIS AFTERNOON. DISPERSIONS WILL
REMAIN HIGH ON FRIDAY AND DESPITE SLIGHTLY MORE AVAILABLE
MOISTURE...THE BIG BEND AND PORTIONS OF THE ADJACENT PANHANDLE
WILL PERSIST UNDER RED FLAG CONDITIONS. THEREFORE A WARNING WAS
ISSUED FOR THESE AREAS.

FLZ011-013-016>019-026>029-034-118-127-128-134-020300-
/O.NEW.KTAE.FW.W.0050.121102T1800Z-121102T2300Z/
/O.CON.KTAE.FW.W.0049.000000T0000Z-121102T0000Z/
JACKSON-CALHOUN-GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY-
INLAND WAKULLA-INLAND TAYLOR-LAFAYETTE-INLAND DIXIE-
COASTAL JEFFERSON-COASTAL WAKULLA-COASTAL TAYLOR-COASTAL DIXIE-
246 PM EDT THU NOV 1 2012 /146 PM CDT THU NOV 1 2012/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/
THIS EVENING... 
...RED FLAG WARNING IS IN EFFECT FROM 2 PM EDT /1 PM CDT/ TO 7 PM
EDT /6 PM CDT/ FRIDAY...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 2 PM EDT /1 PM CDT/ TO 7 PM EDT
/6 PM CDT/ FRIDAY. 

* 20 FT WIND: WEST 10 MPH OR LESS ON FRIDAY.

* ERC: MAXIMUM VALUES FROM 37 TO 46 ON FRIDAY.

* HUMIDITY: MINIMUM VALUES 30 TO 35 PERCENT ON FRIDAY.

* DISPERSION: MAXIMUM VALUES FROM 80 TO 98 ON FRIDAY.

* 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.

&&

$$

FLZ007>010-012-014-015-108-112-114-115-020000-
/O.CON.KTAE.FW.W.0049.000000T0000Z-121102T0000Z/
INLAND WALTON-CENTRAL WALTON-HOLMES-WASHINGTON-INLAND BAY-
INLAND GULF-INLAND FRANKLIN-SOUTH WALTON-COASTAL BAY-COASTAL GULF-
COASTAL FRANKLIN-
246 PM EDT THU NOV 1 2012 /146 PM CDT THU NOV 1 2012/

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

* 20 FT WIND: NORTHWEST AROUND 10 MPH.

* ERC: MAXIMUM VALUES FROM 37 TO 46.

* HUMIDITY: MINIMUM VALUES 25 TO 35 PERCENT...LASTING 4 TO 7 
  HOURS.

* DISPERSION: MAXIMUM VALUES FROM 75 TO 95.

* 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.

&&

$$

BLOCK
2 follow-up statements
148 
WWUS82 KTAE 020008
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
808 PM EDT THU NOV 1 2012

...A RED FLAG WARNING REMAINS IN EFFECT FOR FRIDAY AFTERNOON INTO
EARLY EVENING FOR MOST OF THE FLORIDA BIG BEND AND A PORTION OF
THE EASTERN PANHANDLE FOR SIMILAR REASONS...

.DISPERSIONS AND ERC VALUES WILL REMAIN HIGH ON FRIDAY AND DESPITE
SLIGHTLY MORE AVAILABLE MOISTURE...THE BIG BEND AND PORTIONS OF
THE ADJACENT PANHANDLE WILL PERSIST UNDER RED FLAG CONDITIONS.
THEREFORE A WARNING REMAINS FOR THESE AREAS.

FLZ011-013-016>019-026>029-034-118-127-128-134-021015-
/O.EXP.KTAE.FW.W.0049.000000T0000Z-121102T0000Z/
/O.CON.KTAE.FW.W.0050.121102T1800Z-121102T2300Z/
JACKSON-CALHOUN-GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY-
INLAND WAKULLA-INLAND TAYLOR-LAFAYETTE-INLAND DIXIE-
COASTAL JEFFERSON-COASTAL WAKULLA-COASTAL TAYLOR-COASTAL DIXIE-
808 PM EDT THU NOV 1 2012 /708 PM CDT THU NOV 1 2012/

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM EDT /1 PM CDT/ TO
7 PM EDT /6 PM CDT/ FRIDAY...

* 20 FT WIND: WEST 10 MPH OR LESS ON FRIDAY.

* ERC: MAXIMUM VALUES FROM 37 TO 46 ON FRIDAY.

* HUMIDITY: MINIMUM VALUES 30 TO 35 PERCENT ON FRIDAY.

* DISPERSION: MAXIMUM VALUES FROM 80 TO 98 ON FRIDAY.

* 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.

&&

$$

FLZ007>010-012-014-015-108-112-114-115-020115-
/O.EXP.KTAE.FW.W.0049.000000T0000Z-121102T0000Z/
INLAND WALTON-CENTRAL WALTON-HOLMES-WASHINGTON-INLAND BAY-
INLAND GULF-INLAND FRANKLIN-SOUTH WALTON-COASTAL BAY-COASTAL GULF-
COASTAL FRANKLIN-
808 PM EDT THU NOV 1 2012 /708 PM CDT THU NOV 1 2012/

...RED FLAG WARNING HAS EXPIRED...

$$
283 
WWUS82 KTAE 020905
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
505 AM EDT FRI NOV 2 2012

...A RED FLAG WARNING REMAINS IN EFFECT THIS AFTERNOON INTO
EARLY EVENING FOR MOST OF THE FLORIDA BIG BEND AND A PORTION OF
THE EASTERN PANHANDLE DUE TO A COMBINATION OF LOW RELATIVE HUMIDITY...
HIGH DISPERSION AND ERC VALUES AT OR ABOVE 20.

.ALTHOUGH THE AIRMASS WILL BEGIN TO MOISTEN TODAY...MINIMUM
RELATIVE HUMIDITIES ACROSS THE EASTERN TWO-THIRDS OF NORTH FLORIDA
WILL DROP BELOW CRITICAL LEVELS FOR SEVERAL HOURS. THIS COMBINED
WITH CONTINUED LOW FUEL MOISTURE AND HIGH DISPERSIONS HAS PROMPTED
THE ISSUANCE OF A RED FLAG WARNING FOR THIS AFTERNOON. THE AIRMASS
WILL MOISTEN ABOVE CRITICAL LEVELS OVER THE WEEKEND WITH NO RED
FLAG CONDITIONS EXPECTED AT LEAST INTO THE MIDDLE OF NEXT WEEK.

FLZ011-013-016>019-026>029-034-118-127-128-134-022300-
/O.CON.KTAE.FW.W.0050.121102T1800Z-121102T2300Z/
JACKSON-CALHOUN-GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY-
INLAND WAKULLA-INLAND TAYLOR-LAFAYETTE-INLAND DIXIE-
COASTAL JEFFERSON-COASTAL WAKULLA-COASTAL TAYLOR-COASTAL DIXIE-
505 AM EDT FRI NOV 2 2012 /405 AM CDT FRI NOV 2 2012/

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM EDT /1 PM CDT/
THIS AFTERNOON TO 7 PM EDT /6 PM CDT/ THIS EVENING...

* 20 FT WIND: WEST 10 MPH OR LESS.

* ERC: MAXIMUM VALUES FROM 37 TO 46.

* HUMIDITY: MINIMUM VALUES 30 TO 35 PERCENT.

* DISPERSION: MAXIMUM VALUE 82.

* 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.

&&

$$

BARRY

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 1, 2:22 AM CDTRed Flag WarningTAEBay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more17 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.