Alert archive / Florida / Red Flag Warnings in 2012

Red Flag Warning 25, NWS Tallahassee, FL

April 21, 2012Holmes County, Walton County, Florida

NWS Tallahassee, FL issued this red flag warning at Apr 21, 2012, 4:34 PM CDT for Holmes County, Walton County, Florida. It took effect at Apr 22, 2012, 1:00 PM CDT. It was in force for 6 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 21, 2012, 4:34 PM CDT (21:34 UTC)
In effect from
Apr 22, 2012, 1:00 PM CDT
Expired
Apr 22, 2012, 7:00 PM CDT
In force
6 hr
Issued by
NWS Tallahassee, FL

Counties Holmes County, FL, Walton County, FL

The radar

The Eglin Afb radar (KEVX), 21 km from the middle of the area, began a volume at 21:37 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.

What was reported inside it

TimeReportWhereRemark
Apr 22, 4:29 PM CDTNON-TSTM WND GST 411 Wnw Portland, FL41 MPH GUST MEASURED AT APRSWXNET SITE AU110 AT 429 PM CDT

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.6 hours before the alert went out and 166 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 2012-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 886 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 2012-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 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
886 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
611 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

267 
WWUS82 KTAE 212134
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
534 PM EDT SAT APR 21 2012

...RED FLAG WARNING IN EFFECT FOR PORTIONS OF THE FLORIDA
PANHANDLE SUNDAY AFTERNOON FOR LOW RELATIVE HUMIDITY...STRONG
WINDS...AND HIGH DISPERSION VALUES...

...ELSEWHERE...THE FIRE WEATHER WATCH THAT WAS ISSUED FOR PORTIONS OF THE
FLORIDA BIG BEND AND PANHANDLE FOR SUNDAY AFTERNOON HAS BEEN
CANCELLED... 

.A COLD FRONT MOVING THROUGH THE REGION TONIGHT WILL BRING MUCH
DRIER AIR SUNDAY...ALONG WITH WINDY CONDITIONS. THESE FACTORS HAVE
PROMPTED A RED FLAG WARNING ISSUANCE FOR PORTIONS OF THE FLORIDA
PANHANDLE WHERE ERC VALUES EXCEED 20.

FLZ010>013-016-026-112-212245-
/O.CAN.KTAE.FW.A.0021.120422T1800Z-120423T0000Z/
WASHINGTON-JACKSON-INLAND BAY-CALHOUN-GADSDEN-LIBERTY-COASTAL BAY-
534 PM EDT SAT APR 21 2012 /434 PM CDT SAT APR 21 2012/

...FIRE WEATHER WATCH IS CANCELLED FOR PORTIONS OF THE
FLORIDA BIG BEND AND PANHANDLE FOR SUNDAY AFTERNOON...

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

$$

FLZ007>009-108-221130-
/O.UPG.KTAE.FW.A.0021.120422T1800Z-120423T0000Z/
/O.NEW.KTAE.FW.W.0025.120422T1800Z-120423T0000Z/
INLAND WALTON-CENTRAL WALTON-HOLMES-SOUTH WALTON-
434 PM CDT SAT APR 21 2012

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 7 PM CDT SUNDAY FOR 
PORTIONS OF THE FLORIDA PANHANDLE...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM TO 7 PM CDT SUNDAY. 

* HUMIDITY...MINIMUM 30 PERCENT.

* DISPERSION...MAXIMUM AROUND 100.

* ERC...28 TO 32.

* IMPACTS...ANY FIRES THAT DEVELOP MAY SPREAD MORE RAPIDLY DUE TO
  THE STRONG WINDS AND LOW HUMIDITY. 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
3 follow-up statements
832 
WWUS82 KTAE 220751
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
351 AM EDT SUN APR 22 2012

...A RED FLAG WARNING REMAINS IN EFFECT FOR PORTIONS OF THE
FLORIDA PANHANDLE THIS AFTERNOON FOR LOW RELATIVE HUMIDITY...
STRONG SUSTAINED 20 FOOT WINDS AND HIGH DISPERSION VALUES...

...A FIRE WEATHER WATCH IS NOW IN EFFECT FOR ALL OF THE FLORIDA
EASTERN PANHANDLE AND BIG BEND FOR MONDAY AFTERNOON AND EVENING
THESE SAME FACTORS...

.A LOW AND ASSOCIATED COLD FRONT WILL EXIT THE REGION OVERNIGHT.
IN ITS WAKE...MUCH DRIER AIR WILL OVERSPREAD THE LOCAL AREA FROM
WEST TO EAST. ALSO...WITH THE AREA LYING BETWEEN THE DEPARTING LOW
AND HIGH BUILDING TO OUR WEST...EXPECT VERY STRONG OFFSHORE WINDS
ALONG WITH HIGH DISPERSIONS INTO MONDAY. THIS WILL GENERATE RED
FLAG CONDITIONS ACROSS THE WESTERN MOST PANHANDLE COUNTIES LATER
TODAY SPREADING TO ALL OF OUR FLORIDA COUNTIES ON MONDAY.

ON MONDAY ACROSS SOUTHEAST ALABAMA...SUSTAINED 20 FOOT WINDS OF
OF 20 MPH OR GREATER CONCURRENT WITH HUMIDITIES OF 25 PERCENT MAY
BE APPROACHED. LIKEWISE...ACROSS PORTIONS OF SOUTHERN GEORGIA...
MINIMUM HUMIDITIES OF 25 PERCENT AND SURFACE WINDS OF 15 MPH OR
GREATER WILL LIKELY BE REALIZED. HOWEVER 10HR FUEL MOISTURE VALUES
ARE PROJECTED TO REMAIN ABOVE 6 PERCENT. THESE AREAS WILL BE
CLOSELY MONITORED SHOULD CONDITIONS NECESSITATE A WATCH OR
WARNING. 

FLZ007>009-108-221700-
/O.NEW.KTAE.FW.A.0022.120423T1700Z-120424T0100Z/
/O.CON.KTAE.FW.W.0025.120422T1800Z-120423T0000Z/
INLAND WALTON-CENTRAL WALTON-HOLMES-SOUTH WALTON-
251 AM CDT SUN APR 22 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM CDT THIS EVENING FOR PORTIONS OF THE FLORIDA PANHANDLE...

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

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

* WIND...15 TO 20 MPH EACH DAY. 

* HUMIDITY...MINIMUM 30 PERCENT TODAY...25 TO 30 PERCENT ON MONDAY. 

* DISPERSION...MAXIMUM 80 TO 100 TODAY...76 TO 82 ON MONDAY.

* ERC...28 TO 32.

* IMPACTS...ANY FIRES THAT DEVELOP MAY SPREAD MORE RAPIDLY DUE 
  TO THE STRONG WINDS AND LOW HUMIDITY. 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>019-026>029-034-112-114-115-118-127-128-134-221700-
/O.NEW.KTAE.FW.A.0022.120423T1700Z-120424T0100Z/
WASHINGTON-JACKSON-INLAND BAY-CALHOUN-INLAND GULF-INLAND FRANKLIN-
GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY-INLAND WAKULLA-
INLAND TAYLOR-LAFAYETTE-INLAND DIXIE-COASTAL BAY-COASTAL GULF-
COASTAL FRANKLIN-COASTAL JEFFERSON-COASTAL WAKULLA-COASTAL TAYLOR-
COASTAL DIXIE-
351 AM EDT SUN APR 22 2012 /251 AM CDT SUN APR 22 2012/

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

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

* WIND...15 TO 20 MPH. 

* HUMIDITY...25 TO 30 PERCENT. 

* DISPERSION...MAXIMUM 80 TO 90.

* 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.

&&

$$

BLOCK
367 
WWUS82 KTAE 220754
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
354 AM EDT SUN APR 22 2012

...A RED FLAG WARNING REMAINS IN EFFECT FOR PORTIONS OF THE
FLORIDA PANHANDLE THIS AFTERNOON FOR LOW RELATIVE HUMIDITY...
STRONG SUSTAINED 20 FOOT WINDS AND HIGH DISPERSION VALUES...

...A FIRE WEATHER WATCH IS NOW IN EFFECT FOR ALL OF THE FLORIDA
EASTERN PANHANDLE AND BIG BEND FOR MONDAY AFTERNOON AND EVENING
THESE SAME FACTORS...

.A LOW AND ASSOCIATED COLD FRONT WILL EXIT THE REGION OVERNIGHT.
IN ITS WAKE...MUCH DRIER AIR WILL OVERSPREAD THE LOCAL AREA FROM
WEST TO EAST. ALSO...WITH THE AREA LYING BETWEEN THE DEPARTING
LOW AND HIGH BUILDING TO OUR WEST...EXPECT VERY STRONG OFFSHORE
WINDS ALONG WITH HIGH DISPERSIONS INTO MONDAY. THIS WILL GENERATE
RED FLAG CONDITIONS ACROSS THE WESTERN MOST PANHANDLE COUNTIES
LATER TODAY SPREADING TO ALL OF OUR FLORIDA COUNTIES ON MONDAY.

ON MONDAY ACROSS SOUTHEAST ALABAMA...SUSTAINED 20 FOOT WINDS OF
OF 20 MPH OR GREATER CONCURRENT WITH HUMIDITIES OF 25 PERCENT MAY
BE APPROACHED. LIKEWISE...ACROSS PORTIONS OF SOUTHERN GEORGIA...
MINIMUM HUMIDITIES OF 25 PERCENT AND SURFACE WINDS OF 15 MPH OR
GREATER WILL LIKELY BE REALIZED. HOWEVER 10HR FUEL MOISTURE
VALUES ARE PROJECTED TO REMAIN ABOVE 6 PERCENT. THESE AREAS WILL
BE CLOSELY MONITORED SHOULD CONDITIONS NECESSITATE A WATCH OR
WARNING.

FLZ007>009-108-222015-
/O.CON.KTAE.FW.W.0025.120422T1800Z-120423T0000Z/
/O.CON.KTAE.FW.A.0022.120423T1700Z-120424T0100Z/
INLAND WALTON-CENTRAL WALTON-HOLMES-SOUTH WALTON-
254 AM CDT SUN APR 22 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM CDT THIS EVENING FOR PORTIONS OF THE FLORIDA PANHANDLE...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH MONDAY EVENING FOR PORTIONS OF THE FLORIDA PANHANDLE...

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

* WIND...15 TO 20 MPH EACH DAY.

* HUMIDITY...MINIMUM 30 PERCENT TODAY...25 TO 30 PERCENT ON
  MONDAY.

* DISPERSION...MAXIMUM 80 TO 100 TODAY...76 TO 82 ON MONDAY.

* ERC...28 TO 32.

* IMPACTS...ANY FIRES THAT DEVELOP MAY SPREAD MORE RAPIDLY DUE 
  TO THE STRONG WINDS AND LOW HUMIDITY. 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>019-026>029-034-112-114-115-118-127-128-134-222015-
/O.CON.KTAE.FW.A.0022.120423T1700Z-120424T0100Z/
WASHINGTON-JACKSON-INLAND BAY-CALHOUN-INLAND GULF-INLAND FRANKLIN-
GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY-INLAND WAKULLA-
INLAND TAYLOR-LAFAYETTE-INLAND DIXIE-COASTAL BAY-COASTAL GULF-
COASTAL FRANKLIN-COASTAL JEFFERSON-COASTAL WAKULLA-COASTAL TAYLOR-
COASTAL DIXIE-
354 AM EDT SUN APR 22 2012 /254 AM CDT SUN APR 22 2012/

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH MONDAY EVENING FOR...

* WIND...15 TO 20 MPH.

* HUMIDITY...25 TO 30 PERCENT.

* DISPERSION...MAXIMUM 80 TO 90.

* 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.

&&

$$

BLOCK
484 
WWUS82 KTAE 222109
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
509 PM EDT SUN APR 22 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR PORTIONS OF THE FLORIDA PANHANDLE FOR LOW RELATIVE
HUMIDITY...HIGH DISPERSION...AND RELATIVELY STRONG WINDS...

...RED FLAG WARNING IN EFFECT FOR THE FLORIDA PANHANDLE AND BIG
BEND MONDAY AFTERNOON FOR LOW RELATIVE HUMIDITY...HIGH
DISPERSION...AND RELATIVELY STRONG WINDS...

.DRY AND WINDY CONDITIONS WILL CONTINUE THROUGH MONDAY AS AN AREA
OF HIGH PRESSURE BUILDS ACROSS THE SOUTHEAST U.S. BEHIND A COLD
FRONT.

FLZ007>009-108-231130-
/O.UPG.KTAE.FW.A.0022.120423T1700Z-120424T0100Z/
/O.NEW.KTAE.FW.W.0026.120423T1700Z-120424T0100Z/
/O.CON.KTAE.FW.W.0025.000000T0000Z-120423T0000Z/
INLAND WALTON-CENTRAL WALTON-HOLMES-SOUTH WALTON-
409 PM CDT SUN APR 22 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR PORTIONS OF THE FLORIDA PANHANDLE...

...RED FLAG WARNING IN EFFECT FROM NOON CDT TO 8 PM CDT MONDAY
FOR THE FLORIDA PANHANDLE AND BIG BEND...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 8 PM CDT MONDAY. 

* WIND...15 TO 20 MPH WITH HIGHER GUSTS TODAY AND MONDAY.

* HUMIDITY...MINIMUM 25 PERCENT TODAY AND MONDAY AFTERNOON.

* DISPERSION...MAXIMUM AROUND 80 TODAY AND MONDAY.

* ERC...AROUND 29 TODAY...35 ON MONDAY. 

* IMPACTS...ANY FIRES THAT DEVELOP WILL SPREAD MORE RAPIDLY DUE TO
  THE STRONG WINDS AND LOW HUMIDITY. 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. THESE CONDITIONS WILL 
ENHANCE FIRE GROWTH POTENTIAL.

&&

$$

FLZ010>019-026>029-034-112-114-115-118-127-128-134-231130-
/O.UPG.KTAE.FW.A.0022.120423T1700Z-120424T0100Z/
/O.NEW.KTAE.FW.W.0026.120423T1700Z-120424T0100Z/
WASHINGTON-JACKSON-INLAND BAY-CALHOUN-INLAND GULF-INLAND FRANKLIN-
GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY-INLAND WAKULLA-
INLAND TAYLOR-LAFAYETTE-INLAND DIXIE-COASTAL BAY-COASTAL GULF-
COASTAL FRANKLIN-COASTAL JEFFERSON-COASTAL WAKULLA-COASTAL TAYLOR-
COASTAL DIXIE-
509 PM EDT SUN APR 22 2012 /409 PM CDT SUN APR 22 2012/

...RED FLAG WARNING IN EFFECT FROM 1 PM EDT /NOON CDT/ TO 9 PM
EDT /8 PM CDT/ MONDAY FOR THE FLORIDA PANHANDLE AND BIG
BEND...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM EDT /NOON CDT/ TO 9 PM EDT
/8 PM CDT/ MONDAY. 

* WIND...15 TO 20 MPH WITH HIGHER GUSTS TODAY AND MONDAY.

* HUMIDITY...MINIMUM AROUND 25 PERCENT MONDAY AFTERNOON.

* DISPERSION...MAXIMUM 75 TO 90 MONDAY AFTERNOON.

* ERC...25 TO 35...DEPENDING ON RECENT RAINFALL AMOUNTS. 

* IMPACTS...ANY FIRES THAT DEVELOP WILL SPREAD MORE RAPIDLY DUE TO
  THE STRONG WINDS AND LOW HUMIDITY. 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. THESE CONDITIONS WILL 
ENHANCE FIRE GROWTH POTENTIAL.

&&

$$

FOURNIER

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 3:15 AM CDTSmall Craft AdvisoryTAE72 hr
Apr 21, 11:59 AM CDTSpecial Marine WarningTAE46 min
Apr 21, 12:42 PM CDTSevere Thunderstorm WarningTAEMadison33 min
Apr 21, 12:49 PM CDTSpecial Marine WarningTAE26 min
Apr 21, 12:50 PM CDTSevere Thunderstorm WarningTAEFranklin, Liberty, Wakulla25 min
Apr 21, 1:13 PM CDTSpecial Marine WarningTAE47 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.