Alert archive / Florida / Red Flag Warnings in 2012

Red Flag Warning 14, NWS Tallahassee, FL

March 4, 201216 counties in Florida

NWS Tallahassee, FL issued this red flag warning at Mar 4, 2012, 2:39 PM CST for 16 counties in Florida. It took effect at Mar 5, 2012, 11:00 AM CST. 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
Mar 4, 2012, 2:39 PM CST (20:39 UTC)
In effect from
Mar 5, 2012, 11:00 AM CST
Expired
Mar 5, 2012, 6:00 PM CST
In force
7 hr
Issued by
NWS Tallahassee, FL

Counties Bay County, FL, Calhoun County, FL, Dixie County, FL, Franklin County, FL, Gadsden County, FL, Gulf 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, Walton County, FL, Washington County, FL

The radar

The Tallahassee radar (KTLH), 32 km from the middle of the area, began a volume at 20:41 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, 8.7 hours before the alert went out and 35 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 2012-03-04Temperature 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 2012-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -460 square meters per square second.1939587897117136Sfc1 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
1439 m above ground
0-6 km bulk shear
122 kt
0-1 km storm-relative helicity
-460 m²/s²
0-3 km storm-relative helicity
-387 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.

901 
WWUS82 KTAE 042039
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
339 PM EST SUN MAR 4 2012

...A RED FLAG WARNING CONTINUES UNTIL 6 PM CST /7 PM EST/ THIS 
EVENING FOR ALL OF THE FLORIDA EASTERN PANHANDLE AND THE BIG BEND 
DUE TO CRITICALLY LOW RELATIVE HUMIDITY COMBINED WITH VERY HIGH
DISPERSIONS AND SUSTAINED 20 FOOT WINDS OF AT LEAST 15 MPH...

...A RED FLAG WARNING CONTINUES UNTIL 5 PM CST /6 PM EST/ THIS
EVENING FOR SOUTHEAST ALABAMA AND SOUTHWEST AND SOUTH CENTRAL
GEORGIA FOR LONG DURATIONS OF LOW RELATIVE HUMIDITY AND SUSTAINED
OR GUSTY WINDS ABOVE CRITICAL LEVELS...

...A RED FLAG WARNING IS NOW IN EFFECT FROM NOON EST /11 AM CST/
TO 7 PM EST /6 PM CST/ MONDAY FOR ALL OF THE FLORIDA PANHANDLE AND
BIG BEND DUE TO A COMBINATION OF CRITICALLY LOW RELATIVE HUMIDITY
AND FORECAST DISPERSION INDICES AT OR ABOVE 75...

.A DRY AIRMASS WILL CONTINUE ACROSS THE REGION ON MONDAY. THE
COMBINATION OF LOW RELATIVE HUMIDITY AND HIGH DISPERSIONS WILL
ONCE AGAIN MEET RED FLAG CONDITIONS ACROSS NORTH FLORIDA. MINIMUM
AFTERNOON RELATIVE HUMIDITIES ARE FORECAST TO DROP BELOW CRITICAL
LEVELS FOR 2 TO 3 HOURS ACROSS OUR GEORGIA AND ALABAMA COUNTIES ON
MONDAY. THIS WILL BE MONITORED CLOSELY FOR ANY CHANGES TO THE
FORECAST BUT FOR NOW THERE WILL NOT BE A WATCH OR WARNING IN
EFFECT.

FLZ007>019-026>029-034-108-112-114-115-118-127-128-134-050830-
/O.UPG.KTAE.FW.A.0014.120305T1700Z-120306T0000Z/
/O.NEW.KTAE.FW.W.0014.120305T1700Z-120306T0000Z/
/O.CON.KTAE.FW.W.0013.000000T0000Z-120304T2300Z/
INLAND WALTON-CENTRAL WALTON-HOLMES-WASHINGTON-JACKSON-INLAND BAY-
CALHOUN-INLAND GULF-INLAND FRANKLIN-GADSDEN-LEON-INLAND JEFFERSON-
MADISON-LIBERTY-INLAND WAKULLA-INLAND TAYLOR-LAFAYETTE-
INLAND DIXIE-SOUTH WALTON-COASTAL BAY-COASTAL GULF-
COASTAL FRANKLIN-COASTAL JEFFERSON-COASTAL WAKULLA-COASTAL TAYLOR-
COASTAL DIXIE-
339 PM EST SUN MAR 4 2012 /239 PM CST SUN MAR 4 2012/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST /5 PM CST/
THIS EVENING FOR THE FLORIDA BIG BEND AND PANHANDLE...

...RED FLAG WARNING IN EFFECT FROM NOON EST /11 AM CST/ TO 7 PM
EST /6 PM CST/ MONDAY FOR |..

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON EST /11 AM CST/ TO 7 PM
EST /6 PM CST/ MONDAY. 

* HUMIDITY...MINIMUM VALUES AROUND 20 PERCENT.

* DISPERSIONS...UP TO 120 TODAY AND MONDAY.

* WIND...NORTHWEST 15 TO 20 MPH WITH GUSTS OF 25 TO 30 MPH TODAY
  AND NORTHWEST 10 TO 15 MPH WITH GUSTS OF 20 MPH MONDAY.

* IMPACTS...ANY FIRES THAT DEVELOP COULD 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.

&&

$$

ALZ065>069-GAZ120>131-142>148-155>161-042300-
/O.CON.KTAE.FW.W.0013.000000T0000Z-120304T2300Z/
COFFEE-DALE-HENRY-GENEVA-HOUSTON-QUITMAN-CLAY-RANDOLPH-CALHOUN-
TERRELL-DOUGHERTY-LEE-WORTH-TURNER-TIFT-BEN HILL-IRWIN-EARLY-
MILLER-BAKER-MITCHELL-COLQUITT-COOK-BERRIEN-SEMINOLE-DECATUR-
GRADY-THOMAS-BROOKS-LOWNDES-LANIER-
339 PM EST SUN MAR 4 2012 /239 PM CST SUN MAR 4 2012/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM EST /5 PM CST/
THIS EVENING FOR SOUTHEAST ALABAMA AND SOUTH GEORGIA...

* HUMIDITY...MINIMUM VALUES AROUND 20 PERCENT.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

* WIND...NORTHWEST 15 TO 20 MPH WITH GUSTS OF 25 TO 30 MPH TODAY
  AND NORTHWEST 10 TO 15 MPH WITH GUSTS OF 20 MPH MONDAY.

* IMPACTS...ANY FIRES THAT DEVELOP COULD 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
2 follow-up statements
711 
WWUS82 KTAE 050806
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
306 AM EST MON MAR 5 2012

...A RED FLAG WARNING REMAINS IN EFFECT FROM NOON EST /11 AM CST/
TO 7 PM EST /6 PM CST/ TODAY FOR ALL OF THE FLORIDA PANHANDLE AND
BIG BEND DUE TO A COMBINATION OF CRITICALLY LOW RELATIVE HUMIDITY
AND FORECAST DISPERSION INDICES ABOVE 75...

.A DRY AIRMASS WILL CONTINUE ACROSS THE REGION TODAY. THE
COMBINATION OF LOW RELATIVE HUMIDITY AND HIGH DISPERSIONS WILL
ONCE AGAIN MEET RED FLAG CONDITIONS ACROSS NORTH FLORIDA. MINIMUM
AFTERNOON RELATIVE HUMIDITIES ARE FORECAST TO DROP BELOW CRITICAL
LEVELS FOR 2 TO 3 HOURS ACROSS OUR GEORGIA AND ALABAMA COUNTIES.
THIS WILL BE MONITORED CLOSELY FOR ANY CHANGES TO THE FORECAST
THAT MAY NECESSITATE A WARNING. THE AIR MASS WILL BEGIN TO MOISTEN
UP ON TUESDAY AND RED FLAG CONDITIONS ARE NOT ANTICIPATED THROUGH
THE UPCOMING WEEKEND.


FLZ007>019-026>029-034-108-112-114-115-118-127-128-134-052215-
/O.CON.KTAE.FW.W.0014.120305T1700Z-120306T0000Z/
INLAND WALTON-CENTRAL WALTON-HOLMES-WASHINGTON-JACKSON-INLAND BAY-
CALHOUN-INLAND GULF-INLAND FRANKLIN-GADSDEN-LEON-INLAND JEFFERSON-
MADISON-LIBERTY-INLAND WAKULLA-INLAND TAYLOR-LAFAYETTE-
INLAND DIXIE-SOUTH WALTON-COASTAL BAY-COASTAL GULF-
COASTAL FRANKLIN-COASTAL JEFFERSON-COASTAL WAKULLA-COASTAL TAYLOR-
COASTAL DIXIE-
306 AM EST MON MAR 5 2012 /206 AM CST MON MAR 5 2012/

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON EST /11 AM CST/
TODAY TO 7 PM EST /6 PM CST/ THIS EVENING FOR THE FLORIDA BIG
BEND AND PANHANDLE...

* HUMIDITY...MINIMUM VALUES IN THE LOW 20S.

* DISPERSIONS...FROM THE 80S IN THE PANHANDLE UP TO 120 IN THE BIG
  BEND.

* WIND...NORTHWEST 10 TO 15 MPH WITH GUSTS OF 20 MPH.

* IMPACTS...ANY FIRES THAT DEVELOP COULD 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
627 
WWUS82 KTAE 052040
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
340 PM EST MON MAR 5 2012

...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EST /6 PM CST/ 
THIS EVENING FOR ALL OF THE FLORIDA PANHANDLE AND BIG BEND DUE TO 
A COMBINATION OF LOW RELATIVE HUMIDITIES...HIGH DISPERSIONS...AND 
STRONG 20 FOOT WIND SPEEDS...

...A RED FLAG WARNING IS NOW IN EFFECT FROM NOON EST /11 AM CST/ 
TO 6 PM EST /5 PM CST/ TUESDAY FOR ALL OF THE FLORIDA PANHANDLE 
AND BIG BEND (EXCEPT FOR COASTAL GULF AND COASTAL FRANKLIN 
COUNTIES)...DUE TO RELATIVE HUMIDITY BELOW 35 PERCENT IN CONJUNCTION 
WITH DISPERSIONS GREATER THAN 75...

.THE RED FLAG WARNING FOR ALL OF THE FLORIDA BIG BEND AND
PANHANDLE IS WELL ON TRACK FOR VERIFICATION TODAY DUE TO LONG
DURATIONS OF LOW RELATIVE HUMIDITY...COMBINED HIGH DISPERSIONS AND
STRONG 20 FOOT WIND SPEEDS. OVER SOUTHEAST ALABAMA AND SOUTHWEST
AND SOUTH CENTRAL GEORGIA...THE NORTHERN TIER (ABOUT 1/3) OF THE
REGION HAS DROPPED BELOW 25 PERCENT RELATIVE HUMIDITY THIS
AFTERNOON...BUT 4 HOUR DURATIONS ARE IN QUESTION... AND THE
SUSTAINED 20 FOOT WIND SPEEDS OR FREQUENT GUSTS ARE NOT EXPECTED
TO MATERIALIZE TO PRODUCE RED FLAG CONDITIONS. ON TUESDAY...THERE
WILL BE NO CONCERNS FOR OUR AL AND GA ZONES... BUT WILL ISSUE A
RED FLAG WARNING FOR ALL OF THE FLORIDA BIG BEND AND PANHANDLE
(EXCEPT FOR COASTAL GULF AND COASTAL FRANKLIN COUNTIES) DUE TO
RELATIVE HUMIDITY BELOW 35 PERCENT IN CONJUNCTION WITH DISPERSIONS
GREATER THAN 75. FOR THE REMAINDER OF THE WEEK AND UPCOMING
WEEKEND...RETURN FLOW MOISTURE SHOULD PREVENT ANY FURTHER RED FLAG
CONCERNS.


FLZ007>019-026>029-034-108-112-118-127-128-134-060100-
/O.NEW.KTAE.FW.W.0015.120306T1700Z-120306T2300Z/
/O.CON.KTAE.FW.W.0014.000000T0000Z-120306T0000Z/
INLAND WALTON-CENTRAL WALTON-HOLMES-WASHINGTON-JACKSON-INLAND BAY-
CALHOUN-INLAND GULF-INLAND FRANKLIN-GADSDEN-LEON-INLAND JEFFERSON-
MADISON-LIBERTY-INLAND WAKULLA-INLAND TAYLOR-LAFAYETTE-
INLAND DIXIE-SOUTH WALTON-COASTAL BAY-COASTAL JEFFERSON-
COASTAL WAKULLA-COASTAL TAYLOR-COASTAL DIXIE-
340 PM EST MON MAR 5 2012 /240 PM CST MON MAR 5 2012/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EST /6 PM CST/
THIS EVENING... 

...A RED FLAG WARNING IN EFFECT FROM NOON EST /11 AM CST/ TO 6 PM
EST /5 PM CST/ TUESDAY... 

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON EST /11 AM CST/ TO 6 PM
EST /5 PM CST/ TUESDAY. 

* HUMIDITY...MINIMUM VALUES IN THE LOWER 20S THIS AFTERNOON AND 
  28 TO 33 PERCENT TUESDAY AFTERNOON.

* DISPERSIONS...GREATER THAN 75 EACH AFTERNOON.

* WIND...NORTHWEST 10 TO 15 MPH AND GUSTY TODAY...AND EAST AROUND
  10 MPH ON TUESDAY.

* IMPACTS...ANY FIRES THAT DEVELOP COULD 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.

&&

$$

FLZ114-115-060000-
/O.CON.KTAE.FW.W.0014.000000T0000Z-120306T0000Z/
COASTAL GULF-COASTAL FRANKLIN-
340 PM EST MON MAR 5 2012

...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS
EVENING... 

* HUMIDITY...MINIMUM VALUES 28 TO 32 PERCENT THIS AFTERNOON...36
  TO 40 PERCENT ON TUESDAY AFTERNOON.

* DISPERSIONS...GREATER THAN 75 THIS AFTERNOON...LESS THAN 75
  TUESDAY AFTERNOON.

* WIND...NORTHWEST 10 TO 15 MPH AND GUSTY TODAY...AND EAST-
  SOUTHEAST AROUND 10 MPH ON TUESDAY.

* IMPACTS...ANY FIRES THAT DEVELOP COULD 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

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 3, 8:42 PM CSTRed Flag WarningTAEBay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more20 hr
Mar 4, 2:01 AM CSTWind AdvisoryTAEBay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more15 hr
Mar 4, 6:23 AM CSTFire Weather WatchTAEBay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more8 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.