Alert archive / Florida / Red Flag Warnings in 2011

Red Flag Warning 49, NWS Tallahassee, FL

May 7, 20114 counties in Florida

NWS Tallahassee, FL issued this red flag warning at May 7, 2011, 4:58 PM EDT for 4 counties in Florida. It took effect at May 8, 2011, 2:00 PM EDT. 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
May 7, 2011, 4:58 PM EDT (20:58 UTC)
In effect from
May 8, 2011, 2:00 PM EDT
Expired
May 8, 2011, 8:00 PM EDT
In force
6 hr
Issued by
NWS Tallahassee, FL

Counties Gadsden County, FL, Jackson County, FL, Leon County, FL, Wakulla County, FL

The radar

The Tallahassee radar (KTLH), 30 km from the middle of the area, began a volume at 21:03 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, 9.0 hours before the alert went out and 33 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 2011-05-07Temperature 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 2011-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.1939587897Sfc1 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
2080 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
23 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.

451 
WWUS82 KTAE 072058
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
458 PM EDT SAT MAY 7 2011

...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/
TODAY FOR PORTIONS OF THE EASTERN FLORIDA PANHANDLE AND WESTERN
FLORIDA BIG BEND DUE TO A COMBINATION OF LOW RELATIVE HUMIDITY AND
ERC ABOVE 35....

...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/
THIS EVENING FOR DIXIE COUNTY IN THE EASTERN FLORIDA BIG BEND DUE
TO A COMBINATION OF LOW RELATIVE HUMIDITY AND ERC ABOVE 35...

...A RED FLAG WARNING IS NOW IN EFFECT FROM FROM 2 PM EDT /1 PM
CDT/ SUNDAY UNTIL PM EDT /7 PM CDT/ SUNDAY FOR GADSDEN...
LEON...JACKSON AND WAKULLA COUNTIES DUE TO A COMBINATION OF LOW
RELATIVE HUMIDITY AND ERC ABOVE 35...

...THE FIRE WEATHER WATCH THAT WAS IN EFFECT FOR SUNDAY AFTERNOON
THROUGH EVENING FOR PORTIONS OF THE WESTERN FLORIDA BIG BEND AND
INLAND DIXIE COUNTY HAS BEEN DISCONTINUED...

.DISCUSSION...DRY CONDITIONS ARE FORECAST TO CONTINUE THROUGH THE
WEEKEND ACROSS THE AREA. FORECAST ERC VALUES AND LONG DURATIONS
OF LOW HUMIDITY JUSTIFY CONTINUING THE CURRENT RED FLAG WARNING
FOR THE EASTERN PANHANDLE...WESTERN BIG BEND...AND DIXIE COUNTY
INTO THIS EVENING. A SLIGHT INCREASE IN LOW LEVEL MOISTURE IS
FORECAST FOR SUNDAY. HOWEVER...FORECAST ERC VALUES ABOVE 34 AND
LONG DURATIONS OF LOW HUMIDITY ARE EXPECTED FOR LEON...WAKULLA...
JACKSON AND GADSDEN COUNTIES. THEREFORE A RED FLAG WARNING WAS
HOISTED FOR THESE COUNTIES. RED FLAG CONDITIONS ARE NOT EXPECTED
ELSEWHERE THROUGH SUNDAY.

FLZ013-026-034-080000-
/O.CAN.KTAE.FW.A.0040.110508T1800Z-110509T0000Z/
/O.CON.KTAE.FW.W.0048.000000T0000Z-110508T0000Z/
CALHOUN-LIBERTY-INLAND DIXIE-
458 PM EDT SAT MAY 7 2011 /358 PM CDT SAT MAY 7 2011/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/
THIS EVENING FOR...
...FIRE WEATHER WATCH IS CANCELLED FOR SUNDAY...

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

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.

&&

$$

FLZ011-016-017-027-080500-
/O.UPG.KTAE.FW.A.0040.110508T1800Z-110509T0000Z/
/O.NEW.KTAE.FW.W.0049.110508T1800Z-110509T0000Z/
/O.CON.KTAE.FW.W.0048.000000T0000Z-110508T0000Z/
JACKSON-GADSDEN-LEON-INLAND WAKULLA-
458 PM EDT SAT MAY 7 2011 /358 PM CDT SAT MAY 7 2011/

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

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 2 PM EDT /1 PM CDT/ TO 8 PM EDT
/7 PM CDT/ SUNDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

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.

&&

$$

FLZ127-080500-
/O.NEW.KTAE.FW.W.0049.110508T1800Z-110509T0000Z/
COASTAL WAKULLA-
458 PM EDT SAT MAY 7 2011

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM EDT SUNDAY,..

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 2 PM TO 8 PM EDT SUNDAY. 

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.

&&

$$

FLZ009-010-012-112-134-080000-
/O.CON.KTAE.FW.W.0048.000000T0000Z-110508T0000Z/
HOLMES-WASHINGTON-INLAND BAY-COASTAL BAY-COASTAL DIXIE-
458 PM EDT SAT MAY 7 2011 /358 PM CDT SAT MAY 7 2011/

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

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
468 
WWUS82 KTAE 080006
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
806 PM EDT SAT MAY 7 2011

...A RED FLAG WARNING REMAINS IN EFFECT FROM FROM 2 PM EDT /1 PM
CDT/ SUNDAY UNTIL PM EDT /7 PM CDT/ SUNDAY FOR GADSDEN... LEON...
JACKSON AND WAKULLA COUNTIES DUE TO A COMBINATION OF LOW RELATIVE
HUMIDITY AND ERC ABOVE 35...

.DISCUSSION...EVEN WITH A A SLIGHT INCREASE IN LOW LEVEL MOISTURE
FORECAST FOR SUNDAY...DRY CONDITIONS WILL PERSIST OVER PORTIONS OF
THE LOCAL AREA. FORECAST ERC VALUES ABOVE 34 AND LONG DURATIONS
OF LOW HUMIDITY ARE EXPECTED FOR LEON...WAKULLA... JACKSON AND
GADSDEN COUNTIES. THEREFORE A RED FLAG WARNING REMAINS IN EFFECT
FOR SUNDAY FOR THESE COUNTIES.

FLZ011-016-017-027-081115-
/O.EXP.KTAE.FW.W.0048.000000T0000Z-110508T0000Z/
/O.CON.KTAE.FW.W.0049.110508T1800Z-110509T0000Z/
JACKSON-GADSDEN-LEON-INLAND WAKULLA-
806 PM EDT SAT MAY 7 2011 /706 PM CDT SAT MAY 7 2011/

...RED FLAG WARNING FOR SATURDAY HAS EXPIRED...

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

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.

&&

$$

FLZ009-010-012-013-026-034-112-134-080115-
/O.EXP.KTAE.FW.W.0048.000000T0000Z-110508T0000Z/
HOLMES-WASHINGTON-INLAND BAY-CALHOUN-LIBERTY-INLAND DIXIE-
COASTAL BAY-COASTAL DIXIE-
806 PM EDT SAT MAY 7 2011 /706 PM CDT SAT MAY 7 2011/

...RED FLAG WARNING FOR SATURDAY HAS EXPIRED...

$$

FLZ127-081115-
/O.CON.KTAE.FW.W.0049.110508T1800Z-110509T0000Z/
COASTAL WAKULLA-
806 PM EDT SAT MAY 7 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM EDT
SUNDAY...

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
596 
WWUS82 KTAE 080653
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
253 AM EDT SUN MAY 8 2011

...RED FLAG WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS
AFTERNOON TO 8 PM EDT /7 PM CDT/ THIS EVENING FOR LEON...
GADSDEN...AND JACKSON COUNTIES DUE TO LONG DURATIONS OF LOW
RELATIVE HUMIDITY AND ERC ABOVE 35...

.DISCUSSION...EVEN WITH A A SLIGHT INCREASE IN LOW LEVEL MOISTURE
FORECAST FOR TODAY...DRY CONDITIONS WILL PERSIST OVER PORTIONS OF
THE LOCAL AREA. FORECAST ERC VALUES ABOVE 34 AND LONG DURATIONS OF
LOW HUMIDITY ARE EXPECTED FOR LEON...JACKSON AND GADSDEN COUNTIES.
THEREFORE A RED FLAG WARNING REMAINS IN EFFECT TODAY FOR THESE
COUNTIES.

FLZ027-127-080800-
/O.CAN.KTAE.FW.W.0049.110508T1800Z-110509T0000Z/
INLAND WAKULLA-COASTAL WAKULLA-
253 AM EDT SUN MAY 8 2011

...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS CANCELLED THE RED
FLAG WARNING. 


$$

FLZ011-016-017-090000-
/O.CON.KTAE.FW.W.0049.110508T1800Z-110509T0000Z/
JACKSON-GADSDEN-LEON-
253 AM EDT SUN MAY 8 2011 /153 AM CDT SUN MAY 8 2011/

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM EDT /1 PM CDT/
THIS AFTERNOON TO 8 PM EDT /7 PM CDT/ THIS EVENING...

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 3:32 AM EDTFire Weather WatchTAECalhoun, Dixie, Gadsden, Jackson, Leon, Wakulla13 hr

Nearby

Red Flag Warnings in Florida, 2011Every red flag warning in 2011

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.