Alert archive / Florida / Red Flag Warnings in 2012

Red Flag Warning 18, NWS Tallahassee, FL

March 27, 201210 counties in Florida

NWS Tallahassee, FL issued this red flag warning at Mar 27, 2012, 2:19 PM CDT for 10 counties in Florida. It took effect at Mar 28, 2012, 1:00 PM CDT. It was in force for 4 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 27, 2012, 2:19 PM CDT (19:19 UTC)
In effect from
Mar 28, 2012, 1:00 PM CDT
Expired
Mar 28, 2012, 5:00 PM CDT
In force
4 hr
Issued by
NWS Tallahassee, FL

Counties Bay County, FL, Calhoun County, FL, Gadsden County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Madison County, FL, Walton County, FL, Washington County, FL

The radar

The Tallahassee radar (KTLH), 66 km from the middle of the area, began a volume at 19:24 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, 7.3 hours before the alert went out and 69 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 2012-03-27Temperature 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 2012-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -47 square meters per square second.1939Sfc1 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
1943 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-47 m²/s²
0-3 km storm-relative helicity
-34 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.

422 
WWUS82 KTAE 271919
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
319 PM EDT TUE MAR 27 2012

...A RED FLAG WARNING IS NOW IN EFFECT WEDNESDAY AFTERNOON FOR
INLAND PORTIONS OF THE FLORIDA EASTERN PANHANDLE DUE TO A POSSIBLE
COMBINATION OF LOW HUMIDITY AND HIGH DISPERSIONS...

.LOWEST HUMIDITY WILL DROP INTO THE LOWER 30S ACROSS THE INLAND
FLORIDA PANHANDLE ON WEDNESDAY AFTERNOON. HIGH MIXING HEIGHTS WILL
LIKELY YIELD DISPERSIONS ABOVE 90. 

FLZ007>013-281130-
/O.UPG.KTAE.FW.A.0017.120328T1800Z-120328T2300Z/
/O.NEW.KTAE.FW.W.0018.120328T1800Z-120328T2300Z/
INLAND WALTON-CENTRAL WALTON-HOLMES-WASHINGTON-JACKSON-INLAND BAY-
CALHOUN-
219 PM CDT TUE MAR 27 2012

...RED FLAG WARNING IN EFFECT FROM 1 PM TO TO 6 PM CDT WEDNESDAY
FOR A COMBINATION OF LOW HUMIDITY...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM TO 6 PM CDT WEDNESDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA....INLAND PORTIONS OF NORTHERN FLORIDA 

* WIND...ONSHORE 5 TO 10 MPH.

* HUMIDITY...28 TO 33 PERCENT.

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

* DISPERSION....85 TO 95

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.

&&

$$

FLZ016>019-026-281130-
/O.NEW.KTAE.FW.W.0018.120328T1800Z-120328T2300Z/
GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY-
319 PM EDT TUE MAR 27 2012

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 7 PM EDT WEDNESDAY FOR
FOR A COMBINATION OF LOW HUMIDITY...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 2 PM TO 7 PM EDT WEDNESDAY.


* AFFECTED AREA....INLAND PORTIONS OF NORTHERN FLORIDA 

* WIND...ONSHORE 5 TO 10 MPH.

* HUMIDITY...28 TO 33 PERCENT.

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

* DISPERSION....80 TO 90

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.

&&

$$
1 follow-up statement
586 
WWUS82 KTAE 280904
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
504 AM EDT WED MAR 28 2012

...A RED FLAG WARNING IS IN EFFECT THIS AFTERNOON FOR MUCH OF
THE INLAND FLORIDA PANHANDLE DUE TO A COMBINATION OF LOW HUMIDITY
AND HIGH DISPERSIONS...

.ANOTHER DRY DAY WITH DEEP MIXING IS EXPECTED. AFTERNOON MINIMUM
HUMIDITY WILL FALL TO AROUND 30 PERCENT WITH A FAIRLY UNSTABLE
LOWER ATMOSPHERE. THIS WILL CAUSE RED FLAG CRITERIA TO BE MET
ACROSS MOST OF THE INTERIOR PORTIONS OF THE FLORIDA PANHANDLE THIS
AFTERNOON FOR ABOUT A 3 TO 4 HOUR TIME FRAME.

FLZ007>013-016>019-026-282200-
/O.EXT.KTAE.FW.W.0018.120328T1800Z-120328T2200Z/
INLAND WALTON-CENTRAL WALTON-HOLMES-WASHINGTON-JACKSON-INLAND BAY-
CALHOUN-GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY-
504 AM EDT WED MAR 28 2012 /404 AM CDT WED MAR 28 2012/

...RED FLAG WARNING NOW IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS
AFTERNOON TO 6 PM EDT /5 PM CDT/ THIS EVENING...

* AFFECTED AREA...MUCH OF THE INLAND FLORIDA PANHANDLE.

* WIND...SOUTHEAST AROUND 5 MPH EARLY IN THE MORNING...BECOMING
  SOUTH AROUND 10 MPH BY AFTERNOON. GUSTS TO 15 MPH.

* HUMIDITY...28 TO 33 PERCENT.

* DISPERSION...75 TO 100.

* 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.

&&

$$

08-LAMERS

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 2:53 AM CDTFire Weather WatchTAEBay, Calhoun, Holmes, Jackson, Walton, Washington11 hr
Mar 27, 5:19 AM CDTDense Smoke AdvisoryTAELeon4 hr
Mar 27, 2:25 PM CDTDense Smoke AdvisoryTAEBay, Calhoun, Gadsden, Gulf, Jackson, Leon12 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.