Alert archive / Georgia / Red Flag Warnings in 2011

Red Flag Warning 33, NWS Tallahassee, FL

April 3, 201126 counties in Georgia

NWS Tallahassee, FL issued this red flag warning at Apr 3, 2011, 4:31 AM EDT for 26 counties in Georgia. It took effect at Apr 3, 2011, 1:00 PM EDT. 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
Apr 3, 2011, 4:31 AM EDT (08:31 UTC)
In effect from
Apr 3, 2011, 1:00 PM EDT
Expired
Apr 3, 2011, 8:00 PM EDT
In force
7 hr
Issued by
NWS Tallahassee, FL
All 26 counties

Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brooks County, GA, Calhoun County, GA, Clay County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Irwin County, GA, Lanier County, GA, Lee County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Worth County, GA

The radar

The Tallahassee radar (KTLH), 108 km from the middle of the area, began a volume at 08:29 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 00:00Z, 8.5 hours before the alert went out and 107 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 00:00Z on 2011-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 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 00:00Z on 2011-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
2176 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
39 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.

833 
WWUS82 KTAE 030831
RFWTAE

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TALLAHASSEE FL
431 AM EDT SUN APR 3 2011

...A RED FLAG WARNING IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8
PM EDT THIS EVENING FOR SOUTHWEST AND SOUTH CENTRAL GEORGIA...

.A DRIER AIR MASS WILL CONTINUE TO OVERSPREAD THE REGION TODAY.
THIS WILL RESULT IN A PERIOD OF RED FLAG CONDITIONS ACROSS 
SOUTH GEORGIA THIS AFTERNOON INTO EARLY EVENING. IN FLORIDA...THE
RH CRITERIA WILL EASILY BE SATISFIED BUT DISPERSIONS AND ERC
VALUES WILL FALL SHORT OF WARNING CRITERIA. THE AIR MASS WILL
MOISTEN TOMORROW AHEAD OF A RAPIDLY APPROACHING STORM SYSTEM. RED
FLAG CONDITIONS ARE NOT EXPECTED. 

FLZ007-009>011-013-015>019-026>029-034-030945-
/O.CAN.KTAE.FW.A.0026.110403T1700Z-110404T0000Z/
INLAND WALTON-HOLMES-WASHINGTON-JACKSON-CALHOUN-INLAND FRANKLIN-
GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY-INLAND WAKULLA-
INLAND TAYLOR-LAFAYETTE-INLAND DIXIE-
431 AM EDT SUN APR 3 2011 /331 AM CDT SUN APR 3 2011/

...FIRE WEATHER WATCH IS CANCELLED...

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

ALTHOUGH LONG DURATIONS OF CRITICAL RELATIVE HUMIDITIES ARE 
EXPECTED...DISPERSIONS WILL FALL SHORT OF 75 AND ERC WILL BE BELOW
35. THEREFORE THE WATCH WAS TERMINATED. 

$$

GAZ125>131-145>148-157>161-040000-
/O.UPG.KTAE.FW.A.0026.110403T1900Z-110403T2300Z/
/O.NEW.KTAE.FW.W.0033.110403T1700Z-110404T0000Z/
DOUGHERTY-LEE-WORTH-TURNER-TIFT-BEN HILL-IRWIN-MITCHELL-COLQUITT-
COOK-BERRIEN-GRADY-THOMAS-BROOKS-LOWNDES-LANIER-
431 AM EDT SUN APR 3 2011

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT
THIS EVENING.

IN EXCESS OF FOUR HOURS OF RELATIVE HUMIDITIES BELOW 25 PERCENT
ARE EXPECTED THIS AFTERNOON INTO EARLY EVENING. THEREFORE THE FIRE
WEATHER WATCH HAS BEEN UPGRADED TO A RED FLAG WARNING.

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.

&&

$$

GAZ120>124-142>144-155-156-040000-
/O.NEW.KTAE.FW.W.0033.110403T1700Z-110404T0000Z/
QUITMAN-CLAY-RANDOLPH-CALHOUN-TERRELL-EARLY-MILLER-BAKER-SEMINOLE-
DECATUR-
431 AM EDT SUN APR 3 2011

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT
THIS EVENING. 

IN EXCESS OF FOUR HOURS OF RELATIVE HUMIDITIES BELOW 25 PERCENT
ARE EXPECTED THIS AFTERNOON INTO EARLY EVENING. THEREFORE A RED
FLAG WARNING HAS BEEN ISSUED.

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

Nearby

Red Flag Warnings in Georgia, 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.