Alert archive / Georgia / Red Flag Warnings in 2013

Red Flag Warning 1, NWS Atlanta, GA

March 21, 201336 counties in Georgia

NWS Atlanta, GA issued this red flag warning at Mar 21, 2013, 3:59 AM EDT for 36 counties in Georgia. It took effect at Mar 21, 2013, 12:00 PM EDT. It was in force for 8 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 21, 2013, 3:59 AM EDT (07:59 UTC)
In effect from
Mar 21, 2013, 12:00 PM EDT
Expired
Mar 21, 2013, 8:00 PM EDT
In force
8 hr
Issued by
NWS Atlanta, GA
All 36 counties

Baldwin County, GA, Banks County, GA, Barrow County, GA, Cherokee County, GA, Clarke County, GA, Cobb County, GA, Dawson County, GA, DeKalb County, GA, Fannin County, GA, Forsyth County, GA, Fulton County, GA, Gilmer County, GA, Glascock County, GA, Greene County, GA, Gwinnett County, GA, Hall County, GA, Hancock County, GA, Jackson County, GA, Jefferson County, GA, Lumpkin County, GA, Madison County, GA, Morgan County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Pickens County, GA, Putnam County, GA, Rockdale County, GA, Taliaferro County, GA, Towns County, GA, Union County, GA, Walton County, GA, Warren County, GA, Washington County, GA, White County, GA, Wilkes County, GA

The radar

The Atlanta radar (KFFC), 108 km from the middle of the area, began a volume at 07:59 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 8.0 hours before the alert went out and 103 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, Peachtre/Fal Fld, GA at 00:00Z on 2013-03-21Temperature 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, Peachtre/Fal Fld, GA at 00:00Z on 2013-03-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.1939587897117Sfc1 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
3123 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
74 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.

009 
WWUS82 KFFC 210759
RFWFFC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
359 AM EDT THU MAR 21 2013

GAZ001>005-011-012-019-020-030-031-041>044-052>059-066>072-
078>086-089>098-102>113-210900-
/O.CAN.KFFC.FW.A.0001.130321T1700Z-130322T0000Z/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-CHATTOOGA-GORDON-FLOYD-
BARTOW-POLK-PAULDING-HARALSON-CARROLL-DOUGLAS-SOUTH FULTON-HEARD-
COWETA-FAYETTE-CLAYTON-SPALDING-HENRY-BUTTS-JASPER-TROUP-
MERIWETHER-PIKE-UPSON-LAMAR-MONROE-JONES-HARRIS-TALBOT-TAYLOR-
CRAWFORD-BIBB-TWIGGS-WILKINSON-JOHNSON-EMANUEL-MUSCOGEE-
CHATTAHOOCHEE-MARION-SCHLEY-MACON-PEACH-HOUSTON-BLECKLEY-LAURENS-
TREUTLEN-STEWART-WEBSTER-SUMTER-DOOLY-CRISP-PULASKI-WILCOX-DODGE-
TELFAIR-WHEELER-MONTGOMERY-TOOMBS-
359 AM EDT THU MAR 21 2013

...FIRE WEATHER WATCH IS CANCELLED DUE TO WINDS JUST BELOW CRITERIA...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS CANCELLED THE
FIRE WEATHER WATCH BUT DANGEROUS FIRE CONDITIONS WILL REMAIN WITH
A FIRE DANGER STATEMENT NOW IN EFFECT.

$$

GAZ006>009-013>016-021>025-027-032>039-045>051-060>062-073>076-
220000-
/O.UPG.KFFC.FW.A.0001.130321T1700Z-130322T0000Z/
/O.NEW.KFFC.FW.W.0001.130321T1600Z-130322T0000Z/
FANNIN-GILMER-UNION-TOWNS-PICKENS-DAWSON-LUMPKIN-WHITE-CHEROKEE-
FORSYTH-HALL-BANKS-JACKSON-MADISON-COBB-NORTH FULTON-GWINNETT-
BARROW-CLARKE-OCONEE-OGLETHORPE-WILKES-DEKALB-ROCKDALE-WALTON-
NEWTON-MORGAN-GREENE-TALIAFERRO-PUTNAM-HANCOCK-WARREN-BALDWIN-
WASHINGTON-GLASCOCK-JEFFERSON-
359 AM EDT THU MAR 21 2013

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS
EVENING FOR NORTH AND EAST GEORGIA...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A RED
FLAG WARNING FOR LOW RH AND WINDS...WHICH IS IN EFFECT
FROM NOON TODAY TO 8 PM EDT THIS EVENING. THE FIRE WEATHER WATCH
IS NO LONGER IN EFFECT.

* AFFECTED AREA...MUCH OF NORTH AND EAST GEORGIA

* WINDS...WEST 15 MPH WITH GUSTS UP TO 25 MPH.

* TIMING...THURSDAY AFTERNOON THROUGH EVENING.

* RELATIVE HUMIDITY...AS LOW AS 18 PERCENT.

* TEMPERATURES...45 TO 50.

* IMPACTS...LOW RH AND STRONG WINDS WILL LEAD TO DANGEROUS FIRE 
  CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING...OR WILL OCCUR WITHIN 24 HOURS.

PLEASE REFER TO THE LOCAL BURN PERMITTING AUTHORITIES ON WHETHER
YOU MAY BURN OUTDOORS. IF YOU DO BURN OUTSIDE...USE EXTREME
CAUTION.

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE
FIELD OF THE RED FLAG WARNING.

&&

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 21, 4:41 PM EDTFreeze WarningFFCBaldwin, Banks, Barrow, Bartow, Bibb, Butts and 63 more17 hr

Nearby

Red Flag Warnings in Georgia, 2013Every red flag warning in 2013

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.