Alert archive / Georgia / Red Flag Warnings in 2007

Red Flag Warning 22, NWS Atlanta, GA

March 7, 20076 counties in Georgia

NWS Atlanta, GA issued this red flag warning at Mar 7, 2007, 4:11 AM EST for 6 counties in Georgia. It took effect at Mar 7, 2007, 1:00 PM EST. It was in force for 5 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 7, 2007, 4:11 AM EST (09:11 UTC)
In effect from
Mar 7, 2007, 1:00 PM EST
Expired
Mar 7, 2007, 6:00 PM EST
In force
5 hr
Issued by
NWS Atlanta, GA

Counties Fannin County, GA, Gilmer County, GA, Lumpkin County, GA, Towns County, GA, Union County, GA, White County, GA

The radar

The Atlanta radar (KFFC), 162 km from the middle of the area, began a volume at 09:11 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, 9.2 hours before the alert went out and 160 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 2007-03-07Temperature 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, Peachtre/Fal Fld, GA at 00:00Z on 2007-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
2575 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
71 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.

000
WWUS82 KFFC 070911
RFWFFC

RED FLAG WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
411 AM EST WED MAR 7 2007

GAZ006>009-015-016-071715-
/O.UPG.KFFC.FW.A.0014.070307T1800Z-070307T2300Z/
/O.NEW.KFFC.FW.W.0022.070307T1800Z-070307T2300Z/
FANNIN-GILMER-UNION-TOWNS-LUMPKIN-WHITE-
411 AM EST WED MAR 7 2007

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 6 PM EST THIS
AFTERNOON FOR EXTREME NORTHEAST GEORGIA FOR LOW FUEL MOISTURE
LEVELS...

DRY FUEL MOISTURE CONDITIONS WILL COMBINE WITH RELATIVE
HUMIDITIES NEAR 25 PERCENT AND WINDS OF 15 TO 20 MPH WITH GUSTS
TO 25 MPH THIS AFTERNOON TO CREATE DANGEROUS FIRE WEATHER
CONDITIONS.

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A RED
FLA WARNING...WHICH IS IN EFFECT FROM 1 PM TO 6 PM EST THIS
AFTERNOON. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

THIS WARNING INCLUDES THE CHATTAHOOCHEE NATIONAL FORESTS.

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

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

$$
1 follow-up statement
000
WWUS82 KFFC 072309
RFWFFC

RED FLAG WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
609 PM EST WED MAR 7 2007

GAZ006>009-015-016-080015-
/O.EXP.KFFC.FW.W.0022.000000T0000Z-070307T2300Z/
FANNIN-GILMER-UNION-TOWNS-LUMPKIN-WHITE-
609 PM EST WED MAR 7 2007

...RED FLAG WARNING HAS EXPIRED...

RELATIVE HUMIDITY VALUES HAVE RISEN ABOVE THE CRITICAL 25 PERCENT
THRESHOLD LEVEL AND WINDS ARE DIMINISHING. THUS...THE RED FLAG
WARNING THAT WAS IN EFFECT FOR THE NORTHEAST GEORGIA MOUNTAINS HAS
BEEN ALLOWED TO EXPIRE. NO RED FLAG WARNINGS OR FIRE WEATHER
WATCHES ARE IN EFFECT AT THIS TIME.

$$

19

Nearby

Red Flag Warnings in Georgia, 2007Every red flag warning in 2007

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.