Alert archive / Georgia / Red Flag Warnings in 2009

Red Flag Warning 13, NWS Greenville-Spartanburg, SC

June 30, 20095 counties in Georgia

NWS Greenville-Spartanburg, SC issued this red flag warning at Jun 30, 2009, 1:04 AM EDT for 5 counties in Georgia. It took effect at Jun 30, 2009, 10:00 AM EDT. It was in force for 10 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: Jun 30, 2009, 1:04 AM EDT (05:04 UTC)
In effect from: Jun 30, 2009, 10:00 AM EDT
Expired: Jun 30, 2009, 8:00 PM EDT
In force: 10 hr
Issued by: NWS Greenville-Spartanburg, SC

Counties Elbert County, GA, Franklin County, GA, Habersham County, GA, Hart County, GA, Stephens County, GA

The radar

The Greer radar (KGSP), 102 km from the middle of the area, began a volume at 05:04 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, 5.1 hours before the alert went out and 168 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3630 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 27 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 KGSP 300504
RFWGSP

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
104 AM EDT TUE JUN 30 2009

...VERY LOW HUMIDITY EXPECTED ACROSS MUCH OF NORTHEAST GEORGIA TODAY...

.A STEADY...DRYING NORTHWEST WIND TODAY WILL ALLOW VERY WARM
TEMPERATURES TO COMBINE WITH DRY AIR TO PRODUCE CRITICALLY LOW
RELATIVE HUMIDITY VALUES ACROSS NORTHEAST GEORGIA TODAY. THIS WILL
HEIGHTEN FIRE DANGER ACROSS THE AFFECTED AREA.

GAZ017-018-026-028-029-010000-
/O.NEW.KGSP.FW.W.0013.090630T1400Z-090701T0000Z/
HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-
104 AM EDT TUE JUN 30 2009

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM EDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED
A RED FLAG WARNING FOR MUCH OF EXTREME NORTHEAST GEORGIA...WHICH IS
IN EFFECT FROM 10 AM THIS MORNING TO 8 PM EDT THIS EVENING.

TEMPERATURES WILL REACH BETWEEN 90 AND 95 DEGREES TODAY ACROSS
MUCH OF NORTHEAST GEORGIA. A VERY DRY AIRMASS IN PLACE WILL ALLOW
DEWPOINT TEMPERATURES TO FALL INTO THE UPPER 40S THIS AFTERNOON.
THIS WILL LEAD TO RELATIVE HUMIDITY VALUES OF 20 TO 25 PERCENT FOR
SEVERAL HOURS FROM CLARKESVILLE TO CARNESVILLE TO ELBERTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF WARM
TEMPERATURES AND LOW RELATIVE HUMIDITY WILL ENHANCE THE POTENTIAL
FOR WILDFIRES TO START AND GROW RAPIDLY.

&&

$$

GERAPETRITIS

1 follow-up statement

000 
WWUS82 KGSP 301916
RFWGSP

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
316 PM EDT TUE JUN 30 2009

...VERY LOW HUMIDITY EXPECTED ACROSS MUCH OF NORTHEAST GEORGIA
THROUGH EARLY EVENING...

GAZ017-018-026-028-029-010000-
/O.CON.KGSP.FW.W.0013.000000T0000Z-090701T0000Z/
HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-
316 PM EDT TUE JUN 30 2009

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

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING.

RELATIVE HUMIDITY VALUES WILL REMAIN NEAR 25 PERCENT THE REST OF
THIS AFTERNOON AND EARLY EVENING. THE COMBINATION OF DRY
FUELS...LOW HUMIDITY...AND NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS
TO 20 MPH WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS FROM CLARKESVILLE
TO CARNESVILLE TO ELBERTON THROUGH EARLY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF WARM
TEMPERATURES AND LOW RELATIVE HUMIDITY WILL ENHANCE THE POTENTIAL
FOR WILDFIRES TO START AND GROW RAPIDLY.

&&

$$

Nearby

Red Flag Warnings in Georgia, 2009 Every red flag warning in 2009

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.