Alert archive / Georgia / Red Flag Warnings in 2007
Red Flag Warning 2, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this red flag warning at Feb 17, 2007, 3:18 PM EST for 6 counties in Georgia. It took effect at Feb 18, 2007, 12:00 PM EST. 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
- Feb 17, 2007, 3:18 PM EST (20:18 UTC)
- In effect from
- Feb 18, 2007, 12:00 PM EST
- Expired
- Feb 18, 2007, 7:00 PM EST
- In force
- 7 hr
- Issued by
- NWS Greenville-Spartanburg, SC
Counties Elbert County, GA, Franklin County, GA, Habersham County, GA, Hart County, GA, Rabun County, GA, Stephens County, GA
The radar
The Greer radar (KGSP), 101 km from the middle of the area, began a volume at 20:24 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.3 hours before the alert went out and 172 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1748 m above ground
- 0-6 km bulk shear
- 87 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 145 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS82 KGSP 172018 RFWGSP RED FLAG WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 318 PM EST SAT FEB 17 2007 ...VERY LOW HUMIDITY AND GUSTY WINDS EXPECTED ON SUNDAY... GAZ010-017-018-026-028-029-181000- /O.NEW.KGSP.FW.W.0002.070218T1700Z-070219T0000Z/ RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT- 318 PM EST SAT FEB 17 2007 ...RED FLAG WARNING IN EFFECT FROM 12 PM TO 7 PM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A RED FLAG WARNING FOR EXTREME NORTHEAST GEORGIA...WHICH IS IN EFFECT FROM 12 PM TO 7 PM EST SUNDAY. A DRY CANADIAN AIR MASS WILL BUILD OVER THE SOUTHERN APPALACHIANS ON SUNDAY. RELATIVE HUMIDITY LEVELS WILL FALL INTO THE LOWER TO MID 20 PERCENT RANGE SUNDAY AFTERNOON AND REMAIN INTO THE EARLY EVENING. IN ADDITION...WINDS ARE FORECAST TO BECOME QUITE GUSTY SUNDAY AFTERNOON...WITH GUSTS RANGING FROM 25 TO 30 MPH. THE LOW RELATIVE HUMIDITY...GUSTY WINDS...AND SIGNIFICANT PERIODS OF SUN LIGHT MAY CAUSE FUELS TO DRY OUT ENOUGH FOR DANGEROUS FIRE WEATHER CONDITIONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ NED
2 follow-up statements
000 WWUS82 KGSP 182000 RFWGSP RED FLAG WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 300 PM EST SUN FEB 18 2007 ...LOW HUMIDITY AND GUSTY WINDS INTO EARLY EVENING... GAZ017-018-026-028-029-190000- /O.CON.KGSP.FW.W.0002.000000T0000Z-070219T0000Z/ HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT- 300 PM EST SUN FEB 18 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING. A DRY CANADIAN AIR MASS WILL REMAIN OVER EXTREME NORTHEAST GEORGIA THIS EVENING. RELATIVE HUMIDITY LEVELS WILL REMAIN IN THE MID 20 PERCENT RANGE INTO THE EARLY EVENING. IN ADDITION...WINDS COULD STILL REACH SPEEDS OF 15 TO 25 MPH WITH GUSTS AS HIGH AS 35 MPH...MAINLY IN THE MOUNTAINS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE OCCURRING NOW. GUSTY WINDS OR LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
000 WWUS82 KGSP 190015 RFWGSP RED FLAG WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 715 PM EST SUN FEB 18 2007 GAZ017-018-026-028-029-190115- /O.EXP.KGSP.FW.W.0002.000000T0000Z-070219T0000Z/ HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT- 715 PM EST SUN FEB 18 2007 ...RED FLAG WARNING HAS EXPIRED... THE RED FLAG WARNING IS NO LONGER IN EFFECT. AS TEMPERATURES FALL WITH SUNSET...RELATIVE HUMIDITY VALUES HAVE RISEN ABOVE 25 PERCENT. WITH RED FLAG CONDITIONS NO LONGER OCCURRING...THE WARNING HAS EXPIRED. $$
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 2:38 AM EST | Snow Advisory | GSP | Rabun | 31 hr |
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.