Alert archive / Georgia / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 320, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 26, 2007, 9:30 PM EDT for Hall County, Georgia. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 26, 2007, 9:30 PM EDT (01:30 UTC)
- Expired
- Jul 26, 2007, 10:15 PM EDT
- In force
- 45 min
- Issued by
- NWS Atlanta, GA
- Area
- Counties, with a storm outline in the text
County Hall County, GA
The radar
The Atlanta radar (KFFC), 142 km from the middle of the area, began a volume at 01:31 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, 1.5 hours before the alert went out and 138 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
- 1209 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1429 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KFFC 270130 SVRFFC GAC139-270215- /O.NEW.KFFC.SV.W.0320.070727T0130Z-070727T0215Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 930 PM EDT THU JUL 26 2007 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN HALL COUNTY IN NORTH CENTRAL GEORGIA * UNTIL 1015 PM EDT * AT 927 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZED HAIL. THIS STORM WAS LOCATED BETWEEN LULA AND CLERMONT...MOVING EAST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT CLERMONT AND LULA. IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT UNTIL THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. LAT...LON 3451 8382 3444 8384 3431 8366 3447 8364 $$
1 follow-up statement
000 WWUS52 KFFC 270213 SVSFFC SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE PEACHTREE CITY GA 1012 PM EDT THU JUL 26 2007 GAC139-270222- /O.EXP.KFFC.SV.W.0320.000000T0000Z-070727T0215Z/ HALL GA- 1012 PM EDT THU JUL 26 2007 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HALL COUNTY EXPIRES AT 1015 PM EDT... AT 1009 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THAT THUNDERSTORMS IN NORTHEAST HALL COUNTY HAVE WEAKENED CONSIDERABLY AND ARE ALSO MOVING INTO WHITE AND HABERSHAM COUNTIES. SEVERE THUNDERSTORMS ARE NO LONGER DETECTED IN HALL COUNTY AT THIS TIME. THUS...THE WARNING WILL BE ALLOWED TO EXPIRE. LIGHT TO MODERATE RAIN AND OCCASIONAL LIGHTNING WILL CONTINUE FOR ANOTHER 15 MINUTES OR SO IN EXTREME NORTHEAST HALL COUNTY. IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. LAT...LON 3451 8382 3444 8384 3431 8366 3447 8364 $$ 19
Nearby
Severe Thunderstorm Warnings in Georgia, 2007Every severe thunderstorm 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.