Alert archive / Georgia / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 441, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 12, 2011, 3:32 PM EDT for Fulton County, Georgia. It was in force for 30 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 12, 2011, 3:32 PM EDT (19:32 UTC)
- Expired
- Jul 12, 2011, 4:02 PM EDT
- In force
- 30 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
County Fulton County, GA
The radar
The Atlanta radar (KFFC), 41 km from the middle of the area, began a volume at 19:35 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 12, 3:40 PM EDT | HAIL 1 | 4 Nnw Atlanta, GA | PUBLIC REPORTS QUARTER SIZED HAIL AND INTENSE LIGHTNING NEAR HOWELL MILL ROAD AND INTERSTATE 75. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.5 hours before the alert went out and 39 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
- 2178 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 1004 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
743
WUUS52 KFFC 121932
SVRFFC
GAC121-122015-
/O.NEW.KFFC.SV.W.0441.110712T1932Z-110712T2015Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
332 PM EDT TUE JUL 12 2011
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL FULTON COUNTY IN NORTH CENTRAL GEORGIA
* UNTIL 415 PM EDT
* AT 331 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL...AND
DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED NEAR
MIDTOWN...MOVING SOUTH AT 5 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ATLANTA...GRANT PARK-ZOO ATLANTA...HAPEVILLE...EAST POINT AND
COLLEGE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.
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 3385 8443 3384 8435 3365 8435 3364 8445
3365 8446 3363 8446 3364 8463
TIME...MOT...LOC 1933Z 020DEG 6KT 3377 8441
$$1 follow-up statement
373
WWUS52 KFFC 122002
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
402 PM EDT TUE JUL 12 2011
GAC121-122011-
/O.CAN.KFFC.SV.W.0441.000000T0000Z-110712T2015Z/
FULTON GA-
402 PM EDT TUE JUL 12 2011
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL FULTON COUNTY IS
CANCELLED...
THE THUNDERSTORM HAS WEAKENED AND IS NO LONGER EXPECTED TO PRODUCE
SEVERE WEATHER. HOWEVER...STRONG GUSTY WINDS UP TO 40 MPH... HEAVY
RAIN...AND PEA SIZED HAIL ARE STILL POSSIBLE WITH THIS STORM.
AT 402 PM EDT...RADAR INDICATED THE WEAKENED STORM WAS NORTH OF
BOLTON IN CENTRAL FULTON COUNTY AND DRIFTING NORTHWEST AT 5 MPH.
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
LAT...LON 3385 8443 3384 8435 3365 8435 3364 8445
3365 8446 3363 8446 3364 8463
TIME...MOT...LOC 2001Z 152DEG 4KT 3384 8442
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 9:18 PM EDT | Special Weather Statement | FFC | Gordon | 27 min |
| Jul 11, 9:22 PM EDT | Severe Thunderstorm Warning | FFC | Gordon | 23 min |
| Jul 11, 9:48 PM EDT | Special Weather Statement | FFC | Floyd | 27 min |
| Jul 11, 9:57 PM EDT | Special Weather Statement | FFC | Gordon | 33 min |
| Jul 11, 9:59 PM EDT | Special Weather Statement | FFC | Gordon | 31 min |
| Jul 11, 10:33 PM EDT | Special Weather Statement | FFC | Gordon | 57 min |
| Jul 12, 8:56 AM EDT | Special Weather Statement | FFC | Bartow | 34 min |
| Jul 12, 11:54 AM EDT | Special Weather Statement | FFC | Haralson | 36 min |
| Jul 12, 1:42 PM EDT | Special Weather Statement | FFC | Douglas | 33 min |
| Jul 12, 1:50 PM EDT | Special Weather Statement | FFC | Rockdale | 40 min |
| Jul 12, 1:55 PM EDT | Severe Thunderstorm Warning | FFC | Dade, Walker | 35 min |
| Jul 12, 2:11 PM EDT | Special Weather Statement | FFC | Rockdale | 34 min |
| Jul 12, 2:30 PM EDT | Special Weather Statement | FFC | Clayton | 30 min |
| Jul 12, 2:44 PM EDT | Special Weather Statement | FFC | Chattooga | 31 min |
| Jul 12, 2:52 PM EDT | Severe Thunderstorm Warning | FFC | Clayton, Henry | 23 min |
| Jul 12, 3:04 PM EDT | Special Weather Statement | FFC | Gwinnett | 26 min |
| Jul 12, 3:08 PM EDT | Heat Advisory | FFC | Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 75 more | 37 hr |
| Jul 12, 3:13 PM EDT | Special Weather Statement | FFC | DeKalb | 32 min |
| Jul 12, 3:16 PM EDT | Special Weather Statement | FFC | Fayette | 29 min |
| Jul 12, 3:21 PM EDT | Severe Thunderstorm Warning | FFC | Coweta, Fayette | 39 min |
| Jul 12, 3:41 PM EDT | Special Weather Statement | FFC | Gwinnett | 49 min |
| Jul 12, 4:09 PM EDT | Special Weather Statement | FFC | Coweta | 36 min |
| Jul 12, 4:23 PM EDT | Special Weather Statement | FFC | Meriwether | 37 min |
| Jul 12, 4:35 PM EDT | Special Weather Statement | FFC | Meriwether | 25 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2011Every severe thunderstorm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.