Alert archive / Georgia / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 74, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Mar 26, 2011, 10:22 PM EDT for Forsyth County, Hall County, Jackson County, Georgia. It was in force for 38 min. 6 reports 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
- Mar 26, 2011, 10:22 PM EDT (02:22 UTC)
- Expired
- Mar 26, 2011, 11:00 PM EDT
- In force
- 38 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Forsyth County, GA, Hall County, GA, Jackson County, GA
The radar
The Atlanta radar (KFFC), 116 km from the middle of the area, began a volume at 02:26 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 |
|---|---|---|---|
| Mar 26, 10:34 PM EDT | HAIL 1 | Oakwood, GA | PUBLIC REPORTED QUARTER-SIZED HAIL IN OAKWOOD. |
| Mar 26, 10:37 PM EDT | HAIL 1 | Oakwood, GA | PUBLIC REPORTED QUARTER-SIZED HAIL IN OAKWOOD. |
| Mar 26, 10:37 PM EDT | HAIL 1.75 | Flowery Branch, GA | |
| Mar 26, 10:45 PM EDT | HAIL 1 | Flowery Branch, GA | PUBLIC REPORTS QUARTER-SIZED HAIL IN FLOWERY BRANCH. |
| Mar 26, 10:47 PM EDT | HAIL 1 | 1 E Flowery Branch, GA | PUBLIC REPORTED DIME TO QUARTER SIZED HAIL IN FLOWERY BRANCH. |
| Mar 26, 10:47 PM EDT | HAIL 1.75 | 1 E Flowery Branch, GA | PUBLIC REPORTED DIME TO GOLF BALL SIZED HAIL IN FLOWERY BRANCH. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 26, 9:19 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.4 hours before the alert went out and 112 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
- 120 J/kg
- Mixed-layer CIN
- -166 J/kg
- Mixed-layer LCL
- 635 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 343 m²/s²
- 0-3 km storm-relative helicity
- 404 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.7
The text
As transmitted, in the capitals the NWS used until 2016.
343
WUUS52 KFFC 270222
SVRFFC
GAC117-139-157-270300-
/O.NEW.KFFC.SV.W.0074.110327T0222Z-110327T0300Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1022 PM EDT SAT MAR 26 2011
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN FORSYTH COUNTY IN NORTH CENTRAL GEORGIA
SOUTHERN HALL COUNTY IN NORTH CENTRAL GEORGIA
NORTHWESTERN JACKSON COUNTY IN NORTHEAST GEORGIA
* UNTIL 1100 PM EDT
* AT 1019 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 6 MILES WEST
OF FLOWERY BRANCH...MOVING EAST AT 45 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
OAKWOOD...GAINESVILLE...BRASELTON...TALMO...PENDERGRASS AND
GILLSVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
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 3433 8365 3430 8362 3411 8357 3411 8381
3412 8382 3411 8384 3411 8392 3417 8406
3411 8410 3429 8409 3435 8365
TIME...MOT...LOC 0222Z 263DEG 41KT 3420 8400
$$1 follow-up statement
844
WWUS52 KFFC 270237
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1037 PM EDT SAT MAR 26 2011
GAC117-270246-
/O.CAN.KFFC.SV.W.0074.000000T0000Z-110327T0300Z/
FORSYTH GA-
1037 PM EDT SAT MAR 26 2011
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN FORSYTH COUNTY IS
CANCELLED...
THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF FORSYTH COUNTY.
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM EDT
SUNDAY MORNING FOR NORTHERN GEORGIA.
LAT...LON 3435 8365 3431 8365 3430 8362 3411 8357
3411 8381 3412 8383 3411 8384 3411 8390
3417 8406 3418 8406 3420 8398 3424 8395
3427 8395 3428 8393 3431 8395
TIME...MOT...LOC 0236Z 263DEG 41KT 3422 8381
$$
GAC139-157-270300-
/O.CON.KFFC.SV.W.0074.000000T0000Z-110327T0300Z/
HALL GA-JACKSON GA-
1037 PM EDT SAT MAR 26 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR NORTHWESTERN JACKSON AND SOUTHERN HALL COUNTIES...
AT 1033 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED
HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED NEAR
OAKWOOD...MOVING EAST AT 45 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CANDLER...BRASELTON...TALMO...PENDERGRASS...GILLSVILLE AND JEFFERSON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM EDT SUNDAY
MORNING FOR NORTHERN GEORGIA.
&&
LAT...LON 3435 8365 3431 8365 3430 8362 3411 8357
3411 8381 3412 8383 3411 8384 3411 8390
3417 8406 3418 8406 3420 8398 3424 8395
3427 8395 3428 8393 3431 8395
TIME...MOT...LOC 0236Z 263DEG 41KT 3422 8381
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 26, 8:00 PM EDT | Tornado Warning | FFC | Bibb, Crawford, Houston, Peach, Twiggs, Wilkinson | 45 min |
| Mar 26, 8:14 PM EDT | Severe Thunderstorm Warning | FFC | Marion, Schley, Stewart, Sumter, Webster | 46 min |
| Mar 26, 8:23 PM EDT | Severe Thunderstorm Warning | FFC | Floyd, Polk | 43 min |
| Mar 26, 8:25 PM EDT | Severe Thunderstorm Warning | FFC | Chattooga, Dade, Walker | 50 min |
| Mar 26, 8:25 PM EDT | Tornado Warning | FFC | Stewart, Sumter, Webster | 50 min |
| Mar 26, 8:39 PM EDT | Severe Thunderstorm Warning | FFC | Gilmer, Murray | 51 min |
| Mar 26, 8:53 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Floyd, Gordon | 52 min |
| Mar 26, 9:14 PM EDT | Severe Thunderstorm Warning | FFC | Dawson, Fannin, Lumpkin, Union | 46 min |
| Mar 26, 9:20 PM EDT | Severe Thunderstorm Warning | FFC | Johnson, Laurens, Wilkinson | 40 min |
| Mar 26, 9:28 PM EDT | Severe Thunderstorm Warning | FFC | Cherokee, Gilmer, Pickens | 47 min |
| Mar 26, 9:37 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Chattooga, Floyd | 38 min |
| Mar 26, 9:44 PM EDT | Severe Thunderstorm Warning | FFC | Hall, White | 46 min |
| Mar 26, 9:44 PM EDT | Tornado Warning | FFC | Emanuel, Johnson, Laurens | 46 min |
| Mar 26, 10:08 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Cherokee, Cobb, Paulding, Polk | 52 min |
| Mar 26, 10:09 PM EDT | Severe Thunderstorm Warning | FFC | Clayton, Fayette, Fulton, Henry | 25 min |
| Mar 26, 10:30 PM EDT | Severe Thunderstorm Warning | FFC | Cobb, DeKalb, Fulton, Gwinnett | 60 min |
| Mar 26, 10:41 PM EDT | Severe Thunderstorm Warning | FFC | Haralson, Polk | 49 min |
| Mar 26, 11:13 PM EDT | Severe Thunderstorm Warning | FFC | Barrow, DeKalb, Henry, Newton, Oconee, Rockdale and 1 more | 47 min |
| Mar 26, 11:56 PM EDT | Severe Thunderstorm Warning | FFC | Carroll, Coweta, Douglas, Fulton | 34 min |
| Mar 27, 1:38 AM EDT | Severe Thunderstorm Warning | FFC | Heard, Troup | 52 min |
| Mar 27, 2:15 AM EDT | River Flood Warning | FFC | Forsyth, Fulton | 29 hr |
| Mar 27, 3:00 AM EDT | Tornado Warning | FFC | Meriwether, Talbot, Troup, Upson | 45 min |
| Mar 27, 3:55 AM EDT | Severe Thunderstorm Warning | FFC | Bibb, Crawford, Lamar, Monroe, Peach, Upson | 50 min |
| Mar 27, 6:08 AM EDT | Severe Thunderstorm Warning | FFC | Hall, Jackson | 37 min |
| Mar 27, 6:22 AM EDT | Severe Thunderstorm Warning | FFC | Greene, Hancock, Taliaferro, Warren | 38 min |
| Mar 27, 7:33 AM EDT | Severe Thunderstorm Warning | FFC | Coweta, Fayette, Meriwether, Pike, Spalding | 27 min |
| Mar 27, 7:38 AM EDT | River Flood Warning | FFC | Whitfield | 46 hr |
| Mar 27, 10:30 AM EDT | Severe Thunderstorm Warning | FFC | Meriwether, Talbot, Upson | 30 min |
| Mar 27, 10:33 AM EDT | Severe Thunderstorm Warning | FFC | Bibb, Crawford, Monroe | 42 min |
| Mar 27, 10:57 AM EDT | Severe Thunderstorm Warning | FFC | Bibb, Crawford, Monroe, Upson | 48 min |
| Mar 27, 12:48 PM EDT | Severe Thunderstorm Warning | FFC | Johnson, Laurens | 42 min |
| Mar 27, 1:14 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel, Treutlen | 46 min |
| Mar 27, 1:38 PM EDT | Severe Thunderstorm Warning | FFC | Chattahoochee, Stewart | 37 min |
| Mar 27, 2:01 PM EDT | Severe Thunderstorm Warning | FFC | Emanuel, Laurens, Montgomery, Toombs, Treutlen, Wheeler | 44 min |
| Mar 27, 2:22 PM EDT | Severe Thunderstorm Warning | FFC | Marion, Schley, Sumter, Webster | 53 min |
| Mar 27, 2:32 PM EDT | Severe Thunderstorm Warning | FFC | Dooly, Pulaski | 43 min |
| Mar 27, 2:52 PM EDT | Severe Thunderstorm Warning | FFC | Bleckley, Dodge | 53 min |
| Mar 27, 3:01 PM EDT | Severe Thunderstorm Warning | FFC | Laurens, Montgomery, Treutlen, Wheeler | 59 min |
| Mar 27, 3:11 PM EDT | Severe Thunderstorm Warning | FFC | Crisp, Dooly | 49 min |
| Mar 27, 3:34 PM EDT | Severe Thunderstorm Warning | FFC | Dodge, Wilcox | 56 min |
| Mar 27, 3:51 PM EDT | Severe Thunderstorm Warning | FFC | Dodge, Montgomery, Telfair, Toombs, Wheeler | 54 min |
| Mar 27, 4:26 PM EDT | Severe Thunderstorm Warning | FFC | Dodge, Telfair, Wilcox | 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.