Alert archive / Georgia / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 251, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jun 23, 2017, 8:50 PM EDT for 5 counties in Georgia. It was in force for 40 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
- Jun 23, 2017, 8:50 PM EDT (00:50 UTC)
- Expired
- Jun 23, 2017, 9:30 PM EDT
- In force
- 40 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Banks County, GA, Barrow County, GA, Gwinnett County, GA, Hall County, GA, Jackson County, GA
The radar
The Atlanta radar (KFFC), 122 km from the middle of the area, began a volume at 00:55 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 |
|---|---|---|---|
| Jun 23, 9:05 PM EDT | TSTM WND DMG | 3 Ne Talmo, GA | A TREE WAS BLOWN OVER ONTO THE ROADWAY ON POND FORK CHURCH RD NEAR PENDERGRASS |
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 00:00Z, 0.8 hours before the alert went out and 118 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
- 364 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1358 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.8
The text
As transmitted.
370 WUUS52 KFFC 240050 SVRFFC GAC011-013-135-139-157-240130- /O.NEW.KFFC.SV.W.0251.170624T0050Z-170624T0130Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Peachtree City GA 850 PM EDT FRI JUN 23 2017 The National Weather Service in Peachtree City has issued a * Severe Thunderstorm Warning for... Northern Barrow County in north central Georgia... Southwestern Banks County in northeastern Georgia... Northeastern Gwinnett County in north central Georgia... Southern Hall County in north central Georgia... Jackson County in northeastern Georgia... * Until 930 PM EDT * At 849 PM EDT, a severe thunderstorm was located near Hog Mountain, or 11 miles northeast of Lawrenceville, moving east at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Winder, Jefferson, Commerce, Sugar Hill, Suwanee, Buford, Braselton, Auburn, Flowery Branch, Dacula, Maysville, Arcade, Nicholson, Hoschton, Pendergrass, Carl, Talmo, Rest Haven, Candler and Chateau Elan. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. If you see wind damage...hail or 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 or tweet us your report at NWSATLANTA. && LAT...LON 3433 8342 3403 8340 3399 8404 3415 8402 TIME...MOT...LOC 0049Z 252DEG 43KT 3411 8390 HAIL...<.75IN WIND...60MPH $$
2 follow-up statements
677
WWUS52 KFFC 240104
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
904 PM EDT FRI JUN 23 2017
GAC013-135-139-240114-
/O.CAN.KFFC.SV.W.0251.000000T0000Z-170624T0130Z/
Barrow GA-Gwinnett GA-Hall GA-
904 PM EDT FRI JUN 23 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN BARROW...NORTHEASTERN
GWINNETT AND SOUTHERN HALL COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3433 8342 3408 8341 3409 8379 3410 8379
3411 8381 3413 8381 3426 8366
TIME...MOT...LOC 0104Z 252DEG 48KT 3417 8369
$$
GAC011-157-240130-
/O.CON.KFFC.SV.W.0251.000000T0000Z-170624T0130Z/
Banks GA-Jackson GA-
904 PM EDT FRI JUN 23 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR SOUTHWESTERN BANKS AND JACKSON COUNTIES...
At 904 PM EDT, a severe thunderstorm was located over Pendergrass, or
7 miles northwest of Jefferson, moving east at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Jefferson, Commerce, Braselton, Maysville, Arcade, Nicholson,
Hoschton, Pendergrass, Talmo, Peach State Speedway, Apple Valley and
Banks Crossing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
If you see wind damage...hail or 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 or tweet us your report at NWSATLANTA.
&&
LAT...LON 3433 8342 3408 8341 3409 8379 3410 8379
3411 8381 3413 8381 3426 8366
TIME...MOT...LOC 0104Z 252DEG 48KT 3417 8369
HAIL...<.75IN
WIND...60MPH
$$396
WWUS52 KFFC 240127
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
927 PM EDT FRI JUN 23 2017
GAC011-157-240136-
/O.EXP.KFFC.SV.W.0251.000000T0000Z-170624T0130Z/
Banks GA-Jackson GA-
927 PM EDT FRI JUN 23 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN BANKS AND JACKSON
COUNTIES WILL EXPIRE AT 930 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning will be allowed to expire. However heavy rain
is still possible with this thunderstorm.
LAT...LON 3433 8342 3408 8341 3409 8379 3410 8379
3411 8381 3413 8381 3426 8366
TIME...MOT...LOC 0126Z 252DEG 43KT 3424 8342
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 8:13 PM EDT | Severe Thunderstorm Warning | FFC | Banks, Dawson, Forsyth, Gwinnett, Hall, Jackson | 47 min |
| Jun 23, 8:16 PM EDT | Special Weather Statement | FFC | Gwinnett | 29 min |
| Jun 23, 8:42 PM EDT | Severe Thunderstorm Warning | FFC | Clayton, Coweta, Fayette, Henry, Spalding | 48 min |
| Jun 23, 8:52 PM EDT | Special Weather Statement | FFC | DeKalb | 38 min |
| Jun 23, 9:13 PM EDT | Severe Thunderstorm Warning | FFC | Clayton, DeKalb, Henry, Newton, Rockdale | 47 min |
| Jun 23, 9:57 PM EDT | Special Weather Statement | FFC | Morgan, Newton | 48 min |
| Jun 24, 10:57 AM EDT | Special Weather Statement | FFC | Coweta | 33 min |
| Jun 24, 2:04 PM EDT | Special Weather Statement | FFC | Twiggs | 26 min |
| Jun 24, 2:17 PM EDT | Special Weather Statement | FFC | Stewart | 28 min |
| Jun 24, 6:50 PM EDT | Special Weather Statement | FFC | Butts | 25 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2017Every severe thunderstorm warning in 2017
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.