Alert archive / Georgia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 89, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 11, 2021, 7:59 PM EDT for Bleckley County, Twiggs County, Georgia. It was in force for 46 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
- May 11, 2021, 7:59 PM EDT (23:59 UTC)
- Expired
- May 11, 2021, 8:45 PM EDT
- In force
- 46 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Bleckley County, GA, Twiggs County, GA
The radar
The Robins AFB radar (KJGX), 13 km from the middle of the area, began a volume at 00:05 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 |
|---|---|---|---|
| May 11, 8:02 PM EDT | TSTM WND DMG | 3 Sse Bullard, GA | REPORT OF A TREE BLOWN DOWN AT HWY 129 AND ADAMS PARK RD |
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, 12.0 hours before the alert went out and 132 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
- 46 J/kg
- Mixed-layer CIN
- -119 J/kg
- Mixed-layer LCL
- 774 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
685
WUUS52 KFFC 112359
SVRFFC
GAC023-289-120045-
/O.NEW.KFFC.SV.W.0089.210511T2359Z-210512T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
759 PM EDT Tue May 11 2021
The National Weather Service in Peachtree City has issued a
* Severe Thunderstorm Warning for...
Southern Twiggs County in central Georgia...
Northwestern Bleckley County in central Georgia...
* Until 845 PM EDT.
* At 759 PM EDT, a severe thunderstorm was located over Bullard, or 9
miles southwest of Jeffersonville, moving southeast at 10 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Tarversville, District Path and Bullard.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
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 3261 8354 3267 8347 3258 8324 3243 8341
TIME...MOT...LOC 2359Z 307DEG 10KT 3259 8347
HAIL...1.00IN
WIND...60MPH
$$2 follow-up statements
580
WWUS52 KFFC 120028
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
828 PM EDT Tue May 11 2021
GAC023-289-120045-
/O.CON.KFFC.SV.W.0089.000000T0000Z-210512T0045Z/
Twiggs GA-Bleckley GA-
828 PM EDT Tue May 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR SOUTHEASTERN TWIGGS AND NORTH CENTRAL BLECKLEY COUNTIES...
At 828 PM EDT, a severe thunderstorm was located over Tarversville,
or 10 miles south of Jeffersonville, moving southeast at 10 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Tarversville and District Path.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3255 8347 3263 8339 3258 8324 3246 8338
TIME...MOT...LOC 0028Z 307DEG 10KT 3254 8339
HAIL...1.00IN
WIND...60MPH
$$338
WWUS52 KFFC 120036
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
836 PM EDT Tue May 11 2021
GAC023-289-120046-
/O.EXP.KFFC.SV.W.0089.000000T0000Z-210512T0045Z/
Twiggs GA-Bleckley GA-
836 PM EDT Tue May 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TWIGGS AND NORTH
CENTRAL BLECKLEY COUNTIES WILL EXPIRE AT 845 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 gusty
winds and heavy rain are still possible with this thunderstorm.
LAT...LON 3255 8347 3263 8339 3258 8324 3246 8338
TIME...MOT...LOC 0036Z 307DEG 10KT 3253 8338
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 3:16 PM EDT | Special Weather Statement | FFC | Spalding | 29 min |
| May 11, 3:34 PM EDT | Severe Thunderstorm Warning | FFC | Butts, Henry, Spalding | 26 min |
| May 11, 4:31 PM EDT | Special Weather Statement | FFC | Baldwin | 29 min |
| May 11, 4:34 PM EDT | Special Weather Statement | FFC | Jasper | 26 min |
| May 11, 4:40 PM EDT | Severe Thunderstorm Warning | FFC | Baldwin, Hancock, Putnam | 39 min |
| May 11, 4:45 PM EDT | Severe Thunderstorm Warning | FFC | Jasper, Jones | 23 min |
| May 11, 4:49 PM EDT | Special Weather Statement | FFC | Jefferson | 26 min |
| May 11, 5:53 PM EDT | Special Weather Statement | FFC | Harris | 37 min |
| May 11, 6:22 PM EDT | Special Weather Statement | FFC | Upson | 23 min |
| May 11, 7:22 PM EDT | Special Weather Statement | FFC | Wilkinson | 23 min |
| May 11, 7:48 PM EDT | Special Weather Statement | FFC | Twiggs | 27 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2021Every severe thunderstorm warning in 2021
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.