Alert archive / Georgia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 136, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Aug 11, 2021, 9:21 PM EDT for Macon County, Schley County, Sumter County, Georgia. It was in force for 24 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
- Aug 11, 2021, 9:21 PM EDT (01:21 UTC)
- Expired
- Aug 11, 2021, 9:45 PM EDT
- In force
- 24 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Macon County, GA, Schley County, GA, Sumter County, GA
The radar
The Robins AFB radar (KJGX), 85 km from the middle of the area, began a volume at 01:21 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, 1.4 hours before the alert went out and 136 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
- 328 J/kg
- Mixed-layer CIN
- -155 J/kg
- Mixed-layer LCL
- 1363 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
560
WUUS52 KFFC 120121
SVRFFC
GAC193-249-261-120145-
/O.NEW.KFFC.SV.W.0136.210812T0121Z-210812T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
921 PM EDT Wed Aug 11 2021
The National Weather Service in Peachtree City has issued a
* Severe Thunderstorm Warning for...
Southern Macon County in west central Georgia...
Eastern Schley County in west central Georgia...
Northeastern Sumter County in west central Georgia...
* Until 945 PM EDT.
* At 920 PM EDT, a severe thunderstorm was located over Clearview, or
near Oglethorpe, and is nearly stationary.
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...
Oglethorpe, Montezuma, Andersonville, Andersonville National
Historic, Clearview, Bumphead, Fountainville, La Crosse, Pennington
and Bartlett.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
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 3215 8429 3237 8426 3230 8391 3226 8393
3225 8397 3222 8398 3218 8403 3215 8403
3213 8402 3211 8403
TIME...MOT...LOC 0120Z 279DEG 2KT 3221 8408
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$1 follow-up statement
590
WWUS52 KFFC 120135
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
935 PM EDT Wed Aug 11 2021
GAC193-249-261-120145-
/O.CON.KFFC.SV.W.0136.000000T0000Z-210812T0145Z/
Macon GA-Schley GA-Sumter GA-
935 PM EDT Wed Aug 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR SOUTHERN MACON...EASTERN SCHLEY AND NORTHEASTERN SUMTER
COUNTIES...
At 935 PM EDT, a severe thunderstorm was located over Clearview, or
near Oglethorpe, and is nearly stationary.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Oglethorpe, Montezuma, Andersonville, Andersonville National
Historic, Clearview, Bumphead, Fountainville, La Crosse, Pennington
and Bartlett.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3215 8429 3237 8426 3230 8391 3226 8393
3225 8397 3222 8398 3218 8403 3215 8403
3213 8402 3211 8403
TIME...MOT...LOC 0135Z 279DEG 2KT 3221 8407
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 8:01 PM EDT | Special Weather Statement | FFC | Muscogee | 29 min |
| Aug 11, 8:11 PM EDT | Special Weather Statement | FFC | Muscogee | 34 min |
| Aug 11, 8:32 PM EDT | Special Weather Statement | FFC | Schley | 28 min |
| Aug 11, 8:36 PM EDT | Special Weather Statement | FFC | Crawford | 24 min |
| Aug 11, 9:01 PM EDT | Special Weather Statement | FFC | Crawford, Peach, Taylor | 29 min |
| Aug 11, 9:03 PM EDT | Special Weather Statement | FFC | Schley | 27 min |
| Aug 11, 9:04 PM EDT | Special Weather Statement | FFC | Macon | 26 min |
| Aug 11, 9:30 PM EDT | Special Weather Statement | FFC | Twiggs | 30 min |
| Aug 11, 9:34 PM EDT | Special Weather Statement | FFC | Taylor | 41 min |
| Aug 11, 9:46 PM EDT | Special Weather Statement | FFC | Macon, Schley | 29 min |
| Aug 11, 10:14 PM EDT | Special Weather Statement | FFC | Macon, Marion, Schley, Sumter, Talbot, Taylor and 1 more | 46 min |
| Aug 11, 10:38 PM EDT | Special Weather Statement | FFC | Harris | 37 min |
| Aug 11, 10:40 PM EDT | Special Weather Statement | FFC | Houston | 35 min |
| Aug 11, 11:11 PM EDT | Special Weather Statement | FFC | Sumter | 34 min |
| Aug 12, 4:30 PM EDT | Special Weather Statement | FFC | Heard | 30 min |
| Aug 12, 7:27 PM EDT | Special Weather Statement | FFC | Stewart | 33 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.