Alert archive / Georgia / Special Weather Statements in 2021
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at Oct 3, 2021, 3:27 PM EDT for Forsyth County, Georgia. It was in force for 33 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
- Oct 3, 2021, 3:27 PM EDT (19:27 UTC)
- Expired
- Oct 3, 2021, 4:00 PM EDT
- In force
- 33 min
- Issued by
- NWS Atlanta, GA
- Hail
- 0.00 in
- Wind
- 30
County Forsyth County, GA
The radar
The Atlanta radar (KFFC), 110 km from the middle of the area, began a volume at 19:27 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 12:00Z, 7.5 hours before the alert went out and 107 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
- 146 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 909 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
944
WWUS82 KFFC 031927
SPSFFC
Special Weather Statement
National Weather Service Peachtree City GA
327 PM EDT Sun Oct 3 2021
GAZ022-032000-
Forsyth GA-
327 PM EDT Sun Oct 3 2021
...A strong thunderstorm will impact portions of Forsyth County
through 400 PM EDT...
At 327 PM EDT, a strong thunderstorm was over Cumming, moving
northeast at 20 mph.
HAZARD...Frequent cloud to ground lightning and heavy rain.
SOURCE...Radar indicated.
IMPACT...Lightning is one of nature's leading killers. If you can
hear thunder, you are close enough to be struck by
lightning. Heavy rain may cause temporary street flooding
especially in poor drainage areas.
Locations impacted include...
Cumming, Matt, Drew, Silver City, Chestatee, Oscarville, Ducktown,
Coal Mountain and Hightower.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
People outdoors should seek shelter immediately. Electrical
appliances should not be used unless in an emergency. Motorists
should slow down and be prepared for possible loss of control due to
hydroplaning.
&&
LAT...LON 3433 8395 3430 8395 3430 8393 3428 8393
3427 8395 3424 8395 3423 8397 3422 8396
3419 8400 3419 8405 3415 8408 3411 8417
3423 8426 3429 8426 3434 8419
TIME...MOT...LOC 1927Z 237DEG 19KT 3424 8416
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...<30 MPH
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 3, 2:30 PM EDT | Special Weather Statement | FFC | Macon | 30 min |
| Oct 3, 2:37 PM EDT | Special Weather Statement | FFC | Walton | 23 min |
| Oct 3, 2:54 PM EDT | Special Weather Statement | FFC | Barrow | 36 min |
| Oct 3, 2:57 PM EDT | Special Weather Statement | FFC | Dooly | 33 min |
| Oct 3, 3:13 PM EDT | Special Weather Statement | FFC | Sumter | 32 min |
| Oct 3, 3:31 PM EDT | Special Weather Statement | FFC | Hall | 14 min |
| Oct 3, 3:39 PM EDT | Special Weather Statement | FFC | Dooly | 36 min |
| Oct 3, 3:59 PM EDT | Special Weather Statement | FFC | Houston | 31 min |
| Oct 3, 5:30 PM EDT | Special Weather Statement | FFC | Coweta | 30 min |
| Oct 3, 5:32 PM EDT | Special Weather Statement | FFC | Jasper, Putnam | 28 min |
| Oct 3, 6:38 PM EDT | Special Weather Statement | FFC | Schley | 37 min |
| Oct 3, 6:53 PM EDT | Special Weather Statement | FFC | DeKalb, Fulton | 37 min |
Nearby
Special Weather Statements in Georgia, 2021Every special weather statement 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.