Alert archive / Georgia / Special Weather Statements in 2021
Special Weather Statement, NWS Atlanta, GA
NWS Atlanta, GA issued this special weather statement at Mar 18, 2021, 10:58 AM EDT for Johnson County, Laurens County, Georgia. It was in force for 32 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
- Mar 18, 2021, 10:58 AM EDT (14:58 UTC)
- Expired
- Mar 18, 2021, 11:30 AM EDT
- In force
- 32 min
- Issued by
- NWS Atlanta, GA
- Wind
- 40
Counties Johnson County, GA, Laurens County, GA
The radar
The Robins AFB radar (KJGX), 50 km from the middle of the area, began a volume at 15:02 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, 3.0 hours before the alert went out and 181 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
- 583 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 480 m above ground
- 0-6 km bulk shear
- 83 kt
- 0-1 km storm-relative helicity
- 398 m²/s²
- 0-3 km storm-relative helicity
- 542 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 5.7
The text
As transmitted.
869
WWUS82 KFFC 181458
SPSFFC
Special Weather Statement
National Weather Service Peachtree City GA
1058 AM EDT Thu Mar 18 2021
GAZ085-097-181530-
Johnson GA-Laurens GA-
1058 AM EDT Thu Mar 18 2021
...SIGNIFICANT WEATHER ADVISORY FOR JOHNSON AND LAURENS COUNTIES
UNTIL 1130 AM EDT...
At 1058 AM EDT...a line of strong thunderstorms was along a line
extending from near Dublin to Cadwell...and moving northeast at 45
mph.
HAZARD...40 mph wind and heavy rain.
IMPACT...Expect minor damage to tree limbs and blowing around of
light...unsecured objects. Heavy rain may cause temporary
street flooding especially in poor drainage areas.
Some locations in the path of these storms include
Dublin, East Dublin, Cadwell, Rentz, Lovett, Spann, Harlow,
Rockledge, Brewton, Lowery, Scott and Minter.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
People outdoors should seek shelter immediately. Motorists should
slow down and be prepared for possible loss of control due to
hydroplaning.
LAT...LON 3259 8300 3271 8264 3253 8265 3232 8275
3230 8307
TIME...MOT...LOC 1458Z 244DEG 57KT 3257 8292 3233 8301
WIND...40MPH
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 8:01 PM EDT | Severe Thunderstorm Warning | FFC | Houston, Twiggs | 29 min |
| Mar 17, 11:32 PM EDT | River Flood Warning | FFC | Walker | 12 hr |
| Mar 18, 12:12 AM EDT | Severe Thunderstorm Warning | FFC | Bartow, Chattooga, Floyd, Gordon, Haralson, Paulding and 1 more | 48 min |
| Mar 18, 12:23 AM EDT | Flash Flood Warning | FFC | Bartow, Catoosa, Chattooga, Dade, Floyd, Gordon and 4 more | 7 hr |
| Mar 18, 12:44 AM EDT | Special Weather Statement | FFC | Chattahoochee, Harris, Muscogee, Stewart | 31 min |
| Mar 18, 1:01 AM EDT | Special Weather Statement | FFC | Bartow, Cherokee, Haralson, Paulding, Polk | 29 min |
| Mar 18, 2:12 AM EDT | River Flood Warning | FFC | Catoosa | 22 hr |
| Mar 18, 3:21 AM EDT | River Flood Warning | FFC | Murray, Whitfield | 47 hr |
| Mar 18, 4:09 AM EDT | Wind Advisory | FFC | Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more | 16 hr |
| Mar 18, 9:34 AM EDT | Special Weather Statement | FFC | Crisp, Dooly | 26 min |
| Mar 18, 9:57 AM EDT | Special Weather Statement | FFC | Pulaski | 33 min |
| Mar 18, 10:32 AM EDT | Special Weather Statement | FFC | Dodge | 28 min |
| Mar 18, 11:07 AM EDT | Special Weather Statement | FFC | Dodge | 23 min |
| Mar 18, 2:38 PM EDT | River Flood Warning | FFC | Gwinnett | 3 hr |
| Mar 18, 7:13 PM EDT | River Flood Warning | FFC | Floyd | 20 hr |
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.