Alert archive / Georgia / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 46, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 20, 2018, 6:48 PM EDT for 4 counties in Georgia. It was in force for 27 min. 3 reports 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 20, 2018, 6:48 PM EDT (22:48 UTC)
- Expired
- May 20, 2018, 7:15 PM EDT
- In force
- 27 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Clayton County, GA, Coweta County, GA, Fayette County, GA, Fulton County, GA
The radar
The Atlanta radar (KFFC), 14 km from the middle of the area, began a volume at 22:49 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 20, 6:50 PM EDT | TSTM WND DMG | 2 Ssw Riverdale, GA | TREE REPORTED DOWN AT THE INTERSECTION OF BERNARDO DR AND LAKE RIDGE PKWY. |
| May 20, 6:53 PM EDT | TSTM WND DMG | 3 Wnw Sharpsburg, GA | TREE DOWN AND BLOWN TRANSFORMER AT THE 2500 BLOCK OF POPLAR RD. |
| May 20, 7:03 PM EDT | TSTM WND DMG | 1 Sw Madras, GA | TREE REPORTED DOWN ACROSS THE ROAD ON MADRAS PKWY NEAR THE INTERSECTION WITH N HWY 29. |
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, 10.8 hours before the alert went out and 14 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
- 529 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 944 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
448 WUUS52 KFFC 202248 SVRFFC GAC063-077-113-121-202315- /O.NEW.KFFC.SV.W.0046.180520T2248Z-180520T2315Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Peachtree City GA 648 PM EDT SUN MAY 20 2018 The National Weather Service in Peachtree City has issued a * Severe Thunderstorm Warning for... Fayette County in north central Georgia... Eastern Coweta County in west central Georgia... West central Clayton County in north central Georgia... South central Fulton County in north central Georgia... * Until 715 PM EDT. * At 648 PM EDT, a severe thunderstorm was located near Sandy Creek, or near Fayetteville, moving southwest at 15 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Newnan, Fayetteville, Jonesboro, Peachtree City, Union City, Riverdale, Fairburn, Tyrone, Palmetto, Senoia, Sharpsburg, Turin, Cannongate, Sandy Creek, Thomas Crossroads, Madras and Irondale. 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 3363 8450 3349 8435 3324 8461 3344 8483 TIME...MOT...LOC 2248Z 048DEG 13KT 3352 8449 HAIL...0.75IN WIND...60MPH $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 8:37 PM EDT | Special Weather Statement | FFC | Emanuel, Montgomery | 23 min |
| May 19, 9:16 PM EDT | Special Weather Statement | FFC | Barrow, Gwinnett, Jackson, Madison | 29 min |
| May 19, 9:46 PM EDT | Special Weather Statement | FFC | Barrow, Jackson, Madison | 29 min |
| May 19, 10:49 PM EDT | Special Weather Statement | FFC | Lee | 26 min |
| May 19, 11:21 PM EDT | Special Weather Statement | FFC | Lee | 24 min |
| May 20, 1:05 PM EDT | Special Weather Statement | FFC | Gilmer | 40 min |
| May 20, 2:02 PM EDT | Special Weather Statement | FFC | Gilmer | 28 min |
| May 20, 2:22 PM EDT | Special Weather Statement | FFC | Bleckley | 38 min |
| May 20, 2:29 PM EDT | Special Weather Statement | FFC | Pickens | 31 min |
| May 20, 2:58 PM EDT | Special Weather Statement | FFC | Lumpkin, White | 32 min |
| May 20, 3:09 PM EDT | Special Weather Statement | FFC | Wilkinson | 36 min |
| May 20, 3:30 PM EDT | Special Weather Statement | FFC | White | 30 min |
| May 20, 4:05 PM EDT | Special Weather Statement | FFC | Hall | 25 min |
| May 20, 4:07 PM EDT | Special Weather Statement | FFC | Washington | 23 min |
| May 20, 4:42 PM EDT | Special Weather Statement | FFC | Monroe | 33 min |
| May 20, 4:49 PM EDT | Special Weather Statement | FFC | Gwinnett | 26 min |
| May 20, 5:06 PM EDT | Special Weather Statement | FFC | Barrow, Butts, Clarke, DeKalb, Greene, Gwinnett and 7 more | 24 min |
| May 20, 5:07 PM EDT | Special Weather Statement | FFC | Cobb, Douglas, Fulton | 23 min |
| May 20, 5:30 PM EDT | Special Weather Statement | FFC | Barrow, DeKalb, Douglas, Fulton, Gwinnett | 30 min |
| May 20, 5:31 PM EDT | Special Weather Statement | FFC | Coweta | 29 min |
| May 20, 5:58 PM EDT | Special Weather Statement | FFC | DeKalb | 32 min |
| May 20, 6:00 PM EDT | Special Weather Statement | FFC | Paulding | 30 min |
| May 20, 6:22 PM EDT | Special Weather Statement | FFC | Chattooga | 38 min |
| May 20, 6:29 PM EDT | Special Weather Statement | FFC | Clayton | 31 min |
| May 20, 6:56 PM EDT | Special Weather Statement | FFC | Walton | 34 min |
| May 20, 7:15 PM EDT | Special Weather Statement | FFC | Coweta, Fayette | 30 min |
| May 20, 7:41 PM EDT | Severe Thunderstorm Warning | FFC | Coweta, Meriwether, Troup | 20 min |
| May 20, 7:48 PM EDT | Special Weather Statement | FFC | Carroll | 27 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2018Every severe thunderstorm warning in 2018
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.