Alert archive / Georgia / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 87, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Mar 30, 2017, 8:38 PM EDT for DeKalb County, Gwinnett County, Rockdale County, Georgia. It was in force for 37 min. 9 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
- Mar 30, 2017, 8:38 PM EDT (00:38 UTC)
- Expired
- Mar 30, 2017, 9:15 PM EDT
- In force
- 37 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties DeKalb County, GA, Gwinnett County, GA, Rockdale County, GA
The radar
The Atlanta radar (KFFC), 84 km from the middle of the area, began a volume at 00:40 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 |
|---|---|---|---|
| Mar 30, 8:40 PM EDT | TSTM WND DMG | 1 E The Landings, GA | REPORT OF A TREE DOWN ON A HOUSE |
| Mar 30, 8:40 PM EDT | TSTM WND DMG | 1 Sw Rockbridge, GA | MULTIPLE TREES DOWN NEAR BERMUDA RD AND STEWART MILLS RD |
| Mar 30, 8:40 PM EDT | TSTM WND DMG | Lake Lucerne Estates, GA | REPORT OF A TREE BLOWN OVER ONTO A HOUSE |
| Mar 30, 8:40 PM EDT | TSTM WND DMG | Meadow Hills, GA | REPORT OF A TREE BLOWN OVER ONTO A HOUSE |
| Mar 30, 8:40 PM EDT | HAIL 1 | Stone Mountain, GA | REPORT OF DENTS IN A GRILL AND WINDOWS SHATTERED FROM POSSIBLE QUARTER-SIZED HAIL AND STRONG WINDS WITHIN CITY LIMITS IN STONE MOUNTAIN |
| Mar 30, 8:45 PM EDT | TSTM WND DMG | 1 Ne Cedar Creek, GA | REPORT OF A TREE BLOWN OVER ONTO A HOUSE |
| Mar 30, 8:45 PM EDT | TSTM WND DMG | 1 N Lake Lucerne Estate, GA | REPORT OF A TREE BLOWN OVER ONTO A BUILDING |
| Mar 30, 8:45 PM EDT | TSTM WND DMG | 1 Sw Rivermist, GA | A TREE WAS BLOWN OVER ONTO A BUILDING |
| Mar 30, 8:45 PM EDT | TSTM WND DMG | Shiloh Farms, GA | REPORT OF TREES AND POWER LINES DOWN NEAR THE INTERSECTION OF BETHANY CHURCH RD AND WATERS WAY IN SNELLVILLE |
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 00:00Z, 0.6 hours before the alert went out and 80 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
- 90 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 2069 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
506
WUUS52 KFFC 310038
SVRFFC
GAC089-135-247-310115-
/O.NEW.KFFC.SV.W.0087.170331T0038Z-170331T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
838 PM EDT THU MAR 30 2017
The National Weather Service in Peachtree City has issued a
* Severe Thunderstorm Warning for...
North central Rockdale County in north central Georgia...
East central DeKalb County in north central Georgia...
Gwinnett County in north central Georgia...
* Until 915 PM EDT
* At 838 PM EDT, a severe thunderstorm was located near Mountain
Park, moving north at 40 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Lawrenceville, Duluth, Sugar Hill, Snellville, Suwanee, Buford,
Lilburn, Norcross, Stone Mountain, Dacula, Grayson, Berkeley Lake,
Pine Lake, Tucker, Mountain Park, Harbin, Rosebud and Hog Mountain.
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 3404 8385 3400 8387 3398 8384 3397 8383
3384 8392 3379 8398 3377 8396 3371 8400
3377 8421 3399 8419 3402 8418 3403 8412
3405 8410 3407 8412 3409 8411 3411 8399
TIME...MOT...LOC 0038Z 196DEG 34KT 3380 8409
HAIL...0.75IN
WIND...60MPH
$$2 follow-up statements
969
WWUS52 KFFC 310048
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
848 PM EDT THU MAR 30 2017
GAC089-247-310058-
/O.CAN.KFFC.SV.W.0087.000000T0000Z-170331T0115Z/
Rockdale GA-DeKalb GA-
848 PM EDT THU MAR 30 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL ROCKDALE AND
EAST CENTRAL DEKALB COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3404 8385 3400 8387 3397 8383 3384 8392
3375 8403 3378 8408 3385 8416 3387 8420
3399 8419 3402 8417 3403 8412 3405 8410
3407 8412 3409 8411 3411 8399
TIME...MOT...LOC 0048Z 196DEG 34KT 3389 8406
$$
GAC135-310115-
/O.CON.KFFC.SV.W.0087.000000T0000Z-170331T0115Z/
Gwinnett GA-
848 PM EDT THU MAR 30 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EDT
FOR GWINNETT COUNTY...
At 848 PM EDT, a severe thunderstorm was located near Snellville,
moving north at 40 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Lawrenceville, Duluth, Sugar Hill, Snellville, Suwanee, Buford,
Lilburn, Norcross, Dacula, Grayson, Berkeley Lake, Tucker, Mountain
Park, Harbin, Rosebud and Hog Mountain.
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 3404 8385 3400 8387 3397 8383 3384 8392
3375 8403 3378 8408 3385 8416 3387 8420
3399 8419 3402 8417 3403 8412 3405 8410
3407 8412 3409 8411 3411 8399
TIME...MOT...LOC 0048Z 196DEG 34KT 3389 8406
HAIL...0.75IN
WIND...60MPH
$$680
WWUS52 KFFC 310106
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
906 PM EDT THU MAR 30 2017
GAC135-310115-
/O.EXP.KFFC.SV.W.0087.000000T0000Z-170331T0115Z/
Gwinnett GA-
906 PM EDT THU MAR 30 2017
...THE SEVERE THUNDERSTORM WARNING FOR GWINNETT COUNTY WILL EXPIRE AT
915 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and is exiting the warned area. Therefore, the warning will
be allowed to expire. However gusty winds over 40 mph are still
possible with this thunderstorm.
LAT...LON 3404 8385 3400 8387 3397 8383 3384 8392
3375 8403 3378 8408 3385 8416 3387 8420
3399 8419 3402 8417 3403 8412 3405 8410
3407 8412 3409 8411 3411 8399
TIME...MOT...LOC 0105Z 196DEG 34KT 3404 8401
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 8:11 PM EDT | Special Weather Statement | FFC | Heard | 34 min |
| Mar 30, 8:32 PM EDT | Special Weather Statement | FFC | Gwinnett, Rockdale | 28 min |
| Mar 30, 9:10 PM EDT | Special Weather Statement | FFC | Forsyth, Hall | 35 min |
| Mar 30, 9:21 PM EDT | Special Weather Statement | FFC | Cobb, Douglas | 39 min |
| Mar 30, 9:34 PM EDT | Special Weather Statement | FFC | Banks, Barrow, Jackson | 41 min |
| Mar 30, 9:39 PM EDT | Special Weather Statement | FFC | Coweta, Meriwether | 51 min |
| Mar 30, 9:43 PM EDT | Special Weather Statement | FFC | Hall, Lumpkin, White | 32 min |
| Mar 30, 9:46 PM EDT | Special Weather Statement | FFC | Washington | 44 min |
| Mar 30, 10:01 PM EDT | Special Weather Statement | FFC | Cherokee, Forsyth | 29 min |
| Mar 30, 10:06 PM EDT | Special Weather Statement | FFC | Banks | 24 min |
| Mar 30, 10:16 PM EDT | Severe Thunderstorm Warning | FFC | Hancock, Taliaferro, Warren | 44 min |
| Mar 30, 10:44 PM EDT | Special Weather Statement | FFC | Glascock | 31 min |
| Mar 30, 10:47 PM EDT | Special Weather Statement | FFC | Taliaferro, Wilkes | 43 min |
| Mar 30, 11:49 PM EDT | Special Weather Statement | FFC | Hall | 26 min |
| Mar 31, 12:18 AM EDT | Special Weather Statement | FFC | Banks | 12 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2017Every severe thunderstorm warning in 2017
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.