Alert archive / Georgia / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 84, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Mar 21, 2017, 9:45 PM EDT for 10 counties in Georgia. It was in force for 45 min. 4 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 21, 2017, 9:45 PM EDT (01:45 UTC)
- Expired
- Mar 21, 2017, 10:30 PM EDT
- In force
- 45 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Glascock County, GA, Greene County, GA, Hancock County, GA, Morgan County, GA, Oglethorpe County, GA, Putnam County, GA, Taliaferro County, GA, Warren County, GA, Washington County, GA, Wilkes County, GA
The radar
The Robins AFB radar (KJGX), 113 km from the middle of the area, began a volume at 01:49 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 |
|---|---|---|---|
| Mar 21, 9:54 PM EDT | TSTM WND DMG | 1 Ssw Washington, GA | EMA REPORTED 8 TREES DOWN IN THE NORTHWEST PORTION OF THE COUNTY... NEAR RAYLE. |
| Mar 21, 10:13 PM EDT | TSTM WND DMG | 1 Ene Hamburg State Par, GA | EMERGENCY MANAGER REPORTED AT LEAST A DOZEN TREES DOWN IN THE NORTHERN PORTION OF THE COUNTY... WITH SOME DOWNED POWERLINES PRODUCING GRASSFIRES. |
| Mar 21, 10:15 PM EDT | TSTM WND DMG | Sparta, GA | WASHINGTON EMC REPORTS POWER POLES SPLIT IN HALF AND LINES DOWN COUNTY WIDE OVER HANCOCK COUNTY. |
| Mar 21, 10:17 PM EDT | TSTM WND DMG | 1 Ssw Washington, GA | EMA REPORTED SEVERAL TREES DOWN NEAR HOLIDAY PARK ON THE SOUTHWEST PORTION OF THE COUNTY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 21, 3:33 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 21, 8:35 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.8 hours before the alert went out and 163 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
- 377 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 2348 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted.
421
WUUS52 KFFC 220145
SVRFFC
GAC125-133-141-211-221-237-265-301-303-317-220230-
/O.NEW.KFFC.SV.W.0084.170322T0145Z-170322T0230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
945 PM EDT TUE MAR 21 2017
The National Weather Service in Peachtree City has issued a
* Severe Thunderstorm Warning for...
Warren County in east central Georgia...
Southeastern Morgan County in north central Georgia...
Eastern Putnam County in central Georgia...
Hancock County in east central Georgia...
Greene County in east central Georgia...
Northwestern Glascock County in east central Georgia...
North central Washington County in east central Georgia...
Taliaferro County in east central Georgia...
Wilkes County in east central Georgia...
Southeastern Oglethorpe County in northeastern Georgia...
* Until 1030 PM EDT
* At 944 PM EDT, severe thunderstorms were located extending from
near Vesta to near Union Point to near Buckhead to Newborn, moving
southeast at 55 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated, plus numerous reports of downed trees
and powerlines across north Georgia.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Eatonton, Washington, Madison, Greensboro, Warrenton, Sparta,
Crawfordville, Union Point, Tignall, Woodville, White Plains,
Siloam, Norwood, Rayle, Mitchell, Buckhead, Sharon, Camak, Reynolds
Plantation and Phoenix.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a DANGEROUS SITUATION. These storms have been producing
widespread wind damage across north Georgia this evening. SEEK
SHELTER NOW inside a sturdy structure and stay away from windows!
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 3365 8249 3366 8251 3364 8256 3365 8258
3361 8265 3335 8255 3335 8253 3318 8272
3310 8309 3315 8310 3317 8318 3329 8333
3355 8349 3367 8310 3398 8270 3399 8266
3386 8261 3387 8257 3383 8260 3364 8248
TIME...MOT...LOC 0144Z 328DEG 50KT 3399 8288 3365 8308 3354 8342 3352
8367
HAIL...1.00IN
WIND...60MPH
$$1 follow-up statement
230
WWUS52 KFFC 220218
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
1018 PM EDT TUE MAR 21 2017
GAC133-211-221-265-317-220228-
/O.CAN.KFFC.SV.W.0084.000000T0000Z-170322T0230Z/
Morgan GA-Greene GA-Taliaferro GA-Wilkes GA-Oglethorpe GA-
1018 PM EDT TUE MAR 21 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MORGAN...
GREENE...TALIAFERRO...WILKES AND SOUTHEASTERN OGLETHORPE COUNTIES IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A severe thunderstorm watch remains in effect until 1100 PM EDT for
east central Georgia. A severe thunderstorm watch also remains in
effect until 200 AM EDT for central and east central Georgia.
LAT...LON 3318 8272 3310 8309 3315 8309 3317 8318
3340 8340 3347 8328 3340 8324 3340 8321
3338 8322 3339 8319 3336 8316 3347 8301
3345 8299 3344 8285 3347 8287 3352 8282
3351 8275 3359 8270 3361 8265 3335 8253
TIME...MOT...LOC 0218Z 324DEG 50KT 3354 8259 3324 8281 3313 8301
$$
GAC125-141-237-301-303-220230-
/O.CON.KFFC.SV.W.0084.000000T0000Z-170322T0230Z/
Warren GA-Putnam GA-Hancock GA-Glascock GA-Washington GA-
1018 PM EDT TUE MAR 21 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT
FOR WARREN...NORTHEASTERN PUTNAM...HANCOCK...NORTHWESTERN GLASCOCK
AND NORTH CENTRAL WASHINGTON COUNTIES...
At 1018 PM EDT, severe thunderstorms were located extending from near
Cadley to near Hamburg State Park to Linton, moving southeast at 60
mph.
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...
Warrenton, Sparta, Norwood, Mitchell, Camak, Phoenix, Springfield,
Hamburg State Park, Cadley, Shoals, Devereux, Jewell, Beulah, Beall
Springs, Mayfield, Oconee Springs Park, Rockville, Powelton, Barnett
and Agricola.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.
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 3318 8272 3310 8309 3315 8309 3317 8318
3340 8340 3347 8328 3340 8324 3340 8321
3338 8322 3339 8319 3336 8316 3347 8301
3345 8299 3344 8285 3347 8287 3352 8282
3351 8275 3359 8270 3361 8265 3335 8253
TIME...MOT...LOC 0218Z 324DEG 50KT 3354 8259 3324 8281 3313 8301
HAIL...1.00IN
WIND...60MPH
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 8:00 PM EDT | Special Weather Statement | FFC | Walton | 30 min |
| Mar 21, 8:02 PM EDT | Severe Thunderstorm Warning | FFC | Banks, Jackson, Madison | 31 min |
| Mar 21, 8:07 PM EDT | Severe Thunderstorm Warning | FFC | Dawson, Fannin, Gilmer, Hall, Lumpkin, Pickens and 3 more | 38 min |
| Mar 21, 8:08 PM EDT | Severe Thunderstorm Warning | FFC | Morgan, Oconee, Walton | 52 min |
| Mar 21, 8:14 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Cherokee, Cobb, Dawson, Floyd, Forsyth and 3 more | 46 min |
| Mar 21, 8:19 PM EDT | Flash Flood Warning | FFC | Clarke, Greene, Oconee, Oglethorpe, Taliaferro, Wilkes | 6 hr |
| Mar 21, 8:30 PM EDT | Special Weather Statement | FFC | Oglethorpe | 45 min |
| Mar 21, 8:40 PM EDT | Severe Thunderstorm Warning | FFC | Carroll, Clayton, Cobb, DeKalb, Douglas, Forsyth and 5 more | 50 min |
| Mar 21, 8:44 PM EDT | Severe Thunderstorm Warning | FFC | Banks, Barrow, Forsyth, Gwinnett, Hall, Jackson and 2 more | 46 min |
| Mar 21, 8:49 PM EDT | Severe Thunderstorm Warning | FFC | Greene, Oconee, Oglethorpe | 41 min |
| Mar 21, 9:20 PM EDT | Special Weather Statement | FFC | Butts, Clayton, Coweta, Fayette, Heard, Henry and 8 more | 40 min |
| Mar 21, 9:22 PM EDT | Severe Thunderstorm Warning | FFC | Barrow, Clarke, Greene, Jackson, Madison, Morgan and 5 more | 38 min |
| Mar 21, 9:53 PM EDT | Special Weather Statement | FFC | Baldwin, Butts, Harris, Jasper, Jones, Lamar and 7 more | 52 min |
| Mar 21, 10:24 PM EDT | Special Weather Statement | FFC | Baldwin, Glascock, Hancock, Jefferson, Jones, Washington | 36 min |
| Mar 21, 10:55 PM EDT | Special Weather Statement | FFC | Emanuel, Johnson, Wilkinson | 50 min |
| Mar 21, 11:51 PM EDT | Special Weather Statement | FFC | Montgomery, Toombs | 39 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.