Alert archive / Georgia / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 77, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Mar 21, 2017, 8:07 PM EDT for 9 counties in Georgia. It was in force for 38 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 21, 2017, 8:07 PM EDT (00:07 UTC)
- Expired
- Mar 21, 2017, 8:45 PM EDT
- In force
- 38 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Dawson County, GA, Fannin County, GA, Gilmer County, GA, Hall County, GA, Lumpkin County, GA, Pickens County, GA, Towns County, GA, Union County, GA, White County, GA
The radar
The Greer radar (KGSP), 150 km from the middle of the area, began a volume at 00:10 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, 8:10 PM EDT | TSTM WND DMG | 1 Sw Ruden, GA | AUTO SHOP GARAGE HEAVILY DAMAGED ON 3900 CAMP RD |
| Mar 21, 8:10 PM EDT | TSTM WND GST 64 | Blue Ridge, GA | GDOT RWIS SITE MEASURED 64 MPH WIND GUST WITH THE LINE OF STORMS. |
| Mar 21, 8:14 PM EDT | TSTM WND DMG | 2 S Juno, GA | STRUCTURAL DAMAGE TO A HOUSE OFF SWEETWATER JUNO ROAD. MAINLY ROOF DAMAGE. TIME ESTIMATED FROM RADAR. |
| Mar 21, 8:24 PM EDT | TSTM WND DMG | Dougherty, GA | ROOF AND SIDING DAMAGE TO A HOUSE ALONG RIVER VALLEY ROAD. TIME ESTIMATED FROM RADAR. |
| Mar 21, 8:26 PM EDT | TSTM WND DMG | 1 W Lumpkin, GA | ROOF DAMAGE TO METAL BUILDINGS ALONG GRIZZLE ROAD. TIME ESTIMATED FROM RADAR. |
| Mar 21, 8:30 PM EDT | TSTM WND DMG | Dawsonville, GA | MULTIPLE TREES DOWNED ON POWER LINES AND VEHICLES IN AND AROUND THE DAWSONVILLE AREA |
| Mar 21, 8:32 PM EDT | TSTM WND DMG | 1 W Choestoe, GA | EMERGENCY MANAGER REPORTED A TREE ACROSS THE ROADWAY AT WOLF CREEK ROAD AND EARNEY ROAD. |
| Mar 21, 8:32 PM EDT | TSTM WND DMG | 1 W Choestoe, GA | EMERGENCY MANAGER REPORTED POWERLINES DOWN AT WOLF CREEK ROAD AND EARNEY ROAD. |
| Mar 21, 8:36 PM EDT | TSTM WND DMG | 1 Ese Blairsville, GA | EMERGENCY MANAGER REPORTED POWERLINES DOWN EAST OF BLAIRSVILLE AT THE FOLLOWING LOCATIONS TOWN MOUNTAIN ROAD... TRACKROCK GAP ROAD... AND TOWN CREEK SCHOOL ROAD AT TOWN MOUNTAIN ROAD. |
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 |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.1 hours before the alert went out and 158 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.
158
WUUS52 KFFC 220007
SVRFFC
GAC085-111-123-139-187-227-281-291-311-220045-
/O.NEW.KFFC.SV.W.0077.170322T0007Z-170322T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
807 PM EDT TUE MAR 21 2017
The National Weather Service in Peachtree City has issued a
* Severe Thunderstorm Warning for...
Towns County in northeastern Georgia...
Lumpkin County in north central Georgia...
Eastern Gilmer County in north central Georgia...
White County in northeastern Georgia...
Dawson County in north central Georgia...
Northern Hall County in north central Georgia...
Eastern Pickens County in north central Georgia...
Union County in north central Georgia...
Fannin County in north central Georgia...
* Until 845 PM EDT
* At 805 PM EDT, severe thunderstorms were located extending from Hot
House to near Morganton to Amicalola Falls State Park to near Tate,
moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated, plus multiple reports of damage to trees
and powerlines due to very strong winds.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Gainesville, Dahlonega, Jasper, Cleveland, Dawsonville, Blue Ridge,
Hiawassee, Blairsville, Nelson, Young Harris, Clermont, Helen,
Morganton, Suches, Unicoi State Park, Dougherty, Amicalola Falls
State Park, Robertstown, Blue Mountain Shelter and Gumlog.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a DANGEROUS SITUATION. These storms are producing widespread
wind damage across much of north Georgia. 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 3495 8355 3494 8360 3492 8359 3488 8366
3482 8365 3480 8368 3476 8363 3469 8364
3465 8366 3455 8362 3451 8367 3445 8363
3432 8386 3436 8426 3438 8426 3438 8439
3439 8454 3461 8435 3499 8433 3499 8355
TIME...MOT...LOC 0005Z 283DEG 37KT 3500 8426 3482 8425 3459 8425 3440
8443
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, 8:08 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, 9:45 PM EDT | Severe Thunderstorm Warning | FFC | Glascock, Greene, Hancock, Morgan, Oglethorpe, Putnam and 4 more | 45 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.