Alert archive / Georgia / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 3, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Mar 17, 2018, 8:10 PM EDT for Fannin County, Towns County, Union County, Georgia. It was in force for 50 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 17, 2018, 8:10 PM EDT (00:10 UTC)
- Expired
- Mar 17, 2018, 9:00 PM EDT
- In force
- 50 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Fannin County, GA, Towns County, GA, Union County, GA
The radar
The Knoxville radar (KMRX), 153 km from the middle of the area, began a volume at 00:11 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 17, 9:00 PM EDT | HAIL 2.12 | Ivy Log, GA | VIA TWITTER, A HAIL STONE MEASURING 2 1/8 INCHES ACROSS WAS MEASURED. (PHOTO W/ MEASURING TAPE SENT) |
| Mar 17, 9:10 PM EDT | HAIL 0.87 | 3 Sse Ivy Log, GA | NICKLE SIZED HAIL NEAR THE INTERSECTION OF LAKE NOTTLEY DR AND BLACKBIRD DR |
| Mar 17, 9:10 PM EDT | HAIL 1.25 | 3 Se Ivy Log, GA | CALLER REPORTEDE MOSTLY NICKLE SIZED HAIL, WITH A FEW STONE LARGER THAN A QUARTER. EVEN FOUND A 'CLUSTER' OF FUSED STONES MEASURING 2.12 ACROSS. |
| Mar 17, 9:10 PM EDT | HAIL 2.12 | 3 Se Ivy Log, GA | CALLER REPORTED MOSTLY NICKEL SIZED HAIL, WITH A FEW STONES LARGER THAN A QUARTER. LARGEST STONE FOUND MEASURED 2.12 ACROSS. |
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, 0.2 hours before the alert went out and 174 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
- 368 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 1222 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 155 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.9
The text
As transmitted.
847
WUUS52 KFFC 180010
SVRFFC
GAC111-281-291-180100-
/O.NEW.KFFC.SV.W.0003.180318T0010Z-180318T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
810 PM EDT SAT MAR 17 2018
The National Weather Service in Peachtree City has issued a
* Severe Thunderstorm Warning for...
Northwestern Towns County in northeastern Georgia...
Union County in north central Georgia...
Northeastern Fannin County in north central Georgia...
* Until 900 PM EDT
* At 809 PM EDT, a severe thunderstorm was located over Archville, or
8 miles east of Benton, moving southeast at 50 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...
Blairsville, Young Harris, Morganton, Hemp, Gumlog, Nottely Dam,
Ivy Log, Loving, Jones Creek, Woods Hole Shelter, Owltown, Mineral
Bluff, Vogel State Park, Track Rock, Blood Mountain Shelter,
Alexanders Mill, Culberson and Copperhill.
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 3498 8385 3481 8382 3473 8391 3474 8394
3473 8396 3499 8445 3499 8387
TIME...MOT...LOC 0009Z 298DEG 42KT 3513 8452
HAIL...1.00IN
WIND...60MPH
$$1 follow-up statement
253
WWUS52 KFFC 180047
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
847 PM EDT SAT MAR 17 2018
GAC111-281-291-180100-
/O.CON.KFFC.SV.W.0003.000000T0000Z-180318T0100Z/
Towns GA-Union GA-Fannin GA-
847 PM EDT SAT MAR 17 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR NORTHWESTERN TOWNS...UNION AND NORTHEASTERN FANNIN COUNTIES...
At 847 PM EDT, a severe thunderstorm was located near Ivy Log, or
near Blairsville, moving southeast at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Blairsville, Young Harris, Morganton, Hemp, Gumlog, Nottely Dam, Ivy
Log, Loving, Jones Creek, Woods Hole Shelter, Owltown, Mineral Bluff,
Vogel State Park, Track Rock, Blood Mountain Shelter, Alexanders
Mill, Culberson and Copperhill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
If you see wind damage...hail or flooding...wait until the storm has
passed...and then call the National Weather Service toll free
at 1 8 6 6 7 6 3 4 4 6 6 or tweet us your report at NWSATLANTA.
&&
LAT...LON 3498 8385 3481 8382 3473 8391 3474 8394
3473 8396 3499 8445 3499 8387
TIME...MOT...LOC 0047Z 298DEG 42KT 3492 8404
HAIL...1.00IN
WIND...60MPH
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 8:44 PM EDT | Severe Thunderstorm Warning | FFC | Towns | 46 min |
| Mar 17, 8:57 PM EDT | Special Weather Statement | FFC | Johnson | 33 min |
| Mar 17, 8:57 PM EDT | Severe Thunderstorm Warning | FFC | Fannin, Towns, Union, White | 48 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.