Alert archive / Georgia / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 5, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Mar 17, 2018, 8:57 PM EDT for 4 counties in Georgia. It was in force for 48 min. 8 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, 8:57 PM EDT (00:57 UTC)
- Expired
- Mar 17, 2018, 9:45 PM EDT
- In force
- 48 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, White County, GA
The radar
The Greer radar (KGSP), 140 km from the middle of the area, began a volume at 01:00 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. |
| Mar 17, 9:11 PM EDT | HAIL 0.88 | 1 Ne Ivy Log, GA | NICKLE SIZED HAIL REPORTED VIA WEB |
| Mar 17, 9:11 PM EDT | HAIL 1.25 | 4 Nw Blairsville, GA | WEB REPORT OF 1.25 HAIL AND HIGH WINDS |
| Mar 17, 9:31 PM EDT | TORNADO | 2 Ssw Blue Mountain She, GA | A TORNADO RATED EF-1 WITH MAXIMUM WINDS OF 105 MPH AND PATH LENGTH OF 5.0 MILES BEGAN IN FAR NORTHERN WHITE CO IN THE UPPER CHATTACHOOCHEE RIVER CAMPGROUND WITHIN THE CHATTAHOOCHEE WMA. THIS TORNADO DOWNED A TOTAL OF APPROXIMATELY ONE THOUSAND TREES AS IT MOVE |
| Mar 17, 9:31 PM EDT | TORNADO | 2 Ssw Blue Mtn Shelter, GA | A TORNADO RATED EF-1 WITH MAXIMUM WINDS OF 105 MPH AND PATH LENGTH OF 5.0 MILES BEGAN IN FAR NORTHERN WHITE CO IN THE UPPER CHATTACHOOCHEE RIVER CAMPGROUND WITHIN THE CHATTAHOOCHEE WMA. THIS TORNADO DOWNED A TOTAL OF APPROXIMATELY ONE THOUSAND TREES AS IT MOVE |
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, 1.0 hours before the alert went out and 173 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.
013
WUUS52 KFFC 180057
SVRFFC
GAC111-281-291-311-180145-
/O.NEW.KFFC.SV.W.0005.180318T0057Z-180318T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
857 PM EDT SAT MAR 17 2018
The National Weather Service in Peachtree City has issued a
* Severe Thunderstorm Warning for...
Central Towns County in northeastern Georgia...
Northern White County in northeastern Georgia...
Union County in north central Georgia...
Northeastern Fannin County in north central Georgia...
* Until 945 PM EDT
* At 857 PM EDT, a severe thunderstorm was located over Nottely Dam,
or 8 miles northwest of Blairsville, moving southeast at 40 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, Helen, Unicoi State Park, Hemp, Whitley
Gap Shelter, Robertstown, Blue Mountain Shelter, Brasstown Bald,
Gumlog, Nottely Dam, Ivy Log, Jones Creek, Mountain Scene, Low Gap
Shelter, Owltown, Vogel State Park, Track Rock, Anna Ruby Falls and
Smithgall Woods Conservation Are.
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 3486 8366 3483 8366 3482 8365 3480 8368
3477 8363 3474 8362 3469 8364 3466 8366
3463 8364 3461 8365 3490 8421 3499 8415
3499 8394
TIME...MOT...LOC 0057Z 296DEG 34KT 3495 8409
HAIL...1.00IN
WIND...60MPH
$$3 follow-up statements
385
WWUS52 KFFC 180110
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
910 PM EDT SAT MAR 17 2018
GAC111-281-291-311-180145-
/O.CON.KFFC.SV.W.0005.000000T0000Z-180318T0145Z/
Towns GA-White GA-Union GA-Fannin GA-
910 PM EDT SAT MAR 17 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR CENTRAL TOWNS...NORTHERN WHITE...UNION AND NORTHEASTERN FANNIN
COUNTIES...
At 909 PM EDT, a severe thunderstorm was located over Blairsville,
moving southeast at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Blairsville, Young Harris, Helen, Unicoi State Park, Hemp, Whitley
Gap Shelter, Robertstown, Blue Mountain Shelter, Brasstown Bald,
Gumlog, Nottely Dam, Ivy Log, Jones Creek, Mountain Scene, Low Gap
Shelter, Owltown, Vogel State Park, Track Rock, Anna Ruby Falls and
Smithgall Woods Conservation Are.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
If you see wind damage...hail or flooding...wait until the storm has
passed...and then call the National Weather Service toll free
at 1 8 6 6 7 6 3 4 4 6 6 or tweet us your report at NWSATLANTA.
&&
LAT...LON 3486 8366 3483 8366 3482 8365 3480 8368
3477 8363 3474 8362 3469 8364 3466 8366
3463 8364 3461 8365 3490 8421 3499 8415
3499 8394
TIME...MOT...LOC 0109Z 296DEG 34KT 3490 8396
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$171
WWUS52 KFFC 180123
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
923 PM EDT SAT MAR 17 2018
GAC111-180133-
/O.CAN.KFFC.SV.W.0005.000000T0000Z-180318T0145Z/
Fannin GA-
923 PM EDT SAT MAR 17 2018
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN FANNIN COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3486 8366 3483 8366 3482 8365 3480 8368
3477 8363 3474 8362 3469 8364 3466 8366
3463 8364 3461 8365 3480 8402 3491 8400
3497 8390
TIME...MOT...LOC 0123Z 296DEG 34KT 3484 8381
$$
GAC281-291-311-180145-
/O.CON.KFFC.SV.W.0005.000000T0000Z-180318T0145Z/
Towns GA-White GA-Union GA-
923 PM EDT SAT MAR 17 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR CENTRAL TOWNS...NORTHERN WHITE AND NORTHEASTERN UNION COUNTIES...
At 923 PM EDT, a severe thunderstorm was located over Brasstown Bald,
or 8 miles southwest of Hiawassee, moving southeast at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Blairsville, Young Harris, Helen, Unicoi State Park, Whitley Gap
Shelter, Robertstown, Blue Mountain Shelter, Brasstown Bald, Mountain
Scene, Low Gap Shelter, Owltown, Vogel State Park, Track Rock, Anna
Ruby Falls, Smithgall Woods Conservation Are and Sautee.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
If you see wind damage...hail or flooding...wait until the storm has
passed...and then call the National Weather Service toll free
at 1 8 6 6 7 6 3 4 4 6 6 or tweet us your report at NWSATLANTA.
&&
LAT...LON 3486 8366 3483 8366 3482 8365 3480 8368
3477 8363 3474 8362 3469 8364 3466 8366
3463 8364 3461 8365 3480 8402 3491 8400
3497 8390
TIME...MOT...LOC 0123Z 296DEG 34KT 3484 8381
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$018
WWUS52 KFFC 180134
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
934 PM EDT SAT MAR 17 2018
GAC281-291-311-180145-
/O.CON.KFFC.SV.W.0005.000000T0000Z-180318T0145Z/
Towns GA-White GA-Union GA-
934 PM EDT SAT MAR 17 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR SOUTH CENTRAL TOWNS...NORTHERN WHITE AND EAST CENTRAL UNION
COUNTIES...
At 933 PM EDT, a severe thunderstorm was located over Anna Ruby
Falls, or 11 miles south of Hiawassee, moving southeast at 40 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...
Helen, Unicoi State Park, Robertstown, Blue Mountain Shelter, Anna
Ruby Falls, Mountain Scene, Sautee and Low Gap Shelter.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
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 3486 8366 3483 8366 3482 8365 3480 8368
3477 8363 3474 8362 3469 8364 3466 8366
3463 8364 3476 8386 3486 8383 3490 8376
TIME...MOT...LOC 0133Z 296DEG 34KT 3480 8370
TORNADO...POSSIBLE
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, 8:10 PM EDT | Severe Thunderstorm Warning | FFC | Fannin, Towns, Union | 50 min |
| 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 |
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.