Alert archive / Georgia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 20, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 8, 2021, 10:14 PM EDT for Anderson County, Oconee County, South Carolina; Franklin County, Hart County, Stephens County, Georgia. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 8, 2021, 10:14 PM EDT (02:14 UTC)
- Expired
- Apr 8, 2021, 11:00 PM EDT
- In force
- 46 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Franklin County, GA, Hart County, GA, Stephens County, GA, Anderson County, SC, Oconee County, SC
The radar
The Greer radar (KGSP), 96 km from the middle of the area, began a volume at 02:13 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.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.2 hours before the alert went out and 176 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
- 366 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 1722 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.6
The text
As transmitted.
079
WUUS52 KGSP 090214
SVRGSP
GAC119-147-257-SCC007-073-090300-
/O.NEW.KGSP.SV.W.0020.210409T0214Z-210409T0300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
1014 PM EDT Thu Apr 8 2021
The National Weather Service in Greenville-Spartanburg has issued a
* Severe Thunderstorm Warning for...
Northern Franklin County in northeastern Georgia...
Southeastern Stephens County in northeastern Georgia...
Northwestern Hart County in northeastern Georgia...
West central Anderson County in Upstate South Carolina...
Southeastern Oconee County in Upstate South Carolina...
* Until 1100 PM EDT.
* At 1013 PM EDT, a severe thunderstorm was located 7 miles southeast
of Toccoa, or near Avalon, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is expected. Expect wind
damage to trees and power lines.
* Locations impacted include...
Hartwell, Reed Creek, Lavonia, Gumlog, Martin, Avalon, Tugaloo
State Park, Townville, Fair Play and Eastanolee.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A few trees and power lines will be blown down in the warned area.
Hail can cause major property damage, especially to vehicles. Seek
shelter inside an interior room.
This storm is producing frequent and intense lightning. Turn off
electrical appliances. Do not use corded telephones. Do not take a
bath or shower.
Lake Hartwell is in the path of this storm. Get away from the water
and seek shelter in an interior room in the nearest shelter. If you
can hear thunder, you are close enough to be struck by lightning.
Please report damaging winds, hail, or flooding to the National
Weather Service Greenville-Spartanburg by calling toll free, 1, 800,
2 6 7, 8 1 0 1, or by posting on our Facebook page, or Tweet it using
hashtag nwsgsp. Your message should describe the event and the
specific location where it occurred.
&&
LAT...LON 3447 8333 3458 8332 3459 8288 3435 8292
TIME...MOT...LOC 0213Z 278DEG 24KT 3451 8323
HAIL...1.00IN
WIND...60MPH
$$
81 follow-up statement
522
WWUS52 KGSP 090242
SVSGSP
Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
1042 PM EDT Thu Apr 8 2021
GAC119-257-SCC007-090251-
/O.CAN.KGSP.SV.W.0020.000000T0000Z-210409T0300Z/
Franklin GA-Stephens GA-Anderson SC-
1042 PM EDT Thu Apr 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN FRANKLIN...
SOUTHEASTERN STEPHENS AND WEST CENTRAL ANDERSON COUNTIES IS
CANCELLED...
The severe thunderstorm which prompted the warning has tracked away
from these counties, and therefore the warning has been cancelled.
LAT...LON 3440 8310 3449 8305 3450 8306 3450 8307
3452 8309 3453 8308 3453 8309 3455 8309
3454 8293 3448 8299 3448 8295 3449 8294
3448 8292 3449 8291 3448 8290 3435 8292
TIME...MOT...LOC 0241Z 279DEG 23KT 3448 8303
$$
GAC147-SCC073-090300-
/O.CON.KGSP.SV.W.0020.000000T0000Z-210409T0300Z/
Hart GA-Oconee SC-
1042 PM EDT Thu Apr 8 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR NORTHWESTERN HART AND SOUTHERN OCONEE COUNTIES...
At 1041 PM EDT, a severe thunderstorm was located 10 miles northwest
of Hartwell, or near Tugaloo State Park, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is expected. Expect wind
damage to trees and power lines.
Locations impacted include...
Hartwell, Reed Creek, Fair Play and Lake Hartwell.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A few trees and power lines will be blown down in the warned area.
Hail can cause major property damage, especially to vehicles. Seek
shelter inside an interior room.
This storm is producing frequent and intense lightning. Turn off
electrical appliances. Do not use corded telephones. Do not take a
bath or shower.
Lake Hartwell is in the path of this storm. Get away from the water
and seek shelter in an interior room in the nearest shelter. If you
can hear thunder, you are close enough to be struck by lightning.
Please report damaging winds, hail, or flooding to the National
Weather Service Greenville-Spartanburg by calling toll free, 1, 800,
2 6 7, 8 1 0 1, or by posting on our Facebook page, or Tweet it using
hashtag nwsgsp. Your message should describe the event and the
specific location where it occurred.
&&
LAT...LON 3440 8310 3449 8305 3450 8306 3450 8307
3452 8309 3453 8308 3453 8309 3455 8309
3454 8293 3448 8299 3448 8295 3449 8294
3448 8292 3449 8291 3448 8290 3435 8292
TIME...MOT...LOC 0241Z 279DEG 23KT 3448 8303
HAIL...1.00IN
WIND...60MPH
$$
8The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 9:50 PM EDT | Severe Thunderstorm Warning | GSP | Oconee | 25 min |
| Apr 8, 10:12 PM EDT | Special Weather Statement | GSP | Oconee | 33 min |
| Apr 8, 10:30 PM EDT | Severe Thunderstorm Warning | GSP | Anderson, Oconee, Pickens | 45 min |
| Apr 8, 11:02 PM EDT | Special Weather Statement | GSP | Anderson | 43 min |
| Apr 8, 11:26 PM EDT | Severe Thunderstorm Warning | GSP | Abbeville, Anderson | 34 min |
| Apr 8, 11:36 PM EDT | Special Weather Statement | GSP | Anderson | 24 min |
| Apr 8, 11:58 PM EDT | Special Weather Statement | GSP | Anderson | 32 min |
| Apr 9, 12:01 AM EDT | Severe Thunderstorm Warning | GSP | Abbeville, Anderson, Greenwood, Laurens | 44 min |
| Apr 9, 12:05 AM EDT | Special Weather Statement | GSP | Laurens | 25 min |
| Apr 9, 12:47 AM EDT | Special Weather Statement | GSP | Greenwood | 28 min |
| Apr 9, 12:58 AM EDT | Special Weather Statement | GSP | Greenville | 32 min |
| Apr 9, 1:02 AM EDT | Special Weather Statement | GSP | Laurens | 28 min |
| Apr 9, 1:16 AM EDT | Special Weather Statement | GSP | Laurens | 44 min |
| Apr 8, 8:59 PM EDT | Special Weather Statement | GSP | Rabun | 31 min |
| Apr 8, 9:19 PM EDT | Special Weather Statement | GSP | Habersham | 26 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2021Severe Thunderstorm Warnings in South Carolina, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.