Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 7, NWS Greenville-Spartanburg, SC

March 26, 2021Abbeville County, Anderson County, South Carolina; Elbert County, Hart County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 26, 2021, 3:23 AM EDT for Abbeville County, Anderson County, South Carolina; Elbert County, Hart County, Georgia. It was in force for 24 min. 1 report 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 26, 2021, 3:23 AM EDT (07:23 UTC)
Expired
Mar 26, 2021, 3:47 AM EDT
In force
24 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Elbert County, GA, Hart County, GA, Abbeville County, SC, Anderson County, SC

The radar

The Greer radar (KGSP), 86 km from the middle of the area, began a volume at 07:24 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

TimeReportWhereRemark
Mar 26, 3:24 AM EDTTSTM WND DMG1 Wsw Nuberg, GAFIVE CHICKEN HOUSES COLLAPSED. A FEW TREE LIMBS BLOWN DOWN AS WELL.

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.

IssuedProductOfficeLasted
Mar 26, 1:55 AM EDTTornado WatchSPC3 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 7.4 hours before the alert went out and 185 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.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2021-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 344 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2021-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 328 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
344 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1291 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
328 m²/s²
0-3 km storm-relative helicity
476 m²/s²
Significant tornado parameter
0.6
Supercell composite
6.8

Open this sounding in Storm Lab

The text

As transmitted.

905 
WUUS52 KGSP 260723
SVRGSP
GAC105-147-SCC001-007-260800-
/O.NEW.KGSP.SV.W.0007.210326T0723Z-210326T0800Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
323 AM EDT Fri Mar 26 2021

The National Weather Service in Greenville-Spartanburg has issued a

* Severe Thunderstorm Warning for...
  Northwestern Elbert County in northeastern Georgia...
  Hart County in northeastern Georgia...
  Southwestern Anderson County in Upstate South Carolina...
  Central Abbeville County in Upstate South Carolina...

* Until 400 AM EDT.

* At 323 AM EDT, a severe thunderstorm was located 5 miles south of
  Hartwell, moving east at 55 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and power lines.

* Locations impacted include...
  Anderson, Hartwell, Homeland Park, Iva, Bowman, Lake Secession,
  Starr, Anderson Airport, Antreville and Nuberg.

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.

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.

&&

A Tornado Watch remains in effect until 700 AM EDT for northeastern
Georgia...and Upstate South Carolina.

LAT...LON 3418 8305 3433 8310 3456 8257 3424 8243
TIME...MOT...LOC 0723Z 252DEG 47KT 3428 8297 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

MOORE
2 follow-up statements
829 
WWUS52 KGSP 260736
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
336 AM EDT Fri Mar 26 2021

GAC105-147-260746-
/O.CAN.KGSP.SV.W.0007.000000T0000Z-210326T0800Z/
Elbert GA-Hart GA-
336 AM EDT Fri Mar 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ELBERT AND HART
COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area...therefore the warning has been cancelled.

A Tornado Watch remains in effect until 700 AM EDT for northeastern
Georgia...and Upstate South Carolina.

LAT...LON 3429 8278 3431 8279 3434 8279 3437 8284
      3439 8284 3441 8285 3456 8257 3428 8245
TIME...MOT...LOC 0736Z 250DEG 50KT 3438 8269 

$$

SCC001-007-260800-
/O.CON.KGSP.SV.W.0007.000000T0000Z-210326T0800Z/
Anderson SC-Abbeville SC-
336 AM EDT Fri Mar 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 AM EDT
FOR SOUTHWESTERN ANDERSON AND CENTRAL ABBEVILLE COUNTIES...

At 336 AM EDT, a severe thunderstorm was located 9 miles south of
Anderson, or over Starr, moving east at 60 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Anderson, Homeland Park, Iva, Lake Secession, Starr, Antreville,
Broadway Lake, Sadlers Creek State Park, Anderson Airport and Lake
Hartwell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 700 AM EDT for northeastern
Georgia...and Upstate South Carolina.

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.

This storms is also producing extremely heavy rainfall. Flooding of
drainage ditches and low lying areas may occur. Small streams will
rise rapidly. Do not drive through areas where water is flowing over
the road.

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 3429 8278 3431 8279 3434 8279 3437 8284
      3439 8284 3441 8285 3456 8257 3428 8245
TIME...MOT...LOC 0736Z 250DEG 50KT 3438 8269 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

MOORE
183 
WWUS52 KGSP 260747
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
347 AM EDT Fri Mar 26 2021

SCC001-007-260757-
/O.CAN.KGSP.SV.W.0007.000000T0000Z-210326T0800Z/
Anderson SC-Abbeville SC-
347 AM EDT Fri Mar 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN ANDERSON AND
CENTRAL ABBEVILLE COUNTIES IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore the warning has
been cancelled.  However heavy rain is still possible with this
thunderstorm.

A Tornado Watch remains in effect until 700 AM EDT for northeastern
Georgia...and Upstate South Carolina.

LAT...LON 3429 8278 3431 8279 3434 8279 3437 8284
      3439 8284 3441 8285 3456 8257 3428 8245
TIME...MOT...LOC 0745Z 252DEG 47KT 3442 8255 

$$

MOORE

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 25, 11:06 PM EDTSpecial Weather StatementGSPSpartanburg24 min
Mar 25, 11:42 PM EDTSpecial Weather StatementGSPCherokee48 min
Mar 25, 11:49 PM EDTAreal Flood AdvisoryGSPGreenville, Oconee, Pickens12 hr
Mar 25, 11:52 PM EDTSpecial Weather StatementGSPSpartanburg38 min
Mar 26, 12:20 AM EDTSpecial Weather StatementGSPChester, Union, York40 min
Mar 26, 1:29 AM EDTSevere Thunderstorm WarningGSPOconee31 min
Mar 26, 1:55 AM EDTSevere Thunderstorm WarningGSPOconee, Pickens35 min
Mar 26, 2:28 AM EDTSpecial Weather StatementGSPGreenville32 min
Mar 26, 2:50 AM EDTAreal Flood AdvisoryGSPSpartanburg14 hr
Mar 26, 3:15 AM EDTSpecial Weather StatementGSPAnderson30 min
Mar 26, 3:21 AM EDTRiver Flood WarningGSPCherokee, York30 hr
Mar 26, 3:49 AM EDTSpecial Weather StatementGSPLaurens26 min
Mar 26, 4:01 AM EDTSpecial Weather StatementGSPAbbeville29 min
Mar 26, 4:14 AM EDTSpecial Weather StatementGSPLaurens, Union31 min
Mar 26, 4:25 AM EDTSpecial Weather StatementGSPChester35 min
Mar 26, 4:29 AM EDTSpecial Weather StatementGSPAbbeville, Greenwood31 min
Mar 26, 4:44 AM EDTSevere Thunderstorm WarningGSPChester31 min
Mar 26, 4:55 AM EDTSpecial Weather StatementGSPLaurens35 min
Mar 26, 5:20 AM EDTSpecial Weather StatementGSPChester40 min
Mar 26, 6:17 AM EDTRiver Flood AdvisoryGSPGreenville, Pickens7 hr
Mar 26, 6:58 AM EDTSpecial Weather StatementGSPGreenwood17 min
Mar 26, 6:59 AM EDTSpecial Weather StatementGSPLaurens31 min
Mar 26, 9:20 AM EDTSpecial Weather StatementGSPAbbeville25 min
Mar 26, 9:41 AM EDTSevere Thunderstorm WarningGSPAbbeville, Greenwood, Laurens49 min
Mar 26, 11:28 AM EDTAreal Flood AdvisoryGSPPickens14 hr
Mar 26, 1:32 PM EDTRiver Flood WarningGSPGreenville, Pickens31 hr
Mar 26, 4:37 PM EDTAreal Flood AdvisoryGSPSpartanburg10 hr
Mar 25, 9:20 PM EDTAreal Flood WarningGSPRabun9 hr
Mar 25, 11:19 PM EDTAreal Flood AdvisoryGSPHabersham6 hr
Mar 26, 12:42 AM EDTSpecial Weather StatementGSPRabun33 min
Mar 26, 12:57 AM EDTFlash Flood Warning Considerable damage threatGSPHabersham, Rabun6 hr
Mar 26, 1:14 AM EDTSpecial Weather StatementGSPHabersham, Rabun31 min
Mar 26, 2:38 AM EDTSpecial Weather StatementGSPFranklin, Hart37 min
Mar 26, 6:10 AM EDTSpecial Weather StatementGSPElbert50 min
Mar 26, 6:42 AM EDTAreal Flood WarningGSPHabersham, Rabun27 hr

Nearby

Severe Thunderstorm Warnings in South Carolina, 2021Severe Thunderstorm Warnings in Georgia, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.