Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 7, NWS Columbia, SC

March 26, 2021McCormick County, South Carolina; Lincoln County, Georgia

NWS Columbia, SC issued this severe thunderstorm warning at Mar 26, 2021, 2:46 PM EDT for McCormick County, South Carolina; Lincoln County, Georgia. It was in force for 44 min. 2 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 26, 2021, 2:46 PM EDT (18:46 UTC)
Expired: Mar 26, 2021, 3:30 PM EDT
In force: 44 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Lincoln County, GA, McCormick County, SC

The radar

The Greer radar (KGSP), 106 km from the middle of the area, began a volume at 18:49 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 26, 2:58 PM EDT	HAIL 0.7	5 Nnw Lincolnton, GA	PUBLIC REPORTED DIME SIZE HAIL NEAR ELBERTON HWY (HWY 79) AND BOLTON LANE. TIME ESTIMATED.
Mar 26, 3:03 PM EDT	HAIL 0.88	6 Sse Willington, SC	NICKEL SIZE HAIL REPORTED BY EMPLOYEE AT HICKORY KNOB STATE PARK. TIME ESTIMATED.

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 12:00Z, 6.8 hours before the alert went out and 207 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 926 m above ground
0-6 km bulk shear: 76 kt
0-1 km storm-relative helicity: -57 m²/s²
0-3 km storm-relative helicity: 108 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.2

Open this sounding in Storm Lab

The text

As transmitted.

312 
WUUS52 KCAE 261846
SVRCAE
GAC181-SCC065-261930-
/O.NEW.KCAE.SV.W.0007.210326T1846Z-210326T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Columbia SC
246 PM EDT Fri Mar 26 2021

The National Weather Service in Columbia has issued a

* Severe Thunderstorm Warning for...
  Lincoln County in east central Georgia...
  McCormick County in central South Carolina...

* Until 330 PM EDT.

* At 245 PM EDT, a severe thunderstorm was located near Washington,
  moving northeast at 65 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...
  McCormick, Lincolnton, Mccormick County Airport, Elijah Clark State
  Park, Parksville, Plum Branch, Hickory Knob State Resort Park,
  Loce, Gill's Point, Bordeaux, Hester's Ferry Campground, Mount
  Carmel, Baker Creek State Park, Leroy's Ferry Recreation Area, Knox
  Scout Reservation, Double Branches, Willington, Curry Hill, Mount
  Carmel Park and Chennault.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection seek shelter inside a sturdy building and stay
away from windows.

Severe thunderstorms can produce large capsizing waves and frequent
lightning. If on or near Lake Strom Thurmond move away from the water
and take shelter!

&&

LAT...LON 3396 8257 3402 8259 3407 8253 3408 8248
      3406 8245 3406 8233 3397 8230 3402 8225
      3397 8218 3398 8205 3396 8205 3393 8216
      3388 8216 3383 8212 3378 8216 3371 8253
      3383 8260 3386 8257 3386 8261 3398 8265
TIME...MOT...LOC 1845Z 244DEG 55KT 3380 8265 

HAIL...1.00IN
WIND...60MPH
 
$$

2 follow-up statements

627 
WWUS52 KCAE 261908
SVSCAE

Severe Weather Statement
National Weather Service Columbia SC
308 PM EDT Fri Mar 26 2021

GAC181-261918-
/O.CAN.KCAE.SV.W.0007.000000T0000Z-210326T1930Z/
Lincoln GA-
308 PM EDT Fri Mar 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR LINCOLN 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 3391 8248 3400 8231 3397 8230 3402 8225
      3397 8218 3398 8205 3396 8205 3393 8216
      3388 8216 3383 8212 3378 8215 3376 8225
      3378 8230 3382 8233 3386 8242
TIME...MOT...LOC 1908Z 245DEG 49KT 3392 8232 

$$

SCC065-261930-
/O.CON.KCAE.SV.W.0007.000000T0000Z-210326T1930Z/
McCormick SC-
308 PM EDT Fri Mar 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR CENTRAL MCCORMICK COUNTY...

At 308 PM EDT, a severe thunderstorm was located over McCormick, or
18 miles south of Abbeville, moving northeast at 55 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
McCormick, Mccormick County Airport, Elijah Clark State Park,
Parksville, Plum Branch, Hickory Knob State Resort Park, Bordeaux,
Baker Creek State Park, Whitetown, Hawe Creek Campground and Long
Cane Creek Picnic Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection seek shelter inside a sturdy building and stay
away from windows.

Severe thunderstorms can produce large capsizing waves and frequent
lightning. If on or near Lake Strom Thurmond move away from the water
and take shelter!

&&

LAT...LON 3391 8248 3400 8231 3397 8230 3402 8225
      3397 8218 3398 8205 3396 8205 3393 8216
      3388 8216 3383 8212 3378 8215 3376 8225
      3378 8230 3382 8233 3386 8242
TIME...MOT...LOC 1908Z 245DEG 49KT 3392 8232 

HAIL...1.00IN
WIND...<50MPH
 
$$

fwa

580 
WWUS52 KCAE 261920
SVSCAE

Severe Weather Statement
National Weather Service Columbia SC
320 PM EDT Fri Mar 26 2021

SCC065-261930-
/O.EXP.KCAE.SV.W.0007.000000T0000Z-210326T1930Z/
McCormick SC-
320 PM EDT Fri Mar 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MCCORMICK COUNTY WILL
EXPIRE AT 330 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

LAT...LON 3391 8248 3400 8231 3397 8230 3402 8225
      3397 8218 3398 8205 3396 8205 3393 8216
      3388 8216 3383 8212 3378 8215 3376 8225
      3378 8230 3382 8233 3386 8242
TIME...MOT...LOC 1920Z 244DEG 55KT 3398 8217 

$$

fwa

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 26, 5:01 AM EDT	Special Weather Statement	CAE	Lancaster	29 min
Mar 26, 7:27 AM EDT	Special Weather Statement	CAE	Richland	33 min
Mar 26, 8:11 AM EDT	Special Weather Statement	CAE	McCormick	64 min
Mar 26, 8:23 AM EDT	Severe Thunderstorm Warning	CAE	McCormick	22 min
Mar 26, 10:39 AM EDT	River Flood Warning	CAE	Calhoun, Lexington, Richland	5 days
Mar 26, 10:39 AM EDT	River Flood Warning	CAE	Calhoun, Richland	6 days
Mar 26, 10:41 AM EDT	River Flood Advisory	CAE	Lexington, Richland	43 hr
Mar 26, 11:56 AM EDT	Special Weather Statement	CAE	Kershaw	49 min
Mar 26, 12:27 PM EDT	Special Weather Statement	CAE	Darlington	33 min
Mar 26, 2:09 PM EDT	Special Weather Statement	CAE	Chesterfield	51 min
Mar 26, 9:10 AM EDT	Special Weather Statement	CAE	Columbia, McDuffie	50 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2021 Severe Thunderstorm Warnings in Georgia, 2021 Every 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.