Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 3, NWS Columbia, SC

March 25, 2021Chesterfield County, Kershaw County, Lancaster County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Mar 25, 2021, 5:48 PM EDT for Chesterfield County, Kershaw County, Lancaster County, South Carolina. It was in force for 42 min. 3 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 25, 2021, 5:48 PM EDT (21:48 UTC)
Expired: Mar 25, 2021, 6:30 PM EDT
In force: 42 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon
Tornado: Possible
Hail: 1.5 in
Wind: 60.0 mph

Counties Chesterfield County, SC, Kershaw County, SC, Lancaster County, SC

The radar

The Columbia radar (KCAE), 90 km from the middle of the area, began a volume at 21:49 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 25, 6:00 PM EDT	TSTM WND DMG	7 S Irwin, SC	EMERGENCY MANAGER REPORTS NUMEROUS TREES DOWN ALONG GREEN ROAD. TIME ESTIMATED BASED ON RADAR.
Mar 25, 6:02 PM EDT	HAIL 0.25	8 S Irwin, SC	EMERGENCY MANAGER REPORTS DIME SIZE HAIL ALONG HOKE ROAD. TIME ESTIMATED BASED ON RADAR.
Mar 25, 6:10 PM EDT	TSTM WND DMG	4 Ese Elgin, SC	EMERGENCY MANAGER REPORTS TREES DOWN IN THE RICH HILL COMMUNITY. TIME ESTIMATED BASED ON RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.8 hours before the alert went out and 172 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: 1 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 703 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 36 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

162 
WUUS52 KCAE 252148
SVRCAE
SCC025-055-057-252230-
/O.NEW.KCAE.SV.W.0003.210325T2148Z-210325T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Columbia SC
548 PM EDT Thu Mar 25 2021

The National Weather Service in Columbia has issued a

* Severe Thunderstorm Warning for...
  Lancaster County in central South Carolina...
  Northwestern Chesterfield County in central South Carolina...
  North central Kershaw County in central South Carolina...

* Until 630 PM EDT.

* At 547 PM EDT, a severe thunderstorm was located over Fishing Creek
  Reservoir, or 9 miles southwest of Lancaster, moving east at 55
  mph.

  HAZARD...Ping pong ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  Lancaster, Pageland, Kershaw, Elgin, Heath Springs, USC Lancaster,
  Irwin, Carolina Sandhills Wildlife Refuge, Mt Pisgah, Buford,
  Jefferson, Ruby, Mount Croghan, Chesterfield Ruby Middle School,
  Bell Town Fire Station, Arrowood Estates, Faith Christian School,
  Bear Creek Park, Central High School and McDonald Green Elementary
  School.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3454 8087 3460 8089 3467 8089 3469 8086
      3474 8088 3478 8087 3482 8057 3481 8014
      3455 8007
TIME...MOT...LOC 2147Z 263DEG 49KT 3465 8091 

TORNADO...POSSIBLE
HAIL...1.50IN
WIND...60MPH
 
$$

JAQ

2 follow-up statements

208 
WWUS52 KCAE 252206
SVSCAE

Severe Weather Statement
National Weather Service Columbia SC
606 PM EDT Thu Mar 25 2021

SCC025-055-057-252230-
/O.CON.KCAE.SV.W.0003.000000T0000Z-210325T2230Z/
Lancaster SC-Chesterfield SC-Kershaw SC-
606 PM EDT Thu Mar 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR LANCASTER...NORTHWESTERN CHESTERFIELD AND NORTH CENTRAL KERSHAW
COUNTIES...

At 605 PM EDT, a severe thunderstorm was located over Elgin, or 7
miles southeast of Lancaster, moving east at 50 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Lancaster, Pageland, Kershaw, Elgin, Heath Springs, USC Lancaster,
Irwin, Carolina Sandhills Wildlife Refuge, Mt Pisgah, Buford,
Jefferson, Ruby, Mount Croghan, Chesterfield Ruby Middle School, Bell
Town Fire Station, Arrowood Estates, Faith Christian School, Bear
Creek Park, Central High School and McDonald Green Elementary School.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3454 8087 3460 8089 3467 8089 3469 8086
      3474 8088 3478 8087 3482 8057 3481 8014
      3455 8007
TIME...MOT...LOC 2205Z 264DEG 45KT 3464 8069 

TORNADO...POSSIBLE
HAIL...1.50IN
WIND...60MPH
 
$$

JAQ

495 
WWUS52 KCAE 252218
SVSCAE

Severe Weather Statement
National Weather Service Columbia SC
618 PM EDT Thu Mar 25 2021

SCC025-055-057-252230-
/O.CON.KCAE.SV.W.0003.000000T0000Z-210325T2230Z/
Lancaster SC-Chesterfield SC-Kershaw SC-
618 PM EDT Thu Mar 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTHEASTERN LANCASTER...NORTHWESTERN CHESTERFIELD AND NORTH
CENTRAL KERSHAW COUNTIES...

At 617 PM EDT, a severe thunderstorm was located 7 miles northwest of
Mt Pisgah, or 15 miles east of Lancaster, moving east at 55 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Pageland, Kershaw, Elgin, Heath Springs, Carolina Sandhills Wildlife
Refuge, Mt Pisgah, Buford, Jefferson, Ruby, Mount Croghan,
Chesterfield Ruby Middle School, High Point Fire Station,
Tradesville, Bay Springs Fire Station, Camp Creek Fire Station,
Antioch, Kirk Air Base, Forty Acre Rock Preserve, Taxahaw and
Pleasant Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3455 8073 3476 8074 3481 8067 3482 8058
      3481 8014 3455 8007
TIME...MOT...LOC 2217Z 262DEG 47KT 3465 8052 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
 
$$

JAQ

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 25, 4:54 PM EDT	Tornado Warning	CAE	Fairfield, Newberry	36 min
Mar 25, 6:28 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield, Kershaw, Lancaster	47 min
Mar 25, 7:14 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield	15 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 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.