Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 20, NWS Columbia, SC

May 3, 20214 counties in South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at May 3, 2021, 4:05 PM EDT for 4 counties in South Carolina. It was in force for 40 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
May 3, 2021, 4:05 PM EDT (20:05 UTC)
Expired
May 3, 2021, 4:45 PM EDT
In force
40 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Lexington County, SC, Newberry County, SC, Richland County, SC, Saluda County, SC

The radar

The Columbia radar (KCAE), 29 km from the middle of the area, began a volume at 20:10 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 3, 1:25 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.1 hours before the alert went out and 184 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, Charleston AFB, SC at 12:00Z on 2021-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1333 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, Charleston AFB, SC at 12:00Z on 2021-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.19395878Sfc1 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
1333 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
765 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
141 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.0

Open this sounding in Storm Lab

The text

As transmitted.

302 
WUUS52 KCAE 032005
SVRCAE
SCC063-071-079-081-032045-
/O.NEW.KCAE.SV.W.0020.210503T2005Z-210503T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Columbia SC
405 PM EDT Mon May 3 2021

The National Weather Service in Columbia has issued a

* Severe Thunderstorm Warning for...
  Southeastern Newberry County in central South Carolina...
  Northwestern Lexington County in central South Carolina...
  Eastern Saluda County in central South Carolina...
  Northwestern Richland County in central South Carolina...

* Until 445 PM EDT.

* At 404 PM EDT, a severe thunderstorm was located 8 miles north of
  Batesburg-Leesville, moving east at 45 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...
  Irmo, Batesburg-Leesville, Prosperity, Dreher Island State Park,
  Ballentine, Blythewood, Chapin, Little Mountain, Peak, Cedar Grove
  Fire Station, South Shore Marina, Oswald Park, Bundrick Island,
  Putnam's Landing, White Rock, Murray, Rocky Point Recreation Area,
  Delmar, Hollow Creek Public Park and Melvin Park.

This includes the following highways...
 Interstate 26 between mile markers 83 and 101.
 Interstate 77 near mile marker 29.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 700 PM EDT for central South
Carolina.

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

Report any hail, damaging winds or flooding directly to the Columbia
National Weather Service at 803 234 4115 when it is safe to do so.
You can also send reports by Facebook or Twitter to NWSColumbia or by
e-mail at NWS.Columbia@noaa.gov.

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

&&

LAT...LON 3423 8162 3424 8130 3420 8125 3420 8122
      3418 8118 3420 8117 3422 8118 3422 8109
      3424 8105 3423 8104 3425 8095 3388 8151
      3389 8171
TIME...MOT...LOC 2004Z 272DEG 41KT 3402 8156 

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

JAQ
1 follow-up statement
971 
WWUS52 KCAE 032021
SVSCAE

Severe Weather Statement
National Weather Service Columbia SC
421 PM EDT Mon May 3 2021

SCC071-032031-
/O.CAN.KCAE.SV.W.0020.000000T0000Z-210503T2045Z/
Newberry SC-
421 PM EDT Mon May 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN NEWBERRY COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has weakened and 
moved out of the warned area. Therefore, the warning has been 
cancelled.

A Tornado Watch remains in effect until 700 PM EDT for central South
Carolina.

LAT...LON 3407 8166 3409 8153 3407 8150 3409 8146
      3407 8139 3414 8143 3418 8140 3420 8134
      3422 8134 3424 8130 3420 8125 3418 8118
      3422 8118 3422 8109 3425 8095 3388 8151
      3389 8171
TIME...MOT...LOC 2021Z 272DEG 41KT 3401 8132 

$$

SCC063-079-081-032045-
/O.CON.KCAE.SV.W.0020.000000T0000Z-210503T2045Z/
Lexington SC-Saluda SC-Richland SC-
421 PM EDT Mon May 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR NORTHWESTERN LEXINGTON...SOUTHEASTERN SALUDA AND NORTHWESTERN
RICHLAND COUNTIES...

At 421 PM EDT, a severe thunderstorm was located near Lexington,
moving east at 45 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...
Irmo, Batesburg-Leesville, Ballentine, Blythewood, Chapin, Cedar
Grove Fire Station, South Shore Marina, Oswald Park, Bundrick Island,
Putnam's Landing, White Rock, Murray, Rocky Point Recreation Area,
Delmar, Hollow Creek Public Park, Melvin Park, Lighthouse Marina,
Fredonia, Lake Murray Marina and Shull Island.

This includes the following highways...
 Interstate 26 between mile markers 90 and 101.
 Interstate 77 near mile marker 29.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 700 PM EDT for central South
Carolina.

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

Report any hail, damaging winds or flooding directly to the Columbia
National Weather Service at 803 234 4115 when it is safe to do so.
You can also send reports by Facebook or Twitter to NWSColumbia or by
e-mail at NWS.Columbia@noaa.gov.

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

&&

LAT...LON 3407 8166 3409 8153 3407 8150 3409 8146
      3407 8139 3414 8143 3418 8140 3420 8134
      3422 8134 3424 8130 3420 8125 3418 8118
      3422 8118 3422 8109 3425 8095 3388 8151
      3389 8171
TIME...MOT...LOC 2021Z 272DEG 41KT 3401 8132 

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

JAQ

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 2:35 PM EDTSpecial Weather StatementCAEMcCormick25 min
May 3, 3:05 PM EDTTornado WarningCAENewberry40 min
May 3, 3:24 PM EDTSevere Thunderstorm WarningCAENewberry, Saluda51 min
May 3, 3:28 PM EDTSevere Thunderstorm WarningCAELexington, Saluda32 min
May 3, 3:32 PM EDTSevere Thunderstorm WarningCAENewberry43 min
May 3, 3:39 PM EDTTornado WarningCAELexington21 min
May 3, 3:51 PM EDTSevere Thunderstorm WarningCAEMcCormick39 min
May 3, 3:59 PM EDTSevere Thunderstorm WarningCAELexington, Richland31 min
May 3, 4:03 PM EDTSevere Thunderstorm WarningCAEKershaw, Richland, Sumter27 min
May 3, 4:19 PM EDTSevere Thunderstorm WarningCAEKershaw, Lee, Sumter26 min
May 3, 4:22 PM EDTSevere Thunderstorm WarningCAECalhoun, Kershaw, Lexington, Richland23 min
May 3, 4:30 PM EDTSevere Thunderstorm WarningCAELexington, Richland15 min
May 3, 4:41 PM EDTSevere Thunderstorm WarningCAELee, Sumter34 min
May 3, 4:44 PM EDTSevere Thunderstorm WarningCAEKershaw, Lee, Richland, Sumter31 min
May 3, 4:56 PM EDTAreal Flood AdvisoryCAELexington, Richland2 hr
May 3, 5:14 PM EDTSevere Thunderstorm WarningCAEClarendon, Lee, Richland, Sumter46 min
May 3, 5:50 PM EDTSpecial Weather StatementCAELee25 min
May 3, 6:01 PM EDTSevere Thunderstorm WarningCAEBamberg, Barnwell44 min
May 3, 6:44 PM EDTSevere Thunderstorm WarningCAEBamberg, Orangeburg46 min

Nearby

Severe 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.