Alert archive / South Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 29, NWS Charleston, SC

June 5, 2021Berkeley County, Charleston County, Dorchester County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Jun 5, 2021, 3:23 PM EDT for Berkeley County, Charleston County, Dorchester County, South Carolina. It was in force for 39 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
Jun 5, 2021, 3:23 PM EDT (19:23 UTC)
Expired
Jun 5, 2021, 4:02 PM EDT
In force
39 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Berkeley County, SC, Charleston County, SC, Dorchester County, SC

The radar

The Charleston,SC radar (KCLX), 96 km from the middle of the area, began a volume at 19:23 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
Jun 5, 3:26 PM EDTHAIL 12 Nnw Goose Creek, SCA TRAINED SPOTTER REPORTED QUARTER SIZE HAIL ON CENTRAL AVENUE IN GOOSE CREEK.
Jun 5, 3:40 PM EDTHAIL 0.881 Sse Jedburg, SC

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

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 7.4 hours before the alert went out and 15 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 2021-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 781 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 2021-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.1939Sfc1 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
781 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
958 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.5

Open this sounding in Storm Lab

The text

As transmitted.

854 
WUUS52 KCHS 051923
SVRCHS
SCC015-019-035-052015-
/O.NEW.KCHS.SV.W.0029.210605T1923Z-210605T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston SC
323 PM EDT Sat Jun 5 2021

The National Weather Service in Charleston has issued a

* Severe Thunderstorm Warning for portions of...
  Charleston County in southeastern South Carolina...
  Berkeley County in southeastern South Carolina...
  Dorchester County in southeastern South Carolina...

* Until 415 PM EDT.

* At 322 PM EDT, severe thunderstorms were located along a line
  extending from near Knightsville to 6 miles northeast of Goose
  Creek, and are nearly stationary.

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

  SOURCE...Radar indicated.

  IMPACT...Minor hail damage to vehicles is possible. Expect wind 
           damage to trees and powerlines.

* Locations impacted include...
  North Charleston, Summerville, Goose Creek, Hanahan, Ladson,
  Sangaree, Crowfield Plantation, Jedburg, Knightsville and College
  Park.

This warning includes I-26 between mile markers 196 and 208.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.

&&

LAT...LON 3292 8027 3298 7984 3312 7987 3307 8028
TIME...MOT...LOC 1922Z 341DEG 1KT 3298 8023 3304 7991 

HAIL...1.00IN
WIND...60MPH
 
$$
4 follow-up statements
701 
WWUS52 KCHS 051929
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
329 PM EDT Sat Jun 5 2021

SCC015-019-035-052015-
/O.CON.KCHS.SV.W.0029.000000T0000Z-210605T2015Z/
Charleston SC-Berkeley SC-Dorchester SC-
329 PM EDT Sat Jun 5 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR CHARLESTON...BERKELEY AND DORCHESTER COUNTIES...

At 328 PM EDT, severe thunderstorms were located along a line
extending from near Knightsville to 6 miles northeast of Goose Creek,
and are nearly stationary.
 
HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Trained weather spotters. At 326 PM, trained weather 
         spotters reported 1 inch hail in Goose Creek near the 
         intersection of Highway 176 and Highway 52.

IMPACT...Minor hail damage to vehicles is possible. Expect wind 
         damage to trees and powerlines.

Locations impacted include...
North Charleston, Summerville, Goose Creek, Hanahan, Ladson,
Sangaree, Crowfield Plantation, Jedburg, Knightsville and College
Park.

This warning includes I-26 between mile markers 196 and 208.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.

Report damage directly to the Charleston National Weather Service at
888-383-2024 when it is safe to do so.

&&

LAT...LON 3292 8027 3298 7984 3312 7987 3307 8028
TIME...MOT...LOC 1928Z 341DEG 1KT 3298 8023 3304 7991 

HAIL...1.00IN
WIND...60MPH
 
$$
095 
WWUS52 KCHS 051936 CCA
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
336 PM EDT Sat Jun 5 2021

SCC015-019-035-052015-
/O.COR.KCHS.SV.W.0029.000000T0000Z-210605T2015Z/
Charleston SC-Berkeley SC-Dorchester SC-
336 PM EDT Sat Jun 5 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR CHARLESTON...BERKELEY AND DORCHESTER COUNTIES...

At 335 PM EDT, severe thunderstorms were located along a line
extending from Jedburg to near Naval Weapons Station Charleston, and
are nearly stationary.
 
HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Trained weather spotters.

IMPACT...Minor hail damage to vehicles is possible. Expect wind 
         damage to trees and powerlines.

Locations impacted include...
North Charleston, Summerville, Goose Creek, Hanahan, Ladson,
Sangaree, Crowfield Plantation, Jedburg, Knightsville and College
Park.

This warning includes I-26 between mile markers 196 and 208.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

These storms are producing large hail. SEEK SHELTER NOW inside a
sturdy structure and stay away from windows.

&&

LAT...LON 3292 8027 3298 7984 3312 7987 3307 8028
TIME...MOT...LOC 1929Z 156DEG 2KT 3298 8023 3304 7991 

HAIL...1.25IN
WIND...60MPH
 
$$
145 
WWUS52 KCHS 051944
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
344 PM EDT Sat Jun 5 2021

SCC019-051953-
/O.CAN.KCHS.SV.W.0029.000000T0000Z-210605T2015Z/
Charleston SC-
344 PM EDT Sat Jun 5 2021

...THE SEVERE THUNDERSTORM WARNING FOR CHARLESTON COUNTY IS
CANCELLED...
    
The immediate risk for severe weather has ended. 

LAT...LON 3302 8007 3301 8013 3302 8016 3301 8016
      3301 8018 3300 8016 3297 8027 3307 8028
      3309 8012
TIME...MOT...LOC 1943Z 121DEG 7KT 3305 8023 

$$

SCC015-035-052015-
/O.CON.KCHS.SV.W.0029.000000T0000Z-210605T2015Z/
Berkeley SC-Dorchester SC-
344 PM EDT Sat Jun 5 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR BERKELEY AND DORCHESTER COUNTIES...

At 343 PM EDT, a severe thunderstorm was located over Jedburg, moving
northwest at 10 mph.

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

SOURCE...Trained weather spotters. At 340 PM, the public reported 
         hail to the size of nickles near Jedburg.

IMPACT...Expect damage to trees and powerlines.

Locations impacted include...
Summerville, Goose Creek, Ladson, Sangaree, Jedburg, Knightsville and
College Park.

This warning includes I-26 between mile markers 196 and 202.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.

Report damage directly to the Charleston National Weather Service at
888-383-2024 when it is safe to do so.

&&

LAT...LON 3302 8007 3301 8013 3302 8016 3301 8016
      3301 8018 3300 8016 3297 8027 3307 8028
      3309 8012
TIME...MOT...LOC 1943Z 121DEG 7KT 3305 8023 

HAIL...0.88IN
WIND...60MPH
 
$$
543 
WWUS52 KCHS 052002
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
402 PM EDT Sat Jun 5 2021

SCC015-035-052012-
/O.CAN.KCHS.SV.W.0029.000000T0000Z-210605T2015Z/
Berkeley SC-Dorchester SC-
402 PM EDT Sat Jun 5 2021

...THE SEVERE THUNDERSTORM WARNING FOR PORTIONS OF BERKELEY AND
DORCHESTER COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits. The warning has been cancelled.

LAT...LON 3302 8007 3301 8013 3302 8016 3301 8016
      3301 8018 3300 8016 3297 8027 3307 8028
      3309 8012
TIME...MOT...LOC 2001Z 156DEG 2KT 3306 8024 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 1:55 PM EDTAreal Flood AdvisoryCHSBerkeley, Charleston2 hr
Jun 5, 2:52 PM EDTAreal Flood AdvisoryCHSBerkeley, Charleston, Dorchester65 min
Jun 5, 3:17 PM EDTSpecial Weather StatementCHSBerkeley28 min
Jun 5, 4:00 PM EDTAreal Flood AdvisoryCHSBerkeley, Charleston, Colleton, Dorchester3 hr
Jun 5, 4:01 PM EDTSpecial Weather StatementCHSDorchester14 min
Jun 5, 4:34 PM EDTAreal Flood AdvisoryCHSColleton, Dorchester86 min
Jun 5, 5:16 PM EDTSpecial Weather StatementCHSBamberg14 min
Jun 5, 5:36 PM EDTSpecial Weather StatementCHSBamberg24 min
Jun 5, 6:04 PM EDTSpecial Weather StatementCHSHampton26 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.