Alert archive / South Carolina / Tornado Warnings in 2021

Tornado Warning 12, NWS Charleston, SC

July 8, 2021Berkeley County, Charleston County, South Carolina

NWS Charleston, SC issued this tornado warning at Jul 8, 2021, 3:16 AM EDT for Berkeley County, Charleston County, South Carolina. It was in force for 14 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
Jul 8, 2021, 3:16 AM EDT (07:16 UTC)
Expired
Jul 8, 2021, 3:30 AM EDT
In force
14 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Berkeley County, SC, Charleston County, SC

The radar

The Charleston,SC radar (KCLX), 121 km from the middle of the area, began a volume at 07:15 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
Jul 7, 7:25 PM EDTTornado WatchSPC11 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 7.3 hours before the alert went out and 22 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 00:00Z on 2021-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1185 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 00:00Z on 2021-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.193958Sfc1 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
1185 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
801 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

385 
WFUS52 KCHS 080716
TORCHS
SCC015-019-080730-
/O.NEW.KCHS.TO.W.0012.210708T0716Z-210708T0730Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
Issued by National Weather Service Columbia SC
316 AM EDT Thu Jul 8 2021

The National Weather Service in Charleston has issued a

* Tornado Warning for portions of...
  Central Charleston County in southeastern South Carolina...
  South central Berkeley County in southeastern South Carolina...

* Until 330 AM EDT.
    
* At 316 AM EDT, a severe thunderstorm capable of producing a tornado
  was located near Huger, moving north at 30 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Goose Creek and Huger. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 3296 7973 3296 7994 3314 8001 3313 7970
TIME...MOT...LOC 0716Z 178DEG 28KT 3304 7986 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

CJR
1 follow-up statement
501 
WWUS52 KCHS 080729
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
329 AM EDT Thu Jul 8 2021

SCC015-019-080738-
/O.EXP.KCHS.TO.W.0012.000000T0000Z-210708T0730Z/
Charleston SC-Berkeley SC-
329 AM EDT Thu Jul 8 2021

...THE TORNADO WARNING FOR PORTIONS OF CHARLESTON AND BERKELEY
COUNTIES WILL EXPIRE AT 330 AM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

A Tornado Warning remains in effect for northern Berkeley County. 

LAT...LON 3296 7973 3296 7994 3314 8001 3313 7970
TIME...MOT...LOC 0728Z 178DEG 28KT 3314 7986 

$$

SPR

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 9:03 PM EDTSpecial Marine WarningCHS117 min
Jul 7, 9:23 PM EDTAreal Flood AdvisoryCHSJasper82 min
Jul 7, 10:39 PM EDTAreal Flood AdvisoryCHSBeaufort, Jasper81 min
Jul 7, 10:46 PM EDTSpecial Marine WarningCHS89 min
Jul 7, 10:58 PM EDTSpecial Marine WarningCHS32 min
Jul 7, 11:23 PM EDTSevere Thunderstorm WarningCHSBeaufort, Colleton, Jasper67 min
Jul 7, 11:39 PM EDTTornado WarningCHSBeaufort, Jasper36 min
Jul 7, 11:48 PM EDTSpecial Marine WarningCHS87 min
Jul 8, 12:10 AM EDTAreal Flood AdvisoryCHSBeaufort, Charleston, Colleton, Hampton, Jasper3 hr
Jul 8, 12:23 AM EDTTornado WarningCHSBeaufort, Colleton37 min
Jul 8, 12:49 AM EDTSpecial Marine WarningCHS56 min
Jul 8, 12:57 AM EDTSpecial Marine WarningCHS93 min
Jul 8, 12:59 AM EDTTornado WarningCHSCharleston31 min
Jul 8, 1:08 AM EDTAreal Flood AdvisoryCHSBerkeley, Charleston5 hr
Jul 8, 1:36 AM EDTTornado WarningCHSCharleston24 min
Jul 8, 1:50 AM EDTAreal Flood AdvisoryCHSBerkeley, Charleston, Colleton, Dorchester115 min
Jul 8, 1:54 AM EDTSpecial Marine WarningCHS2 hr
Jul 8, 2:13 AM EDTSpecial Weather StatementCHSColleton32 min
Jul 8, 2:21 AM EDTSpecial Marine WarningCHS114 min
Jul 8, 2:23 AM EDTTornado WarningCHSCharleston37 min
Jul 8, 2:30 AM EDTSpecial Marine WarningCHS78 min
Jul 8, 2:49 AM EDTTornado WarningCHSBerkeley, Charleston26 min
Jul 8, 3:08 AM EDTTornado WarningCHSBerkeley39 min
Jul 8, 3:36 AM EDTSpecial Weather StatementCHSDorchester24 min
Jul 8, 3:58 AM EDTSpecial Weather StatementCHSDorchester32 min
Jul 8, 4:05 AM EDTSpecial Marine WarningCHS85 min
Jul 8, 4:16 AM EDTTornado WarningCHSBerkeley, Charleston44 min
Jul 8, 8:05 AM EDTSmall Craft AdvisoryCHS14 hr

Nearby

Tornado Warnings in South Carolina, 2021Every tornado warning in 2021Tornadoes 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.