Alert archive / South Carolina / Tornado Warnings in 2021

Tornado Warning 6, NWS Charleston, SC

July 8, 2021Beaufort County, Colleton County, South Carolina

NWS Charleston, SC issued this tornado warning at Jul 8, 2021, 12:23 AM EDT for Beaufort County, Colleton County, South Carolina. It was in force for 37 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, 12:23 AM EDT (04:23 UTC)
Expired: Jul 8, 2021, 1:00 AM EDT
In force: 37 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Beaufort County, SC, Colleton County, SC

The radar

The Charleston,SC radar (KCLX), 57 km from the middle of the area, began a volume at 04:28 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.

Issued	Product	Office	Lasted
Jul 7, 7:25 PM EDT	Tornado Watch	SPC	11 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 4.4 hours before the alert went out and 56 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: 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.

617 
WFUS52 KCHS 080423
TORCHS
SCC013-029-080500-
/O.NEW.KCHS.TO.W.0006.210708T0423Z-210708T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
1223 AM EDT Thu Jul 8 2021

The National Weather Service in Charleston has issued a

* Tornado Warning for portions of...
  Beaufort County in southeastern South Carolina...
  Colleton County in southeastern South Carolina...

* Until 100 AM EDT.
    
* At 1223 AM EDT, a severe thunderstorm capable of producing a
  tornado was located near Dale, moving northwest at 50 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...
  Hendersonville, Bennetts Point, Green Pond, Ashepoo, Ritter, White
  Hall and Jacksonboro.

This warning includes I-95 in South Carolina between mile markers 47
and 51.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes from tropical storms or hurricanes can form and move very
quickly. TAKE COVER IMMEDIATELY! If you wait until you hear a tornado
it could be too late. Take action now to immediately protect
yourself.

&&

LAT...LON 3263 8041 3263 8042 3261 8043 3261 8041
      3256 8039 3255 8042 3253 8038 3242 8035
      3244 8041 3241 8040 3237 8040 3234 8050
      3282 8081 3291 8050
TIME...MOT...LOC 0423Z 154DEG 42KT 3257 8058 

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

$$

SPR

2 follow-up statements

673 
WWUS52 KCHS 080438
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
1238 AM EDT Thu Jul 8 2021

SCC013-029-080500-
/O.CON.KCHS.TO.W.0006.000000T0000Z-210708T0500Z/
Beaufort SC-Colleton SC-
1238 AM EDT Thu Jul 8 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 AM EDT FOR BEAUFORT
AND COLLETON COUNTIES...
    
At 1238 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Green Pond, moving north at 40 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...
Hendersonville, Bennetts Point, Green Pond, Ashepoo, Ritter, White
Hall and Jacksonboro.

This warning includes I-95 in South Carolina between mile markers 47
and 51.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes from tropical storms or hurricanes can form and move very
quickly. TAKE COVER IMMEDIATELY! If you wait until you hear a tornado
it could be too late. Take action now to immediately protect
yourself.

&&

LAT...LON 3263 8041 3263 8042 3261 8043 3261 8041
      3256 8039 3255 8042 3253 8038 3242 8035
      3244 8041 3241 8040 3237 8040 3234 8050
      3282 8081 3291 8050
TIME...MOT...LOC 0438Z 158DEG 33KT 3269 8063 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

SPR

514 
WWUS52 KCHS 080455
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
1255 AM EDT Thu Jul 8 2021

SCC013-029-080505-
/O.EXP.KCHS.TO.W.0006.000000T0000Z-210708T0500Z/
Beaufort SC-Colleton SC-
1255 AM EDT Thu Jul 8 2021

...THE TORNADO WARNING FOR PORTIONS OF BEAUFORT AND COLLETON COUNTIES
WILL EXPIRE AT 100 AM EDT...
                
The storm which prompted the warning has weakened below severe
limits. Therefore the warning will be allowed to expire.

A Tropical Storm Warning remains in effect. 

LAT...LON 3263 8041 3263 8042 3261 8043 3261 8041
      3256 8039 3255 8042 3253 8038 3242 8035
      3244 8041 3241 8040 3237 8040 3234 8050
      3282 8081 3291 8050
TIME...MOT...LOC 0455Z 154DEG 42KT 3286 8073 

$$

SPR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 9:03 PM EDT	Special Marine Warning	CHS		117 min
Jul 7, 9:23 PM EDT	Areal Flood Advisory	CHS	Jasper	82 min
Jul 7, 10:39 PM EDT	Areal Flood Advisory	CHS	Beaufort, Jasper	81 min
Jul 7, 10:46 PM EDT	Special Marine Warning	CHS		89 min
Jul 7, 10:58 PM EDT	Special Marine Warning	CHS		32 min
Jul 7, 11:23 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Colleton, Jasper	67 min
Jul 7, 11:39 PM EDT	Tornado Warning	CHS	Beaufort, Jasper	36 min
Jul 7, 11:48 PM EDT	Special Marine Warning	CHS		87 min
Jul 8, 12:10 AM EDT	Areal Flood Advisory	CHS	Beaufort, Charleston, Colleton, Hampton, Jasper	3 hr
Jul 8, 12:49 AM EDT	Special Marine Warning	CHS		56 min
Jul 8, 12:57 AM EDT	Special Marine Warning	CHS		93 min
Jul 8, 12:59 AM EDT	Tornado Warning	CHS	Charleston	31 min
Jul 8, 1:08 AM EDT	Areal Flood Advisory	CHS	Berkeley, Charleston	5 hr
Jul 8, 1:36 AM EDT	Tornado Warning	CHS	Charleston	24 min
Jul 8, 1:50 AM EDT	Areal Flood Advisory	CHS	Berkeley, Charleston, Colleton, Dorchester	115 min
Jul 8, 1:54 AM EDT	Special Marine Warning	CHS		2 hr
Jul 8, 2:13 AM EDT	Special Weather Statement	CHS	Colleton	32 min
Jul 8, 2:21 AM EDT	Special Marine Warning	CHS		114 min
Jul 8, 2:23 AM EDT	Tornado Warning	CHS	Charleston	37 min
Jul 8, 2:30 AM EDT	Special Marine Warning	CHS		78 min
Jul 8, 2:49 AM EDT	Tornado Warning	CHS	Berkeley, Charleston	26 min
Jul 8, 3:08 AM EDT	Tornado Warning	CHS	Berkeley	39 min
Jul 8, 3:16 AM EDT	Tornado Warning	CHS	Berkeley, Charleston	14 min
Jul 8, 3:36 AM EDT	Special Weather Statement	CHS	Dorchester	24 min
Jul 8, 3:58 AM EDT	Special Weather Statement	CHS	Dorchester	32 min
Jul 8, 4:05 AM EDT	Special Marine Warning	CHS		85 min
Jul 8, 4:16 AM EDT	Tornado Warning	CHS	Berkeley, Charleston	44 min
Jul 8, 8:05 AM EDT	Small Craft Advisory	CHS		14 hr

Nearby

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