Alert archive / South Carolina / Tornado Warnings in 2022

Tornado Warning 13, NWS Charleston, SC

April 6, 2022Colleton County, South Carolina

NWS Charleston, SC issued this tornado warning at Apr 6, 2022, 10:59 PM EDT for Colleton County, South Carolina. It was in force for 18 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: Apr 6, 2022, 10:59 PM EDT (02:59 UTC)
Expired: Apr 6, 2022, 11:17 PM EDT
In force: 18 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Colleton County, SC

The radar

The Charleston,SC radar (KCLX), 64 km from the middle of the area, began a volume at 03:03 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
Apr 6, 10:59 PM EDT	TORNADO	4 Wnw Walterboro, SC	NWS STORM SURVEY DETERMINED THAT AN EF-0 TORNADO TOUCHED DOWN JUST WEST OF ALISON LANE. THE TORNADO TRAVELLED EAST ALONG A PATH JUST OVER 1 MILE LONG AND 100 YARDS WIDE. THE TORNADO SNAPPED AND UPROOTED TREES ALONG THIS PATH AND DESTROYED A FENCE BEFORE ENDING
Apr 6, 11:02 PM EDT	TSTM WND DMG	4 Wnw Walterboro, SC	COLLETON FIRE AND RESCUE REPORTED DAMAGE AROUND A HOME IN THE 400 BLOCK OF SANDY SPRINGS CIRCLE. A FENCE ON THE PROPERTY WAS DAMAGED AND SCATTERED NEARBY, A METAL GAZEBO WAS HEAVILY DAMAGED, AND AT LEAST ONE TREE WAS DOWN. POSSIBLE TORNADO.

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

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 6, 4:21 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 3.0 hours before the alert went out and 46 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: 1861 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 726 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 135 m²/s²
0-3 km storm-relative helicity: 145 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.6

Open this sounding in Storm Lab

The text

As transmitted.

069 
WFUS52 KCHS 070259
TORCHS
SCC029-070330-
/O.NEW.KCHS.TO.W.0013.220407T0259Z-220407T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
1059 PM EDT Wed Apr 6 2022

The National Weather Service in Charleston has issued a

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

* Until 1130 PM EDT.
    
* At 1059 PM EDT, a severe thunderstorm capable of producing a
  tornado was located near Walterboro, moving east at 35 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:
  Walterboro, Cottageville and Round O. 

This warning includes I-95 in South Carolina between mile markers 54
and 64.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3306 8051 3306 8046 3305 8044 3305 8040
      3304 8039 3302 8041 3297 8042 3293 8040
      3291 8041 3289 8039 3287 8040 3287 8079
      3297 8082 3307 8053
TIME...MOT...LOC 0259Z 258DEG 31KT 3293 8075 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

BSH

2 follow-up statements

165 
WWUS52 KCHS 070310
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
1110 PM EDT Wed Apr 6 2022

SCC029-070330-
/O.CON.KCHS.TO.W.0013.000000T0000Z-220407T0330Z/
Colleton SC-
1110 PM EDT Wed Apr 6 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT FOR PORTIONS
OF COLLETON COUNTY...
    
At 1110 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Walterboro, moving east at 35 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: 
Walterboro, Cottageville and Round O. 

This warning includes I-95 in South Carolina between mile markers 58
and 63.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3306 8051 3306 8046 3305 8044 3305 8040
      3304 8039 3302 8041 3297 8042 3293 8040
      3291 8041 3289 8039 3287 8040 3287 8069
      3299 8071
TIME...MOT...LOC 0310Z 260DEG 30KT 3293 8064 

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

$$

BSH

164 
WWUS52 KCHS 070317
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
1117 PM EDT Wed Apr 6 2022

SCC029-070327-
/O.CAN.KCHS.TO.W.0013.000000T0000Z-220407T0330Z/
Colleton SC-
1117 PM EDT Wed Apr 6 2022

...THE TORNADO WARNING FOR PORTIONS OF COLLETON COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

LAT...LON 3306 8051 3306 8046 3305 8044 3305 8040
      3304 8039 3302 8041 3297 8042 3293 8040
      3291 8041 3289 8039 3287 8040 3287 8069
      3299 8071
TIME...MOT...LOC 0315Z 258DEG 31KT 3294 8056 

$$

BSH

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 6, 8:24 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Dorchester	66 min
Apr 6, 8:30 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston, Colleton, Dorchester	45 min
Apr 6, 8:51 PM EDT	Areal Flood Advisory	CHS	Berkeley	3 hr
Apr 6, 9:00 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston	60 min
Apr 6, 9:24 PM EDT	Special Marine Warning	CHS		96 min
Apr 6, 9:31 PM EDT	Severe Thunderstorm Warning	CHS	Allendale, Hampton, Jasper	44 min
Apr 6, 10:13 PM EDT	Special Weather Statement	CHS	Beaufort, Colleton, Hampton, Jasper	47 min
Apr 6, 10:17 PM EDT	Special Marine Warning	CHS		118 min
Apr 6, 10:40 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Colleton	35 min
Apr 6, 10:44 PM EDT	Special Marine Warning	CHS		2 hr
Apr 6, 10:53 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston, Colleton, Dorchester	67 min
Apr 6, 11:55 PM EDT	Special Weather Statement	CHS	Berkeley	35 min
Apr 7, 12:12 AM EDT	Special Marine Warning	CHS		43 min
Apr 7, 12:39 AM EDT	Special Marine Warning	CHS		51 min
Apr 7, 3:15 AM EDT	Special Marine Warning	CHS		64 min
Apr 7, 3:52 AM EDT	Special Marine Warning	CHS		113 min
Apr 7, 1:28 PM EDT	Special Weather Statement	CHS	Beaufort	47 min
Apr 7, 1:48 PM EDT	Special Marine Warning	CHS		29 min
Apr 7, 2:38 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston, Dorchester	52 min
Apr 7, 3:29 PM EDT	Special Marine Warning	CHS		2 hr

Nearby

Tornado Warnings in South Carolina, 2022 Every tornado warning in 2022 Tornadoes in 2022

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.