Alert archive / South Carolina / Tornado Warnings in 2020

Tornado Warning 6, NWS Charleston, SC

April 13, 2020Colleton County, Hampton County, South Carolina

NWS Charleston, SC issued this tornado warning at Apr 13, 2020, 6:38 AM EDT for Colleton County, Hampton County, South Carolina. It was in force for 37 min. 18 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 13, 2020, 6:38 AM EDT (10:38 UTC)
Expired: Apr 13, 2020, 7:15 AM EDT
In force: 37 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon
Emergency: Tornado emergency
Tornado: Observed
Hail: 1.0 in

Counties Colleton County, SC, Hampton County, SC

The radar

The Charleston,SC radar (KCLX), 48 km from the middle of the area, began a volume at 10:42 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 13, 6:39 AM EDT	TORNADO	7 Se Islandton, SC	A NATIONAL WEATHER SERVICE STORM DAMAGE SURVEY TEAM CONFIRMED AN EF-1 TORNADO WHICH TOUCHED DOWN ALONG HIGHWAY 21. PLEASE SEE THE PUBLIC INFORMATION STATEMENT (PNS) REGARDING THIS TORNADO FOR ADDITIONAL DETAILS.
Apr 13, 6:46 AM EDT	TORNADO	5 Wsw Walterboro, SC	THE NATIONAL WEATHER SERVICE STORM DAMAGE SURVEY TEAM HAS CONFIRMED AN EF-1 TORNADO WHICH TOUCHED DOWN ALONG SNIDERS HIGHWAY. PLEASE SEE THE PUBLIC INFORMATION STATEMENT (PNS) REGARDING THIS TORNADO FOR ADDITIONAL DETAILS.
Apr 13, 6:46 AM EDT	TORNADO	5 Wsw Walterboro, SC	THE NATIONAL WEATHER SERVICE STORM DAMAGE SURVEY TEAM HAS CONFIRMED AN EF-1 TORNADO WHICH TOUCHED DOWN AONG SNIDERS HIGHWAY. PLEASE SEE THE PUBLIC INFORMATION STATEMENT (PNS) REGARDING THIS TORNADO FOR ADDITIONAL DETAILS.
Apr 13, 6:47 AM EDT	TORNADO	4 Wsw Walterboro, SC	* 1 FATAL, 1 INJ * THE NATIONAL WEATHER SERVICE STORM DAMAGE SURVEY TEAM HAS CONFIRMED AN EF-1 TORNADO WHICH TOUCHED DOWN ALONG SNIDERS HIGHWAY JUST WEST OF I-95. PLEASE SEE THE PUBLIC INFORMATION STATEMENT (PNS) REGARDING THIS TORNADO FOR ADDITIONAL DETAI
Apr 13, 6:47 AM EDT	TORNADO	4 Wsw Walterboro, SC	THE NATIONAL WEATHER SERVICE STORM DAMAGE SURVEY TEAM HAS CONFIRMED AN EF-1 TORNADO WHICH TOUCHED DOWN ALONG SNIDERS HIGHWAY. PLEASE SEE THE PUBLIC INFORMATION STATEMENT (PNS) REGARDING THIS TORNADO FOR ADDITIONAL DETAILS.
Apr 13, 6:51 AM EDT	TSTM WND DMG	2 W Walterboro, SC	SOUTH CAROLINA HIGHWAY PATROL REPORTS AN OVERTURNED TRACTOR TRAILER AND NUMEROUS TREES SNAPPED OFF AND DOWN NEAR MILE MARKER 55 ON I-95. LIKELY TORNADO RELATED DAMAGE.
Apr 13, 6:51 AM EDT	TSTM WND DMG	Walterboro, SC	EXTENSIVE ROOF DAMAGE TO TWO BUILDINGS. TIME ESTIMATED BASED ON RADAR.
Apr 13, 6:52 AM EDT	TSTM WND DMG	Walterboro, SC	TREE ON A HOUSE IN WALTERBORO. ALSO SEVERAL TREES DOWN ALONG ROUTE US 17 ALONG THE SOUTH SIDE OF THE CITY LIMITS.
Apr 13, 6:54 AM EDT	TSTM WND DMG	2 Ene Walterboro, SC	TREES WERE REPORTED DOWN ON POWERLINES ALONG COTTAGEVILLE HWY NEAR THE AIRPORT. TIME ESTIMATED BY RADAR. POSSIBLE TORNADO DAMAGE.
Apr 13, 6:54 AM EDT	TSTM WND DMG	2 E Walterboro, SC	* 1 FATAL * COLLETON COUNTY FIRE-RESCUE EMERGENCY MANAGEMENT DIVISION REPORTED A TREE DOWN ON A RESIDENCE IN THE 700 BLOCK OF BARRACADA ROAD, WITH 3 PEOPLE TRAPPED INSIDE. ONE PERSON WAS ABLE TO SELF-EXTRICATE, A YOUNG CHILD WAS RESCUED, AND AN ADULT FEMAL
Apr 13, 6:54 AM EDT	TSTM WND DMG	2 E Walterboro, SC	* 1 FATAL * COLLETON COUNTY FIRE-RESCUE EMERGENCY MANAGEMENT DIVISION REPORTED A TREE DOWN ON A RESIDENCE IN THE 700 BLOCK OF BARRACADA ROAD, WITH 3 PEOPLE TRAPPED INSIDE. ONE PERSON WAS ABLE TO SELF-EXTRICATE, A YOUNG CHILD WAS RESCUED, AND AN ADULT FEMAL
Apr 13, 6:54 AM EDT	TSTM WND DMG	2 E Walterboro, SC	A TRAINED SPOTTER REPORTED THAT TWO INDIVIDUALS ARE TRAPPED IN A HOUSE WITH TWO TREES ON IT. THE LOWCOUNTRY AIRPORT ALSO HAS UNKNOWN DAMAGE. POSSIBLE TORNADO DAMAGE.
Apr 13, 6:54 AM EDT	TSTM WND DMG	Walterboro, SC	POSSIBLE TORNADO. ON HAMPTON ROAD, TREES IN BACK YARD SNAPPED OFF UPROOTED OR GONE. PART OF A ROOF FROM ANOTHER RESIDENCE IN BACK YARD. POWER LINES DOWN.
Apr 13, 6:54 AM EDT	TSTM WND DMG	Walterboro, SC	SPOTTER REPORTED NUMEROUS TREES DOWN IN WALTERBORO NEAR THE COURTHOUSE. A USED CAR LOT HAS BEEN DAMAGED AND A METAL SHED HAS BEEN BLOWN INTO THE ROAD. DAMAGE FROM POSSIBLE TORNADO.
Apr 13, 6:55 AM EDT	TSTM WND DMG	2 Ne Walterboro, SC	COLLETON COUNTY EMA REPORTED EXTENSIVE DAMAGE AT LOWCOUNTRY REGIONAL AIRPORT (KRBW). SEVERAL HANGARS SUSTAINED SIGNIFICANT DAMAGE. 30 PLANES WERE DAMAGED INCLUDING 20 DESTROYED. ONE OF THE DAMAGED PLANES IS A WORLD WAR II ERA C-54 BOMBER. LIKELY TORNADO DAMAGE
Apr 13, 6:55 AM EDT	TSTM WND GST 49	Lowcountry Regional Air, SC	THE AWOS AT THE LOWCOUNTY REGIONAL AIRPORT (KRBW) MEASURED A 49 MPH (43 KNOT) WIND GUST.
Apr 13, 6:57 AM EDT	TSTM WND DMG	4 Wsw Round O, SC	A MEMBER OF THE PUBLIC SUBMITTED PHOTOS AND VIDEO SHOWING MAJOR DAMAGE TO A SHED, MINOR STRUCTURAL DAMAGE TO A HOME, AND NUMEROUS TREES DOWN NEAR THE 3000 BLOCK OF COTTAGEVILLE HIGHWAY. POSSIBLE TORNADO DAMAGE. TIME ESTIMATED VIA RADAR DATA.
Apr 13, 7:03 AM EDT	TSTM WND DMG	2 Wnw Cottageville, SC	NUMEROUS TREES SNAPPED OFF AND UPROOTED ON HIGHWAY 17A IN BETWEEN ROUND O AND COTTAGEVILLE.

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 13, 3:20 AM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 10.6 hours before the alert went out and 61 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 944 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 371 m²/s²
0-3 km storm-relative helicity: 494 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

146 
WFUS52 KCHS 131038
TORCHS
SCC029-049-131115-
/O.NEW.KCHS.TO.W.0006.200413T1038Z-200413T1115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
638 AM EDT Mon Apr 13 2020

The National Weather Service in Charleston has issued a

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

* Until 715 AM EDT.
    
* At 638 AM EDT, a tornado producing storm was located near
  Islandton, moving east at 50 mph.

  HAZARD...Damaging tornado and quarter size hail.

  SOURCE...Radar confirmed tornado.

  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 and Round O. 

This warning includes I-95 in South Carolina between mile markers 49
and 64.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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.

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.

&&

LAT...LON 3286 8049 3277 8095 3286 8099 3306 8059
      3306 8055 3307 8053
TIME...MOT...LOC 1038Z 248DEG 43KT 3284 8092 

TORNADO...OBSERVED
HAIL...1.00IN

$$

SPR

3 follow-up statements

821 
WWUS52 KCHS 131047
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
647 AM EDT Mon Apr 13 2020

SCC049-131057-
/O.CAN.KCHS.TO.W.0006.000000T0000Z-200413T1115Z/
Hampton SC-
647 AM EDT Mon Apr 13 2020

...THE TORNADO WARNING FOR HAMPTON COUNTY IS CANCELLED...
    
The immediate risk for tornadoes has ended. 

LAT...LON 3281 8075 3281 8084 3290 8087 3306 8059
      3306 8055 3307 8053 3286 8049
TIME...MOT...LOC 1047Z 249DEG 46KT 3288 8078 

$$

SCC029-131115-
/O.CON.KCHS.TO.W.0006.000000T0000Z-200413T1115Z/
Colleton SC-
647 AM EDT Mon Apr 13 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 AM EDT FOR COLLETON
COUNTY...
        
At 647 AM EDT, a confirmed tornado was located near Walterboro,
moving east at 55 mph.

HAZARD...Damaging tornado and quarter size hail.

SOURCE...Radar confirmed tornado.

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 and Round O. 

This warning includes I-95 in South Carolina between mile markers 49
and 64.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or 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.

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.

&&

LAT...LON 3281 8075 3281 8084 3290 8087 3306 8059
      3306 8055 3307 8053 3286 8049
TIME...MOT...LOC 1047Z 249DEG 46KT 3288 8078 

TORNADO...OBSERVED
HAIL...1.00IN

$$

SPR

079 
WWUS52 KCHS 131054
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
654 AM EDT Mon Apr 13 2020

SCC029-131115-
/O.CON.KCHS.TO.W.0006.000000T0000Z-200413T1115Z/
Colleton SC-
654 AM EDT Mon Apr 13 2020

...TORNADO EMERGENCY FOR WALTERBORO...

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 AM EDT FOR COLLETON
COUNTY...
        
At 653 AM EDT, a confirmed large and destructive tornado was located
over Walterboro, moving east at 50 mph.

TORNADO EMERGENCY for Walterboro. This is a PARTICULARLY DANGEROUS 
SITUATION. TAKE COVER NOW!

HAZARD...Deadly tornado.

SOURCE...Radar confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

Locations impacted include...
Walterboro and Round O. 

This warning includes I-95 in South Carolina between mile markers 52
and 63.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous, and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to an interior room on the lowest floor of a sturdy building. Avoid
windows. If in a mobile home, a vehicle or outdoors, move to the
closest substantial shelter and protect yourself from flying debris.

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.

&&

LAT...LON 3284 8078 3293 8078 3306 8059 3306 8055
      3307 8053 3286 8049
TIME...MOT...LOC 1053Z 248DEG 44KT 3291 8068 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CATASTROPHIC
HAIL...1.00IN

$$

SPR

530 
WWUS52 KCHS 131107
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
707 AM EDT Mon Apr 13 2020

SCC029-131116-
/O.EXP.KCHS.TO.W.0006.000000T0000Z-200413T1115Z/
Colleton SC-
707 AM EDT Mon Apr 13 2020

...THE TORNADO WARNING FOR COLLETON COUNTY WILL EXPIRE AT 715 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 in eastern Colleton County.

LAT...LON 3284 8078 3293 8078 3306 8059 3306 8055
      3307 8053 3286 8049
TIME...MOT...LOC 1106Z 248DEG 43KT 3296 8052 

$$

SPR

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 12, 10:23 PM EDT	Coastal Flood Advisory	CHS		4 hr
Apr 13, 5:33 AM EDT	Severe Thunderstorm Warning	CHS	Allendale, Hampton, Jasper	57 min
Apr 13, 5:54 AM EDT	Tornado Warning	CHS	Allendale, Hampton	36 min
Apr 13, 6:02 AM EDT	Tornado Warning	CHS	Allendale	14 min
Apr 13, 6:18 AM EDT	Tornado Warning Tornado observed	CHS	Colleton, Hampton	27 min
Apr 13, 6:22 AM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Colleton, Dorchester, Hampton, Jasper	53 min
Apr 13, 6:53 AM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Berkeley, Charleston, Colleton, Dorchester	52 min
Apr 13, 7:01 AM EDT	Tornado Warning Tornado observedConsiderable damage threat	CHS	Colleton, Dorchester	29 min
Apr 13, 7:08 AM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Jasper	67 min
Apr 13, 7:15 AM EDT	Severe Thunderstorm Warning	CHS	Jasper	60 min
Apr 13, 7:26 AM EDT	Tornado Warning	CHS	Berkeley, Dorchester	34 min
Apr 13, 7:42 AM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Berkeley, Charleston, Colleton, Dorchester	63 min
Apr 13, 7:47 AM EDT	Special Marine Warning	CHS		88 min
Apr 13, 7:50 AM EDT	Special Marine Warning	CHS		115 min
Apr 13, 7:54 AM EDT	Tornado Warning Tornado observed	CHS	Berkeley	18 min
Apr 13, 8:00 AM EDT	Tornado Warning	CHS	Charleston, Colleton	30 min
Apr 13, 8:13 AM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Jasper	62 min
Apr 13, 8:26 AM EDT	Tornado Warning	CHS	Charleston	34 min
Apr 13, 8:42 AM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston	33 min
Apr 13, 9:06 AM EDT	Special Marine Warning	CHS		54 min
Apr 13, 9:38 AM EDT	Special Marine Warning	CHS		86 min
Apr 13, 9:41 AM EDT	Special Marine Warning	CHS		82 min
Apr 13, 9:53 AM EDT	Small Craft Advisory	CHS		17 hr

Nearby

Tornado Warnings in South Carolina, 2020 Every tornado warning in 2020 Tornadoes in 2020

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.