Alert archive / South Carolina / Tornado Warnings in 2017

Tornado Warning 10, NWS Charleston, SC

April 3, 2017Hampton County, South Carolina

NWS Charleston, SC issued this tornado warning at Apr 3, 2017, 4:41 PM EDT for Hampton County, South Carolina. It was in force for 24 min. 5 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 3, 2017, 4:41 PM EDT (20:41 UTC)
Expired: Apr 3, 2017, 5:05 PM EDT
In force: 24 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Hampton County, SC

The radar

The Charleston,SC radar (KCLX), 23 km from the middle of the area, began a volume at 20:40 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 3, 4:42 PM EDT	TSTM WND DMG	1 Nw Lake Warren State, SC	THE HAMPTON COUNTY WARNING POINT REPORTED A TREE DOWN THOMAS HAMILTON ROAD.
Apr 3, 4:43 PM EDT	TSTM WND DMG	1 Nnw Lake Warren State, SC	HAMPTON COUNTY EMERGENCY MANAGER REPORTED AROUND TWENTY TREES DOWN ON THOMAS HAMILTON ROAD.
Apr 3, 4:43 PM EDT	TSTM WND DMG	2 Sse Lake Warren State, SC	HAMPTON FIRE AND RESCUE REPORTED TREES DOWN BLOCKING THE ROAD IN THE 2600 BLOCK OF HOPE WELL ROAD.
Apr 3, 4:43 PM EDT	TORNADO	2 Nnw Lake Warren State, SC	A NWS STORM SURVEY TEAM CONFIRED AN EF0 TORNADO WITH WINDS NEAR 80 MPH TOUCHED DOWN ABOUT 2.7 MILES EAST OF GIFFORD THEN TRAVELLED ABOUT 0.28 MILES TO THE EAST BEFORE LIFTING NEAR THOMAS HAMILTON ROAD. DAMAGE WAS LIMITED TO UPROOTING OF SMALL SOFT AND HARDWOOD
Apr 3, 4:46 PM EDT	TSTM WND DMG	Hampton, SC	THE HAMPTON COUNTY WARNING POINT REPORTED A TREE DOWN NEAR HAMPTON SOUTH CAROLINA.

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 3, 2:07 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.7 hours before the alert went out and 109 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: 1059 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

073 
WFUS52 KCHS 032041
TORCHS
SCC049-032130-
/O.NEW.KCHS.TO.W.0010.170403T2041Z-170403T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
441 PM EDT MON APR 3 2017

The National Weather Service in Charleston has issued a

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

* Until 530 PM EDT
    
* At 441 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Lake Warren State Park, moving east at 45 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...
  Hampton, Lake Warren State Park, Varnville, Estill, Brunson,
  Gifford, Luray and Crocketville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3274 8125 3281 8125 3289 8127 3297 8105
      3284 8094
TIME...MOT...LOC 2041Z 250DEG 38KT 3284 8120 

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

$$

NED

2 follow-up statements

124 
WWUS52 KCHS 032053
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
453 PM EDT MON APR 3 2017

SCC049-032130-
/O.CON.KCHS.TO.W.0010.000000T0000Z-170403T2130Z/
Hampton SC-
453 PM EDT MON APR 3 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR HAMPTON
COUNTY...
    
At 453 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Hampton, moving northeast at 20 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...
Hampton, Lake Warren State Park, Varnville, Brunson, Gifford, Luray,
Crocketville and Miley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3276 8118 3281 8124 3289 8126 3297 8105
      3284 8094
TIME...MOT...LOC 2053Z 245DEG 16KT 3287 8111 

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

$$

NED

490 
WWUS52 KCHS 032105
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
505 PM EDT MON APR 3 2017

SCC049-032113-
/O.CAN.KCHS.TO.W.0010.000000T0000Z-170403T2130Z/
Hampton SC-
505 PM EDT MON APR 3 2017

...THE TORNADO WARNING FOR HAMPTON COUNTY IS CANCELLED...
                
The tornado circulation which prompted the warning has weakened band 
no longer appears capable of producing a tornado. Therefore the 
warning has been cancelled.

A tornado watch remains in effect until 900 PM EDT for southeastern
South Carolina.

LAT...LON 3276 8118 3281 8124 3289 8126 3297 8105
      3284 8094
TIME...MOT...LOC 2102Z 250DEG 38KT 3291 8099 

$$

NED

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 3:36 AM EDT	Rip Current Statement	CHS		16 hr
Apr 3, 3:37 AM EDT	Lake Wind Advisory	CHS	Berkeley	19 hr
Apr 3, 4:18 PM EDT	Severe Thunderstorm Warning	CHS	Allendale	31 min
Apr 3, 4:31 PM EDT	Severe Thunderstorm Warning	CHS	Allendale, Hampton	59 min
Apr 3, 4:56 PM EDT	Severe Thunderstorm Warning	CHS	Hampton, Jasper	49 min
Apr 3, 4:59 PM EDT	Severe Thunderstorm Warning	CHS	Colleton	61 min
Apr 3, 5:36 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Colleton, Hampton, Jasper	36 min
Apr 3, 5:46 PM EDT	Severe Thunderstorm Warning	CHS	Dorchester	33 min
Apr 3, 5:56 PM EDT	Severe Thunderstorm Warning	CHS	Charleston, Dorchester	31 min
Apr 3, 6:08 PM EDT	Special Marine Warning	CHS		97 min
Apr 3, 6:10 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston, Dorchester	65 min
Apr 3, 6:15 PM EDT	Special Weather Statement	CHS	Charleston	30 min
Apr 3, 6:23 PM EDT	Special Weather Statement	CHS	Charleston	37 min
Apr 3, 6:29 PM EDT	Special Marine Warning	CHS		91 min
Apr 3, 6:36 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston, Dorchester	54 min
Apr 3, 6:46 PM EDT	Special Marine Warning	CHS		89 min
Apr 3, 7:06 PM EDT	Special Marine Warning	CHS		84 min

Nearby

Tornado Warnings in South Carolina, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.