Alert archive / South Carolina / Tornado Warnings in 2015

Tornado Warning 7, NWS Columbia, SC

April 19, 2015Aiken County, Lexington County, South Carolina

NWS Columbia, SC issued this tornado warning at Apr 19, 2015, 4:10 PM EDT for Aiken County, Lexington County, South Carolina. It was in force for 50 min. 4 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 19, 2015, 4:10 PM EDT (20:10 UTC)
Expired: Apr 19, 2015, 5:00 PM EDT
In force: 50 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

Counties Aiken County, SC, Lexington County, SC

The radar

The Columbia radar (KCAE), 57 km from the middle of the area, began a volume at 20:14 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 19, 4:11 PM EDT	TSTM WND DMG	2 S Aiken, SC	TREE DOWN ON A HOME ON ARCTURUS DR. ROOF DAMAGE AND CARPORT DAMAGE TO OTHER HOMES ON THE STREET AS WELL.
Apr 19, 4:13 PM EDT	TSTM WND DMG	1 S Aiken, SC	PUBLIC REPORTED TREES DOWN ON ORIOLE ST IN AIKEN. REPORT AND PHOTOS RELAYED VIA SOCIAL MEDIA. TIME ESTIMATED.
Apr 19, 4:13 PM EDT	TORNADO	Aiken, SC	SURVEY FOUND AN EF-2 TORNADO DAMAGE IN THE WOODSIDE PLANTATION SUBDIVISION AND ALSO AIKEN ESTATES SUBDIVISION. WIND SPEEDS WERE ESTIMATED TO BE AT 115 MPH. THERE WAS SIGNIFICANT TREE DAMAGE IN THE AREA ALONG WITH DAMAGE TO SEVERAL HOME.
Apr 19, 4:14 PM EDT	TSTM WND DMG	2 S Aiken, SC	SC HIGHWAY PATROL REPORTED TREES IN THE ROADWAY AT THE INTERSECTION OF SILVER BLUFF RD AND DOUGHERTY RD. TIME ESTIMATED FROM RADAR.

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 19, 1:04 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.2 hours before the alert went out and 176 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: 209 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 665 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 162 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

467 
WFUS52 KCAE 192010
TORCAE
SCC003-063-192100-
/O.NEW.KCAE.TO.W.0007.150419T2010Z-150419T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
410 PM EDT SUN APR 19 2015

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN LEXINGTON COUNTY IN CENTRAL SOUTH CAROLINA
  WESTERN AIKEN COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 500 PM EDT

* AT 409 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  GLOVERVILLE...OR ABOUT NEAR AIKEN...MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BATESBURG

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR USE WWW.FACEBOOK.COM/NWSCOLUMBIA AND EMAIL
CAEWX@NOAA.GOV TO RELAY SEVERE WEATHER REPORTS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY EVENING FOR
EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA.

&&

LAT...LON 3338 8171 3361 8188 3375 8174 3388 8157
      3392 8155 3386 8133
TIME...MOT...LOC 2011Z 210DEG 32KT 3349 8175

$$

HC

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 3:25 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Barnwell, Edgefield	35 min
Apr 19, 3:28 PM EDT	Areal Flood Advisory	CAE	McCormick	62 min
Apr 19, 3:40 PM EDT	Tornado Warning	CAE	Aiken	35 min
Apr 19, 4:02 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Bamberg, Barnwell, Orangeburg	43 min
Apr 19, 4:19 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Edgefield, Lexington, Saluda	26 min
Apr 19, 4:24 PM EDT	Tornado Warning	CAE	Edgefield, Lexington, Saluda	36 min
Apr 19, 4:42 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Bamberg, Barnwell, Calhoun, Lexington, Orangeburg and 1 more	48 min
Apr 19, 4:46 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Fairfield, Lexington, Newberry, Richland, Saluda	44 min
Apr 19, 5:15 PM EDT	Tornado Warning	CAE	Fairfield, Lexington, Richland	30 min
Apr 19, 5:24 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Clarendon, Kershaw, Lee, Orangeburg, Richland and 1 more	66 min
Apr 19, 5:31 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Kershaw, Lancaster, Lee, Newberry, Richland	59 min

Nearby

Tornado Warnings in South Carolina, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.