Alert archive / South Carolina / Tornado Warnings in 2015

Tornado Warning 8, NWS Columbia, SC

April 19, 2015Edgefield County, Lexington County, Saluda County, South Carolina

NWS Columbia, SC issued this tornado warning at Apr 19, 2015, 4:24 PM EDT for Edgefield County, Lexington County, Saluda County, South Carolina. It was in force for 36 min. 1 report 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, 4:24 PM EDT (20:24 UTC)
Expired: Apr 19, 2015, 5:00 PM EDT
In force: 36 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

Counties Edgefield County, SC, Lexington County, SC, Saluda County, SC

The radar

The Columbia radar (KCAE), 52 km from the middle of the area, began a volume at 20:26 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, 4:24 PM EDT	TSTM WND DMG	3 Sw Johnston, SC	EDGEFIELD COUNTY DISPATCH REPORTED TREES DOWN AT VARIOUS LOCATIONS IN THE TOWN OF EDGEFIELD. INCLUDING TREES DOWN AT THE INTERSECTION OF BOUKNIGHT RD AND WOODYARD 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, 8.4 hours before the alert went out and 198 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.

057 
WFUS52 KCAE 192024
TORCAE
SCC037-063-081-192100-
/O.NEW.KCAE.TO.W.0008.150419T2024Z-150419T2100Z/

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

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN EDGEFIELD COUNTY IN CENTRAL SOUTH CAROLINA
  WESTERN LEXINGTON COUNTY IN CENTRAL SOUTH CAROLINA
  SALUDA COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 500 PM EDT

* AT 421 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR JOHNSTON...
  OR ABOUT 19 MILES NORTH OF BELVEDERE...MOVING NORTHEAST AT 30 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RIDGE
  SPRING...SALUDA AND 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 3415 8164 3412 8162 3412 8159 3400 8142
      3368 8183 3383 8199
TIME...MOT...LOC 2024Z 231DEG 28KT 3382 8183

$$

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, 4:10 PM EDT	Tornado Warning	CAE	Aiken, Lexington	50 min
Apr 19, 4:19 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Edgefield, Lexington, Saluda	26 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.