Alert archive / South Carolina / Tornado Warnings in 2015

Tornado Warning 2, NWS Greenville-Spartanburg, SC

April 20, 2015Anderson County, Greenville County, South Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Apr 20, 2015, 3:54 PM EDT for Anderson County, Greenville 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 20, 2015, 3:54 PM EDT (19:54 UTC)
Expired: Apr 20, 2015, 4:30 PM EDT
In force: 36 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Anderson County, SC, Greenville County, SC

What was reported inside it

Time	Report	Where	Remark
Apr 20, 4:00 PM EDT	HAIL 1	Sandy Springs, SC

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 20, 1:23 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.9 hours before the alert went out and 220 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: 694 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 689 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 222 m²/s²
0-3 km storm-relative helicity: 284 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.4

Open this sounding in Storm Lab

The text

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

106 
WFUS52 KGSP 201954
TORGSP
SCC007-045-202045-
/O.NEW.KGSP.TO.W.0002.150420T1954Z-150420T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANSBURG SC
ISSUED BY NATIONAL WEATHER SERVICE COLUMBIA SC
354 PM EDT MON APR 20 2015

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* TORNADO WARNING FOR...
  ANDERSON COUNTY IN SOUTH CAROLINA...
  THIS INCLUDES THE CITY OF ANDERSON...
  GREENVILLE COUNTY IN SOUTH CAROLINA...

* UNTIL 445 PM EDT

* AT 354 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR SANDY
  SPRINGS...OR 7 MILES SOUTHEAST OF CLEMSON...MOVING EAST AT 55 MPH.

* THE TORNADO WILL BE NEAR...
  9 MILES NORTH OF BELTON BY 405 PM EDT...
  WILLIAMSTON BY 410 PM EDT...
  FOUNTAIN INN AND SIMPSONVILLE BY 425 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3462 8286 3465 8281 3475 8218 3450 8229
      3449 8282
TIME...MOT...LOC 1954Z 256DEG 46KT 3461 8271

$$

AWP

1 follow-up statement

473 
WWUS52 KGSP 202030
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANSBURG SC
ISSUED BY NATIONAL WEATHER SERVICE COLUMBIA SC
430 PM EDT MON APR 20 2015

SCC007-045-202040-
/O.CAN.KGSP.TO.W.0002.000000T0000Z-150420T2045Z/
ANDERSON SC-GREENVILLE SC-
430 PM EDT MON APR 20 2015

...THE TORNADO WARNING FOR GREENVILLE AND ANDERSON COUNTIES IS
CANCELLED...

LAT...LON 3462 8286 3465 8281 3475 8218 3450 8229
      3449 8282
TIME...MOT...LOC 2030Z 256DEG 46KT 3472 8217

$$

AWP

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 19, 10:15 PM EDT	Areal Flood Warning	GSP	York	6 hr
Apr 20, 4:02 AM EDT	Areal Flood Warning	GSP	York	6 hr
Apr 20, 7:09 AM EDT	Special Weather Statement	GSP	Oconee	51 min
Apr 20, 8:18 AM EDT	Special Weather Statement	GSP	Anderson, Greenville, Pickens, Spartanburg	42 min
Apr 20, 9:05 AM EDT	Special Weather Statement	GSP	Cherokee, Spartanburg, Union, York	55 min
Apr 20, 9:53 AM EDT	Areal Flood Warning	GSP	York	6 hr
Apr 20, 1:10 PM EDT	Severe Thunderstorm Warning	GSP	Oconee, Pickens	50 min
Apr 20, 1:21 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Spartanburg	39 min
Apr 20, 1:42 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Pickens	48 min
Apr 20, 2:03 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Spartanburg	42 min
Apr 20, 2:05 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	40 min
Apr 20, 2:40 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee	35 min
Apr 20, 2:46 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Spartanburg	29 min
Apr 20, 2:48 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Oconee, Pickens	42 min
Apr 20, 3:02 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	28 min
Apr 20, 3:21 PM EDT	Flash Flood Warning	GSP	Greenville, Oconee, Pickens	39 min
Apr 20, 3:21 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Greenville, Spartanburg	39 min
Apr 20, 3:26 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Greenville, Oconee, Pickens	49 min
Apr 20, 3:43 PM EDT	Flash Flood Warning	GSP	Cherokee, Greenville, Spartanburg	62 min
Apr 20, 4:02 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Anderson	43 min
Apr 20, 4:03 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, Greenville, Spartanburg	33 min
Apr 20, 4:28 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Greenville, Laurens, Spartanburg	47 min
Apr 20, 4:31 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee, York	44 min
Apr 20, 5:01 PM EDT	Severe Thunderstorm Warning	GSP	Chester, Union	44 min
Apr 20, 5:39 PM EDT	Severe Thunderstorm Warning	GSP	Chester, Union, York	51 min
Apr 20, 5:57 PM EDT	Special Weather Statement	GSP	Abbeville	33 min
Apr 20, 6:02 PM EDT	Tornado Warning	GSP	Chester, York	28 min
Apr 20, 6:23 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Greenwood, Laurens	52 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.