Alert archive / South Carolina / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 21, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 20, 2015, 3:21 PM EDT for Cleveland County, Rutherford County, North Carolina; Cherokee County, Greenville County, Spartanburg County, South Carolina. It was in force for 39 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 20, 2015, 3:21 PM EDT (19:21 UTC)
- Expired
- Apr 20, 2015, 4:00 PM EDT
- In force
- 39 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
Counties Cleveland County, NC, Rutherford County, NC, Cherokee County, SC, Greenville County, SC, Spartanburg County, SC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 20, 3:21 PM EDT | HAIL 1 | Paris Mountain State Pa, SC | 1 INCH HAIL REPORTED. |
| Apr 20, 3:30 PM EDT | TSTM WND GST 60 | Mooresboro, NC | 626 GANNETTE GROVE CHURCH RD. |
| Apr 20, 3:35 PM EDT | HAIL 0.5 | Taylors, SC | |
| Apr 20, 3:37 PM EDT | HAIL 1 | Greer, SC | 1 INCH HAIL REPORTED. |
| Apr 20, 3:50 PM EDT | HAIL 0.5 | Boiling Springs Sc, 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.4 hours before the alert went out and 224 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.
- Mixed-layer CAPE
- 17 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 654 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
133
WUUS52 KGSP 201921
SVRGSP
NCC045-161-SCC021-045-083-202000-
/O.NEW.KGSP.SV.W.0021.150420T1921Z-150420T2000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
ISSUED BY NATIONAL WEATHER SERVICE COLUMBIA SC
321 PM EDT MON APR 20 2015
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CLEVELAND COUNTY IN NORTH CAROLINA...
CHEROKEE COUNTY IN SOUTH CAROLINA...
THIS INCLUDES THE CITY OF GAFFNEY...
GREENVILLE COUNTY IN SOUTH CAROLINA...
THIS INCLUDES THE CITY OF GREENVILLE...
SPARTANBURG COUNTY IN SOUTH CAROLINA...
RUTHERFORD COUNTY IN WESTERN NORTH CAROLINA...
* UNTIL 400 PM EDT
* AT 311 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
MULTIPLE SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL. THE STORMS EXTENDED FROM WESTERN GREENVILLE COUNTY THROUGH
CENTRAL CHEROKEE COUNTY AND WERE MOVING EAST AT 45 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TAYLORS...TIGERVILLE...GREER...DUNCAN...LYMAN...INMAN...BOILING
SPRINGS SC...MAYO...CHESNEE...COWPENS...EARL...CLIFFSIDE...BOILING
SPRINGS NC...THICKETTY AND BLACKSBURG
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
&&
LAT...LON 3481 8244 3507 8250 3519 8208 3519 8197
3523 8196 3533 8161 3509 8143
TIME...MOT...LOC 1919Z 252DEG 40KT 3492 8234
$$
MC/CRThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 8:33 PM EDT | River Flood Warning | GSP | Henderson, Transylvania | 61 hr |
| Apr 19, 8:57 PM EDT | Areal Flood Warning | GSP | Burke, Caldwell | 6 hr |
| Apr 19, 9:28 PM EDT | Special Weather Statement | GSP | Swain | 32 min |
| Apr 19, 9:39 PM EDT | River Flood Advisory | GSP | Haywood | 12 hr |
| Apr 19, 10:04 PM EDT | Special Weather Statement | GSP | Madison | 26 min |
| Apr 19, 10:15 PM EDT | Areal Flood Warning | GSP | Cabarrus, Gaston, Mecklenburg, Union | 6 hr |
| Apr 20, 12:04 AM EDT | River Flood Warning | GSP | Gaston | 35 hr |
| Apr 20, 3:04 AM EDT | Areal Flood Warning | GSP | Burke, Caldwell | 6 hr |
| Apr 20, 4:11 AM EDT | Areal Flood Warning | GSP | Cabarrus, Mecklenburg, Union | 6 hr |
| Apr 20, 9:05 AM EDT | Special Weather Statement | GSP | Cleveland, Gaston, Lincoln, Rutherford | 55 min |
| Apr 20, 9:30 AM EDT | Severe Thunderstorm Warning | GSP | Gaston, Mecklenburg | 45 min |
| Apr 20, 9:48 AM EDT | Special Weather Statement | GSP | Mecklenburg | 27 min |
| Apr 20, 10:06 AM EDT | Areal Flood Warning | GSP | Cabarrus, Mecklenburg, Union | 3 hr |
| Apr 20, 10:14 AM EDT | Special Weather Statement | GSP | Cabarrus, Mecklenburg, Rowan | 46 min |
| Apr 20, 10:35 AM EDT | Severe Thunderstorm Warning | GSP | Cabarrus | 13 min |
| Apr 20, 1:57 PM EDT | Special Weather Statement | GSP | Polk | 33 min |
| Apr 20, 2:03 PM EDT | Severe Thunderstorm Warning | GSP | Polk | 42 min |
| Apr 20, 2:40 PM EDT | Severe Thunderstorm Warning | GSP | Cleveland | 35 min |
| Apr 20, 3:12 PM EDT | Severe Thunderstorm Warning | GSP | Cleveland, Gaston, Lincoln, Mecklenburg | 48 min |
| Apr 20, 3:58 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Gaston, Mecklenburg, Rowan | 47 min |
| Apr 20, 4:03 PM EDT | Severe Thunderstorm Warning | GSP | Cleveland, Rutherford | 33 min |
| Apr 20, 4:22 PM EDT | Flash Flood Warning | GSP | Mecklenburg | 3 hr |
| Apr 20, 4:31 PM EDT | Severe Thunderstorm Warning | GSP | Cleveland, Gaston | 44 min |
| Apr 20, 4:41 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Rowan | 49 min |
| Apr 20, 5:20 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Mecklenburg | 40 min |
| Apr 20, 6:39 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus | 36 min |
| 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, 9:53 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, 2:05 PM EDT | Severe Thunderstorm Warning | GSP | Oconee | 40 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, 3:26 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, 3:54 PM EDT | Tornado Warning | GSP | Anderson, Greenville | 36 min |
| Apr 20, 4:02 PM EDT | Severe Thunderstorm Warning | GSP | Abbeville, Anderson | 43 min |
| Apr 20, 4:28 PM EDT | Severe Thunderstorm Warning | GSP | Anderson, Greenville, Laurens, Spartanburg | 47 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
Severe Thunderstorm Warnings in South Carolina, 2015Severe Thunderstorm Warnings in North Carolina, 2015Every severe thunderstorm warning 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.