Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 79, NWS Greenville-Spartanburg, SC

July 27, 2021Cleveland County, Rutherford County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 27, 2021, 7:52 PM EDT for Cleveland County, Rutherford County, North Carolina. It was in force for 32 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: Jul 27, 2021, 7:52 PM EDT (23:52 UTC)
Expired: Jul 27, 2021, 8:24 PM EDT
In force: 32 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Cleveland County, NC, Rutherford County, NC

The radar

The Greer radar (KGSP), 77 km from the middle of the area, began a volume at 23:52 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
Jul 27, 8:02 PM EDT	TSTM WND DMG	6 Nne Sunshine, NC	AT LEAST A COUPLE TREES BLOWN DOWN ALONG HIGHWAY 226 NEAR THE CLEVELAND COUNTY BORDER.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.9 hours before the alert went out and 179 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: 480 J/kg
Mixed-layer CIN: -116 J/kg
Mixed-layer LCL: 942 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 28 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

062 
WUUS52 KGSP 272352
SVRGSP
NCC045-161-280045-
/O.NEW.KGSP.SV.W.0079.210727T2352Z-210728T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
752 PM EDT Tue Jul 27 2021

The National Weather Service in Greenville-Spartanburg has issued a

* Severe Thunderstorm Warning for...
  East central Rutherford County in western North Carolina...
  Northwestern Cleveland County in the Piedmont of North Carolina...

* Until 845 PM EDT.

* At 752 PM EDT, a severe thunderstorm was located 14 miles northeast
  of Forest City, or 4 miles southwest of Casar, moving southwest at
  20 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and power lines.

* Locations impacted include...
  Forest City, Polkville, Ellenboro, Lattimore, Mooresboro, Bostic,
  Casar, Sunshine, Kingstown and Caroleen.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Scattered trees and power lines will be blown down in the warned
area. Seek shelter inside an interior room.

Brief damaging winds will blow down trees and power lines over small
areas. A brief period of large hail is also possible. Seek shelter
inside an interior room.

Please report damaging winds, hail, or flooding to the National
Weather Service Greenville-Spartanburg by calling toll free, 1, 800,
2 6 7, 8 1 0 1, or by posting on our Facebook page, or Tweet it using
hashtag nwsgsp. Your message should describe the event and the
specific location where it occurred.

&&

LAT...LON 3556 8172 3550 8156 3524 8169 3534 8191
TIME...MOT...LOC 2352Z 026DEG 19KT 3548 8169 

HAIL...0.88IN
WIND...60MPH
 
$$

KRENTZ

1 follow-up statement

050 
WWUS52 KGSP 280024
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
824 PM EDT Tue Jul 27 2021

NCC045-161-280033-
/O.CAN.KGSP.SV.W.0079.000000T0000Z-210728T0045Z/
Rutherford NC-Cleveland NC-
824 PM EDT Tue Jul 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL RUTHERFORD AND
NORTHWESTERN CLEVELAND COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

LAT...LON 3556 8172 3550 8156 3524 8169 3534 8191
TIME...MOT...LOC 0018Z 026DEG 19KT 3533 8178 

$$

KRENTZ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 6:52 AM EDT	Dense Fog Advisory	GSP	Burke, Cleveland, McDowell, Polk, Rutherford	2 hr
Jul 27, 3:24 PM EDT	Special Weather Statement	GSP	McDowell	36 min
Jul 27, 4:00 PM EDT	Special Weather Statement	GSP	Polk	30 min
Jul 27, 4:22 PM EDT	Special Weather Statement	GSP	Jackson	38 min
Jul 27, 4:53 PM EDT	Special Weather Statement	GSP	Avery	52 min
Jul 27, 5:03 PM EDT	Special Weather Statement	GSP	Henderson	27 min
Jul 27, 5:31 PM EDT	Special Weather Statement	GSP	Alexander	29 min
Jul 27, 6:01 PM EDT	Special Weather Statement	GSP	Iredell	29 min
Jul 27, 6:14 PM EDT	Special Weather Statement	GSP	Alexander	31 min
Jul 27, 6:23 PM EDT	Special Weather Statement	GSP	Burke	37 min
Jul 27, 6:41 PM EDT	Areal Flood Advisory	GSP	Alexander, Burke, Caldwell, Catawba, McDowell	3 hr
Jul 27, 7:00 PM EDT	Severe Thunderstorm Warning	GSP	Burke	45 min
Jul 27, 7:38 PM EDT	Special Weather Statement	GSP	Catawba	22 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2021 Every severe thunderstorm warning in 2021

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.