Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 75, NWS Greenville-Spartanburg, SC

July 26, 2021Cleveland County, Gaston County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 26, 2021, 3:55 PM EDT for Cleveland County, Gaston County, North Carolina. It was in force for 50 min. 2 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
Jul 26, 2021, 3:55 PM EDT (19:55 UTC)
Expired
Jul 26, 2021, 4:45 PM EDT
In force
50 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Cleveland County, NC, Gaston County, NC

The radar

The Greer radar (KGSP), 85 km from the middle of the area, began a volume at 19:57 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

TimeReportWhereRemark
Jul 26, 4:10 PM EDTTSTM WND DMG4 Se Shelby, NCA FEW TREES WERE BLOWN DOWN IN THE SOUTHERN PART OF CLEVELAND COUNTY AS THE STORMS MOVED THROUGH.
Jul 26, 4:23 PM EDTTSTM WND DMG3 Ne Patterson Springs, NCTREE DOWN ON CALEB RD COMPLETELY BLOCKING ROADWAY. REPORTED VIA FACEBOOK. TIME ESTIMATED FROM RADAR.

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, 7.9 hours before the alert went out and 164 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2021-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 401 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2021-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
401 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
925 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

592 
WUUS52 KGSP 261955
SVRGSP
NCC045-071-262045-
/O.NEW.KGSP.SV.W.0075.210726T1955Z-210726T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
355 PM EDT Mon Jul 26 2021

The National Weather Service in Greenville-Spartanburg has issued a

* Severe Thunderstorm Warning for...
  Southeastern Cleveland County in the Piedmont of North Carolina...
  Western Gaston County in the Piedmont of North Carolina...

* Until 445 PM EDT.

* At 354 PM EDT, a severe thunderstorm was located near Shelby,
  moving east at 10 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Shelby, Kings Mountain, Cherryville, Grover, Patterson Springs,
  Waco, Earl, Lawndale, Bessemer City and Crowders Mountain State
  Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This storm is also producing extremely heavy rainfall. Flooding of
drainage ditches and low lying areas may occur. Small streams will
rise rapidly. Do not drive through areas where water is flowing over
the road.

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 3539 8127 3516 8133 3517 8147 3522 8164
      3541 8159
TIME...MOT...LOC 1954Z 283DEG 8KT 3531 8154 

HAIL...<.75IN
WIND...60MPH
 
$$

ARK
1 follow-up statement
929 
WWUS52 KGSP 262041
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
441 PM EDT Mon Jul 26 2021

NCC045-071-262050-
/O.EXP.KGSP.SV.W.0075.000000T0000Z-210726T2045Z/
Cleveland NC-Gaston NC-
441 PM EDT Mon Jul 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CLEVELAND AND
WESTERN GASTON COUNTIES WILL EXPIRE AT 445 PM EDT...
                
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 will be allowed to expire.  However gusty winds
and heavy rain are still possible with this thunderstorm.

If you observed large hail or wind damage, please report it 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.

Remember, a Severe Thunderstorm Warning still remains in effect for
Southern Gaston County until 515 PM EDT.

LAT...LON 3539 8127 3516 8133 3517 8147 3522 8164
      3541 8159
TIME...MOT...LOC 2040Z 283DEG 8KT 3529 8143 

$$

ARK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 8:00 PM EDTFlash Flood WarningGSPJackson79 min
Jul 25, 9:29 PM EDTAreal Flood AdvisoryGSPBurke, McDowell47 min
Jul 26, 1:22 PM EDTSpecial Weather StatementGSPCaldwell, McDowell23 min
Jul 26, 1:45 PM EDTSpecial Weather StatementGSPBurke, Caldwell45 min
Jul 26, 2:08 PM EDTAreal Flood AdvisoryGSPBurke3 hr
Jul 26, 2:22 PM EDTSpecial Weather StatementGSPAlexander23 min
Jul 26, 2:33 PM EDTSevere Thunderstorm WarningGSPAlexander, Iredell42 min
Jul 26, 2:36 PM EDTSpecial Weather StatementGSPBurke24 min
Jul 26, 3:01 PM EDTSpecial Weather StatementGSPBurke29 min
Jul 26, 3:06 PM EDTAreal Flood AdvisoryGSPMacon3 hr
Jul 26, 3:08 PM EDTSpecial Weather StatementGSPDavie, Iredell52 min
Jul 26, 3:26 PM EDTSevere Thunderstorm WarningGSPCleveland, Lincoln, Rutherford49 min
Jul 26, 3:28 PM EDTSevere Thunderstorm WarningGSPCatawba, Iredell, Rowan47 min
Jul 26, 3:58 PM EDTSpecial Weather StatementGSPPolk32 min
Jul 26, 4:09 PM EDTSpecial Weather StatementGSPMecklenburg36 min
Jul 26, 4:33 PM EDTSevere Thunderstorm WarningGSPGaston20 min
Jul 26, 5:10 PM EDTAreal Flood AdvisoryGSPMecklenburg3 hr
Jul 26, 5:45 PM EDTSevere Thunderstorm WarningGSPMecklenburg30 min
Jul 26, 6:03 PM EDTAreal Flood AdvisoryGSPGaston, Mecklenburg3 hr

Nearby

Severe Thunderstorm Warnings in North Carolina, 2021Every 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.