Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 38, NWS Greenville-Spartanburg, SC

May 29, 2021Rowan County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 29, 2021, 3:53 PM EDT for Rowan County, North Carolina. It was in force for 37 min. 9 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
May 29, 2021, 3:53 PM EDT (19:53 UTC)
Expired
May 29, 2021, 4:30 PM EDT
In force
37 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Rowan County, NC

The radar

The Roanoke radar (KFCX), 151 km from the middle of the area, began a volume at 19:55 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
May 29, 4:00 PM EDTTSTM WND DMG2 Ese Salisbury, NCMULTIPLE DOWNED TREES NEAR NEWSOME RD
May 29, 4:00 PM EDTTSTM WND DMG2 Ese Salisbury, NCSTRONG EVIDENCE OF A MICROBURST WITH AN AREA ABOUT A MILE ACROSS WITH SIGNIFICANT DAMAGE TO TREES AS AT LEAST 3 DOZEN TREES BLOWN DOWN FROM NEWSOM ROAD TO WESLEY DRIVE TO CRANE CREEK ROAD. A TREE STILL ON A HOUSE THIS MORNING ON WESLEY DRIVE. A CAR CRUSHED BY
May 29, 4:00 PM EDTHAIL 1.52 Ese Salisbury, NCHAIL REPORTED IN THIS AREA FROM THE SIZE OF QUARTERS TO AT LEAST PING PONG BALL SIZED.
May 29, 4:10 PM EDTTSTM WND DMG3 Ese Salisbury, NCDOWNED TREE AT EARNHARD RD AND CLAIRMONT ROAD
May 29, 4:10 PM EDTHAIL 0.751 Wnw Salisbury, NC
May 29, 4:10 PM EDTHAIL 0.754 Sse Salisbury, NC
May 29, 4:16 PM EDTTSTM WND DMG2 Ese Salisbury, NCDOWNED TREES ON WESLEY DRIVE
May 29, 4:25 PM EDTHAIL 15 Ene Granite Quarry, NCHAIL REPORTED FROM DAN NICHOLAS PARK
May 29, 4:28 PM EDTTSTM WND DMG1 Ese Salisbury, NCTREE DOWN AT TOWNE CREEK COMMONS

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 62 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 2021-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 111 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 2021-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -46 square meters per square second.19395878Sfc1 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
111 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
695 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-46 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

640 
WUUS52 KGSP 291953
SVRGSP
NCC159-292030-
/O.NEW.KGSP.SV.W.0038.210529T1953Z-210529T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
353 PM EDT Sat May 29 2021

The National Weather Service in Greenville-Spartanburg has issued a

* Severe Thunderstorm Warning for...
  Central Rowan County in the Piedmont of North Carolina...

* Until 430 PM EDT.

* At 353 PM EDT, a severe thunderstorm was located near Salisbury, or
  near Granite Quarry, moving northeast at 25 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor hail damage to vehicles is expected. Expect wind 
           damage to trees and power lines.

* Locations impacted include...
  Salisbury, Spencer, Granite Quarry, Faith and High Rock Lake. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Scattered trees and power lines will be blown down in the warned
area. 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 3555 8046 3569 8055 3574 8046 3573 8045
      3572 8042 3573 8039 3572 8036 3572 8034
      3571 8032 3568 8033 3567 8031 3563 8029
      3563 8027 3562 8025
TIME...MOT...LOC 1953Z 240DEG 21KT 3565 8043 

HAIL...1.25IN
WIND...60MPH
 
$$

KRENTZ
2 follow-up statements
725 
WWUS52 KGSP 292009
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
409 PM EDT Sat May 29 2021

NCC159-292030-
/O.CON.KGSP.SV.W.0038.000000T0000Z-210529T2030Z/
Rowan NC-
409 PM EDT Sat May 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR SOUTHEASTERN ROWAN COUNTY...

At 409 PM EDT, a severe thunderstorm was located 8 miles southwest of
Lexington, or near High Rock Lake, moving northeast at 25 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to trees and power lines.

Locations impacted include...
Spencer, High Rock Lake and Salisbury. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Scattered trees and power lines will be blown down in the warned
area. 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 3557 8039 3568 8046 3574 8046 3573 8045
      3572 8042 3573 8039 3572 8036 3572 8034
      3571 8032 3568 8033 3567 8031 3563 8029
      3563 8027 3562 8025
TIME...MOT...LOC 2009Z 240DEG 21KT 3570 8033 

HAIL...1.50IN
WIND...60MPH
 
$$

KRENTZ
041 
WWUS52 KGSP 292027
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
427 PM EDT Sat May 29 2021

NCC159-292036-
/O.EXP.KGSP.SV.W.0038.000000T0000Z-210529T2030Z/
Rowan NC-
427 PM EDT Sat May 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ROWAN COUNTY WILL
EXPIRE AT 430 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

LAT...LON 3557 8039 3568 8046 3574 8046 3573 8045
      3572 8042 3573 8039 3572 8036 3572 8034
      3571 8032 3568 8033 3567 8031 3563 8029
      3563 8027 3562 8025
TIME...MOT...LOC 2026Z 240DEG 21KT 3575 8023 

$$

KRENTZ

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 10:49 PM EDTSpecial Weather StatementGSPCleveland, Gaston, Lincoln26 min
May 28, 11:09 PM EDTSpecial Weather StatementGSPCatawba, Cleveland, Gaston, Lincoln36 min
May 28, 11:47 PM EDTSpecial Weather StatementGSPAlexander, Catawba, Davie, Iredell, Lincoln43 min
May 29, 2:45 PM EDTSpecial Weather StatementGSPCatawba, Lincoln45 min
May 29, 3:31 PM EDTSpecial Weather StatementGSPCatawba, Cleveland, Iredell, Lincoln44 min
May 29, 3:49 PM EDTSpecial Weather StatementGSPRowan26 min

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.