Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 74, NWS Greenville-Spartanburg, SC

July 26, 2021Catawba County, Iredell County, Rowan County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 26, 2021, 3:28 PM EDT for Catawba County, Iredell County, Rowan County, North Carolina. It was in force for 47 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 26, 2021, 3:28 PM EDT (19:28 UTC)
Expired: Jul 26, 2021, 4:15 PM EDT
In force: 47 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Catawba County, NC, Iredell County, NC, Rowan County, NC

The radar

The Greer radar (KGSP), 151 km from the middle of the area, began a volume at 19:30 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 26, 3:30 PM EDT	TSTM WND DMG	4 S Scotts, NC	911 CALL CENTER REPORTED TREE DOWN ON BRADY CIRCLE RD

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, 7.5 hours before the alert went out and 99 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: 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.

157 
WUUS52 KGSP 261928
SVRGSP
NCC035-097-159-262015-
/O.NEW.KGSP.SV.W.0074.210726T1928Z-210726T2015Z/

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

The National Weather Service in Greenville-Spartanburg has issued a

* Severe Thunderstorm Warning for...
  East central Catawba County in the Piedmont of North Carolina...
  Central Iredell County in the Piedmont of North Carolina...
  Western Rowan County in the Piedmont of North Carolina...

* Until 415 PM EDT.

* At 327 PM EDT, a severe thunderstorm was located 5 miles southwest
  of Statesville, or near Troutman, moving east at 20 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Statesville, Mooresville, Troutman, Cleveland, Lake Norman State
  Park, Mount Ulla, Doolie, Sherrills Ford, Piedmont Research Station
  and Woodleaf.

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 3565 8106 3583 8100 3578 8060 3552 8069
TIME...MOT...LOC 1927Z 284DEG 17KT 3573 8095 

HAIL...0.75IN
WIND...60MPH
 
$$

ARK

2 follow-up statements

909 
WWUS52 KGSP 261944
SVSGSP

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

NCC035-097-159-262015-
/O.CON.KGSP.SV.W.0074.000000T0000Z-210726T2015Z/
Catawba NC-Iredell NC-Rowan NC-
344 PM EDT Mon Jul 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR EAST CENTRAL CATAWBA...SOUTHERN IREDELL AND WEST CENTRAL ROWAN
COUNTIES...

At 343 PM EDT, a severe thunderstorm was located 8 miles southwest of
Statesville, or near Lake Norman State Park, moving east at 10 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Statesville, Mooresville, Troutman, Cleveland, Lake Norman State
Park, Mount Ulla, Doolie, Sherrills Ford and Lake Norman.

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 producing frequent and intense lightning. Turn off
electrical appliances. Do not use corded telephones. Do not take a
bath or shower.

This storms 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 3577 8102 3580 8100 3578 8062 3554 8073
      3556 8080 3565 8106
TIME...MOT...LOC 1943Z 299DEG 9KT 3569 8098 

HAIL...0.75IN
WIND...60MPH
 
$$

ARK

075 
WWUS52 KGSP 262007
SVSGSP

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

NCC035-097-159-262017-
/O.EXP.KGSP.SV.W.0074.000000T0000Z-210726T2015Z/
Catawba NC-Iredell NC-Rowan NC-
407 PM EDT Mon Jul 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CATAWBA...
SOUTHERN IREDELL AND WEST CENTRAL ROWAN COUNTIES WILL EXPIRE AT 415
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.

LAT...LON 3577 8102 3580 8100 3578 8062 3554 8073
      3556 8080 3565 8106
TIME...MOT...LOC 2007Z 284DEG 17KT 3567 8087 

$$

ARK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 8:00 PM EDT	Flash Flood Warning	GSP	Jackson	79 min
Jul 25, 9:29 PM EDT	Areal Flood Advisory	GSP	Burke, McDowell	47 min
Jul 26, 1:22 PM EDT	Special Weather Statement	GSP	Caldwell, McDowell	23 min
Jul 26, 1:45 PM EDT	Special Weather Statement	GSP	Burke, Caldwell	45 min
Jul 26, 2:08 PM EDT	Areal Flood Advisory	GSP	Burke	3 hr
Jul 26, 2:22 PM EDT	Special Weather Statement	GSP	Alexander	23 min
Jul 26, 2:33 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Iredell	42 min
Jul 26, 2:36 PM EDT	Special Weather Statement	GSP	Burke	24 min
Jul 26, 3:01 PM EDT	Special Weather Statement	GSP	Burke	29 min
Jul 26, 3:06 PM EDT	Areal Flood Advisory	GSP	Macon	3 hr
Jul 26, 3:08 PM EDT	Special Weather Statement	GSP	Davie, Iredell	52 min
Jul 26, 3:26 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Lincoln, Rutherford	49 min
Jul 26, 3:55 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston	50 min
Jul 26, 3:58 PM EDT	Special Weather Statement	GSP	Polk	32 min
Jul 26, 4:09 PM EDT	Special Weather Statement	GSP	Mecklenburg	36 min
Jul 26, 4:33 PM EDT	Severe Thunderstorm Warning	GSP	Gaston	20 min
Jul 26, 5:10 PM EDT	Areal Flood Advisory	GSP	Mecklenburg	3 hr
Jul 26, 5:45 PM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg	30 min
Jul 26, 6:03 PM EDT	Areal Flood Advisory	GSP	Gaston, Mecklenburg	3 hr

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.