Alert archive / North Carolina / Tornado Warnings in 2021

Tornado Warning 25, NWS Greenville-Spartanburg, SC

June 20, 2021Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Jun 20, 2021, 3:03 PM EDT for Union County, North Carolina. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 20, 2021, 3:03 PM EDT (19:03 UTC)
Expired: Jun 20, 2021, 3:30 PM EDT
In force: 27 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Union County, NC

The radar

The Columbia radar (KCAE), 123 km from the middle of the area, began a volume at 19:02 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.1 hours before the alert went out and 140 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: 9 J/kg
Mixed-layer CIN: -203 J/kg
Mixed-layer LCL: 746 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 6 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

715 
WFUS52 KGSP 201903
TORGSP
NCC179-201930-
/O.NEW.KGSP.TO.W.0025.210620T1903Z-210620T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
303 PM EDT Sun Jun 20 2021

The National Weather Service in Greenville-Spartanburg has issued a

* Tornado Warning for...
  Southeastern Union County in the Piedmont of North Carolina...

* Until 330 PM EDT.
    
* At 303 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles south of Monroe, moving northeast at 25 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Expect damage to mobile homes, roofs, and vehicles.

* This dangerous storm will be near...
  Marshville, Wingate and Sturdivants around 330 PM EDT.

Other locations impacted by this dangerous thunderstorm include
Trinity.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A brief, weak tornado is likely. Mobile homes could be flipped.
Falling trees can cause death or serious injury, and major damage to
houses. Move to a basement or an interior room on the lowest floor of
a sturdy building.

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 3488 8031 3481 8045 3482 8062 3484 8065
      3509 8044 3500 8030
TIME...MOT...LOC 1903Z 224DEG 22KT 3486 8052 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

8

1 follow-up statement

714 
WWUS52 KGSP 201913
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
313 PM EDT Sun Jun 20 2021

NCC179-201930-
/O.CON.KGSP.TO.W.0025.000000T0000Z-210620T1930Z/
Union NC-
313 PM EDT Sun Jun 20 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM EDT FOR
SOUTHEASTERN UNION COUNTY...
    
At 313 PM EDT, a severe thunderstorm capable of producing a tornado
was located 7 miles southeast of Monroe, or 5 miles south of Wingate,
moving northeast at 25 mph.

HAZARD...TORNADO.

SOURCE...Radar indicated rotation.

IMPACT...Expect damage to mobile homes, roofs, and vehicles.

This dangerous storm will be near...
  Marshville, Wingate and Sturdivants around 330 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A brief, weak tornado is likely. Mobile homes could be flipped.
Falling trees can cause death or serious injury, and major damage to
houses. Move to a basement or an interior room on the lowest floor of
a sturdy building.

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 3485 8049 3489 8053 3508 8043 3500 8030
      3491 8031
TIME...MOT...LOC 1913Z 225DEG 24KT 3490 8046 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

8

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 7:09 AM EDT	Areal Flood Advisory	GSP	Union	6 hr
Jun 20, 3:31 PM EDT	Special Weather Statement	GSP	Union	14 min
Jun 20, 6:50 PM EDT	Special Weather Statement	GSP	Yancey	25 min
Jun 20, 7:18 PM EDT	Special Weather Statement	GSP	Buncombe	27 min

Nearby

Tornado Warnings in North Carolina, 2021 Every tornado warning in 2021 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.