Alert archive / North Carolina / Tornado Warnings in 2021

Tornado Warning 11, NWS Greenville-Spartanburg, SC

March 25, 2021Cabarrus County, Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Mar 25, 2021, 6:13 PM EDT for Cabarrus County, Union County, North Carolina. It was in force for 17 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: Mar 25, 2021, 6:13 PM EDT (22:13 UTC)
Expired: Mar 25, 2021, 6:30 PM EDT
In force: 17 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

Counties Cabarrus County, NC, Union County, NC

The radar

The Columbia radar (KCAE), 151 km from the middle of the area, began a volume at 22:12 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, 10.2 hours before the alert went out and 110 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: 1 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 703 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 36 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

050 
WFUS52 KGSP 252213
TORGSP
NCC025-179-252230-
/O.NEW.KGSP.TO.W.0011.210325T2213Z-210325T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Greenville-Spartanburg SC
613 PM EDT Thu Mar 25 2021

The National Weather Service in Greenville-Spartanburg has issued a

* Tornado Warning for...
  South central Cabarrus County in the Piedmont of North Carolina...
  Northeastern Union County in the Piedmont of North Carolina...

* Until 630 PM EDT.
    
* At 613 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 14 miles south of Downtown Concord, or near Midland,
  moving east at 40 mph.

  HAZARD...Tornado and golf ball size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous thunderstorm will remain over mainly rural areas of
  south central Cabarrus and northeastern Union Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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 3518 8028 3515 8061 3516 8061 3521 8055
      3524 8060 3525 8059 3530 8043 3521 8048
      3519 8051 3518 8050 3518 8048 3517 8047
      3518 8037 3519 8030 3519 8028
TIME...MOT...LOC 2213Z 255DEG 36KT 3520 8056 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

LANE

1 follow-up statement

494 
WWUS52 KGSP 252231
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
631 PM EDT Thu Mar 25 2021

NCC025-179-252241-
/O.EXP.KGSP.TO.W.0011.000000T0000Z-210325T2230Z/
Cabarrus NC-Union NC-
631 PM EDT Thu Mar 25 2021

...THE TORNADO WARNING FOR SOUTH CENTRAL CABARRUS AND NORTHEASTERN
UNION COUNTIES HAS EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been allowed to expire.

LAT...LON 3518 8028 3515 8061 3516 8061 3521 8055
      3524 8060 3525 8059 3530 8043 3521 8048
      3519 8051 3518 8050 3518 8048 3517 8047
      3518 8037 3519 8030 3519 8028
TIME...MOT...LOC 2231Z 255DEG 36KT 3525 8035 

$$

LANE

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 25, 4:16 AM EDT	Flash Flood Watch	GSP	Graham, Haywood, Jackson, Macon, Swain, Transylvania	23 hr
Mar 25, 1:14 PM EDT	Special Weather Statement	GSP	Macon	31 min
Mar 25, 2:14 PM EDT	Special Weather Statement	GSP	Transylvania	31 min
Mar 25, 2:40 PM EDT	Tornado Warning	GSP	Henderson, Polk, Transylvania	50 min
Mar 25, 4:01 PM EDT	Tornado Warning	GSP	Cleveland, Rutherford	44 min
Mar 25, 4:51 PM EDT	Areal Flood Advisory	GSP	Macon	3 hr
Mar 25, 5:59 PM EDT	Special Weather Statement	GSP	Union	31 min
Mar 25, 6:30 PM EDT	Special Weather Statement	GSP	Union	15 min
Mar 25, 6:50 PM EDT	Areal Flood Advisory	GSP	Henderson, Transylvania	3 hr
Mar 25, 7:11 PM EDT	River Flood Warning	GSP	Henderson, Transylvania	3 days
Mar 25, 7:19 PM EDT	River Flood Advisory	GSP	Buncombe, Henderson	3 hr
Mar 25, 7:41 PM EDT	Areal Flood Advisory	GSP	Jackson, Macon	11 hr

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.