Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 14, NWS Greenville-Spartanburg, SC

March 27, 20214 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 27, 2021, 2:00 PM EDT for 4 counties in North Carolina. It was in force for 45 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 27, 2021, 2:00 PM EDT (18:00 UTC)
Expired
Mar 27, 2021, 2:45 PM EDT
In force
45 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Burke County, NC, Cleveland County, NC, McDowell County, NC, Rutherford County, NC

The radar

The Greer radar (KGSP), 82 km from the middle of the area, began a volume at 18:04 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, 6.0 hours before the alert went out and 185 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 2021-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2434 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

254 
WUUS52 KGSP 271800
SVRGSP
NCC023-045-111-161-271845-
/O.NEW.KGSP.SV.W.0014.210327T1800Z-210327T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
200 PM EDT Sat Mar 27 2021

The National Weather Service in Greenville-Spartanburg has issued a

* Severe Thunderstorm Warning for...
  Southern McDowell County in western North Carolina...
  Northern Rutherford County in western North Carolina...
  Northwestern Cleveland County in the Piedmont of North Carolina...
  Southwestern Burke County in western North Carolina...

* Until 245 PM EDT.

* At 200 PM EDT, a severe thunderstorm was located near Marion,
  moving east at 40 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Marion, Belwood, Old Fort, Casar, Chimney Rock State Park, South
  Mountains State Park, Thermal City, Pleasant Gardens, Glenwood and
  Sunshine.

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 3563 8150 3561 8150 3556 8153 3555 8151
      3552 8151 3548 8148 3543 8148 3545 8225
      3550 8222 3552 8223 3553 8217 3556 8226
      3559 8228 3572 8219
TIME...MOT...LOC 1800Z 277DEG 68KT 3564 8200 

HAIL...1.00IN
WIND...60MPH
 
$$

SW
1 follow-up statement
793 
WWUS52 KGSP 271845
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
245 PM EDT Sat Mar 27 2021

NCC023-045-111-161-271852-
/O.EXP.KGSP.SV.W.0014.000000T0000Z-210327T1845Z/
McDowell NC-Rutherford NC-Cleveland NC-Burke NC-
245 PM EDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MCDOWELL...NORTHERN
RUTHERFORD...NORTHWESTERN CLEVELAND AND SOUTHWESTERN BURKE COUNTIES
WILL EXPIRE AT 245 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 will remain possible over portions of 
northern Rutherford into Cleveland County through around 330 PM.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
much of western North Carolina.

LAT...LON 3563 8150 3561 8150 3556 8153 3555 8151
      3552 8151 3548 8148 3543 8148 3545 8225
      3550 8222 3552 8223 3553 8217 3556 8226
      3559 8228 3572 8219
TIME...MOT...LOC 1842Z 277DEG 68KT 3555 8114 

$$

LANE

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 12:51 AM EDTAreal Flood AdvisoryGSPRowan4 hr
Mar 27, 6:05 AM EDTRiver Flood AdvisoryGSPCleveland15 hr
Mar 27, 11:58 AM EDTSpecial Weather StatementGSPGraham, Swain62 min
Mar 27, 12:35 PM EDTSpecial Weather StatementGSPMadison55 min
Mar 27, 12:50 PM EDTFlash Flood WatchGSPAvery, Buncombe, Burke, Caldwell, Graham, Haywood and 11 more23 hr
Mar 27, 12:59 PM EDTSpecial Weather StatementGSPAvery, Mitchell, Yancey61 min
Mar 27, 1:23 PM EDTSpecial Weather StatementGSPBuncombe67 min
Mar 27, 1:30 PM EDTSevere Thunderstorm WarningGSPBuncombe45 min
Mar 27, 1:32 PM EDTSevere Thunderstorm WarningGSPDavie, Iredell, Rowan43 min
Mar 27, 1:39 PM EDTSevere Thunderstorm WarningGSPAvery, Burke, Caldwell66 min
Mar 27, 1:53 PM EDTSevere Thunderstorm WarningGSPBurke, Caldwell, McDowell55 min
Mar 27, 2:19 PM EDTSevere Thunderstorm WarningGSPAlexander, Caldwell29 min
Mar 27, 2:29 PM EDTSpecial Weather StatementGSPCleveland, Polk, Rutherford31 min
Mar 27, 2:45 PM EDTSpecial Weather StatementGSPAlexander, Catawba, Cleveland, Davie, Gaston, Iredell and 1 more45 min
Mar 27, 3:15 PM EDTSpecial Weather StatementGSPDavie, Iredell, Rowan45 min
Mar 27, 3:24 PM EDTSpecial Weather StatementGSPCleveland, Gaston, Lincoln51 min
Mar 27, 3:53 PM EDTSpecial Weather StatementGSPCabarrus, Gaston, Mecklenburg, Rowan52 min
Mar 27, 3:59 PM EDTSevere Thunderstorm WarningGSPCabarrus, Mecklenburg31 min
Mar 27, 4:17 PM EDTSevere Thunderstorm WarningGSPCabarrus, Rowan28 min
Mar 27, 5:04 PM EDTSpecial Weather StatementGSPUnion41 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.