Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 13, NWS Greenville-Spartanburg, SC

March 27, 2021Burke County, Caldwell County, McDowell County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 27, 2021, 1:53 PM EDT for Burke County, Caldwell County, McDowell County, North Carolina. It was in force for 55 min. 2 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
Mar 27, 2021, 1:53 PM EDT (17:53 UTC)
Expired
Mar 27, 2021, 2:48 PM EDT
In force
55 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Burke County, NC, Caldwell County, NC, McDowell County, NC

The radar

The Greer radar (KGSP), 115 km from the middle of the area, began a volume at 17:54 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
Mar 27, 2:25 PM EDTTSTM WND DMGN Morganton, NCA FEW LARGE LIMBS BLOWN DOWN.
Mar 27, 2:25 PM EDTHAIL 0.75N Morganton, NCBRIEF MARBLE TO PENNY SIZED HAIL.

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, 5.9 hours before the alert went out and 159 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.

603 
WUUS52 KGSP 271753
SVRGSP
NCC023-027-111-271900-
/O.NEW.KGSP.SV.W.0013.210327T1753Z-210327T1900Z/

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

The National Weather Service in Greenville-Spartanburg has issued a

* Severe Thunderstorm Warning for...
  Northeastern McDowell County in western North Carolina...
  Southern Caldwell County in western North Carolina...
  Burke County in western North Carolina...

* Until 300 PM EDT.

* At 153 PM EDT, a severe thunderstorm was located 9 miles southeast 
  of Spruce Pine, or 6 miles north of Lake James, 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...
  Morganton, Sawmills, Granite Falls, Valdese, Gamewell, Hudson,
  Icard, Cajah's Mountain, Drexel and Hildebran.

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 3586 8134 3583 8134 3577 8136 3570 8141
      3564 8148 3571 8207 3588 8201 3587 8200
      3589 8198
TIME...MOT...LOC 1753Z 269DEG 43KT 3583 8193 

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

SW
2 follow-up statements
517 
WWUS52 KGSP 271841
SVSGSP

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

NCC111-271851-
/O.CAN.KGSP.SV.W.0013.000000T0000Z-210327T1900Z/
McDowell NC-
241 PM EDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MCDOWELL COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area, therefore the warning has been cancelled.

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

LAT...LON 3586 8134 3583 8134 3577 8136 3570 8141
      3564 8148 3568 8180 3587 8163
TIME...MOT...LOC 1841Z 269DEG 43KT 3584 8122 

$$

NCC023-027-271900-
/O.CON.KGSP.SV.W.0013.000000T0000Z-210327T1900Z/
Caldwell NC-Burke NC-
241 PM EDT Sat Mar 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR SOUTHEASTERN CALDWELL AND SOUTHEASTERN BURKE COUNTIES...

At 241 PM EDT, a severe thunderstorm was located 6 miles south of
Taylorsville, or 4 miles northeast of Bethlehem, moving east at 50
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...
Morganton, Sawmills, Granite Falls, Valdese, Gamewell, Hudson, Icard,
Cajah's Mountain, Drexel and Hildebran.

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 3586 8134 3583 8134 3577 8136 3570 8141
      3564 8148 3568 8180 3587 8163
TIME...MOT...LOC 1841Z 269DEG 43KT 3584 8122 

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

RM
131 
WWUS52 KGSP 271848 RRA
SVSGSP

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

NCC023-027-271858-
/O.CAN.KGSP.SV.W.0013.000000T0000Z-210327T1900Z/
Caldwell NC-Burke NC-
248 PM EDT Sat Mar 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CALDWELL AND
SOUTHEASTERN BURKE COUNTIES IS CANCELLED...
                
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 has been cancelled.  However gusty winds are
still possible with this thunderstorm.

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

LAT...LON 3586 8134 3583 8134 3577 8136 3570 8141
      3564 8148 3568 8180 3587 8163
TIME...MOT...LOC 1842Z 269DEG 43KT 3597 8108 

$$

RM

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, 2:00 PM EDTSevere Thunderstorm WarningGSPBurke, Cleveland, McDowell, Rutherford45 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.