Alert archive / North Carolina / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 175, NWS Greenville-Spartanburg, SC

September 8, 2021Davie County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Sep 8, 2021, 6:28 PM EDT for Davie County, North Carolina. It was in force for 32 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
Sep 8, 2021, 6:28 PM EDT (22:28 UTC)
Expired
Sep 8, 2021, 7:00 PM EDT
In force
32 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Davie County, NC

The radar

The Roanoke radar (KFCX), 129 km from the middle of the area, began a volume at 22:31 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
Sep 8, 6:31 PM EDTTSTM WND DMG2 Nne Mocksville, NCONE TREE REPORTED DOWN NEAR HIGHWAY 158.

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, 10.5 hours before the alert went out and 55 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 2021-09-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1161 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-09-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.193958Sfc1 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
1161 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
818 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

029 
WUUS52 KGSP 082228
SVRGSP
NCC059-082300-
/O.NEW.KGSP.SV.W.0175.210908T2228Z-210908T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Greenville-Spartanburg SC
628 PM EDT Wed Sep 8 2021

The National Weather Service in Greenville-Spartanburg has issued a

* Severe Thunderstorm Warning for...
  Central Davie County in the Piedmont of North Carolina...

* Until 700 PM EDT.

* At 628 PM EDT, a severe thunderstorm was located near Mocksville,
  moving east at 25 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...
  Mocksville, Bermuda Run, Cooleemee, Fork Church and Advance. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Please report damaging winds, hail, or flooding to the National
Weather Service 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 3589 8040 3588 8042 3587 8039 3585 8039
      3585 8042 3583 8043 3583 8046 3584 8048
      3583 8049 3581 8047 3579 8048 3580 8056
      3582 8057 3582 8061 3599 8059 3600 8042
      3599 8042 3596 8038 3589 8037
TIME...MOT...LOC 2228Z 274DEG 20KT 3590 8051 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

ARK
1 follow-up statement
660 
WWUS52 KGSP 082251
SVSGSP

Severe Weather Statement
National Weather Service Greenville-Spartanburg SC
651 PM EDT Wed Sep 8 2021

NCC059-082301-
/O.EXP.KGSP.SV.W.0175.000000T0000Z-210908T2300Z/
Davie NC-
651 PM EDT Wed Sep 8 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL DAVIE COUNTY WILL
EXPIRE AT 700 PM EDT...
        
The storm which prompted the warning has weakened below severe 
limits, and is exiting the warned area. Therefore, the warning will 
be allowed to expire.

To report severe weather to the National Weather Service
Greenville-Spartanburg, call toll free, 1, 800, 2 6 7, 8 1 0 1, or
post 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 3589 8040 3588 8042 3587 8039 3585 8039
      3585 8042 3583 8043 3583 8046 3584 8048
      3583 8049 3581 8047 3579 8048 3580 8056
      3582 8057 3582 8061 3599 8059 3600 8042
      3599 8042 3596 8038 3589 8037
TIME...MOT...LOC 2251Z 274DEG 20KT 3589 8037 

$$

ARK

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 8, 6:15 AM EDTSpecial Weather StatementGSPGaston45 min
Sep 8, 6:44 AM EDTSpecial Weather StatementGSPMecklenburg31 min
Sep 8, 6:54 AM EDTSpecial Weather StatementGSPGaston51 min
Sep 8, 7:19 AM EDTSpecial Weather StatementGSPCabarrus26 min
Sep 8, 7:55 AM EDTSpecial Weather StatementGSPCabarrus35 min
Sep 8, 8:26 AM EDTSpecial Weather StatementGSPRowan34 min
Sep 8, 8:58 AM EDTSpecial Weather StatementGSPDavie32 min
Sep 8, 12:37 PM EDTSpecial Weather StatementGSPHenderson23 min
Sep 8, 1:00 PM EDTSpecial Weather StatementGSPHenderson30 min
Sep 8, 1:36 PM EDTSevere Thunderstorm WarningGSPHenderson, Polk, Rutherford39 min
Sep 8, 1:52 PM EDTSpecial Weather StatementGSPUnion23 min
Sep 8, 2:03 PM EDTSevere Thunderstorm WarningGSPBurke42 min
Sep 8, 2:07 PM EDTSevere Thunderstorm WarningGSPAlexander, Caldwell53 min
Sep 8, 2:12 PM EDTSevere Thunderstorm WarningGSPPolk, Rutherford48 min
Sep 8, 2:15 PM EDTSpecial Weather StatementGSPUnion45 min
Sep 8, 2:55 PM EDTSpecial Weather StatementGSPCaldwell35 min
Sep 8, 2:57 PM EDTSpecial Weather StatementGSPCleveland33 min
Sep 8, 5:07 PM EDTSpecial Weather StatementGSPMcDowell23 min
Sep 8, 5:30 PM EDTSpecial Weather StatementGSPIredell30 min
Sep 8, 5:37 PM EDTSpecial Weather StatementGSPBuncombe23 min
Sep 8, 5:47 PM EDTSpecial Weather StatementGSPMcDowell28 min
Sep 8, 5:54 PM EDTSpecial Weather StatementGSPTransylvania51 min
Sep 8, 6:03 PM EDTSpecial Weather StatementGSPDavie27 min
Sep 8, 6:32 PM EDTSpecial Weather StatementGSPMcDowell28 min
Sep 8, 6:57 PM EDTSpecial Weather StatementGSPMcDowell48 min
Sep 8, 7:29 PM EDTAreal Flood AdvisoryGSPBuncombe2 hr
Sep 8, 7:32 PM EDTSpecial Weather StatementGSPRutherford28 min
Sep 8, 7:41 PM EDTSpecial Weather StatementGSPDavie34 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.