Alert archive / North Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Greenville-Spartanburg, SC

July 1, 2021Davie County, Iredell County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Jul 1, 2021, 11:21 PM EDT for Davie County, Iredell County, North Carolina. It was in force for 39 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
Jul 1, 2021, 11:21 PM EDT (03:21 UTC)
Expired
Jul 2, 2021, 12:00 AM EDT
In force
39 min
Issued by
NWS Greenville-Spartanburg, SC

Counties Davie County, NC, Iredell County, NC

The radar

The Roanoke radar (KFCX), 121 km from the middle of the area, began a volume at 03:21 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 00:00Z, 3.4 hours before the alert went out and 57 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 00:00Z on 2021-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 541 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 00:00Z on 2021-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.1939Sfc1 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
541 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1416 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

391 
WWUS82 KGSP 020321
SPSGSP

Special Weather Statement
National Weather Service Greenville-Spartanburg SC
1121 PM EDT Thu Jul 1 2021
 
NCZ036-037-057-020400-
Rowan NC-Davie NC-Iredell NC-
1121 PM EDT Thu Jul 1 2021

...A SERIES OF HEAVY SHOWERS AND STRONG THUNDERSTORM WILL IMPACT 
DAVIE...NORTHERN IREDELL AND NORTHWESTERN ROWAN COUNTIES UNTIL 
MIDNIGHT EDT...

At 1119 PM EDT, Doppler radar was tracking a series of thunderstorms 
across northern Iredell County, with the strongest storm 7 miles 
northeast of Statesville, or 6 miles southwest of Harmony, moving 
northeast at 20 mph.

Locations to be impacted include...
Statesville, Mocksville, Bermuda Run, Harmony, Fork Church, Advance,
Turnersburg, Olin, Sheffield and Farmington.

Wind gusts up to 40 mph and very heavy rainfall rates up to 2 inches 
per hour will be possible in these areas. Isolated flooding may 
result. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Gusty winds can blow down trees that are dead, or that have weakened
root systems. Outdoor furniture and similar items can be tossed
around if not anchored. Seek shelter indoors.

Torrential rainfall may flood areas with poor drainage, such as
ditches and underpasses. Avoid these areas and do not cross flooded
roads. Water levels of small streams may also rise rapidly. Seek
higher ground if threatened by flood waters.

&&

LAT...LON 3589 8037 3589 8041 3588 8042 3587 8040
      3571 8094 3592 8102 3605 8076 3604 8049
      3606 8047 3606 8046 3603 8044 3600 8041
      3599 8042 3596 8038
TIME...MOT...LOC 0319Z 243DEG 19KT 3588 8083 

$$

HG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 8:00 PM EDTSpecial Weather StatementGSPMecklenburg30 min
Jul 1, 8:33 PM EDTSpecial Weather StatementGSPCabarrus, Mecklenburg27 min
Jul 1, 9:09 PM EDTSpecial Weather StatementGSPRowan36 min
Jul 1, 10:12 PM EDTAreal Flood AdvisoryGSPMadison8 hr
Jul 1, 10:43 PM EDTSpecial Weather StatementGSPDavie32 min
Jul 1, 11:45 PM EDTAreal Flood AdvisoryGSPDavie, Iredell, Rowan2 hr
Jul 2, 2:50 AM EDTSpecial Weather StatementGSPGraham, Jackson, Macon, Swain55 min
Jul 2, 4:22 AM EDTAreal Flood AdvisoryGSPMitchell, Yancey3 hr
Jul 1, 10:30 PM EDTSpecial Weather StatementGSPAnderson45 min
Jul 1, 11:27 PM EDTSpecial Weather StatementGSPAnderson48 min
Jul 2, 12:34 AM EDTAreal Flood AdvisoryGSPAnderson108 min
Jul 1, 9:40 PM EDTSpecial Weather StatementGSPHart35 min

Nearby

Special Weather Statements in North Carolina, 2021Every special weather statement 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.