Alert archive / South Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Wilmington, NC

July 15, 2021Horry County, South Carolina

NWS Wilmington, NC issued this special weather statement at Jul 15, 2021, 3:18 PM EDT for Horry County, South Carolina. It was in force for 57 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 15, 2021, 3:18 PM EDT (19:18 UTC)
Expired: Jul 15, 2021, 4:15 PM EDT
In force: 57 min
Issued by: NWS Wilmington, NC

County Horry County, SC

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 7.3 hours before the alert went out and 148 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: 192 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 1010 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 17 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 15, 3:27 PM EDT	Special Weather Statement	ILM	Georgetown	33 min

Nearby

Special Weather Statements in South Carolina, 2021 Every 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.