Alert archive / South Carolina / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 71, NWS Wilmington, NC

July 15, 2024Horry County, South Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Jul 15, 2024, 5:22 PM EDT for Horry County, South Carolina. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 15, 2024, 5:22 PM EDT (21:22 UTC)
Expired: Jul 15, 2024, 6:15 PM EDT
In force: 53 min
Issued by: NWS Wilmington, NC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Horry County, SC

The radar

The Wilmington radar (KLTX), 51 km from the middle of the area, began a volume at 21:24 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

Charleston AFB, SC (KCHS), launched 12:00Z, 9.4 hours before the alert went out and 147 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: 1661 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 1241 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 15 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 15, 3:32 PM EDT, 1 hour 50 minutes earlier.

Area forecast discussion, Jul 15, 3:32 PM EDT, 1 hour 50 minutes before

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Hazardous weather outlook, Jul 15, 3:41 PM EDT, 1 hour 41 minutes before

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In the hours before

Special weather statement, Jul 15, 4:45 PM EDT, 37 minutes before

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Special weather statement, Jul 15, 4:57 PM EDT, 25 minutes before

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Special weather statement, Jul 15, 4:59 PM EDT, 23 minutes before

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Special weather statement, Jul 15, 5:08 PM EDT, 14 minutes before

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Special weather statement, Jul 15, 5:10 PM EDT, 12 minutes before

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Special weather statement, Jul 15, 5:15 PM EDT, 7 minutes before

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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 14, 8:26 PM EDT	Special Weather Statement	ILM	Columbus	34 min
Jul 15, 4:15 PM EDT	Special Weather Statement	ILM	Columbus	30 min
Jul 15, 4:35 PM EDT	Special Weather Statement	ILM	Bladen	25 min
Jul 15, 4:57 PM EDT	Special Weather Statement	ILM	Bladen	33 min
Jul 15, 4:59 PM EDT	Special Weather Statement	ILM	Bladen	31 min
Jul 15, 5:10 PM EDT	Severe Thunderstorm Warning	ILM	Bladen, Robeson	50 min
Jul 15, 5:43 PM EDT	Special Weather Statement	ILM	Bladen	32 min
Jul 15, 6:47 PM EDT	Special Weather Statement	ILM	Pender	43 min
Jul 15, 7:43 PM EDT	Heat Advisory	ILM	Bladen, Brunswick, Columbus, New Hanover, Pender, Robeson	8 hr
Jul 15, 2:40 PM EDT	Special Weather Statement	ILM	Marlboro	35 min
Jul 15, 3:08 PM EDT	Special Weather Statement	ILM	Horry	37 min
Jul 15, 3:16 PM EDT	Special Weather Statement	ILM	Marlboro	29 min
Jul 15, 4:26 PM EDT	Special Weather Statement	ILM	Dillon	34 min
Jul 15, 4:27 PM EDT	Special Weather Statement	ILM	Williamsburg	48 min
Jul 15, 4:42 PM EDT	Severe Thunderstorm Warning	ILM	Georgetown, Williamsburg	48 min
Jul 15, 4:45 PM EDT	Special Weather Statement	ILM	Horry	30 min
Jul 15, 5:08 PM EDT	Special Weather Statement	ILM	Williamsburg	37 min
Jul 15, 5:10 PM EDT	Special Weather Statement	ILM	Horry	35 min
Jul 15, 5:15 PM EDT	Special Weather Statement	ILM	Williamsburg	30 min
Jul 15, 5:17 PM EDT	Areal Flood Advisory	ILM	Horry	3 hr
Jul 15, 5:40 PM EDT	Special Weather Statement	ILM	Horry	35 min
Jul 15, 5:49 PM EDT	Special Weather Statement	ILM	Horry	26 min
Jul 15, 5:57 PM EDT	Severe Thunderstorm Warning	ILM	Horry, Marion	22 min
Jul 15, 6:24 PM EDT	Special Weather Statement	ILM	Horry	36 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2024 Every severe thunderstorm warning in 2024

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.