Alert archive / South Carolina / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 51, NWS Wilmington, NC

May 27, 2022Georgetown County, Williamsburg County, South Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at May 27, 2022, 8:48 AM EDT for Georgetown County, Williamsburg County, South Carolina. It was in force for 27 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: May 27, 2022, 8:48 AM EDT (12:48 UTC)
Expired: May 27, 2022, 9:15 AM EDT
In force: 27 min
Issued by: NWS Wilmington, NC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Georgetown County, SC, Williamsburg County, SC

The radar

The Wilmington radar (KLTX), 113 km from the middle of the area, began a volume at 12:48 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

Newport, NC (KMHX), launched 12:00Z, 0.8 hours before the alert went out and 280 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: 834 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 801 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 155 m²/s²
0-3 km storm-relative helicity: 161 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 5.0

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 May 27, 7:01 AM EDT, 1 hour 47 minutes earlier.

Area forecast discussion, May 27, 7:01 AM EDT, 1 hour 47 minutes before

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Hazardous weather outlook, May 27, 5:33 AM EDT, 3 hours 15 minutes before

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In the hours before

Special weather statement, May 27, 6:52 AM EDT, 1 hour 56 minutes before

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Special weather statement, May 27, 7:43 AM EDT, 1 hour 5 minutes before

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Special weather statement, May 27, 8:07 AM EDT, 41 minutes before

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Special weather statement, May 27, 8:29 AM EDT, 19 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
May 27, 9:05 AM EDT	Special Marine Warning	ILM		55 min
May 27, 9:58 AM EDT	Special Marine Warning	ILM		62 min
May 27, 10:39 AM EDT	Special Weather Statement	ILM	New Hanover, Pender	51 min
May 27, 10:43 AM EDT	Special Weather Statement	ILM	Columbus	47 min
May 27, 10:53 AM EDT	Special Marine Warning	ILM		67 min
May 27, 5:04 PM EDT	Special Weather Statement	ILM	Columbus	41 min
May 27, 6:52 AM EDT	Special Weather Statement	ILM	Williamsburg	53 min
May 27, 7:43 AM EDT	Special Weather Statement	ILM	Georgetown, Williamsburg	47 min
May 27, 8:07 AM EDT	Special Weather Statement	ILM	Dillon, Florence, Marion, Marlboro	38 min
May 27, 8:29 AM EDT	Special Weather Statement	ILM	Georgetown, Williamsburg	46 min
May 27, 9:16 AM EDT	Special Weather Statement	ILM	Georgetown, Horry, Marion	44 min
May 27, 1:30 PM EDT	Special Weather Statement	ILM	Florence	60 min
May 27, 1:43 PM EDT	Severe Thunderstorm Warning	ILM	Florence, Williamsburg	47 min
May 27, 2:42 PM EDT	Special Weather Statement	ILM	Marion, Williamsburg	63 min
May 27, 3:21 PM EDT	Special Weather Statement	ILM	Marion, Williamsburg	54 min
May 27, 4:14 PM EDT	Special Weather Statement	ILM	Horry	46 min
May 27, 4:24 PM EDT	Tornado Warning	ILM	Horry, Marion	36 min
May 27, 5:06 PM EDT	Special Weather Statement	ILM	Williamsburg	54 min
May 27, 5:45 PM EDT	Severe Thunderstorm Warning	ILM	Florence, Marion, Williamsburg	18 min
May 27, 6:24 PM EDT	Special Weather Statement	ILM	Williamsburg	36 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2022 Every severe thunderstorm warning in 2022

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.