Alert archive / North Carolina / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 65, NWS Wilmington, NC

December 24, 2020New Hanover County, Pender County, North Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Dec 24, 2020, 10:28 PM EST for New Hanover County, Pender County, North Carolina. It was in force for 17 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: Dec 24, 2020, 10:28 PM EST (03:28 UTC)
Expired: Dec 24, 2020, 10:45 PM EST
In force: 17 min
Issued by: NWS Wilmington, NC
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties New Hanover County, NC, Pender County, NC

The radar

The Wilmington radar (KLTX), 65 km from the middle of the area, began a volume at 03:30 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Dec 24, 2:19 PM EST	Tornado Watch	SPC	9 hr

The nearest sounding before it

Newport, NC (KMHX), launched 00:00Z, 3.5 hours before the alert went out and 103 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: 507 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 647 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 498 m²/s²
0-3 km storm-relative helicity: 533 m²/s²
Significant tornado parameter: 1.8
Supercell composite: 11.5

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 Dec 24, 7:23 PM EST, 3 hours 5 minutes earlier.

Area forecast discussion, Dec 24, 7:23 PM EST, 3 hours 5 minutes before

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Hazardous weather outlook, Dec 24, 10:18 PM EST, 10 minutes before

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In the hours before

Special weather statement, Dec 24, 8:06 PM EST, 2 hours 22 minutes before

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Special weather statement, Dec 24, 8:43 PM EST, 1 hour 45 minutes before

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Special weather statement, Dec 24, 8:45 PM EST, 1 hour 43 minutes before

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Special weather statement, Dec 24, 9:39 PM EST, 49 minutes before

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Local storm report, Dec 24, 9:45 PM EST, 43 minutes before

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Local storm report, Dec 24, 9:47 PM EST, 41 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
Dec 24, 7:56 PM EST	Special Weather Statement	ILM	Robeson	49 min
Dec 24, 8:23 PM EST	Areal Flood Advisory	ILM	Bladen, Columbus, Robeson	3 hr
Dec 24, 8:43 PM EST	Special Weather Statement	ILM	Bladen, Columbus	62 min
Dec 24, 9:39 PM EST	Special Weather Statement	ILM	Brunswick, Columbus, New Hanover, Pender	66 min
Dec 24, 9:47 PM EST	River Flood Warning	ILM	Bladen, Cumberland	5 days
Dec 25, 9:43 AM EST	River Flood Advisory	ILM	Pender	59 hr
Dec 25, 9:47 AM EST	River Flood Warning	ILM	Bladen	4 days
Dec 25, 12:40 PM EST	Small Craft Advisory	ILM		17 hr
Dec 24, 7:08 PM EST	Special Weather Statement	ILM	Darlington, Florence, Williamsburg	67 min
Dec 24, 7:22 PM EST	Special Weather Statement	ILM	Williamsburg	53 min
Dec 24, 8:06 PM EST	Special Weather Statement	ILM	Georgetown, Williamsburg	39 min
Dec 24, 8:45 PM EST	Special Weather Statement	ILM	Horry	60 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2020 Every severe thunderstorm warning in 2020

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.