Alert archive / North Carolina / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 61, NWS Wilmington, NC

August 10, 2020Robeson County, North Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Aug 10, 2020, 4:54 PM EDT for Robeson County, North Carolina. It was in force for 32 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: Aug 10, 2020, 4:54 PM EDT (20:54 UTC)
Expired: Aug 10, 2020, 5:26 PM EDT
In force: 32 min
Issued by: NWS Wilmington, NC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Robeson County, NC

The radar

The Wilmington radar (KLTX), 95 km from the middle of the area, began a volume at 20:57 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 12:00Z, 8.9 hours before the alert went out and 176 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: 104 J/kg
Mixed-layer CIN: -82 J/kg
Mixed-layer LCL: 1402 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -19 m²/s²
0-3 km storm-relative helicity: 30 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 10, 4:47 PM EDT	Special Weather Statement	ILM	Robeson	43 min
Aug 10, 5:30 PM EDT	Special Weather Statement	ILM	Robeson	60 min
Aug 10, 5:32 PM EDT	Special Weather Statement	ILM	Bladen	28 min
Aug 10, 6:34 PM EDT	Special Weather Statement	ILM	Columbus	56 min
Aug 10, 7:18 PM EDT	Areal Flood Advisory	ILM	Robeson	57 min
Aug 9, 8:17 PM EDT	Special Weather Statement	ILM	Marion	28 min
Aug 10, 3:23 PM EDT	Special Weather Statement	ILM	Marlboro	67 min
Aug 10, 7:28 PM EDT	Special Weather Statement	ILM	Dillon	32 min
Aug 10, 7:45 PM EDT	Special Weather Statement	ILM	Florence	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.