Alert archive / North Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 66, NWS Wakefield, VA

June 16, 2014Northampton County, North Carolina

NWS Wakefield, VA issued this severe thunderstorm warning at Jun 16, 2014, 6:33 PM EDT for Northampton County, North Carolina. It was in force for 42 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: Jun 16, 2014, 6:33 PM EDT (22:33 UTC)
Expired: Jun 16, 2014, 7:15 PM EDT
In force: 42 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Northampton County, NC

The radar

The Norfolk radar (KAKQ), 72 km from the middle of the area, began a volume at 22:33 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

Roanoke, VA (KRNK), launched 12:00Z, 10.6 hours before the alert went out and 206 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: 390 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 963 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -15 m²/s²
0-3 km storm-relative helicity: 3 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 Wakefield, VA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 16, 3:50 PM EDT, 2 hours 43 minutes earlier.

Area forecast discussion, Jun 16, 3:50 PM EDT, 2 hours 43 minutes before

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Hazardous weather outlook, Jun 16, 3:57 PM EDT, 2 hours 36 minutes before

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In the hours before

Special weather statement, Jun 16, 4:59 PM EDT, 1 hour 34 minutes before

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Special weather statement, Jun 16, 5:03 PM EDT, 1 hour 30 minutes before

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Special weather statement, Jun 16, 5:48 PM EDT, 45 minutes before

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Special weather statement, Jun 16, 6:07 PM EDT, 26 minutes before

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Special weather statement, Jun 16, 6:10 PM EDT, 23 minutes before

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Special weather statement, Jun 16, 6:27 PM EDT, 6 minutes before

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The office that day

Everything else NWS Wakefield, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 16, 5:03 PM EDT	Special Weather Statement	AKQ	Mecklenburg	27 min
Jun 16, 6:10 PM EDT	Special Weather Statement	AKQ	Lunenburg	65 min
Jun 16, 7:01 PM EDT	Special Weather Statement	AKQ	Mecklenburg	59 min
Jun 16, 7:42 PM EDT	Special Weather Statement	AKQ	Brunswick	48 min
Jun 16, 4:59 PM EDT	Special Weather Statement	AKQ	Northampton	31 min
Jun 16, 5:48 PM EDT	Special Weather Statement	AKQ	Northampton	27 min
Jun 16, 6:07 PM EDT	Special Weather Statement	AKQ	Northampton	38 min
Jun 16, 6:27 PM EDT	Special Weather Statement	AKQ	Northampton	33 min
Jun 16, 7:22 PM EDT	Special Weather Statement	AKQ	Northampton	38 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2014 Every severe thunderstorm warning in 2014

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.