Alert archive / North Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 28, NWS Wakefield, VA

April 28, 2014Bertie County, Hertford County, Northampton County, North Carolina

NWS Wakefield, VA issued this severe thunderstorm warning at Apr 28, 2014, 9:20 PM EDT for Bertie County, Hertford County, Northampton County, North Carolina. It was in force for 40 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: Apr 28, 2014, 9:20 PM EDT (01:20 UTC)
Expired: Apr 28, 2014, 10:00 PM EDT
In force: 40 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Bertie County, NC, Hertford County, NC, Northampton County, NC

The radar

The Norfolk radar (KAKQ), 79 km from the middle of the area, began a volume at 01:20 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 00:00Z, 1.3 hours before the alert went out and 168 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: 889 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 744 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 175 m²/s²
0-3 km storm-relative helicity: 323 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.9

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 Apr 28, 9:16 PM EDT, 4 minutes earlier.

Area forecast discussion, Apr 28, 9:16 PM EDT, 4 minutes before

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Hazardous weather outlook, Apr 28, 4:23 PM EDT, 4 hours 57 minutes before

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In the hours before

Special weather statement, Apr 28, 7:54 PM EDT, 1 hour 26 minutes before

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Special weather statement, Apr 28, 8:12 PM EDT, 1 hour 8 minutes before

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Special weather statement, Apr 28, 8:34 PM EDT, 46 minutes before

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Special weather statement, Apr 28, 8:58 PM EDT, 22 minutes before

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Local storm report, Apr 28, 9:06 PM EDT, 14 minutes before

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Special weather statement, Apr 28, 9:15 PM EDT, 5 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
Apr 28, 8:12 PM EDT	Special Weather Statement	AKQ	City of Emporia	33 min
Apr 28, 8:51 PM EDT	Areal Flood Advisory	AKQ	Brunswick, Chesterfield, Greensville, Hanover, Henrico, City of Richmond	24 days
Apr 28, 8:58 PM EDT	Special Weather Statement	AKQ	Southampton, City of Franklin	62 min
Apr 29, 12:12 AM EDT	Special Marine Warning	AKQ		48 min
Apr 29, 5:00 AM EDT	Coastal Flood Advisory	AKQ	Lancaster, Mathews, Middlesex, Northumberland, Richmond, Westmoreland	22 hr
Apr 29, 1:29 PM EDT	Special Marine Warning	AKQ		2 hr
Apr 29, 3:38 PM EDT	Special Weather Statement	AKQ	Amelia, Nottoway	37 min
Apr 29, 3:55 PM EDT	Special Weather Statement	AKQ	Sussex	50 min
Apr 29, 4:08 PM EDT	Special Weather Statement	AKQ	Chesterfield, Hanover, City of Richmond	52 min
Apr 29, 4:56 PM EDT	Special Weather Statement	AKQ	Charles City, Henrico, Prince George, City of Colonial Heights, City of Hopewell, City of Petersburg	49 min
Apr 29, 5:26 PM EDT	Special Weather Statement	AKQ	Essex, King and Queen, King William, Richmond, Westmoreland	64 min
Apr 29, 5:43 PM EDT	Special Weather Statement	AKQ	Charles City, King and Queen, New Kent	47 min
Apr 29, 6:23 PM EDT	Special Marine Warning	AKQ		52 min
Apr 29, 6:53 PM EDT	Special Weather Statement	AKQ	Essex, King and Queen, King William, Lancaster, Middlesex, Northumberland and 1 more	52 min
Apr 28, 8:34 PM EDT	Special Weather Statement	AKQ	Northampton	26 min
Apr 28, 9:15 PM EDT	Special Weather Statement	AKQ	Hertford	45 min
Apr 28, 9:40 PM EDT	Areal Flood Advisory	AKQ	Hertford, Northampton	110 min
Apr 28, 10:08 PM EDT	Special Weather Statement	AKQ	Hertford	52 min
Apr 28, 10:42 PM EDT	Areal Flood Advisory	AKQ	Bertie, Chowan, Gates, Hertford, Northampton, Perquimans	3 hr
Apr 28, 11:16 PM EDT	Special Weather Statement	AKQ	Camden, Chowan, Currituck, Pasquotank, Perquimans	59 min
Apr 29, 12:17 AM EDT	Special Weather Statement	AKQ	Currituck	43 min
Apr 29, 6:32 PM EDT	Tornado Warning	AKQ	Bertie	43 min
Apr 29, 7:09 PM EDT	Severe Thunderstorm Warning	AKQ	Bertie, Hertford	51 min
Apr 29, 7:54 PM EDT	Special Weather Statement	AKQ	Gates	51 min
Apr 29, 4:27 AM EDT	Coastal Flood Advisory	AKQ	Dorchester, Somerset, Wicomico, Worcester	22 hr

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.