Alert archive / North Carolina / High Surf Advisories in 2012

High Surf Advisory 6, NWS Wakefield, VA

November 22, 2012Currituck County, North Carolina

NWS Wakefield, VA issued this high surf advisory at Nov 22, 2012, 7:05 PM EST for Currituck County, North Carolina. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Nov 22, 2012, 7:05 PM EST (00:05 UTC)
Expired: Nov 23, 2012, 4:00 AM EST
In force: 9 hr
Issued by: NWS Wakefield, VA

County Currituck County, NC

The radar

The Norfolk radar (KAKQ), 118 km from the middle of the area, began a volume at 00:09 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.1 hours before the alert went out and 180 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 836 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 32 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 high surf advisory 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 high surf advisory went out at Nov 22, 4:07 PM EST, 2 hours 58 minutes earlier.

Area forecast discussion, Nov 22, 4:07 PM EST, 2 hours 58 minutes before

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Hazardous weather outlook, Nov 22, 4:08 PM EST, 2 hours 57 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
Nov 23, 2:27 AM EST	Dense Fog Advisory	AKQ	Accomack, Northampton	9 hr
Nov 23, 4:08 AM EST	Gale Watch	AKQ		12 hr
Nov 23, 4:08 AM EST	Small Craft Advisory	AKQ		17 hr
Nov 23, 4:22 PM EST	Gale Warning	AKQ		35 hr

Nearby

High Surf Advisories in North Carolina, 2012 Every high surf advisory in 2012

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.