Alert archive / North Carolina / High Surf Advisories in 2020

High Surf Advisory 6, NWS Newport/Morehead City, NC

April 12, 20204 counties in North Carolina

NWS Newport/Morehead City, NC issued this high surf advisory at Apr 12, 2020, 2:52 PM EDT for 4 counties in North Carolina. It took effect at Apr 13, 2020, 2:00 AM EDT. It was in force for 26 hr.

The area

The counties it named.

The facts

Issued: Apr 12, 2020, 2:52 PM EDT (18:52 UTC)
In effect from: Apr 13, 2020, 2:00 AM EDT
Expired: Apr 14, 2020, 4:00 AM EDT
In force: 26 hr
Issued by: NWS Newport/Morehead City, NC

Counties Carteret County, NC, Dare County, NC, Hyde County, NC, Onslow County, NC

The radar

The Morehead City radar (KMHX), 61 km from the middle of the area, began a volume at 18:52 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 12:00Z, 6.9 hours before the alert went out and 317 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: 2386 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 165 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 Newport/Morehead City, NC wrote its last area forecast discussion before this high surf advisory went out at Apr 12, 2:06 PM EDT, 46 minutes earlier.

Area forecast discussion, Apr 12, 2:06 PM EDT, 46 minutes before

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Hazardous weather outlook, Apr 12, 4:13 AM EDT, 10 hours 39 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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The office that day

Everything else NWS Newport/Morehead City, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 12, 4:00 AM EDT	Gale Warning	MHX		41 hr
Apr 12, 4:08 AM EDT	High Wind Warning	MHX	Carteret, Dare, Hyde	35 hr
Apr 12, 4:08 AM EDT	Wind Advisory	MHX	Beaufort, Carteret, Craven, Dare, Duplin, Greene and 9 more	35 hr
Apr 12, 2:52 PM EDT	Coastal Flood Advisory	MHX	Dare	28 hr

Nearby

High Surf Advisories in North Carolina, 2020 Every high surf advisory 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.