Alert archive / North Carolina / Dense Smoke Advisories in 2012

Dense Smoke Advisory 1, NWS Wilmington, NC

March 17, 2012Brunswick County, North Carolina

NWS Wilmington, NC issued this dense smoke advisory at Mar 17, 2012, 4:41 PM EDT for Brunswick County, North Carolina. It took effect at Mar 17, 2012, 8:00 PM EDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued: Mar 17, 2012, 4:41 PM EDT (20:41 UTC)
In effect from: Mar 17, 2012, 8:00 PM EDT
Expired: Mar 18, 2012, 10:00 AM EDT
In force: 14 hr
Issued by: NWS Wilmington, NC

County Brunswick County, NC

The radar

The Wilmington radar (KLTX), 19 km from the middle of the area, began a volume at 20:44 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

Charleston AFB, SC (KCHS), launched 12:00Z, 8.7 hours before the alert went out and 208 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: 76 J/kg
Mixed-layer CIN: -170 J/kg
Mixed-layer LCL: 1383 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 70 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 dense smoke advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, NC wrote its last area forecast discussion before this dense smoke advisory went out at Mar 17, 2:52 PM EDT, 1 hour 49 minutes earlier.

Area forecast discussion, Mar 17, 2:52 PM EDT, 1 hour 49 minutes before

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Hazardous weather outlook, Mar 17, 4:12 AM EDT, 12 hours 29 minutes before

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      <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 Wilmington, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 17, 7:58 PM EDT	Special Weather Statement	ILM	Florence	62 min
Mar 17, 7:57 PM EDT	Special Weather Statement	ILM	Bladen	63 min

Nearby

Dense Smoke Advisories in North Carolina, 2012 Every dense smoke 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.