Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Newport/Morehead City, NC

August 10, 2012Onslow County, North Carolina

NWS Newport/Morehead City, NC issued this special weather statement at Aug 10, 2012, 11:45 PM EDT for Onslow County, North Carolina. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 10, 2012, 11:45 PM EDT (03:45 UTC)
Expired: Aug 11, 2012, 12:15 AM EDT
In force: 30 min
Issued by: NWS Newport/Morehead City, NC

County Onslow County, NC

The radar

The Morehead City radar (KMHX), 44 km from the middle of the area, began a volume at 03:47 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 3.8 hours before the alert went out and 285 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: 781 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 955 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 27 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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
Aug 10, 8:33 PM EDT	Special Weather Statement	MHX	Lenoir	57 min
Aug 10, 11:16 PM EDT	Special Weather Statement	MHX	Onslow	59 min
Aug 11, 12:16 AM EDT	Special Weather Statement	MHX	Craven	29 min
Aug 11, 12:58 AM EDT	Special Weather Statement	MHX	Pamlico	32 min
Aug 11, 4:59 AM EDT	Special Weather Statement	MHX	Carteret	31 min
Aug 11, 5:20 AM EDT	Special Weather Statement	MHX	Carteret	25 min
Aug 11, 5:40 AM EDT	Special Weather Statement	MHX	Pamlico	35 min
Aug 11, 8:17 AM EDT	Special Weather Statement	MHX	Dare	58 min
Aug 11, 9:54 AM EDT	Special Marine Warning	MHX		21 min
Aug 11, 10:21 AM EDT	Special Weather Statement	MHX	Carteret	54 min
Aug 11, 11:06 AM EDT	Special Weather Statement	MHX	Craven, Onslow	54 min
Aug 11, 2:48 PM EDT	Special Weather Statement	MHX	Martin, Pitt	57 min
Aug 11, 3:14 PM EDT	Special Weather Statement	MHX	Beaufort	61 min
Aug 11, 4:15 PM EDT	Special Weather Statement	MHX	Beaufort	60 min
Aug 11, 5:04 PM EDT	Special Weather Statement	MHX	Greene	41 min
Aug 11, 5:44 PM EDT	Special Weather Statement	MHX	Martin	61 min
Aug 11, 7:04 PM EDT	Special Weather Statement	MHX	Martin, Pitt	56 min

Nearby

Special Weather Statements in North Carolina, 2012 Every special weather statement 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.