Alert archive / North Carolina / Mesoscale Discussions in 2006

Mesoscale Discussion 62

January 14, 20067 counties in North Carolina; 7 counties in Virginia

The Storm Prediction Center issued this mesoscale discussion at Jan 14, 2006, 3:31 AM EST for 7 counties in North Carolina; 7 counties in Virginia. It was in force for 89 min.

The area

The outline as issued.

The facts

Issued: Jan 14, 2006, 3:31 AM EST (08:31 UTC)
Expired: Jan 14, 2006, 5:00 AM EST
In force: 89 min
Issued by: the Storm Prediction Center

Counties Camden County, NC, Carteret County, NC, Currituck County, NC, Dare County, NC, Hyde County, NC, Pasquotank County, NC, Tyrrell County, NC, City of Chesapeake, VA, City of Hampton, VA, City of Norfolk, VA, City of Poquoson, VA, City of Virginia Beach, VA, Northampton County, VA, York County, VA

The radar

The Morehead City radar (KMHX), 141 km from the middle of the area, began a volume at 08:34 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, 8.5 hours before the alert went out and 141 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: 367 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 748 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 164 m²/s²
0-3 km storm-relative helicity: 219 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.6

Open this sounding in Storm Lab

The text

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

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 13, 9:00 PM EST	Mesoscale Discussion	SPC	Alamance, Anson, Beaufort, Bertie, Bladen, Brunswick and 59 more	2 hr
Jan 13, 11:45 PM EST	Tornado Watch	SPC	Beaufort, Bertie, Bladen, Brunswick, Camden, Carteret and 30 more	6 hr
Jan 14, 2:19 AM EST	Mesoscale Discussion	SPC	Essex, Richmond, Westmoreland	86 min

Nearby

Mesoscale Discussions in North Carolina, 2006 Mesoscale Discussions in Virginia, 2006 Every mesoscale discussion in 2006

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.