Alert archive / North Carolina / Mesoscale Discussions in 2003
Mesoscale Discussion 2595
The Storm Prediction Center issued this mesoscale discussion at Dec 10, 2003, 8:58 PM EST for 28 counties in North Carolina. It was in force for 92 min.
The area
The outline as issued.
The facts
- Issued
- Dec 10, 2003, 8:58 PM EST (01:58 UTC)
- Expired
- Dec 10, 2003, 10:30 PM EST
- In force
- 92 min
- Issued by
- the Storm Prediction Center
All 28 counties
Beaufort County, NC, Bertie County, NC, Camden County, NC, Carteret County, NC, Chowan County, NC, Craven County, NC, Dare County, NC, Duplin County, NC, Edgecombe County, NC, Greene County, NC, Halifax County, NC, Hertford County, NC, Hyde County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, New Hanover County, NC, Onslow County, NC, Pamlico County, NC, Pasquotank County, NC, Pender County, NC, Perquimans County, NC, Pitt County, NC, Sampson County, NC, Tyrrell County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC
The radar
The Morehead City radar (KMHX), 64 km from the middle of the area, began a volume at 02:02 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Newport, NC (KMHX), launched 00:00Z, 2.0 hours before the alert went out and 63 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.
- Mixed-layer CAPE
- 101 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 511 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 201 m²/s²
- 0-3 km storm-relative helicity
- 260 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 9:15 PM EST | Severe Thunderstorm Watch | SPC | Beaufort, Camden, Carteret, Craven, Currituck, Dare and 10 more | 5 hr |
| Dec 10, 11:52 PM EST | Mesoscale Discussion | SPC | Beaufort, Camden, Carteret, Craven, Currituck, Dare and 8 more | 83 min |
Nearby
Mesoscale Discussions in North Carolina, 2003Every mesoscale discussion in 2003
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.