Alert archive / North Carolina / Mesoscale Discussions in 2003
Mesoscale Discussion 1785
The Storm Prediction Center issued this mesoscale discussion at Jul 11, 2003, 9:04 PM EDT for 31 counties in North Carolina; Horry County, South Carolina; City of Chesapeake, City of Virginia Beach, Virginia. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Jul 11, 2003, 9:04 PM EDT (01:04 UTC)
- Expired
- Jul 11, 2003, 10:30 PM EDT
- In force
- 86 min
- Issued by
- the Storm Prediction Center
All 34 counties
Beaufort County, NC, Bertie County, NC, Bladen County, NC, Camden County, NC, Carteret County, NC, Chowan County, NC, Columbus County, NC, Craven County, NC, Cumberland County, NC, Currituck County, NC, Dare County, NC, Duplin County, NC, Edgecombe County, NC, Gates County, NC, Greene County, NC, Hertford County, NC, Hyde County, NC, Jones County, NC, Lenoir County, NC, Martin 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, Horry County, SC, City of Chesapeake, VA, City of Virginia Beach, VA
The radar
The Morehead City radar (KMHX), 98 km from the middle of the area, began a volume at 01:08 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, 1.1 hours before the alert went out and 98 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
- 2169 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 896 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 91 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 |
|---|---|---|---|---|
| Jul 12, 3:30 PM EDT | Severe Thunderstorm Watch | SPC | Cherokee, Clay, Graham | 6 hr |
| Jul 12, 7:12 PM EDT | Mesoscale Discussion | SPC | Buncombe, Cherokee, Clay, Graham, Haywood, Henderson and 7 more | 63 min |
| Jul 12, 10:53 AM EDT | Mesoscale Discussion | SPC | Buchanan, Dickenson, Lee, Wise, City of Norton | 2 hr |
| Jul 12, 5:05 PM EDT | Severe Thunderstorm Watch | SPC | Albemarle, Alleghany, Amherst, Appomattox, Augusta, Bath and 51 more | 6 hr |
| Jul 12, 6:14 PM EDT | Mesoscale Discussion | SPC | Bland, Buchanan, Dickenson, Russell, Tazewell, Wise and 1 more | 2 hr |
Nearby
Mesoscale Discussions in North Carolina, 2003Mesoscale Discussions in Virginia, 2003Mesoscale Discussions in South 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.