Alert archive / North Carolina / Mesoscale Discussions in 2004
Mesoscale Discussion 1331
The Storm Prediction Center issued this mesoscale discussion at Jun 18, 2004, 1:17 PM EDT for 32 counties in North Carolina; 18 counties in South Carolina. It was in force for 118 min.
The area
The outline as issued.
The facts
- Issued
- Jun 18, 2004, 1:17 PM EDT (17:17 UTC)
- Expired
- Jun 18, 2004, 3:15 PM EDT
- In force
- 118 min
- Issued by
- the Storm Prediction Center
All 50 counties
Beaufort County, NC, Bertie County, NC, Bladen County, NC, Brunswick County, NC, Camden County, NC, Carteret County, NC, Chowan County, NC, Columbus County, NC, Craven County, NC, Cumberland County, NC, Dare County, NC, Duplin County, NC, Edgecombe County, NC, Greene County, NC, Hyde County, NC, Johnston 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, Robeson County, NC, Sampson County, NC, Tyrrell County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC, Bamberg County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Clarendon County, SC, Colleton County, SC, Dillon County, SC, Dorchester County, SC, Florence County, SC, Georgetown County, SC, Hampton County, SC, Horry County, SC, Jasper County, SC, Marion County, SC, Orangeburg County, SC, Sumter County, SC, Williamsburg County, SC
The radar
The Wilmington radar (KLTX), 72 km from the middle of the area, began a volume at 17:19 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 12:00Z, 5.3 hours before the alert went out and 105 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
- 1434 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 649 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 131 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 |
|---|---|---|---|---|
| Jun 18, 12:21 PM EDT | Mesoscale Discussion | SPC | Abbeville, Aiken, Anderson, Chester, Edgefield, Fairfield and 11 more | 114 min |
| Jun 18, 12:22 PM EDT | Mesoscale Discussion | SPC | Abbeville, Aiken, Anderson, Chester, Edgefield, Fairfield and 11 more | 113 min |
Nearby
Mesoscale Discussions in North Carolina, 2004Mesoscale Discussions in South Carolina, 2004Every mesoscale discussion in 2004
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.