Alert archive / North Carolina / Mesoscale Discussions in 2004
Mesoscale Discussion 561
The Storm Prediction Center issued this mesoscale discussion at May 2, 2004, 7:23 PM EDT for 30 counties in North Carolina; 7 counties in South Carolina. It was in force for 67 min.
The area
The outline as issued.
The facts
- Issued
- May 2, 2004, 7:23 PM EDT (23:23 UTC)
- Expired
- May 2, 2004, 8:30 PM EDT
- In force
- 67 min
- Issued by
- the Storm Prediction Center
All 37 counties
Beaufort County, NC, Bertie County, NC, Bladen County, NC, Brunswick County, NC, Columbus County, NC, Craven County, NC, Cumberland County, NC, Duplin County, NC, Edgecombe County, NC, Franklin County, NC, Greene County, NC, Harnett County, NC, Hyde County, NC, Johnston County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, Nash County, NC, New Hanover County, NC, Onslow County, NC, Pamlico County, NC, Pender County, NC, Pitt County, NC, Robeson County, NC, Sampson County, NC, Tyrrell County, NC, Wake County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC, Berkeley County, SC, Charleston County, SC, Dillon County, SC, Georgetown County, SC, Horry County, SC, Marion County, SC, Williamsburg County, SC
The nearest sounding before it
Newport, NC (KMHX), launched 12:00Z, 11.4 hours before the alert went out and 175 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
- 380 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 567 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 87 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 |
|---|---|---|---|---|
| May 2, 12:33 PM EDT | Mesoscale Discussion | SPC | Anson, Cumberland, Hoke, Montgomery, Moore, Richmond and 3 more | 117 min |
| May 2, 3:26 PM EDT | Mesoscale Discussion | SPC | Anson, Chatham, Cumberland, Harnett, Hoke, Johnston and 11 more | 2 hr |
| May 2, 4:50 PM EDT | Severe Thunderstorm Watch | SPC | Alamance, Bladen, Chatham, Columbus, Cumberland, Durham and 16 more | 5 hr |
| May 2, 5:45 PM EDT | Severe Thunderstorm Watch | SPC | Gates | 5 hr |
| May 2, 1:10 PM EDT | Severe Thunderstorm Watch | SPC | Abbeville, Aiken, Allendale, Bamberg, Barnwell, Calhoun and 14 more | 6 hr |
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.