Alert archive / North Carolina / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 68
The Storm Prediction Center issued this severe thunderstorm watch at Apr 11, 2004, 2:15 PM EDT for 20 counties in North Carolina; 13 counties in South Carolina. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 11, 2004, 2:15 PM EDT (18:15 UTC)
- Expired
- Apr 11, 2004, 8:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 33 counties
Beaufort County, NC, Bladen County, NC, Columbus County, NC, Craven County, NC, Cumberland County, NC, Duplin County, NC, Greene County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Jones County, NC, Lenoir County, NC, Onslow County, NC, Pender County, NC, Pitt County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Wayne County, NC, Wilson County, NC, Calhoun County, SC, Chesterfield County, SC, Darlington County, SC, Dillon County, SC, Florence County, SC, Horry County, SC, Kershaw County, SC, Lee County, SC, Lexington County, SC, Marion County, SC, Marlboro County, SC, Richland County, SC, Sumter County, SC
The radar
The Wilmington radar (KLTX), 98 km from the middle of the area, began a volume at 18:15 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.
Warnings issued inside it
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 4:31 PM EDT | Severe Thunderstorm Warning | RAH | Hoke | 29 min |
| Apr 11, 5:18 PM EDT | Severe Thunderstorm Warning | ILM | Bladen | 57 min |
| Apr 11, 5:39 PM EDT | Severe Thunderstorm Warning | MHX | Craven | 36 min |
| Apr 11, 6:01 PM EDT | Severe Thunderstorm Warning | ILM | Robeson | 59 min |
| Apr 11, 6:08 PM EDT | Severe Thunderstorm Warning | MHX | Jones | 37 min |
| Apr 11, 6:18 PM EDT | Severe Thunderstorm Warning | ILM | Marion | 57 min |
| Apr 11, 6:46 PM EDT | Severe Thunderstorm Warning | ILM | Dillon | 44 min |
| Apr 11, 7:11 PM EDT | Severe Thunderstorm Warning | ILM | Bladen | 64 min |
| Apr 11, 7:12 PM EDT | Severe Thunderstorm Warning | ILM | Columbus | 63 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.3 hours before the alert went out and 182 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 640 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 12:05 PM EDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Bladen, Chowan, Columbus, Craven and 26 more | 2 hr |
| Apr 11, 4:35 PM EDT | Mesoscale Discussion | SPC | Beaufort, Bladen, Columbus, Craven, Cumberland, Duplin and 14 more | 115 min |
Nearby
Severe Thunderstorm Watches in North Carolina, 2004Severe Thunderstorm Watches in South Carolina, 2004Every severe thunderstorm watch 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.