Alert archive / North Carolina / Mesoscale Discussions in 2006
Mesoscale Discussion 535
The Storm Prediction Center issued this mesoscale discussion at Apr 17, 2006, 1:37 PM EDT for 52 counties in North Carolina; 19 counties in South Carolina. It was in force for 113 min.
The area
The outline as issued.
The facts
- Issued
- Apr 17, 2006, 1:37 PM EDT (17:37 UTC)
- Expired
- Apr 17, 2006, 3:30 PM EDT
- In force
- 113 min
- Issued by
- the Storm Prediction Center
All 71 counties
Alamance County, NC, Alexander County, NC, Anson County, NC, Bladen County, NC, Brunswick County, NC, Burke County, NC, Cabarrus County, NC, Catawba County, NC, Chatham County, NC, Cleveland County, NC, Columbus County, NC, Craven County, NC, Cumberland County, NC, Davidson County, NC, Davie County, NC, Duplin County, NC, Durham County, NC, Forsyth County, NC, Gaston County, NC, Greene County, NC, Guilford County, NC, Harnett County, NC, Henderson County, NC, Hoke County, NC, Iredell County, NC, Johnston County, NC, Jones County, NC, Lee County, NC, Lenoir County, NC, Lincoln County, NC, Mecklenburg County, NC, Montgomery County, NC, Moore County, NC, New Hanover County, NC, Onslow County, NC, Orange County, NC, Pamlico County, NC, Pender County, NC, Pitt County, NC, Polk County, NC, Randolph County, NC, Richmond County, NC, Robeson County, NC, Rowan County, NC, Rutherford County, NC, Sampson County, NC, Scotland County, NC, Stanly County, NC, Union County, NC, Wake County, NC, Wayne County, NC, Wilson County, NC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Darlington County, SC, Dillon County, SC, Fairfield County, SC, Florence County, SC, Horry County, SC, Kershaw County, SC, Lancaster County, SC, Lee County, SC, Marion County, SC, Marlboro County, SC, Newberry County, SC, Richland County, SC, Spartanburg County, SC, Sumter County, SC, Union County, SC, York County, SC
The radar
The Raleigh/Durham radar (KRAX), 111 km from the middle of the area, began a volume at 17:40 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 5.6 hours before the alert went out and 88 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
- 1287 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 79 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 |
|---|---|---|---|---|
| Apr 17, 11:31 AM EDT | Severe Thunderstorm Watch | SPC | Alexander, Alleghany, Ashe, Avery, Burke, Cabarrus and 24 more | 5 hr |
| Apr 17, 2:10 PM EDT | Severe Thunderstorm Watch | SPC | Alamance, Anson, Bladen, Brunswick, Carteret, Chatham and 32 more | 5 hr |
| Apr 17, 4:56 PM EDT | Mesoscale Discussion | SPC | Bladen, Brunswick, Columbus, New Hanover, Onslow, Pender | 64 min |
| Apr 17, 6:26 PM EDT | Mesoscale Discussion | SPC | Darlington, Florence, Georgetown, Horry, Lee, Marion and 1 more | 94 min |
Nearby
Mesoscale Discussions in North Carolina, 2006Mesoscale Discussions in South Carolina, 2006Every mesoscale discussion in 2006
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.