Alert archive / North Carolina / Mesoscale Discussions in 2018
Mesoscale Discussion 376
The Storm Prediction Center issued this mesoscale discussion at May 10, 2018, 3:35 PM EDT for 29 counties in North Carolina. It was in force for 115 min.
The area
The outline as issued.
The facts
- Issued
- May 10, 2018, 3:35 PM EDT (19:35 UTC)
- Expired
- May 10, 2018, 5:30 PM EDT
- In force
- 115 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 29 counties
Alamance County, NC, Cabarrus County, NC, Caswell County, NC, Catawba County, NC, Chatham County, NC, Davidson County, NC, Davie County, NC, Durham County, NC, Forsyth County, NC, Franklin County, NC, Gaston County, NC, Granville County, NC, Guilford County, NC, Harnett County, NC, Iredell County, NC, Lee County, NC, Lincoln County, NC, Mecklenburg County, NC, Montgomery County, NC, Moore County, NC, Nash County, NC, Orange County, NC, Person County, NC, Randolph County, NC, Rowan County, NC, Stanly County, NC, Vance County, NC, Wake County, NC, Warren County, NC
The radar
The Raleigh/Durham radar (KRAX), 135 km from the middle of the area, began a volume at 19:38 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, 7.6 hours before the alert went out and 42 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
- 1686 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 12:36 PM EDT | Mesoscale Discussion | SPC | Caswell, Granville, Guilford, Person, Rockingham, Vance and 1 more | 114 min |
| May 10, 1:14 PM EDT | Severe Thunderstorm Watch | SPC | Bertie, Camden, Caswell, Chowan, Currituck, Gates and 5 more | 8 hr |
| May 10, 4:23 PM EDT | Severe Thunderstorm Watch | SPC | Alamance, Alexander, Anson, Cabarrus, Catawba, Chatham and 32 more | 6 hr |
| May 10, 7:20 PM EDT | Mesoscale Discussion | SPC | Alamance, Anson, Cabarrus, Chatham, Cleveland, Davidson and 25 more | 55 min |
Nearby
Mesoscale Discussions in North Carolina, 2018Every mesoscale discussion in 2018
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.