Alert archive / North Carolina / Mesoscale Discussions in 2005
Mesoscale Discussion 2245
The Storm Prediction Center issued this mesoscale discussion at Sep 20, 2005, 8:32 PM EDT for 27 counties in North Carolina; 5 counties in Virginia. It was in force for 58 min.
The area
The outline as issued.
The facts
- Issued
- Sep 20, 2005, 8:32 PM EDT (00:32 UTC)
- Expired
- Sep 20, 2005, 9:30 PM EDT
- In force
- 58 min
- Issued by
- the Storm Prediction Center
All 32 counties
Beaufort County, NC, Bertie County, NC, Chowan County, NC, Cumberland County, NC, Durham County, NC, Edgecombe County, NC, Franklin County, NC, Gates County, NC, Granville County, NC, Greene County, NC, Halifax County, NC, Harnett County, NC, Hertford County, NC, Johnston County, NC, Lenoir County, NC, Martin County, NC, Nash County, NC, Northampton County, NC, Perquimans County, NC, Pitt County, NC, Sampson County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC, City of Emporia, VA, City of Franklin, VA, City of Suffolk, VA, Greensville County, VA, Southampton County, VA
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.5 hours before the alert went out and 184 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
- 274 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 1548 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 100 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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Mesoscale Discussions in North Carolina, 2005Mesoscale Discussions in Virginia, 2005Every mesoscale discussion in 2005
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.