Alert archive / North Carolina / Mesoscale Discussions in 2013
Mesoscale Discussion 595
The Storm Prediction Center issued this mesoscale discussion at May 6, 2013, 2:13 PM EDT for 4 states. It was in force for 62 min.
The area
The outline as issued.
The facts
- Issued
- May 6, 2013, 2:13 PM EDT (18:13 UTC)
- Expired
- May 6, 2013, 3:15 PM EDT
- In force
- 62 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 62 counties
Breathitt County, KY, Estill County, KY, Floyd County, KY, Knott County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Magoffin County, KY, Menifee County, KY, Montgomery County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Wolfe County, KY, Alexander County, NC, Alleghany County, NC, Ashe County, NC, Avery County, NC, Burke County, NC, Cabarrus County, NC, Caldwell County, NC, Catawba County, NC, Chatham County, NC, Cumberland County, NC, Davidson County, NC, Davie County, NC, Forsyth County, NC, Guilford County, NC, Harnett County, NC, Hoke County, NC, Iredell County, NC, Lee County, NC, Lincoln County, NC, Montgomery County, NC, Moore County, NC, Randolph County, NC, Richmond County, NC, Rowan County, NC, Stanly County, NC, Stokes County, NC, Surry County, NC, Watauga County, NC, Wilkes County, NC, Yadkin County, NC, Carter County, TN, Johnson County, TN, Sullivan County, TN, Buchanan County, VA, Carroll County, VA, City of Bristol, VA, City of Galax, VA, City of Norton, VA, Dickenson County, VA, Grayson County, VA, Russell County, VA, Scott County, VA, Smyth County, VA, Tazewell County, VA, Washington County, VA, Wise County, VA, Wythe County, VA
The radar
The Roanoke radar (KFCX), 120 km from the middle of the area, began a volume at 18:16 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 nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.2 hours before the alert went out and 125 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
- 26 J/kg
- Mixed-layer CIN
- -154 J/kg
- Mixed-layer LCL
- 458 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 297 m²/s²
- 0-3 km storm-relative helicity
- 345 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, 2013Mesoscale Discussions in Kentucky, 2013Mesoscale Discussions in Virginia, 2013Every mesoscale discussion in 2013
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.