Alert archive / West Virginia / Mesoscale Discussions in 2014
Mesoscale Discussion 1828
The Storm Prediction Center issued this mesoscale discussion at Oct 7, 2014, 6:12 PM EDT for 11 counties in Virginia; 25 counties in West Virginia. It was in force for 93 min.
The area
The outline as issued.
The facts
- Issued
- Oct 7, 2014, 6:12 PM EDT (22:12 UTC)
- Expired
- Oct 7, 2014, 7:45 PM EDT
- In force
- 93 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 36 counties
Alleghany County, VA, Bath County, VA, Bland County, VA, Botetourt County, VA, City of Covington, VA, Craig County, VA, Giles County, VA, Highland County, VA, Roanoke County, VA, Smyth County, VA, Tazewell County, VA, Barbour County, WV, Braxton County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Greenbrier County, WV, Harrison County, WV, Lewis County, WV, Marion County, WV, McDowell County, WV, Mercer County, WV, Monroe County, WV, Nicholas County, WV, Pendleton County, WV, Pocahontas County, WV, Preston County, WV, Raleigh County, WV, Randolph County, WV, Summers County, WV, Taylor County, WV, Tucker County, WV, Upshur County, WV, Webster County, WV, Wetzel County, WV, Wyoming County, WV
The radar
The Charleston,WV radar (KRLX), 79 km from the middle of the area, began a volume at 22:15 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.
The nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 10.2 hours before the alert went out and 152 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
- 736 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 184 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 |
|---|---|---|---|---|
| Oct 7, 2:02 PM EDT | Tornado Watch | SPC | Buchanan, Dickenson | 9 hr |
| Oct 7, 1:20 PM EDT | Mesoscale Discussion | SPC | Cabell, Jackson, Lincoln, Mason, Putnam, Wayne and 1 more | 115 min |
| Oct 7, 4:54 PM EDT | Mesoscale Discussion | SPC | Boone, Cabell, Clay, Fayette, Jackson, Kanawha and 9 more | 96 min |
| Oct 7, 7:59 PM EDT | Mesoscale Discussion | SPC | Boone, Cabell, Lincoln, Logan, Mingo, Putnam and 1 more | 61 min |
Nearby
Mesoscale Discussions in West Virginia, 2014Mesoscale Discussions in Virginia, 2014Every mesoscale discussion in 2014
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.