Alert archive / West Virginia / Mesoscale Discussions in 2016
Mesoscale Discussion 1896
The Storm Prediction Center issued this mesoscale discussion at Dec 18, 2016, 2:07 AM EST for 4 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 18, 2016, 2:07 AM EST (07:07 UTC)
- Expired
- Dec 18, 2016, 4:30 AM EST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 65 counties
Bell County, KY, Boyd County, KY, Breathitt County, KY, Carter County, KY, Clay County, KY, Clinton County, KY, Elliott County, KY, Floyd County, KY, Jackson County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Magoffin County, KY, Martin County, KY, McCreary County, KY, Morgan County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Gallia County, OH, Lawrence County, OH, Meigs County, OH, Fayette County, PA, Greene County, PA, Barbour County, WV, Boone County, WV, Braxton County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Gilmer County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Lincoln County, WV, Logan County, WV, Marion County, WV, Marshall County, WV, Mason County, WV, Mingo County, WV, Monongalia County, WV, Nicholas County, WV, Pleasants County, WV, Preston County, WV, Putnam County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tyler County, WV, Upshur County, WV, Wayne County, WV, Webster County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV
The radar
The Charleston,WV radar (KRLX), 40 km from the middle of the area, began a volume at 07:10 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
Cncnati-Daytn, OH (KILN), launched 00:00Z, 7.1 hours before the alert went out and 191 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
- 19 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 733 m above ground
- 0-6 km bulk shear
- 94 kt
- 0-1 km storm-relative helicity
- 434 m²/s²
- 0-3 km storm-relative helicity
- 523 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 |
|---|---|---|---|---|
| Dec 17, 9:28 PM EST | Mesoscale Discussion | SPC | Allen, Barren, Monroe, Simpson | 62 min |
| Dec 18, 3:30 AM EST | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Bath, Bourbon and 44 more | 4 hr |
Nearby
Mesoscale Discussions in West Virginia, 2016Mesoscale Discussions in Kentucky, 2016Mesoscale Discussions in Ohio, 2016Every mesoscale discussion in 2016
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.