Alert archive / West Virginia / Mesoscale Discussions in 2020
Mesoscale Discussion 296
The Storm Prediction Center issued this mesoscale discussion at Apr 7, 2020, 4:57 PM EDT for 10 counties in Ohio; Greene County, Pennsylvania; 22 counties in West Virginia. It was in force for 63 min.
The area
The outline as issued.
The facts
- Issued
- Apr 7, 2020, 4:57 PM EDT (20:57 UTC)
- Expired
- Apr 7, 2020, 6:00 PM EDT
- In force
- 63 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 33 counties
Athens County, OH, Belmont County, OH, Guernsey County, OH, Hocking County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Washington County, OH, Greene County, PA, Barbour County, WV, Braxton County, WV, Calhoun County, WV, Doddridge County, WV, Gilmer County, WV, Harrison County, WV, Lewis County, WV, Marion County, WV, Marshall County, WV, Monongalia County, WV, Ohio County, WV, Pleasants County, WV, Preston County, WV, Randolph County, WV, Ritchie County, WV, Taylor County, WV, Tucker County, WV, Tyler County, WV, Upshur County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV
The radar
The Charleston,WV radar (KRLX), 123 km from the middle of the area, began a volume at 20:58 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
Pittsburgh, PA (KPIT), launched 12:00Z, 9.0 hours before the alert went out and 150 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
- 1438 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 120 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 |
|---|---|---|---|---|
| Apr 7, 12:03 AM EDT | Mesoscale Discussion | SPC | Allen, Auglaize, Defiance, Fulton, Hancock, Hardin and 7 more | 2 hr |
| Apr 7, 6:59 PM EDT | Mesoscale Discussion | SPC | Defiance, Fulton, Lucas, Williams | 91 min |
| Apr 7, 2:57 PM EDT | Mesoscale Discussion | SPC | Barbour, Grant, Hampshire, Hardy, Mineral, Pendleton and 3 more | 93 min |
| Apr 7, 7:06 PM EDT | Mesoscale Discussion | SPC | Barbour, Doddridge, Harrison, Lewis, Pleasants, Randolph and 5 more | 84 min |
Nearby
Mesoscale Discussions in West Virginia, 2020Mesoscale Discussions in Ohio, 2020Mesoscale Discussions in Pennsylvania, 2020Every mesoscale discussion in 2020
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.