Alert archive / West Virginia / Mesoscale Discussions in 2020
Mesoscale Discussion 144
The Storm Prediction Center issued this mesoscale discussion at Mar 3, 2020, 1:22 PM EST for 4 states. It was in force for 113 min.
The area
The outline as issued.
The facts
- Issued
- Mar 3, 2020, 1:22 PM EST (18:22 UTC)
- Expired
- Mar 3, 2020, 3:15 PM EST
- In force
- 113 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 54 counties
Allegany County, MD, Garrett County, MD, Athens County, OH, Belmont County, OH, Gallia County, OH, Meigs County, OH, Monroe County, OH, Noble County, OH, Washington County, OH, Allegheny County, PA, Bedford County, PA, Cambria County, PA, Fayette County, PA, Fulton County, PA, Greene County, PA, Somerset County, PA, Washington County, PA, Westmoreland County, PA, Barbour County, WV, Braxton County, WV, Brooke County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Gilmer County, WV, Grant County, WV, Hampshire County, WV, Hardy County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Marion County, WV, Marshall County, WV, Mason County, WV, Mineral County, WV, Monongalia County, WV, Morgan County, WV, Ohio County, WV, Pendleton County, WV, Pleasants County, WV, Preston County, WV, Putnam County, WV, Randolph County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tucker County, WV, Tyler County, WV, Upshur County, WV, Webster County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV
The radar
The Pittsburgh radar (KPBZ), 105 km from the middle of the area, began a volume at 18:24 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 6.4 hours before the alert went out and 233 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
- 1273 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 119 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 |
|---|---|---|---|---|
| Mar 3, 4:27 PM EST | Mesoscale Discussion | SPC | Allegany, Carroll, Frederick, Garrett, Washington | 2 hr |
| Mar 3, 6:50 PM EST | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Harford and 6 more | 2 hr |
Nearby
Mesoscale Discussions in West Virginia, 2020Mesoscale Discussions in Pennsylvania, 2020Mesoscale Discussions in Ohio, 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.