Alert archive / West Virginia / Mesoscale Discussions in 2014
Mesoscale Discussion 599
The Storm Prediction Center issued this mesoscale discussion at May 14, 2014, 1:48 PM EDT for 4 states. It was in force for 117 min.
The area
The outline as issued.
The facts
- Issued
- May 14, 2014, 1:48 PM EDT (17:48 UTC)
- Expired
- May 14, 2014, 3:45 PM EDT
- In force
- 117 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 36 counties
Allegany County, MD, Garrett County, MD, Armstrong County, PA, Cambria County, PA, Clarion County, PA, Clearfield County, PA, Elk County, PA, Fayette County, PA, Indiana County, PA, Jefferson County, PA, Somerset County, PA, Westmoreland County, PA, Augusta County, VA, Bath County, VA, City of Harrisonburg, VA, City of Staunton, VA, Highland County, VA, Rockingham County, VA, Shenandoah County, VA, Barbour County, WV, Grant County, WV, Hampshire County, WV, Hardy County, WV, Harrison County, WV, Lewis County, WV, Marion County, WV, Mineral County, WV, Monongalia County, WV, Pendleton County, WV, Pocahontas County, WV, Preston County, WV, Randolph County, WV, Taylor County, WV, Tucker County, WV, Upshur County, WV, Webster County, WV
The radar
The Pittsburgh radar (KPBZ), 109 km from the middle of the area, began a volume at 17:50 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 (KAGC), launched 12:00Z, 5.8 hours before the alert went out and 93 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
- 10 J/kg
- Mixed-layer CIN
- -164 J/kg
- Mixed-layer LCL
- 999 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 77 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 |
|---|---|---|---|---|
| May 14, 5:50 PM EDT | Mesoscale Discussion | SPC | Garrett | 85 min |
| May 14, 7:01 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 14 more | 4 hr |
| May 14, 11:37 AM EDT | Mesoscale Discussion | SPC | Cabell, Jackson, Lincoln, Mason, Pleasants, Putnam and 3 more | 53 min |
| May 14, 1:23 PM EDT | Tornado Watch | SPC | Cabell, Jackson, Kanawha, Lincoln, Mason, Putnam and 2 more | 9 hr |
Nearby
Mesoscale Discussions in West Virginia, 2014Mesoscale Discussions in Pennsylvania, 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.