Alert archive / Virginia / Mesoscale Discussions in 2013
Mesoscale Discussion 96
The Storm Prediction Center issued this mesoscale discussion at Jan 30, 2013, 10:19 AM EST for 4 states. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Jan 30, 2013, 10:19 AM EST (15:19 UTC)
- Expired
- Jan 30, 2013, 11:45 AM EST
- In force
- 86 min
- Issued by
- the Storm Prediction Center
All 109 counties
Allegany County, MD, Frederick County, MD, Garrett County, MD, Washington County, MD, Adams County, PA, Armstrong County, PA, Bedford County, PA, Blair County, PA, Cambria County, PA, Cameron County, PA, Centre County, PA, Clearfield County, PA, Clinton County, PA, Cumberland County, PA, Elk County, PA, Fayette County, PA, Franklin County, PA, Fulton County, PA, Huntingdon County, PA, Indiana County, PA, Jefferson County, PA, Juniata County, PA, Lycoming County, PA, Mifflin County, PA, Perry County, PA, Potter County, PA, Snyder County, PA, Somerset County, PA, Union County, PA, Westmoreland County, PA, Albemarle County, VA, Alleghany County, VA, Amherst County, VA, Augusta County, VA, Bath County, VA, Bedford County, VA, Bland County, VA, Botetourt County, VA, Carroll County, VA, City of Buena Vista, VA, City of Charlottesville, VA, City of Covington, VA, City of Galax, VA, City of Harrisonburg, VA, City of Lexington, VA, City of Lynchburg, VA, City of Radford, VA, City of Roanoke, VA, City of Salem, VA, City of Staunton, VA, City of Waynesboro, VA, City of Winchester, VA, Clarke County, VA, Craig County, VA, Culpeper County, VA, Fauquier County, VA, Floyd County, VA, Franklin County, VA, Frederick County, VA, Giles County, VA, Grayson County, VA, Greene County, VA, Highland County, VA, Loudoun County, VA, Madison County, VA, Montgomery County, VA, Nelson County, VA, Page County, VA, Pulaski County, VA, Rappahannock County, VA, Roanoke County, VA, Rockbridge County, VA, Rockingham County, VA, Shenandoah County, VA, Smyth County, VA, Tazewell County, VA, Warren County, VA, Washington County, VA, Wythe County, VA, Barbour County, WV, Berkeley County, WV, Braxton County, WV, Fayette County, WV, Grant County, WV, Greenbrier County, WV, Hampshire County, WV, Hardy County, WV, Harrison County, WV, Jefferson County, WV, Lewis County, WV, Marion County, WV, McDowell County, WV, Mercer County, WV, Mineral County, WV, Monongalia County, WV, Monroe County, WV, Morgan 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, Wyoming County, WV
The radar
The Pittsburgh radar (KPBZ), 179 km from the middle of the area, began a volume at 15:19 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, 3.3 hours before the alert went out and 164 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
- 1106 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 744 m²/s²
- 0-3 km storm-relative helicity
- 813 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 |
|---|---|---|---|---|
| Jan 30, 8:31 AM EST | Severe Thunderstorm Watch | SPC | Garrett | 4 hr |
| Jan 30, 12:54 PM EST | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Carroll, Charles, Frederick and 6 more | 96 min |
| Jan 30, 4:06 PM EST | Mesoscale Discussion | SPC | Charles, Prince George's | 114 min |
| Jan 30, 6:31 PM EST | Tornado Watch | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Charles, Harford and 5 more | 8 hr |
| Jan 30, 5:51 AM EST | Tornado Watch | SPC | Buchanan, Dickenson, Lee, Russell, Scott, Washington and 3 more | 7 hr |
| Jan 30, 7:38 AM EST | Mesoscale Discussion | SPC | Buchanan, Dickenson, Lee, Russell, Scott, Washington and 3 more | 97 min |
| Jan 30, 3:21 PM EST | Mesoscale Discussion | SPC | Bedford, Botetourt, Campbell, Carroll, Craig, Floyd and 15 more | 84 min |
| Jan 30, 3:42 PM EST | Severe Thunderstorm Watch | SPC | Amherst, Appomattox, Bedford, Botetourt, Buckingham, Campbell and 25 more | 5 hr |
Nearby
Mesoscale Discussions in Virginia, 2013Mesoscale Discussions in West Virginia, 2013Mesoscale Discussions in Pennsylvania, 2013Every mesoscale discussion in 2013
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.