Alert archive / West Virginia / Mesoscale Discussions in 2008
Mesoscale Discussion 1876
The Storm Prediction Center issued this mesoscale discussion at Jul 23, 2008, 1:28 PM EDT for 7 states. It was in force for 62 min.
The area
The outline as issued.
The facts
- Issued
- Jul 23, 2008, 1:28 PM EDT (17:28 UTC)
- Expired
- Jul 23, 2008, 2:30 PM EDT
- In force
- 62 min
- Issued by
- the Storm Prediction Center
All 99 counties
Allegany County, MD, Garrett County, MD, Alleghany County, NC, Ashe County, NC, Avery County, NC, Mitchell County, NC, Watauga County, NC, Cattaraugus County, NY, Armstrong County, PA, Bedford County, PA, Blair County, PA, Cambria County, PA, Cameron County, PA, Clarion County, PA, Clearfield County, PA, Elk County, PA, Fayette County, PA, Forest County, PA, Greene County, PA, Indiana County, PA, Jefferson County, PA, McKean County, PA, Potter County, PA, Somerset County, PA, Westmoreland County, PA, Anderson County, TN, Carter County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Sullivan County, TN, Unicoi County, TN, Union County, TN, Washington County, TN, Alleghany County, VA, Bath County, VA, Bland County, VA, Botetourt County, VA, Buchanan County, VA, Carroll County, VA, City of Bristol, VA, City of Covington, VA, City of Galax, VA, City of Norton, VA, City of Radford, VA, City of Salem, VA, Craig County, VA, Dickenson County, VA, Floyd County, VA, Giles County, VA, Grayson County, VA, Highland County, VA, Lee County, VA, Montgomery County, VA, Pulaski County, VA, Roanoke County, VA, Russell County, VA, Scott County, VA, Smyth County, VA, Tazewell County, VA, Washington County, VA, Wise County, VA, Wythe County, VA, Barbour County, WV, Braxton County, WV, Clay County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Grant County, WV, Greenbrier County, WV, Hardy County, WV, Harrison County, WV, Lewis County, WV, Marion County, WV, McDowell County, WV, Mercer County, WV, Mineral County, WV, Monongalia County, WV, Monroe 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, Wetzel County, WV, Wyoming County, WV
The radar
The Charleston,WV radar (KRLX), 67 km from the middle of the area, began a volume at 17:29 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 5.5 hours before the alert went out and 182 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
- 217 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 800 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -35 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
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 |
|---|---|---|---|---|
| Jul 23, 12:33 PM EDT | Mesoscale Discussion | SPC | Caroline, Dorchester, Queen Anne's, Saint Mary's, Somerset, Talbot and 2 more | 57 min |
| Jul 23, 12:44 PM EDT | Severe Thunderstorm Watch | SPC | Dorchester, Somerset, Wicomico, Worcester | 7 hr |
| Jul 23, 2:34 PM EDT | Severe Thunderstorm Watch | SPC | Caroline, Cecil, Kent, Queen Anne's, Talbot | 7 hr |
| Jul 23, 3:25 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more | 8 hr |
| Jul 23, 3:54 PM EDT | Mesoscale Discussion | SPC | Dorchester, Wicomico, Worcester | 66 min |
| Jul 23, 7:28 PM EDT | Mesoscale Discussion | SPC | Dorchester, Somerset, Wicomico, Worcester | 62 min |
| Jul 23, 3:29 AM EDT | Mesoscale Discussion | SPC | Sullivan | 91 min |
| Jul 23, 2:12 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Broome, Cayuga, Chemung, Chenango, Cortland and 22 more | 6 hr |
| Jul 23, 4:11 PM EDT | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Queens, Richmond | 94 min |
| Jul 23, 10:38 AM EDT | Mesoscale Discussion | SPC | Alamance, Cabarrus, Caswell, Chatham, Durham, Franklin and 12 more | 67 min |
Nearby
Mesoscale Discussions in West Virginia, 2008Mesoscale Discussions in Virginia, 2008Mesoscale Discussions in Pennsylvania, 2008Every mesoscale discussion in 2008
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.