Alert archive / West Virginia / Mesoscale Discussions in 2003
Mesoscale Discussion 1797
The Storm Prediction Center issued this mesoscale discussion at Jul 12, 2003, 6:14 PM EDT for 15 counties in Kentucky; 7 counties in Virginia; 17 counties in West Virginia. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 12, 2003, 6:14 PM EDT (22:14 UTC)
- Expired
- Jul 12, 2003, 8:15 PM EDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 39 counties
Boyd County, KY, Breathitt County, KY, Clay County, KY, Floyd County, KY, Harlan County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Lawrence County, KY, Leslie County, KY, Letcher County, KY, Magoffin County, KY, Martin County, KY, Perry County, KY, Pike County, KY, Bland County, VA, Buchanan County, VA, City of Norton, VA, Dickenson County, VA, Russell County, VA, Tazewell County, VA, Wise County, VA, Boone County, WV, Clay County, WV, Fayette County, WV, Greenbrier County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, McDowell County, WV, Mercer County, WV, Mingo County, WV, Monroe County, WV, Nicholas County, WV, Raleigh County, WV, Summers County, WV, Wayne County, WV, Webster County, WV, Wyoming County, WV
The radar
The Charleston,WV radar (KRLX), 70 km from the middle of the area, began a volume at 22:16 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.2 hours before the alert went out and 232 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
- 383 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 968 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
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 12, 10:53 AM EDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Bath, Bell and 89 more | 2 hr |
| Jul 12, 11:51 AM EDT | Mesoscale Discussion | SPC | Anderson, Bath, Boone, Bourbon, Boyd, Boyle and 39 more | 114 min |
| Jul 12, 12:40 PM EDT | Severe Thunderstorm Watch | SPC | Bath, Bourbon, Boyd, Bracken, Breathitt, Campbell and 30 more | 5 hr |
| Jul 12, 3:11 PM EDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Bath, Bell, Boyd and 48 more | 2 hr |
| Jul 12, 3:30 PM EDT | Severe Thunderstorm Watch | SPC | Adair, Allen, Barren, Caldwell, Christian, Clinton and 15 more | 6 hr |
| Jul 12, 5:05 PM EDT | Severe Thunderstorm Watch | SPC | Bath, Bell, Boyd, Bracken, Breathitt, Carter and 28 more | 6 hr |
| Jul 12, 7:12 PM EDT | Mesoscale Discussion | SPC | Bell, Clinton, Cumberland, Knox, McCreary, Wayne and 1 more | 63 min |
| Jul 11, 9:04 PM EDT | Mesoscale Discussion | SPC | City of Chesapeake, City of Virginia Beach | 86 min |
Nearby
Mesoscale Discussions in West Virginia, 2003Mesoscale Discussions in Kentucky, 2003Mesoscale Discussions in Virginia, 2003Every mesoscale discussion in 2003
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.