Alert archive / Virginia / Mesoscale Discussions in 2004
Mesoscale Discussion 1759
The Storm Prediction Center issued this mesoscale discussion at Jul 22, 2004, 7:49 AM EDT for 5 states. It was in force for 116 min.
The area
The outline as issued.
The facts
- Issued
- Jul 22, 2004, 7:49 AM EDT (11:49 UTC)
- Expired
- Jul 22, 2004, 9:45 AM EDT
- In force
- 116 min
- Issued by
- the Storm Prediction Center
All 35 counties
Breathitt County, KY, Floyd County, KY, Harlan County, KY, Knott County, KY, Leslie County, KY, Letcher County, KY, Martin County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Alleghany County, NC, Ashe County, NC, Johnson County, TN, Bland County, VA, Buchanan County, VA, Carroll County, VA, City of Bristol, VA, City of Galax, VA, City of Norton, VA, Dickenson County, VA, Giles County, VA, Grayson County, VA, Pulaski County, VA, Russell County, VA, Scott County, VA, Smyth County, VA, Tazewell County, VA, Washington County, VA, Wise County, VA, Wythe County, VA, Logan County, WV, McDowell County, WV, Mercer County, WV, Mingo County, WV, Wyoming County, WV
The radar
The Jackson,KY radar (KJKL), 92 km from the middle of the area, began a volume at 11:52 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 00:00Z, 11.8 hours before the alert went out and 272 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
- 569 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 1220 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 146 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 |
|---|---|---|---|---|
| Jul 22, 2:52 PM EDT | Mesoscale Discussion | SPC | Anderson, Boone, Bourbon, Bracken, Campbell, Carroll and 19 more | 83 min |
| Jul 22, 4:05 PM EDT | Severe Thunderstorm Watch | SPC | Breckinridge, Daviess, Hancock, Henderson, Meade | 6 hr |
| Jul 22, 4:45 PM EDT | Severe Thunderstorm Watch | SPC | Adair, Allen, Anderson, Barren, Bath, Bourbon and 63 more | 5 hr |
| Jul 22, 7:42 PM EDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Bath, Boone and 79 more | 93 min |
| Jul 22, 3:03 PM EDT | Mesoscale Discussion | SPC | Alamance, Beaufort, Bertie, Camden, Caswell, Chatham and 51 more | 117 min |
Nearby
Mesoscale Discussions in Virginia, 2004Mesoscale Discussions in Kentucky, 2004Mesoscale Discussions in West Virginia, 2004Every mesoscale discussion in 2004
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.