Alert archive / Kentucky / Mesoscale Discussions in 2012
Mesoscale Discussion 1570
The Storm Prediction Center issued this mesoscale discussion at Jul 24, 2012, 1:52 PM EDT for 4 states. It was in force for 53 min.
The area
The outline as issued.
The facts
- Issued
- Jul 24, 2012, 1:52 PM EDT (17:52 UTC)
- Expired
- Jul 24, 2012, 2:45 PM EDT
- In force
- 53 min
- Issued by
- the Storm Prediction Center
All 70 counties
Anderson County, KY, Bath County, KY, Bourbon County, KY, Boyd County, KY, Boyle County, KY, Breathitt County, KY, Carter County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Franklin County, KY, Garrard County, KY, Greenup County, KY, Harlan County, KY, Harrison County, KY, Jackson County, KY, Jessamine County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lewis County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Martin County, KY, Mason County, KY, Menifee County, KY, Mercer County, KY, Montgomery County, KY, Morgan County, KY, Nicholas County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Pulaski County, KY, Robertson County, KY, Rockcastle County, KY, Rowan County, KY, Scott County, KY, Washington County, KY, Wolfe County, KY, Woodford County, KY, Lawrence County, OH, Scioto County, OH, Buchanan County, VA, City of Norton, VA, Dickenson County, VA, Wise County, VA, Boone County, WV, Cabell County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, McDowell County, WV, Mingo County, WV, Putnam County, WV, Raleigh County, WV, Wayne County, WV, Wyoming County, WV
The radar
The Jackson,KY radar (KJKL), 47 km from the middle of the area, began a volume at 17:55 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, 5.9 hours before the alert went out and 165 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
- 1858 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 1124 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 187 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 1.7
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 24, 10:35 AM EDT | Severe Thunderstorm Watch | SPC | Boone, Bracken, Campbell, Kenton, Lewis, Mason and 2 more | 3 hr |
| Jul 24, 11:43 AM EDT | Mesoscale Discussion | SPC | Bath, Bourbon, Boyd, Breathitt, Carter, Clark and 26 more | 62 min |
| Jul 24, 11:59 AM EDT | Mesoscale Discussion | SPC | Boone, Bracken, Campbell, Greenup, Kenton, Lewis and 3 more | 61 min |
| Jul 24, 12:33 PM EDT | Severe Thunderstorm Watch | SPC | Adair, Anderson, Bath, Bell, Bourbon, Boyd and 61 more | 6 hr |
| Jul 24, 3:25 PM EDT | Mesoscale Discussion | SPC | Adair, Anderson, Bell, Bourbon, Boyle, Breathitt and 44 more | 95 min |
| Jul 24, 4:25 PM EDT | Mesoscale Discussion | SPC | Breckinridge, Butler, Caldwell, Christian, Crittenden, Daviess and 17 more | 95 min |
| Jul 24, 6:20 PM EDT | Severe Thunderstorm Watch | SPC | Adair, Allen, Barren, Bell, Breckinridge, Butler and 26 more | 4 hr |
| Jul 24, 10:08 AM EDT | Mesoscale Discussion | SPC | Auglaize, Butler, Champaign, Clark, Clinton, Darke and 14 more | 97 min |
| Jul 24, 11:48 AM EDT | Mesoscale Discussion | SPC | Belmont, Carroll, Columbiana, Harrison, Jefferson, Stark | 87 min |
| Jul 24, 1:08 PM EDT | Severe Thunderstorm Watch | SPC | Albemarle, Alleghany, Amelia, Amherst, Appomattox, Arlington and 89 more | 6 hr |
| Jul 24, 1:42 PM EDT | Mesoscale Discussion | SPC | Accomack, Amelia, Brunswick, Caroline, Charles City, Charlotte and 48 more | 2 hr |
| Jul 24, 3:46 PM EDT | Mesoscale Discussion | SPC | Accomack, Brunswick, Charles City, Dinwiddie, Gloucester, Greensville and 28 more | 89 min |
| Jul 24, 4:24 PM EDT | Severe Thunderstorm Watch | SPC | Accomack, Brunswick, Dinwiddie, Gloucester, Greensville, Isle of Wight and 20 more | 4 hr |
Nearby
Mesoscale Discussions in Kentucky, 2012Mesoscale Discussions in West Virginia, 2012Mesoscale Discussions in Virginia, 2012Every mesoscale discussion in 2012
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.