Alert archive / Kentucky / Mesoscale Discussions in 2017
Mesoscale Discussion 1259
The Storm Prediction Center issued this mesoscale discussion at Jul 7, 2017, 3:54 PM EDT for 25 counties in Indiana; 38 counties in Kentucky; 13 counties in Ohio. It was in force for 96 min.
The area
The outline as issued.
The facts
- Issued
- Jul 7, 2017, 3:54 PM EDT (19:54 UTC)
- Expired
- Jul 7, 2017, 5:30 PM EDT
- In force
- 96 min
- Issued by
- the Storm Prediction Center
All 76 counties
Bartholomew County, IN, Brown County, IN, Clark County, IN, Dearborn County, IN, Decatur County, IN, Fayette County, IN, Floyd County, IN, Franklin County, IN, Hancock County, IN, Henry County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Lawrence County, IN, Monroe County, IN, Ohio County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Switzerland County, IN, Union County, IN, Washington County, IN, Wayne County, IN, Anderson County, KY, Bath County, KY, Boone County, KY, Bourbon County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Carter County, KY, Clark County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Gallatin County, KY, Grant County, KY, Greenup County, KY, Harrison County, KY, Henry County, KY, Jefferson County, KY, Jessamine County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Menifee County, KY, Mercer County, KY, Montgomery County, KY, Nicholas County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Powell County, KY, Robertson County, KY, Rowan County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Trimble County, KY, Washington County, KY, Woodford County, KY, Adams County, OH, Brown County, OH, Butler County, OH, Clermont County, OH, Clinton County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Montgomery County, OH, Pike County, OH, Preble County, OH, Scioto County, OH, Warren County, OH
The radar
The Cincinnati radar (KILN), 118 km from the middle of the area, began a volume at 19:57 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.9 hours before the alert went out and 120 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
- 678 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 863 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.8
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 8:51 AM EDT | Mesoscale Discussion | SPC | Adams, Allen, Blackford, Boone, Carroll, Cass and 25 more | 114 min |
| Jul 7, 9:46 AM EDT | Severe Thunderstorm Watch | SPC | Adams, Allen, Blackford, Cass, DeKalb, Delaware and 20 more | 7 hr |
| Jul 7, 11:22 AM EDT | Mesoscale Discussion | SPC | Adams, Allen, Blackford, Cass, DeKalb, Delaware and 17 more | 53 min |
| Jul 7, 1:19 PM EDT | Mesoscale Discussion | SPC | Benton, Boone, Carroll, Clay, Clinton, Daviess and 23 more | 56 min |
| Jul 7, 1:45 PM EDT | Severe Thunderstorm Watch | SPC | Bartholomew, Benton, Boone, Brown, Carroll, Clay and 32 more | 7 hr |
| Jul 7, 4:24 PM EDT | Severe Thunderstorm Watch | SPC | Clark, Dearborn, Fayette, Floyd, Franklin, Harrison and 8 more | 7 hr |
| Jul 7, 6:34 PM EDT | Mesoscale Discussion | SPC | Clark, Floyd, Jackson, Jefferson, Jennings, Lawrence and 6 more | 86 min |
| Jul 7, 1:27 PM EDT | Severe Thunderstorm Watch | SPC | Boyd, Carter, Greenup, Lawrence | 8 hr |
| Jul 7, 8:02 AM EDT | Mesoscale Discussion | SPC | Belmont, Carroll, Columbiana, Coshocton, Geauga, Guernsey and 11 more | 2 hr |
| Jul 7, 1:07 PM EDT | Mesoscale Discussion | SPC | Athens, Belmont, Gallia, Guernsey, Jackson, Lawrence and 11 more | 53 min |
| Jul 7, 3:35 PM EDT | Mesoscale Discussion | SPC | Athens, Belmont, Gallia, Meigs, Monroe, Morgan and 3 more | 85 min |
Nearby
Mesoscale Discussions in Kentucky, 2017Mesoscale Discussions in Indiana, 2017Mesoscale Discussions in Ohio, 2017Every mesoscale discussion in 2017
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.