Alert archive / Kentucky / Mesoscale Discussions in 2007
Mesoscale Discussion 1537
The Storm Prediction Center issued this mesoscale discussion at Jul 19, 2007, 12:45 PM EDT for 4 states. It was in force for 60 min.
The area
The outline as issued.
The facts
- Issued
- Jul 19, 2007, 12:45 PM EDT (16:45 UTC)
- Expired
- Jul 19, 2007, 1:45 PM EDT
- In force
- 60 min
- Issued by
- the Storm Prediction Center
All 101 counties
Bartholomew County, IN, Brown County, IN, Clark County, IN, Crawford County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Dubois County, IN, Fayette County, IN, Floyd County, IN, Franklin County, IN, Greene County, IN, Harrison County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Martin County, IN, Monroe County, IN, Morgan County, IN, Ohio County, IN, Orange County, IN, Owen County, IN, Perry County, IN, Pike County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Spencer County, IN, Sullivan County, IN, Switzerland County, IN, Union County, IN, Warrick County, IN, Washington County, IN, Bath County, KY, Boone County, KY, Bourbon County, KY, Boyd County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Carter County, KY, Clark County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Franklin County, KY, Gallatin County, KY, Grant County, KY, Greenup County, KY, Harrison County, KY, Henry County, KY, Jefferson County, KY, Johnson County, KY, Kenton County, KY, Lawrence County, KY, Lee County, KY, Lewis County, KY, Magoffin County, KY, Martin County, KY, Mason County, KY, Meade County, KY, Menifee County, KY, Montgomery County, KY, Morgan 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, Wolfe County, KY, Woodford County, KY, Adams County, OH, Brown County, OH, Butler County, OH, Clermont County, OH, Clinton County, OH, Gallia County, OH, Hamilton County, OH, Highland County, OH, Jackson County, OH, Lawrence County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Warren County, OH, Cabell County, WV, Lincoln County, WV, Wayne County, WV
The radar
The Louisville radar (KLVX), 100 km from the middle of the area, began a volume at 16:48 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, 4.8 hours before the alert went out and 147 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
- 1294 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 757 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 157 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 6.2
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 18, 8:29 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allen, Benton, Blackford, Cass, DeKalb and 23 more | 7 hr |
| Jul 18, 10:06 PM EDT | Mesoscale Discussion | SPC | Adams, Allen, Benton, Blackford, Boone, Carroll and 52 more | 84 min |
| Jul 19, 1:07 PM EDT | Severe Thunderstorm Watch | SPC | Bartholomew, Brown, Clark, Dearborn, Decatur, Fayette and 13 more | 8 hr |
| Jul 19, 2:27 PM EDT | Mesoscale Discussion | SPC | Clay, Crawford, Daviess, Dubois, Gibson, Greene and 15 more | 93 min |
| Jul 19, 2:42 PM EDT | Severe Thunderstorm Watch | SPC | Brown, Daviess, Gibson, Greene, Knox, Lawrence and 8 more | 6 hr |
| Jul 19, 6:38 PM EDT | Mesoscale Discussion | SPC | Crawford, Gibson, Harrison, Perry, Posey, Spencer and 2 more | 97 min |
| Jul 18, 10:59 PM EDT | Severe Thunderstorm Watch | SPC | Allen, Ashland, Ashtabula, Auglaize, Belmont, Carroll and 56 more | 6 hr |
| Jul 19, 10:09 AM EDT | Mesoscale Discussion | SPC | Gallia, Lawrence, Meigs | 96 min |
| Jul 19, 3:54 PM EDT | Mesoscale Discussion | SPC | Crawford, Erie, Fulton, Hancock, Henry, Huron and 7 more | 96 min |
| Jul 19, 7:15 PM EDT | Mesoscale Discussion | SPC | Allen, Ashland, Ashtabula, Auglaize, Carroll, Champaign and 31 more | 90 min |
| Jul 19, 2:07 PM EDT | Severe Thunderstorm Watch | SPC | Grant, Hardy, Pendleton | 8 hr |
| Jul 19, 6:27 PM EDT | Mesoscale Discussion | SPC | Jefferson, Pendleton | 93 min |
Nearby
Mesoscale Discussions in Kentucky, 2007Mesoscale Discussions in Indiana, 2007Mesoscale Discussions in Ohio, 2007Every mesoscale discussion in 2007
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.