Alert archive / Kentucky / Mesoscale Discussions in 2008
Mesoscale Discussion 1830
The Storm Prediction Center issued this mesoscale discussion at Jul 20, 2008, 6:33 PM EDT for 4 states. It was in force for 87 min.
The area
The outline as issued.
The facts
- Issued
- Jul 20, 2008, 6:33 PM EDT (22:33 UTC)
- Expired
- Jul 20, 2008, 8:00 PM EDT
- In force
- 87 min
- Issued by
- the Storm Prediction Center
All 114 counties
Bartholomew County, IN, Brown County, IN, Clark County, IN, Dearborn County, IN, Decatur County, IN, Fayette County, IN, Franklin County, IN, Jackson County, IN, Jefferson County, IN, Jennings 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, Anderson County, KY, Bath County, KY, Boone County, KY, Bourbon County, KY, Boyd County, KY, Bracken County, KY, Breathitt 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, Garrard County, KY, Grant County, KY, Greenup County, KY, Harrison County, KY, Henry County, KY, Jefferson County, KY, Jessamine County, KY, Johnson County, KY, Kenton County, KY, Lawrence County, KY, Lee County, KY, Lewis 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, Oldham County, KY, Owen County, KY, Pendleton County, KY, Pike 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, Meigs County, OH, Pike County, OH, Scioto County, OH, Vinton County, OH, Warren County, OH, Barbour County, WV, Boone County, WV, Braxton County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, Mingo County, WV, Nicholas County, WV, Pleasants County, WV, Putnam County, WV, Raleigh County, WV, Ritchie County, WV, Roane County, WV, Upshur County, WV, Wayne County, WV, Webster County, WV, Wirt County, WV, Wood County, WV, Wyoming County, WV
The radar
The Cincinnati radar (KILN), 82 km from the middle of the area, began a volume at 22:34 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, 10.6 hours before the alert went out and 82 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
- 525 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1168 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.3
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 20, 12:24 AM EDT | Mesoscale Discussion | SPC | Elkhart, Jasper, LaGrange, Lake, LaPorte, Marshall and 5 more | 96 min |
| Jul 20, 1:43 PM EDT | Mesoscale Discussion | SPC | Bartholomew, Blackford, Boone, Brown, Clay, Clinton and 32 more | 92 min |
| Jul 20, 3:10 PM EDT | Severe Thunderstorm Watch | SPC | Bartholomew, Boone, Brown, Clark, Clay, Daviess and 39 more | 8 hr |
| Jul 20, 11:29 AM EDT | Mesoscale Discussion | SPC | Carroll, Columbiana, Coshocton, Fairfield, Geauga, Guernsey and 14 more | 61 min |
| Jul 20, 12:35 PM EDT | Severe Thunderstorm Watch | SPC | Ashtabula, Carroll, Columbiana, Harrison, Jefferson, Mahoning and 1 more | 7 hr |
Nearby
Mesoscale Discussions in Kentucky, 2008Mesoscale Discussions in West Virginia, 2008Mesoscale Discussions in Indiana, 2008Every mesoscale discussion in 2008
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.