Alert archive / Kentucky / Mesoscale Discussions in 2016
Mesoscale Discussion 1803
The Storm Prediction Center issued this mesoscale discussion at Oct 20, 2016, 3:42 PM CDT for 5 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Oct 20, 2016, 3:42 PM CDT (20:42 UTC)
- Expired
- Oct 20, 2016, 5:45 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 122 counties
Adair County, KY, Bath County, KY, Bell 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, Clinton County, KY, Cumberland County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Garrard County, KY, Greenup County, KY, Harlan 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, Marion County, KY, Martin County, KY, McCreary County, KY, Menifee County, KY, Mercer County, KY, Monroe 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, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Taylor County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Gallia County, OH, Lawrence County, OH, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Cannon County, TN, Claiborne County, TN, Clay County, TN, Cumberland County, TN, DeKalb County, TN, Fentress County, TN, Grainger County, TN, Grundy County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Hawkins County, TN, Jackson County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Sequatchie County, TN, Smith County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, White County, TN, Buchanan County, VA, City of Norton, VA, Dickenson County, VA, Lee County, VA, Scott County, VA, Wise County, VA, Boone County, WV, Braxton County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Fayette County, WV, Gilmer County, WV, Jackson County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, Mingo County, WV, Nicholas County, WV, Putnam County, WV, Raleigh County, WV, Roane County, WV, Wayne County, WV, Wirt County, WV, Wyoming County, WV
The radar
The Jackson,KY radar (KJKL), 57 km from the middle of the area, began a volume at 20:45 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, 8.7 hours before the alert went out and 265 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
- 2 J/kg
- Mixed-layer CIN
- -135 J/kg
- Mixed-layer LCL
- 1220 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- -110 m²/s²
- 0-3 km storm-relative helicity
- -20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Oct 20, 12:28 PM CDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Bath, Boyle, Breathitt and 42 more | 3 hr |
| Oct 20, 1:28 PM CDT | Mesoscale Discussion | SPC | Belmont, Jefferson, Monroe, Noble, Washington | 3 hr |
| Oct 20, 2:46 PM CDT | Severe Thunderstorm Watch | SPC | Marion, Marshall, Monongalia, Preston, Wetzel | 7 hr |
| Oct 20, 5:58 PM CDT | Mesoscale Discussion | SPC | Preston | 92 min |
Nearby
Mesoscale Discussions in Kentucky, 2016Mesoscale Discussions in Tennessee, 2016Mesoscale Discussions in West Virginia, 2016Every mesoscale discussion in 2016
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.