Alert archive / Kentucky / Mesoscale Discussions in 2020
Mesoscale Discussion 216
The Storm Prediction Center issued this mesoscale discussion at Mar 20, 2020, 3:22 AM EDT for 4 states. It was in force for 83 min.
The area
The outline as issued.
The facts
- Issued
- Mar 20, 2020, 3:22 AM EDT (07:22 UTC)
- Expired
- Mar 20, 2020, 4:45 AM EDT
- In force
- 83 min
- Issued by
- the Storm Prediction Center
All 115 counties
Bartholomew County, IN, Clark County, IN, Crawford County, IN, Dearborn County, IN, Decatur County, IN, Dubois County, IN, Fayette County, IN, Floyd County, IN, Franklin County, IN, Harrison County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Lawrence County, IN, Martin County, IN, Ohio County, IN, Orange County, IN, Perry County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Spencer County, IN, Switzerland County, IN, Union County, IN, Vanderburgh County, IN, Warrick County, IN, Washington County, IN, Wayne County, IN, Allen County, KY, Anderson County, KY, Barren County, KY, Boone County, KY, Bracken County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Campbell County, KY, Carroll County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Edmonson County, KY, Franklin County, KY, Gallatin County, KY, Grant County, KY, Graves County, KY, Grayson County, KY, Hancock County, KY, Hardin County, KY, Hart County, KY, Henderson County, KY, Henry County, KY, Hickman County, KY, Hopkins County, KY, Jefferson County, KY, Kenton County, KY, Larue County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Marion County, KY, Marshall County, KY, McLean County, KY, Meade County, KY, Muhlenberg County, KY, Nelson County, KY, Ohio County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Scott County, KY, Shelby County, KY, Simpson County, KY, Spencer County, KY, Todd County, KY, Trigg County, KY, Trimble County, KY, Union County, KY, Warren County, KY, Washington County, KY, Webster County, KY, Butler County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Greene County, OH, Hamilton County, OH, Montgomery County, OH, Preble County, OH, Warren County, OH, Benton County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Crockett County, TN, Decatur County, TN, Dickson County, TN, Dyer County, TN, Gibson County, TN, Hardeman County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Houston County, TN, Humphreys County, TN, Lauderdale County, TN, Madison County, TN, Montgomery County, TN, Obion County, TN, Perry County, TN, Robertson County, TN, Stewart County, TN, Weakley County, TN
The radar
The Ft Campbell radar (KHPX), 87 km from the middle of the area, began a volume at 07:24 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
Nashville Metro, TN (KBNA), launched 00:00Z, 7.4 hours before the alert went out and 140 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
- 101 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 1064 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 318 m²/s²
- 0-3 km storm-relative helicity
- 344 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.4
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 |
|---|---|---|---|---|
| Mar 19, 10:50 PM EDT | Tornado Watch | SPC | Perry, Posey, Spencer, Vanderburgh, Warrick | 6 hr |
| Mar 20, 12:40 PM EDT | Mesoscale Discussion | SPC | Belmont, Carroll, Columbiana, Coshocton, Fairfield, Franklin and 20 more | 2 hr |
Nearby
Mesoscale Discussions in Kentucky, 2020Mesoscale Discussions in Indiana, 2020Mesoscale Discussions in Tennessee, 2020Every mesoscale discussion in 2020
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.