Alert archive / Kentucky / Mesoscale Discussions in 2016
Mesoscale Discussion 1892
The Storm Prediction Center issued this mesoscale discussion at Dec 17, 2016, 5:45 PM CST for 5 states. It was in force for 90 min.
The area
The outline as issued.
The facts
- Issued
- Dec 17, 2016, 5:45 PM CST (23:45 UTC)
- Expired
- Dec 17, 2016, 7:15 PM CST
- In force
- 90 min
- Issued by
- the Storm Prediction Center
All 140 counties
Arkansas County, AR, Bradley County, AR, Calhoun County, AR, Clark County, AR, Cleveland County, AR, Crittenden County, AR, Cross County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Grant County, AR, Jefferson County, AR, Lee County, AR, Lincoln County, AR, Lonoke County, AR, Mississippi County, AR, Monroe County, AR, Nevada County, AR, Ouachita County, AR, Phillips County, AR, Poinsett County, AR, Prairie County, AR, St. Francis County, AR, Woodruff County, AR, Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Bourbon County, KY, Boyle County, KY, Bracken County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Calloway County, KY, Campbell County, KY, Casey County, KY, Christian County, KY, Clark County, KY, Cumberland County, KY, Edmonson County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Garrard County, KY, Grant County, KY, Grayson County, KY, Green County, KY, Hardin County, KY, Harrison County, KY, Hart County, KY, Henry County, KY, Jefferson County, KY, Jessamine County, KY, Larue County, KY, Lewis County, KY, Lincoln County, KY, Logan County, KY, Lyon County, KY, Madison County, KY, Marion County, KY, Marshall County, KY, Mason County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Montgomery County, KY, Muhlenberg County, KY, Nelson County, KY, Nicholas County, KY, Ohio County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Rowan County, KY, Russell County, KY, Scott County, KY, Shelby County, KY, Simpson County, KY, Spencer County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Washington County, KY, Woodford County, KY, Alcorn County, MS, Benton County, MS, Bolivar County, MS, Coahoma County, MS, DeSoto County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Tate County, MS, Tippah County, MS, Tunica County, MS, Adams County, OH, Brown County, OH, Clermont County, OH, Highland County, OH, Benton County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Crockett County, TN, Davidson County, TN, Decatur County, TN, Dickson County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Lauderdale County, TN, Lewis County, TN, Macon County, TN, Madison County, TN, Maury County, TN, McNairy County, TN, Montgomery County, TN, Obion County, TN, Perry County, TN, Robertson County, TN, Shelby County, TN, Stewart County, TN, Sumner County, TN, Tipton County, TN, Trousdale County, TN, Wayne County, TN, Weakley County, TN, Williamson County, TN, Wilson County, TN
The radar
The Memphis radar (KNQA), 84 km from the middle of the area, began a volume at 23:45 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Little Rock, AR (KBYH), launched 12:00Z, 11.8 hours before the alert went out and 124 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
- 200 J/kg
- Mixed-layer CIN
- -240 J/kg
- Mixed-layer LCL
- 834 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 320 m²/s²
- 0-3 km storm-relative helicity
- 327 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 |
|---|---|---|---|---|
| Dec 17, 1:00 PM CST | Mesoscale Discussion | SPC | Craighead, Crittenden, Cross, Mississippi, Poinsett | 2 hr |
| Dec 17, 1:42 PM CST | Tornado Watch | SPC | Arkansas, Bradley, Clay, Cleveland, Craighead, Crittenden and 17 more | 7 hr |
| Dec 16, 10:42 PM CST | Mesoscale Discussion | SPC | Campbell, Greenup, Lewis | 5 hr |
| Dec 17, 5:32 PM CST | Mesoscale Discussion | SPC | Ballard, Crittenden, Henderson, Livingston, McCracken, Union | 6 hr |
Nearby
Mesoscale Discussions in Kentucky, 2016Mesoscale Discussions in Tennessee, 2016Mesoscale Discussions in Arkansas, 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.