Alert archive / Kentucky / Severe Thunderstorm Watches in 2016
Severe Thunderstorm Watch 68
The Storm Prediction Center issued this severe thunderstorm watch at Mar 31, 2016, 10:58 AM CDT for 4 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 31, 2016, 10:58 AM CDT (15:58 UTC)
- Expired
- Mar 31, 2016, 4:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 57 counties
Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Jackson County, AR, Lee County, AR, Lonoke County, AR, Mississippi County, AR, Monroe County, AR, Poinsett County, AR, Prairie County, AR, St. Francis County, AR, White County, AR, Woodruff County, AR, Ballard County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Muhlenberg County, KY, Todd County, KY, Trigg County, KY, Webster County, KY, Dunklin County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Benton County, TN, Carroll County, TN, Chester County, TN, Crockett County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN
The radar
The Memphis radar (KNQA), 80 km from the middle of the area, began a volume at 15:58 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 10%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
26 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 10:59 AM CDT | Severe Thunderstorm Warning | MEG | Clay, Greene | 46 min |
| Mar 31, 11:02 AM CDT | Severe Thunderstorm Warning | LZK | Jackson, White, Woodruff | 43 min |
| Mar 31, 11:13 AM CDT | Severe Thunderstorm Warning | LZK | Lonoke, White | 32 min |
| Mar 31, 11:18 AM CDT | Severe Thunderstorm Warning | MEG | Craighead, Mississippi, Poinsett | 42 min |
| Mar 31, 11:24 AM CDT | Severe Thunderstorm Warning | PAH | New Madrid | 25 min |
| Mar 31, 11:30 AM CDT | Severe Thunderstorm Warning | MEG | Cross, Poinsett | 45 min |
| Mar 31, 11:55 AM CDT | Severe Thunderstorm Warning | MEG | Mississippi | 50 min |
| Mar 31, 11:56 AM CDT | Severe Thunderstorm Warning | PAH | Fulton | 22 min |
| Mar 31, 12:12 PM CDT | Severe Thunderstorm Warning | MEG | Crittenden, Cross, Mississippi, Poinsett | 48 min |
| Mar 31, 12:40 PM CDT | Severe Thunderstorm Warning | MEG | Crockett, Dyer, Gibson, Lauderdale | 34 min |
| Mar 31, 12:50 PM CDT | Severe Thunderstorm Warning | MEG | Mississippi | 40 min |
| Mar 31, 1:22 PM CDT | Severe Thunderstorm Warning | PAH | Caldwell, Crittenden, Hopkins, Webster | 27 min |
| Mar 31, 1:26 PM CDT | Severe Thunderstorm Warning | MEG | Fayette, Haywood, Shelby, Tipton | 49 min |
| Mar 31, 1:53 PM CDT | Severe Thunderstorm Warning | MEG | Fayette, Shelby | 37 min |
| Mar 31, 2:11 PM CDT | Severe Thunderstorm Warning | MEG | Fayette, Hardeman, Haywood, Madison | 49 min |
| Mar 31, 2:17 PM CDT | Severe Thunderstorm Warning | LZK | Jefferson, Lonoke | 43 min |
| Mar 31, 2:28 PM CDT | Severe Thunderstorm Warning | MEG | Fayette, Hardeman | 47 min |
| Mar 31, 2:44 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Jefferson, Lonoke, Monroe, Prairie | 46 min |
| Mar 31, 2:46 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Henderson, Madison | 44 min |
| Mar 31, 3:07 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Monroe, Prairie | 38 min |
| Mar 31, 3:24 PM CDT | Severe Thunderstorm Warning | PAH | Christian, Todd | 36 min |
| Mar 31, 3:25 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Decatur, Hardin, Henderson, McNairy | 50 min |
| Mar 31, 3:33 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Hardeman, McNairy | 42 min |
| Mar 31, 3:38 PM CDT | Tornado Warning | MEG | Decatur, Hardin, Henderson | 32 min |
| Mar 31, 3:39 PM CDT | Severe Thunderstorm Warning | MEG | Cross, Lee, Phillips, St. Francis | 51 min |
| Mar 31, 3:39 PM CDT | Tornado Warning | MEG | Decatur, Hardin, Henderson | 36 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Little Rock, AR (KBYH), launched 12:00Z, 4.0 hours before the alert went out and 138 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
- 866 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 556 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 7:44 PM CDT | Severe Thunderstorm Watch | SPC | Benton | 4 hr |
| Mar 30, 8:37 PM CDT | Mesoscale Discussion | SPC | Benton | 53 min |
| Mar 30, 8:39 PM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Chicot, Desha, Drew, Lincoln and 1 more | 96 min |
| Mar 30, 10:00 PM CDT | Tornado Watch | SPC | Ashley, Bradley, Chicot, Desha, Drew, Union | 6 hr |
| Mar 30, 11:30 PM CDT | Mesoscale Discussion | SPC | Chicot, Desha | 60 min |
| Mar 31, 10:26 AM CDT | Mesoscale Discussion | SPC | Arkansas, Cleveland, Craighead, Crittenden, Cross, Dallas and 14 more | 3 hr |
| Mar 31, 1:30 PM CDT | Mesoscale Discussion | SPC | Chicot | 2 hr |
| Mar 31, 2:05 PM CDT | Severe Thunderstorm Watch | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 7 more | 8 hr |
| Mar 31, 2:14 PM CDT | Mesoscale Discussion | SPC | Crittenden, Cross | 91 min |
| Mar 31, 2:35 PM CDT | Tornado Watch | SPC | Lee, Phillips | 7 hr |
| Mar 31, 3:48 PM CDT | Mesoscale Discussion | SPC | Logan, Simpson, Warren | 87 min |
| Mar 31, 3:59 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Allen, Barren, Casey, Clinton, Cumberland and 9 more | 5 hr |
| Mar 31, 5:09 PM CDT | Mesoscale Discussion | SPC | Ballard, Caldwell, Carlisle, Crittenden, Daviess, Graves and 10 more | 96 min |
| Mar 31, 5:49 PM CDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Boyle, Breathitt, Casey and 28 more | 56 min |
| Mar 31, 3:04 AM CDT | Mesoscale Discussion | SPC | Amite, Clarke, Copiah, Covington, Forrest, Franklin and 19 more | 86 min |
| Mar 31, 3:20 AM CDT | Tornado Watch | SPC | Amite, Covington, Forrest, Jasper, Jefferson Davis, Jones and 10 more | 6 hr |
| Mar 31, 7:47 AM CDT | Mesoscale Discussion | SPC | Covington, Forrest, Greene, Jefferson Davis, Jones, Lamar and 3 more | 58 min |
| Mar 31, 8:43 AM CDT | Tornado Watch | SPC | George, Greene, Perry, Stone | 5 hr |
| Mar 31, 3:30 PM CDT | Mesoscale Discussion | SPC | Amite, Covington, Forrest, Franklin, George, Greene and 13 more | 2 hr |
| Mar 31, 4:47 PM CDT | Mesoscale Discussion | SPC | Alcorn, Attala, Benton, Bolivar, Calhoun, Carroll and 55 more | 58 min |
| Mar 31, 5:58 PM CDT | Tornado Watch | SPC | Wayne | 7 hr |
| Mar 31, 6:52 PM CDT | Mesoscale Discussion | SPC | Alcorn, Calhoun, Chickasaw, Choctaw, Clarke, Clay and 29 more | 53 min |
| Mar 30, 10:48 PM CDT | Mesoscale Discussion | SPC | Dallas, Greene, Laclede, Lawrence, Newton, Polk and 1 more | 57 min |
| Mar 31, 12:36 PM CDT | Mesoscale Discussion | SPC | Saint Louis, City of Saint Louis | 84 min |
Nearby
Severe Thunderstorm Watches in Kentucky, 2016Severe Thunderstorm Watches in Tennessee, 2016Severe Thunderstorm Watches in Arkansas, 2016Every severe thunderstorm watch 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.