Alert archive / Kentucky / Tornado Watches in 2016

Tornado Watch 162

May 10, 20165 counties in Illinois; 41 counties in Kentucky; 20 counties in Tennessee

The Storm Prediction Center issued this tornado watch at May 10, 2016, 5:06 PM CDT for 5 counties in Illinois; 41 counties in Kentucky; 20 counties in Tennessee. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 10, 2016, 5:06 PM CDT (22:06 UTC)
Expired
May 10, 2016, 11:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 66 counties

Gallatin County, IL, Hardin County, IL, Massac County, IL, Pope County, IL, Saline County, IL, Adair County, KY, Allen County, KY, Ballard County, KY, Barren County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Casey County, KY, Christian County, KY, Clinton County, KY, Crittenden County, KY, Cumberland County, KY, Daviess County, KY, Edmonson County, KY, Fulton County, KY, Graves County, KY, Grayson County, KY, Green County, KY, Hart County, KY, Henderson County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Metcalfe County, KY, Monroe County, KY, Muhlenberg County, KY, Ohio County, KY, Russell County, KY, Simpson County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Warren County, KY, Webster County, KY, Benton County, TN, Carroll County, TN, Cheatham County, TN, Clay County, TN, Davidson County, TN, Dickson County, TN, Dyer County, TN, Gibson County, TN, Henry County, TN, Houston County, TN, Humphreys County, TN, Lake County, TN, Macon County, TN, Montgomery County, TN, Obion County, TN, Robertson County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Weakley County, TN

The radar

The Ft Campbell radar (KHPX), 50 km from the middle of the area, began a volume at 22:07 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
50%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
5%
Ten or more severe hail reports
40%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
70%

Warnings issued inside it

64 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 10, 5:11 PM CDTTornado WarningPAHGallatin34 min
May 10, 5:14 PM CDTTornado WarningPAHGallatin, Hardin, Saline31 min
May 10, 5:15 PM CDTSevere Thunderstorm WarningLMKGreen, Hart, Taylor30 min
May 10, 5:16 PM CDTTornado WarningPAHHardin, Pope29 min
May 10, 5:20 PM CDTTornado WarningPAHDaviess, McLean, Muhlenberg29 min
May 10, 5:22 PM CDTTornado WarningPAHJohnson, Pope23 min
May 10, 5:24 PM CDTSevere Thunderstorm WarningLMKBoyle, Casey, Garrard, Lincoln, Marion, Taylor36 min
May 10, 5:24 PM CDTTornado WarningLMKOhio36 min
May 10, 5:42 PM CDTTornado WarningPAHHardin33 min
May 10, 5:44 PM CDTTornado Warning Tornado observedConsiderable damage threatPAHMuhlenberg31 min
May 10, 5:46 PM CDTSevere Thunderstorm WarningLMKCasey, Marion, Taylor29 min
May 10, 5:56 PM CDTSevere Thunderstorm WarningLMKGreen, Hart, Larue, Taylor22 min
May 10, 5:57 PM CDTTornado WarningPAHUnion33 min
May 10, 5:58 PM CDTSevere Thunderstorm WarningLMKButler, Ohio47 min
May 10, 6:00 PM CDTTornado WarningLMKCasey, Lincoln, Taylor15 min
May 10, 6:00 PM CDTTornado WarningPAHMuhlenberg18 min
May 10, 6:01 PM CDTTornado WarningLMKOhio13 min
May 10, 6:11 PM CDTTornado WarningPAHGallatin, Hardin34 min
May 10, 6:15 PM CDTSevere Thunderstorm WarningLMKCasey, Lincoln, Marion, Taylor30 min
May 10, 6:17 PM CDTTornado WarningLMKBreckinridge, Grayson, Ohio28 min
May 10, 6:23 PM CDTSevere Thunderstorm WarningPAHChristian37 min
May 10, 6:27 PM CDTSevere Thunderstorm WarningLMKAdair, Barren, Green, Hart, Metcalfe33 min
May 10, 6:32 PM CDTTornado WarningPAHCrittenden28 min
May 10, 6:36 PM CDTTornado WarningPAHCaldwell, Christian39 min
May 10, 6:40 PM CDTTornado WarningLMKBreckinridge, Grayson20 min
May 10, 6:46 PM CDTSevere Thunderstorm WarningLMKButler, Edmonson, Grayson29 min
May 10, 6:57 PM CDTSevere Thunderstorm WarningLMKAdair, Green33 min
May 10, 6:59 PM CDTSevere Thunderstorm WarningLMKAdair, Green, Taylor31 min
May 10, 7:01 PM CDTTornado WarningPAHChristian, Trigg29 min
May 10, 7:14 PM CDTTornado WarningPAHChristian46 min
May 10, 7:27 PM CDTSevere Thunderstorm WarningLMKAdair, Casey, Green, Russell, Taylor33 min
May 10, 7:28 PM CDTTornado Warning Tornado observedPAHChristian, Trigg47 min
May 10, 7:30 PM CDTSevere Thunderstorm WarningPAHChristian30 min
May 10, 7:31 PM CDTSevere Thunderstorm WarningLMKAdair, Cumberland, Metcalfe29 min
May 10, 7:41 PM CDTTornado WarningPAHChristian, Trigg34 min
May 10, 7:51 PM CDTTornado WarningLMKCasey, Russell24 min
May 10, 7:51 PM CDTSevere Thunderstorm WarningOHXMontgomery24 min
May 10, 7:52 PM CDTTornado Warning Tornado observedPAHChristian23 min
May 10, 7:58 PM CDTSevere Thunderstorm WarningLMKAdair, Cumberland, Metcalfe, Russell47 min
May 10, 7:59 PM CDTSevere Thunderstorm WarningLMKAdair, Casey, Lincoln, Russell46 min
May 10, 8:01 PM CDTTornado WarningOHXMontgomery29 min
May 10, 8:02 PM CDTSevere Thunderstorm WarningPAHTodd28 min
May 10, 8:08 PM CDTTornado Warning Tornado observedPAHChristian14 min
May 10, 8:17 PM CDTSevere Thunderstorm WarningPAHChristian13 min
May 10, 8:26 PM CDTTornado WarningOHXMontgomery34 min
May 10, 8:28 PM CDTSevere Thunderstorm WarningPAHTodd17 min
May 10, 8:31 PM CDTSevere Thunderstorm WarningMEGBenton, Henry44 min
May 10, 8:34 PM CDTSevere Thunderstorm WarningPAHChristian26 min
May 10, 8:41 PM CDTSevere Thunderstorm WarningOHXDickson, Houston, Montgomery, Stewart34 min
May 10, 8:44 PM CDTSevere Thunderstorm WarningLMKRussell31 min
May 10, 8:44 PM CDTTornado WarningPAHChristian31 min
May 10, 8:47 PM CDTSevere Thunderstorm WarningOHXMontgomery, Robertson28 min
May 10, 8:59 PM CDTSevere Thunderstorm WarningPAHChristian, Todd19 min
May 10, 9:06 PM CDTSevere Thunderstorm WarningOHXStewart24 min
May 10, 9:13 PM CDTSevere Thunderstorm WarningOHXCheatham, Dickson, Montgomery47 min
May 10, 9:18 PM CDTSevere Thunderstorm WarningOHXRobertson, Sumner27 min
May 10, 9:43 PM CDTSevere Thunderstorm WarningOHXRobertson, Sumner32 min
May 10, 9:51 PM CDTSevere Thunderstorm WarningOHXCheatham, Davidson, Montgomery, Robertson24 min
May 10, 10:05 PM CDTSevere Thunderstorm WarningOHXMontgomery, Robertson25 min
May 10, 10:12 PM CDTSevere Thunderstorm WarningOHXSumner33 min
May 10, 10:14 PM CDTSevere Thunderstorm WarningOHXCheatham, Davidson, Robertson, Sumner46 min
May 10, 10:40 PM CDTSevere Thunderstorm WarningOHXMacon, Sumner, Trousdale40 min
May 10, 10:41 PM CDTSevere Thunderstorm WarningLMKCasey, Lincoln34 min
May 10, 10:51 PM CDTSevere Thunderstorm WarningOHXCheatham, Davidson, Robertson, Sumner39 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

Nashville Metro, TN (KBNA), launched 12:00Z, 10.1 hours before the alert went out and 137 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.

Skew-T log-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2016-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 62 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2016-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 339 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
62 J/kg
Mixed-layer CIN
-131 J/kg
Mixed-layer LCL
818 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
339 m²/s²
0-3 km storm-relative helicity
332 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

964 
WWUS20 KWNS 102204
SEL2  
SPC WW 102204
ILZ000-INZ000-KYZ000-TNZ000-110400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 162
NWS STORM PREDICTION CENTER NORMAN OK
505 PM CDT TUE MAY 10 2016

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  FAR SOUTHEAST ILLINOIS
  FAR SOUTHWEST INDIANA
  WESTERN AND SOUTH-CENTRAL KENTUCKY
  NORTHWESTERN TENNESSEE

* EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 505 PM UNTIL
  1100 PM CDT.

* PRIMARY THREATS INCLUDE...
  A FEW TORNADOES POSSIBLE
  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
    INCHES IN DIAMETER POSSIBLE
  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

SUMMARY...WIDELY SCATTERED THUNDERSTORMS...INCLUDING A FEW
SUPERCELLS WITH A RISK FOR TORNADOES...LOCALLY DAMAGING WIND AND
HAIL...EXPECTED TO PERSIST OVER WATCH AREA THROUGH
MID-EVENING...WITH EASTWARD MOVEMENT / DEVELOPMENT EXPECTED OVER
TIME.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 105 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES EAST NORTHEAST OF
OWENSBORO KENTUCKY TO 40 MILES SOUTH SOUTHWEST OF CLARKSVILLE
TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 159...WW 160...

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 27030.


...CORFIDI

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 9, 8:16 PM CDTSevere Thunderstorm WatchSPCAlexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more6 hr
May 9, 9:42 PM CDTMesoscale DiscussionSPCAlexander, Hardin, Johnson, Massac, Pope, Pulaski and 2 more93 min
May 10, 7:01 AM CDTMesoscale DiscussionSPCFranklin, Gallatin, Hamilton, Jackson, Jefferson, Monroe and 9 more104 min
May 10, 12:59 PM CDTSevere Thunderstorm WatchSPCAlexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more9 hr
May 10, 3:08 PM CDTMesoscale DiscussionSPCAlexander, Massac, Pulaski67 min
May 10, 12:38 PM CDTMesoscale DiscussionSPCAnderson, Bath, Boone, Bourbon, Boyle, Bracken and 50 more67 min
May 10, 3:44 PM CDTMesoscale DiscussionSPCAdair, Allen, Anderson, Barren, Boone, Bourbon and 49 more61 min
May 10, 5:19 PM CDTMesoscale DiscussionSPCBoyd, Breathitt, Carter, Clay, Elliott, Estill and 23 more86 min
May 10, 5:52 PM CDTSevere Thunderstorm WatchSPCBath, Bell, Boyd, Breathitt, Carter, Clay and 31 more7 hr
May 10, 1:42 AM CDTMesoscale DiscussionSPCBenton, Carroll, Chester, Crockett, Dyer, Fayette and 10 more93 min

Nearby

Tornado Watches in Kentucky, 2016Tornado Watches in Tennessee, 2016Tornado Watches in Illinois, 2016Every tornado 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.