Alert archive / Tennessee / Tornado Watches in 1999

Tornado Watch 13

January 17, 1999Hardin County, Illinois; 33 counties in Kentucky; 43 counties in Tennessee

The Storm Prediction Center issued this tornado watch at Jan 17, 1999, 6:30 PM CST for Hardin County, Illinois; 33 counties in Kentucky; 43 counties in Tennessee. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jan 17, 1999, 6:30 PM CST (00:30 UTC)
Expired
Jan 18, 1999, 12:00 AM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 77 counties

Hardin County, IL, Adair County, KY, Allen County, KY, Barren County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Christian County, KY, Crittenden County, KY, Cumberland County, KY, Edmonson County, KY, Grayson County, KY, Green County, KY, Hardin County, KY, Hart County, KY, Hopkins County, KY, Larue County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Marion County, KY, Marshall County, KY, McLean County, KY, Metcalfe County, KY, Monroe County, KY, Muhlenberg County, KY, Ohio County, KY, Simpson County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Warren County, KY, Webster County, KY, Bedford County, TN, Benton County, TN, Cannon County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Clay County, TN, Coffee County, TN, Davidson County, TN, Decatur County, TN, DeKalb County, TN, Dickson County, TN, Franklin County, TN, Giles County, TN, Grundy County, TN, Hardin County, TN, Henderson County, TN, Henry County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Macon County, TN, Marshall County, TN, Maury County, TN, McNairy County, TN, Montgomery County, TN, Moore County, TN, Perry County, TN, Putnam County, TN, Robertson County, TN, Rutherford County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Warren County, TN, Wayne County, TN, Williamson County, TN, Wilson County, TN

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jan 17, 6:31 PM CSTSevere Thunderstorm WarningMEGCarroll, Henry49 min
Jan 17, 6:35 PM CSTSevere Thunderstorm WarningPAHHardin, Saline55 min
Jan 17, 6:35 PM CSTSevere Thunderstorm WarningPAHCrittenden, Lyon55 min
Jan 17, 6:35 PM CSTTornado WarningMEGHenderson50 min
Jan 17, 6:38 PM CSTTornado WarningMEGCarroll47 min
Jan 17, 6:40 PM CSTSevere Thunderstorm WarningMEGChester35 min
Jan 17, 6:45 PM CSTSevere Thunderstorm WarningPAHCaldwell, Trigg60 min
Jan 17, 6:47 PM CSTTornado WarningOHXDecatur63 min
Jan 17, 6:53 PM CSTSevere Thunderstorm WarningMEGMcNairy62 min
Jan 17, 6:56 PM CSTSevere Thunderstorm WarningOHXHouston, Stewart59 min
Jan 17, 7:01 PM CSTTornado WarningMEGChester, McNairy49 min
Jan 17, 7:02 PM CSTTornado WarningOHXBenton63 min
Jan 17, 7:10 PM CSTTornado WarningOHXHumphreys, Perry65 min
Jan 17, 7:14 PM CSTSevere Thunderstorm WarningPAHChristian, Hopkins56 min
Jan 17, 7:23 PM CSTSevere Thunderstorm WarningMEGHardin62 min
Jan 17, 7:28 PM CSTTornado WarningOHXMontgomery62 min
Jan 17, 7:29 PM CSTSevere Thunderstorm WarningPAHMuhlenberg, Todd61 min
Jan 17, 7:31 PM CSTTornado WarningOHXHickman, Lewis64 min
Jan 17, 7:34 PM CSTSevere Thunderstorm WarningOHXWayne61 min
Jan 17, 7:34 PM CSTSevere Thunderstorm WarningOHXDickson61 min
Jan 17, 7:38 PM CSTFlash Flood WarningMEGHardeman, McNairy3 hr
Jan 17, 7:45 PM CSTSevere Thunderstorm WarningLMKButler, Logan30 min
Jan 17, 7:45 PM CSTTornado WarningOHXRobertson45 min
Jan 17, 7:48 PM CSTTornado WarningMEGHardin47 min
Jan 17, 7:51 PM CSTSevere Thunderstorm WarningOHXMaury, Williamson64 min
Jan 17, 7:51 PM CSTSevere Thunderstorm WarningOHXCheatham, Davidson64 min
Jan 17, 7:56 PM CSTSevere Thunderstorm WarningLMKOhio29 min
Jan 17, 8:02 PM CSTTornado WarningOHXDavidson48 min
Jan 17, 8:03 PM CSTSevere Thunderstorm WarningLMKSimpson, Warren32 min
Jan 17, 8:03 PM CSTSevere Thunderstorm WarningLMKSimpson, Warren27 min
Jan 17, 8:05 PM CSTTornado WarningOHXMaury65 min
Jan 17, 8:10 PM CSTSevere Thunderstorm WarningLMKButler20 min
Jan 17, 8:15 PM CSTTornado WarningOHXSumner, Wilson50 min
Jan 17, 8:17 PM CSTSevere Thunderstorm WarningOHXGiles, Marshall, Rutherford63 min
Jan 17, 8:17 PM CSTSevere Thunderstorm WarningOHXWilson63 min
Jan 17, 8:17 PM CSTSevere Thunderstorm WarningOHXLawrence63 min
Jan 17, 8:23 PM CSTSevere Thunderstorm WarningLMKGrayson37 min
Jan 17, 8:30 PM CSTTornado WarningOHXWayne50 min
Jan 17, 8:36 PM CSTSevere Thunderstorm WarningOHXMacon, Smith, Trousdale64 min
Jan 17, 8:36 PM CSTSevere Thunderstorm WarningOHXBedford64 min
Jan 17, 8:36 PM CSTSevere Thunderstorm WarningOHXCannon64 min
Jan 17, 8:52 PM CSTTornado WarningOHXLawrence48 min
Jan 17, 8:59 PM CSTSevere Thunderstorm WarningOHXCoffee, Warren61 min
Jan 17, 8:59 PM CSTSevere Thunderstorm WarningOHXJackson, Putnam61 min
Jan 17, 8:59 PM CSTSevere Thunderstorm WarningOHXClay61 min
Jan 17, 9:09 PM CSTSevere Thunderstorm WarningLMKAdair, Green, Metcalfe36 min
Jan 17, 9:09 PM CSTSevere Thunderstorm WarningLMKTaylor36 min
Jan 17, 9:25 PM CSTSevere Thunderstorm WarningLMKCumberland35 min
Jan 17, 9:28 PM CSTSevere Thunderstorm WarningOHXGiles, Marshall57 min
Jan 17, 9:35 PM CSTTornado WarningOHXGiles, Lincoln, Marshall50 min
Jan 17, 9:52 PM CSTSevere Thunderstorm WarningOHXBedford, Lincoln, Moore63 min
Jan 17, 10:24 PM CSTSevere Thunderstorm WarningOHXCoffee36 min
Jan 17, 10:42 PM CSTFlash Flood WarningOHXCoffee, Grundy, Warren93 min
Jan 17, 11:37 PM CSTSevere Thunderstorm WarningOHXFranklin, Grundy48 min

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.5 hours before the alert went out and 74 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 00:00Z on 1999-01-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 687 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 00:00Z on 1999-01-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 352 square meters per square second.1939587897Sfc1 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
687 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
598 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
352 m²/s²
0-3 km storm-relative helicity
343 m²/s²
Significant tornado parameter
1.4
Supercell composite
7.9

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 17, 9:30 PM CSTSevere Thunderstorm WatchSPCAdair, Bell, Boyle, Casey, Clay, Clinton and 16 more7 hr
Jan 18, 1:15 AM CSTSevere Thunderstorm WatchSPCBlount, Bradley, Loudon, McMinn, Monroe, Polk and 1 more6 hr

Nearby

Tornado Watches in Tennessee, 1999Tornado Watches in Kentucky, 1999Tornado Watches in Illinois, 1999Every tornado watch in 1999

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.