Alert archive / Kentucky / Tornado Watches in 1999

Tornado Watch 218

May 5, 1999Perry County, Spencer County, Indiana; 34 counties in Kentucky; 30 counties in Tennessee

The Storm Prediction Center issued this tornado watch at May 5, 1999, 6:45 PM EST for Perry County, Spencer County, Indiana; 34 counties in Kentucky; 30 counties in Tennessee. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: May 5, 1999, 6:45 PM EST (23:45 UTC)
Expired: May 6, 1999, 12:00 AM EST
In force: 5 hr
Issued by: the Storm Prediction Center

All 66 counties

Perry County, IN, Spencer County, IN, Allen County, KY, Anderson County, KY, Barren County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Christian County, KY, Daviess County, KY, Edmonson County, KY, Grayson County, KY, Green County, KY, Hancock County, KY, Hardin County, KY, Hart County, KY, Hopkins County, KY, Larue County, KY, Logan County, KY, Marion County, KY, McLean County, KY, Meade County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Muhlenberg County, KY, Nelson County, KY, Ohio 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, Benton County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Davidson County, TN, Decatur County, TN, Dickson County, TN, Giles County, TN, Hardeman County, TN, Hardin County, TN, Henderson County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Lawrence County, TN, Lewis County, TN, Macon County, TN, Marshall County, TN, Maury County, TN, McNairy County, TN, Montgomery County, TN, Perry County, TN, Robertson County, TN, Rutherford County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Wayne County, TN, Williamson County, TN, Wilson County, TN

The radar

The Ft Campbell radar (KHPX), 56 km from the middle of the area, began a volume at 23:41 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.

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 5, 6:47 PM EST	Severe Thunderstorm Warning	LMK	Hancock, Ohio	28 min
May 5, 6:53 PM EST	Tornado Warning	OHX	Montgomery	32 min
May 5, 6:54 PM EST	Tornado Warning	MEG	Hardeman, Madison	36 min
May 5, 6:57 PM EST	Severe Thunderstorm Warning	PAH	Spencer	33 min
May 5, 7:20 PM EST	Severe Thunderstorm Warning	LMK	Perry	45 min
May 5, 7:40 PM EST	Tornado Warning	MEG	McNairy	35 min
May 5, 7:44 PM EST	Tornado Warning	LMK	Perry	31 min
May 5, 7:44 PM EST	Severe Thunderstorm Warning	MEG	Chester	31 min
May 5, 7:49 PM EST	Severe Thunderstorm Warning	MEG	Hardin	46 min
May 5, 7:52 PM EST	Tornado Warning	OHX	Decatur, Perry	63 min
May 5, 8:10 PM EST	Severe Thunderstorm Warning	MEG	Carroll, Henderson	50 min
May 5, 8:14 PM EST	Severe Thunderstorm Warning	OHX	Wayne	31 min
May 5, 8:20 PM EST	Tornado Warning	OHX	Benton, Humphreys	50 min
May 5, 8:36 PM EST	Severe Thunderstorm Warning	OHX	Lawrence	49 min
May 5, 8:39 PM EST	Severe Thunderstorm Warning	OHX	Hickman, Lewis	46 min
May 5, 8:56 PM EST	Severe Thunderstorm Warning	OHX	Giles, Maury	59 min
May 5, 9:08 PM EST	Severe Thunderstorm Warning	OHX	Dickson, Williamson	57 min
May 5, 9:08 PM EST	Severe Thunderstorm Warning	OHX	Houston	57 min
May 5, 9:19 PM EST	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Montgomery, Robertson	56 min
May 5, 9:24 PM EST	Severe Thunderstorm Warning	OHX	Bedford, Marshall, Rutherford	46 min
May 5, 9:40 PM EST	Tornado Warning	OHX	Davidson	30 min
May 5, 9:46 PM EST	Severe Thunderstorm Warning	OHX	Sumner, Trousdale, Wilson	49 min
May 5, 9:58 PM EST	Flash Flood Warning	OHX	Benton, Decatur, Houston, Humphreys, Perry, Stewart	6 hr
May 5, 9:58 PM EST	Flash Flood Warning	OHX	Cheatham, Davidson, Dickson, Montgomery, Robertson, Williamson	6 hr
May 5, 9:58 PM EST	Flash Flood Warning	OHX	Marshall, Rutherford, Wilson	6 hr
May 5, 9:58 PM EST	Flash Flood Warning	OHX	Lawrence, Lewis, Wayne	6 hr
May 5, 9:58 PM EST	Flash Flood Warning	OHX	Sumner	6 hr
May 5, 9:58 PM EST	Flash Flood Warning	OHX	Giles, Hickman, Maury	6 hr
May 5, 10:07 PM EST	Tornado Warning	OHX	Sumner	48 min
May 5, 10:13 PM EST	Severe Thunderstorm Warning	LMK	Allen, Simpson	32 min
May 5, 10:13 PM EST	Flash Flood Warning	PAH	Todd	107 min
May 5, 10:21 PM EST	Tornado Warning	OHX	Macon, Trousdale	49 min
May 5, 10:35 PM EST	Severe Thunderstorm Warning	LMK	Monroe	35 min
May 5, 11:15 PM EST	Tornado Warning	LMK	Logan	35 min

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 11.8 hours before the alert went out and 279 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 72 J/kg
Mixed-layer CIN: -256 J/kg
Mixed-layer LCL: 1942 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 77 m²/s²
0-3 km storm-relative helicity: 244 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.0

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.

Issued	Product	Office	Counties	Lasted
May 5, 3:00 PM EST	Tornado Watch	SPC	Brown, Clay, Daviess, Dubois, Gibson, Greene and 22 more	6 hr
May 5, 2:00 PM EST	Tornado Watch	SPC	Crockett, Dyer, Fayette, Gibson, Haywood, Henry and 7 more	7 hr

Nearby

Tornado Watches in Kentucky, 1999 Tornado Watches in Tennessee, 1999 Tornado Watches in Indiana, 1999 Every 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; radar from the NEXRAD Level II archive.