Alert archive / Tennessee / Tornado Watches in 1998

Tornado Watch 157

April 3, 19984 states

The Storm Prediction Center issued this tornado watch at Apr 3, 1998, 12:45 PM CST for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Apr 3, 1998, 12:45 PM CST (18:45 UTC)
Expired: Apr 3, 1998, 7:00 PM CST
In force: 6 hr
Issued by: the Storm Prediction Center

All 62 counties

Massac County, IL, Pulaski County, IL, Allen County, KY, Ballard County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Edmonson County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, Muhlenberg County, KY, Simpson County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Mississippi County, MO, 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, Giles 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, Lake County, TN, Lauderdale County, TN, Lawrence County, TN, Lewis 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, Wayne County, TN, Weakley County, TN, Williamson County, TN

The radar

The Paducah radar (KPAH), 133 km from the middle of the area, began a volume at 18:47 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
Apr 3, 12:49 PM CST	Tornado Warning	MEG	Henry	31 min
Apr 3, 12:56 PM CST	Severe Thunderstorm Warning	OHX	Benton, Humphreys	49 min
Apr 3, 1:11 PM CST	Tornado Warning	OHX	Benton, Humphreys	49 min
Apr 3, 1:21 PM CST	Tornado Warning	OHX	Stewart	49 min
Apr 3, 1:37 PM CST	Tornado Warning	OHX	Houston	33 min
Apr 3, 1:50 PM CST	Tornado Warning	OHX	Dickson, Humphreys	45 min
Apr 3, 1:50 PM CST	Tornado Warning	OHX	Montgomery	45 min
Apr 3, 2:10 PM CST	Tornado Warning	OHX	Cheatham	35 min
Apr 3, 2:18 PM CST	Severe Thunderstorm Warning	OHX	Giles, Marshall	62 min
Apr 3, 2:23 PM CST	Tornado Warning	OHX	Robertson	62 min
Apr 3, 2:30 PM CST	Severe Thunderstorm Warning	MEG	Lauderdale	45 min
Apr 3, 2:37 PM CST	Severe Thunderstorm Warning	MEG	Tipton	48 min
Apr 3, 2:46 PM CST	Tornado Warning	OHX	Sumner	64 min
Apr 3, 2:47 PM CST	Severe Thunderstorm Warning	MEG	Fayette, Haywood	33 min
Apr 3, 3:03 PM CST	Severe Thunderstorm Warning	OHX	Cheatham, Hickman, Williamson	62 min
Apr 3, 3:19 PM CST	Severe Thunderstorm Warning	OHX	Davidson	61 min
Apr 3, 3:20 PM CST	Severe Thunderstorm Warning	MEG	Fayette, Hardeman, Haywood	30 min
Apr 3, 3:26 PM CST	Severe Thunderstorm Warning	MEG	Dyer, Gibson	34 min
Apr 3, 3:34 PM CST	Severe Thunderstorm Warning	OHX	Giles	31 min
Apr 3, 3:37 PM CST	Severe Thunderstorm Warning	OHX	Maury, Williamson	48 min
Apr 3, 3:48 PM CST	Tornado Warning	OHX	Davidson, Sumner	47 min
Apr 3, 3:56 PM CST	Severe Thunderstorm Warning	MEG	Chester, Henderson	34 min
Apr 3, 4:02 PM CST	Severe Thunderstorm Warning	OHX	Hickman	33 min
Apr 3, 4:11 PM CST	Severe Thunderstorm Warning	MEG	Hardin, McNairy	44 min
Apr 3, 4:30 PM CST	Severe Thunderstorm Warning	PAH	Christian, Trigg	30 min
Apr 3, 4:42 PM CST	Severe Thunderstorm Warning	OHX	Wayne	48 min
Apr 3, 4:49 PM CST	Severe Thunderstorm Warning	OHX	Maury	46 min
Apr 3, 5:04 PM CST	Severe Thunderstorm Warning	OHX	Montgomery	46 min
Apr 3, 5:07 PM CST	Severe Thunderstorm Warning	OHX	Lawrence, Lewis	48 min
Apr 3, 5:14 PM CST	Severe Thunderstorm Warning	OHX	Dickson, Hickman, Humphreys	51 min
Apr 3, 5:20 PM CST	Severe Thunderstorm Warning	OHX	Giles, Maury	50 min
Apr 3, 5:26 PM CST	Severe Thunderstorm Warning	OHX	Williamson	49 min
Apr 3, 6:01 PM CST	Severe Thunderstorm Warning	OHX	Robertson	49 min
Apr 3, 6:42 PM CST	Severe Thunderstorm Warning	OHX	Sumner	48 min

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.8 hours before the alert went out and 171 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 888 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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
Apr 3, 4:00 PM CST	Tornado Watch	SPC	Adair, Bell, Boyle, Breathitt, Casey, Clay and 28 more	5 hr
Apr 2, 9:00 PM CST	Severe Thunderstorm Watch	SPC	Barry, Barton, Christian, Dade, Greene, Jasper and 6 more	6 hr
Apr 3, 11:30 AM CST	Severe Thunderstorm Watch	SPC	Dunklin	7 hr
Apr 3, 1:00 PM CST	Tornado Watch	SPC	Anderson, Bedford, Bledsoe, Blount, Bradley, Campbell and 37 more	6 hr
Apr 3, 5:00 PM CST	Severe Thunderstorm Watch	SPC	Carter, Cocke, Grainger, Greene, Hamblen, Hancock and 7 more	6 hr

Nearby

Tornado Watches in Tennessee, 1998 Tornado Watches in Kentucky, 1998 Tornado Watches in Illinois, 1998 Every tornado watch in 1998

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.