Alert archive / Tennessee / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 58, NWS Nashville, TN

April 8, 1998Jackson County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Apr 8, 1998, 3:52 AM CDT for Jackson County, Tennessee. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 8, 1998, 3:52 AM CDT (08:52 UTC)
Expired: Apr 8, 1998, 4:45 AM CDT
In force: 53 min
Issued by: NWS Nashville, TN
Area: Whole counties

County Jackson County, TN

The radar

The Nashville radar (KOHX), 81 km from the middle of the area, began a volume at 08:55 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 8, 2:00 AM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 8.9 hours before the alert went out and 87 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: 441 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 1130 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 246 m²/s²
0-3 km storm-relative helicity: 370 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 12.6

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Nashville, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 8, 1:50 AM CDT, 2 hours 2 minutes earlier.

Area forecast discussion, Apr 8, 1:50 AM CDT, 2 hours 2 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
150 AM CDT WED APR 8 1998

LN OF SHWRS/TSTMS MOVG INTO NW FA ZNS COINCIDG NICELY WITH SFC MSTR
CNVGNC/SURGE OF HIER DWPT AIR.  SUSPECT WITH DWPTS ROUGHLY 60-65 ACRS
FA AND VWP DATA...STUFF WL HOLD TOGTHR THRU 12Z.  SOME STRMS LEANG AND
WITH STRNG LO-LVL JET...BLV WND DAMAGE CUD OCCUR LCLLY...SPCLY ACRS
NRN CNTYS.  PSBLY ISOLD TOR.

BLV WE WILL SEE A LULL THRU LATE MRNG BUT JET STRUCTURE AND UPR DYNAMICS
BECM AGAIN FAVRBL FOR SVR TSTMS LATE THIS AFTN...NOT TO MENTION AFFECTS
FM HEATG.  SUSPECT HOWEVR WITH SOMEWHAT LIMITD DEEP MSTR...TSTMS WL BE
SCT IN NATURE THRU 00Z.  CURRNT ZNS SEEM FINE WITH 60%.

XPCT MN CDFNT WL REACH BNA VCNTY ARND 12Z AND WUD ALSO ANTICIPATE FAIRLY
HI POPS TNGT AS DEEP MSTR POOLS JUST AHEAD.  SVR POTENTIAL MAY EXTEND
INTO LATE EVENG BUT BLV BETTR INGREDIENTS FOR SVR WX WL BE E OF AREA
06Z DESPITE MSTR ON LEADG EGDE OF CDFNT.

FEW SHWRS MAY WRAP-ARND BACK SIDE OF LO THU. 07

BNA 77/53/64 583

The office that day

Everything else NWS Nashville, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 8, 2:52 AM CDT	Severe Thunderstorm Warning	OHX	Davidson	38 min
Apr 8, 3:25 AM CDT	Severe Thunderstorm Warning	OHX	Wilson	35 min
Apr 8, 3:41 AM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Wilson	49 min
Apr 8, 4:07 AM CDT	Severe Thunderstorm Warning	OHX	Lawrence	38 min
Apr 8, 4:12 AM CDT	Severe Thunderstorm Warning	OHX	Overton	33 min
Apr 8, 4:30 AM CDT	Severe Thunderstorm Warning	OHX	White	45 min
Apr 8, 10:19 AM CDT	Severe Thunderstorm Warning	OHX	Decatur	46 min
Apr 8, 11:01 AM CDT	Severe Thunderstorm Warning	OHX	Benton	29 min
Apr 8, 11:26 AM CDT	Severe Thunderstorm Warning	OHX	Wayne	49 min
Apr 8, 11:31 AM CDT	Severe Thunderstorm Warning	OHX	Stewart	34 min
Apr 8, 11:42 AM CDT	Severe Thunderstorm Warning	OHX	Smith, Wilson	48 min
Apr 8, 11:42 AM CDT	Severe Thunderstorm Warning	OHX	Hickman	33 min
Apr 8, 11:46 AM CDT	Severe Thunderstorm Warning	OHX	Montgomery	29 min
Apr 8, 11:51 AM CDT	Severe Thunderstorm Warning	OHX	Lawrence	39 min
Apr 8, 12:03 PM CDT	Severe Thunderstorm Warning	OHX	Lewis	27 min
Apr 8, 12:09 PM CDT	Severe Thunderstorm Warning	OHX	Jackson	51 min
Apr 8, 12:17 PM CDT	Severe Thunderstorm Warning	OHX	Overton	28 min
Apr 8, 12:25 PM CDT	Tornado Warning	OHX	Giles, Lawrence	50 min
Apr 8, 12:39 PM CDT	Severe Thunderstorm Warning	OHX	Overton	36 min
Apr 8, 12:46 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Wilson	44 min
Apr 8, 1:00 PM CDT	Severe Thunderstorm Warning	OHX	Lincoln	45 min
Apr 8, 1:42 PM CDT	Severe Thunderstorm Warning	OHX	Franklin, Moore	48 min
Apr 8, 1:51 PM CDT	Severe Thunderstorm Warning	OHX	Grundy, Warren	39 min
Apr 8, 1:59 PM CDT	Severe Thunderstorm Warning	OHX	Sequatchie, Van Buren	31 min
Apr 8, 2:08 PM CDT	Severe Thunderstorm Warning	OHX	Bledsoe	52 min
Apr 8, 2:17 PM CDT	Tornado Warning	OHX	Bledsoe, Van Buren	43 min
Apr 8, 5:26 PM CDT	Severe Thunderstorm Warning	OHX	Decatur, Perry, Wayne	64 min
Apr 8, 5:45 PM CDT	Tornado Warning	OHX	Wayne	50 min
Apr 8, 6:00 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Lewis	45 min
Apr 8, 6:21 PM CDT	Severe Thunderstorm Warning	OHX	Maury	69 min
Apr 8, 6:29 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Wayne	61 min
Apr 8, 6:41 PM CDT	Tornado Warning	OHX	Lawrence	34 min
Apr 8, 6:45 PM CDT	Severe Thunderstorm Warning	OHX	Giles	45 min
Apr 8, 6:56 PM CDT	Severe Thunderstorm Warning	OHX	Marshall	64 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1998 Every severe thunderstorm warning 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.