Alert archive / Tennessee / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 124, NWS Nashville, TN

April 16, 1998DeKalb County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Apr 16, 1998, 8:11 AM CDT for DeKalb County, Tennessee. It was in force for 34 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 16, 1998, 8:11 AM CDT (13:11 UTC)
Expired: Apr 16, 1998, 8:45 AM CDT
In force: 34 min
Issued by: NWS Nashville, TN
Area: Whole counties

County DeKalb County, TN

The radar

The Nashville radar (KOHX), 72 km from the middle of the area, began a volume at 13:13 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 16, 7:00 AM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 1.2 hours before the alert went out and 71 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: 76 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 585 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 180 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

320 
WUUS1 KBNA 161312 RRA
SVRBNA
TNC041-161345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
811 AM CDT THU APR 16 1998

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DEKALB COUNTY IN MIDDLE TENNESSEE

* UNTIL 845 AM CDT

* AT 810 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES NORTHWEST OF SMITHVILLE... MOVING
  EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LIBERTY AT 812 AM CDT
  DOWELLTOWN AT 815 AM CDT
  CENTERHILL DAM AT 820 AM CDT

GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS A TORNADO
WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.


A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT FOR
RAPIDLY CHANGING WEATHER CONDITIONS.
BOYD

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 16, 1:30 AM CDT, 6 hours 41 minutes earlier.

Area forecast discussion, Apr 16, 1:30 AM CDT, 6 hours 41 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
130 AM CDT THU APR 16 1998

BEGINNING TO SEE EVIDENCE OF CAP BREAKG OVR MID TN AS SCT SHWRS/TSTMS
HAVE CURRENTLY ERUPTED ARD DOVER/CLARKSVILLE VCNTY.  AS NIGHT WEARS
ON...XPCT CNVCTV BNDRY TO SLIDE INTO NRN MID TN THEN GRDLLY DIMINISH AS
S/W CURRENTLY CROSSG MID MS VLY SHEARS OUT OVR GRTLKS.

VERY UNSTBL AND MOIST AMS PROGGED TO LINGER OVR MID-SOUTH TDY AND TNGT.
OUTFLOW BNDRY AND APPROACHG CDFNT WL HELP TO ACT AS FOCUSG MECHANISM
FOR CNVCTN. DUE TO STRENGTH OF MID LVL JET AND WET BULB ZERO BTWN 7-9K
FEET...TSTMS WL BE CAPABLE TO PRODUCE DAMAGING WNDS/LARGE HAIL. WOULD
RECOMMEND MENTIONING OF SVR IN FCST TEXT FOR TDY AND EARLY TNGT.

DUE TO OVERALL SLUGGISH MOVMNT OF SFC FNT...XPCT TO SEE PROLONG PERIODS
OF TSTMS WITH HVY RAIN. MOST OF NRN MID TN WL LIKELY BE SOAKED FM
CNVCTV LINE EXPCTD TO MOV INTO RGN BY 8-10Z THUS RUN-OFF PROBLEMS MAY
EXIST LATR TDY/TNGT. AM WILLIING TO LET DAY CREW ISSUE FFA AS AREA MAY
BE MORE DEFINITE BUT LOCALLY HEAVY RAIN NEEDS TO BE MENTIONED IN FCST
TEXT.
<
TEMPS DROP SHARPLY BEHIND BNDRY WHICH SHOULD LIE JUST SE OF BNA BY 12Z.
THUS SHOULD SEE WIDE TEMP VARIANCE 12Z/FRI WITH COLDER TEMPS OVR NW MID
TN. ATTM PREFER TEMPS SLGTLY WRMR THAN FAN GUID. WHILE SFC FNT SLOWLY
MOVS SEWD FRI...MID/UPR LVL TROF WL STILL BE TO OUR W...THUS XPCT OVC
SKIES AND PATCHES OF SHWRS/RA. WOULD GO A CAT COOLER THAN MOS FOR HIGH
FRI DUE TO LOW LVL CAA AND OVC SKIES.
09

BNA 75/57/62 785                         COOKEVILLE 74/60/62 687
                LAWRENCEBURG 78/60/63 785

In the hours before

Local storm report, Apr 16, 5:49 AM CDT, 2 hours 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
549 AM CDT THU APR 16 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0455 AM    DOVER                     TN   WIND DAMAGE
04/16/98   STEWART                        PUBLIC REPORTED A TREE
                                          DOWN ON HIGHWAY 49 BETWEEN
                                          DOVER AND CARLISLE

STEIGERWALDT

Local storm report, Apr 16, 5:49 AM CDT, 2 hours 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
549 AM CDT THU APR 16 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0455 AM    DOVER                     TN   WIND DAMAGE
04/16/98   STEWART                        PUBLIC REPORTED A TREE
                                          DOWN ON HIGHWAY 49 BETWEEN
                                          DOVER AND CARLISLE

STEIGERWALDT

Local storm report, Apr 16, 6:41 AM CDT, 1 hour 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
641 AM CDT THU APR 16 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0630 AM    HERMITAGE                 TN   1.75 INCH HAIL
04/16/98   DAVIDSON                       REPORTED BY NATIONAL
                                          WEATHER SERVICE EMPLOYEE

STEIGERWALDT

Local storm report, Apr 16, 7:52 AM CDT, 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
752 AM CDT THU APR 16 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0625 AM    HERMITAGE                 TN   .88 INCH HAIL
04/16/98   DAVIDSON                       REPORTED BY NATIONAL
                                          WEATHER SERVICE EMPLOYEE

0710 AM    DICKSON                   TN   TORNADO
04/16/98   DICKSON                        PUBLIC REPORTED POSSIBLE
                                          TORNADO ABOUT 1 MILE SOUTH
                                          OF DICKSON WITH ROOF OFF
                                          LARGE BUILDING...TRAILERS
                                          OVERTURNED AND PEOPLE
                                          TRAPPED

STEIGERWALDT

Local storm report, Apr 16, 7:52 AM CDT, 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
752 AM CDT THU APR 16 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0625 AM    HERMITAGE                 TN   .88 INCH HAIL
04/16/98   DAVIDSON                       REPORTED BY NATIONAL
                                          WEATHER SERVICE EMPLOYEE

0710 AM    DICKSON                   TN   TORNADO
04/16/98   DICKSON                        PUBLIC REPORTED POSSIBLE
                                          TORNADO ABOUT 1 MILE SOUTH
                                          OF DICKSON WITH ROOF OFF
                                          LARGE BUILDING...TRAILERS
                                          OVERTURNED AND PEOPLE
                                          TRAPPED

STEIGERWALDT

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 16, 4:23 AM CDT	Severe Thunderstorm Warning	OHX	Stewart	32 min
Apr 16, 4:31 AM CDT	Severe Thunderstorm Warning	OHX	Houston	34 min
Apr 16, 4:56 AM CDT	Severe Thunderstorm Warning	OHX	Dickson, Montgomery	34 min
Apr 16, 5:12 AM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Robertson	48 min
Apr 16, 5:35 AM CDT	Severe Thunderstorm Warning	OHX	Benton	35 min
Apr 16, 5:41 AM CDT	Tornado Warning	OHX	Robertson	34 min
Apr 16, 5:45 AM CDT	Tornado Warning	OHX	Benton	35 min
Apr 16, 5:54 AM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Dickson	36 min
Apr 16, 6:00 AM CDT	Tornado Warning	OHX	Sumner	35 min
Apr 16, 6:05 AM CDT	Severe Thunderstorm Warning	OHX	Wilson	50 min
Apr 16, 6:07 AM CDT	Severe Thunderstorm Warning	OHX	Davidson	33 min
Apr 16, 6:11 AM CDT	Tornado Warning	OHX	Cheatham	34 min
Apr 16, 6:15 AM CDT	Flash Flood Warning	OHX	Davidson	2 hr
Apr 16, 6:19 AM CDT	Tornado Warning	OHX	Davidson	36 min
Apr 16, 6:22 AM CDT	Tornado Warning	OHX	Rutherford, Wilson	48 min
Apr 16, 6:34 AM CDT	Tornado Warning	OHX	Sumner, Trousdale	46 min
Apr 16, 6:54 AM CDT	Severe Thunderstorm Warning	OHX	Smith, Wilson	51 min
Apr 16, 6:58 AM CDT	Severe Thunderstorm Warning	OHX	Davidson	47 min
Apr 16, 7:27 AM CDT	Tornado Warning	OHX	Davidson, Williamson	48 min
Apr 16, 7:39 AM CDT	Tornado Warning	OHX	DeKalb, Smith, Wilson	31 min
Apr 16, 7:51 AM CDT	Flash Flood Warning	OHX	Rutherford, Williamson	2 hr
Apr 16, 7:51 AM CDT	Flash Flood Warning	OHX	Smith, Wilson	2 hr
Apr 16, 8:04 AM CDT	Flash Flood Warning	OHX	Davidson	86 min
Apr 16, 8:12 AM CDT	Tornado Warning	OHX	Davidson, Rutherford, Williamson	33 min
Apr 16, 8:17 AM CDT	Severe Thunderstorm Warning	OHX	Putnam	33 min
Apr 16, 8:29 AM CDT	Severe Thunderstorm Warning	OHX	White	46 min
Apr 16, 8:35 AM CDT	Severe Thunderstorm Warning	OHX	Wilson	50 min
Apr 16, 8:50 AM CDT	Flash Flood Warning	OHX	Putnam, White	3 hr
Apr 16, 8:53 AM CDT	Severe Thunderstorm Warning	OHX	Smith	47 min
Apr 16, 8:58 AM CDT	Severe Thunderstorm Warning	OHX	Putnam	32 min
Apr 16, 9:02 AM CDT	Severe Thunderstorm Warning	OHX	Stewart	48 min
Apr 16, 9:33 AM CDT	Severe Thunderstorm Warning	OHX	Montgomery	47 min
Apr 16, 9:53 AM CDT	Tornado Warning	OHX	Bedford	32 min
Apr 16, 10:08 AM CDT	Severe Thunderstorm Warning	OHX	Cannon, Coffee, Rutherford	47 min
Apr 16, 10:18 AM CDT	Tornado Warning	OHX	Montgomery	32 min
Apr 16, 10:22 AM CDT	Tornado Warning	OHX	Robertson	48 min
Apr 16, 10:33 AM CDT	Severe Thunderstorm Warning	OHX	Benton, Decatur	47 min
Apr 16, 10:33 AM CDT	Severe Thunderstorm Warning	OHX	Humphreys	47 min
Apr 16, 10:42 AM CDT	Severe Thunderstorm Warning	OHX	Van Buren, Warren	33 min
Apr 16, 11:05 AM CDT	Tornado Warning	OHX	Sumner	40 min
Apr 16, 11:16 AM CDT	Severe Thunderstorm Warning	OHX	Dickson, Hickman	59 min
Apr 16, 11:31 AM CDT	Tornado Warning	OHX	Hickman	49 min
Apr 16, 11:38 AM CDT	Tornado Warning	OHX	Sumner	17 min
Apr 16, 11:42 AM CDT	Tornado Warning	OHX	Macon	48 min
Apr 16, 11:45 AM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Williamson	75 min
Apr 16, 11:51 AM CDT	Tornado Warning	OHX	Williamson	49 min
Apr 16, 12:12 PM CDT	Severe Thunderstorm Warning	OHX	Davidson	63 min
Apr 16, 12:30 PM CDT	Tornado Warning	OHX	Davidson, Rutherford, Williamson	50 min
Apr 16, 12:39 PM CDT	Flash Flood Warning	OHX	Davidson, Williamson	2 hr
Apr 16, 1:01 PM CDT	Tornado Warning	OHX	Wilson	44 min
Apr 16, 1:09 PM CDT	Tornado Warning	OHX	Cannon	31 min
Apr 16, 1:21 PM CDT	Tornado Warning	OHX	Rutherford	19 min
Apr 16, 1:29 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb	61 min
Apr 16, 1:41 PM CDT	Severe Thunderstorm Warning	OHX	Benton, Decatur	44 min
Apr 16, 1:43 PM CDT	Tornado Warning	OHX	DeKalb	32 min
Apr 16, 1:47 PM CDT	Severe Thunderstorm Warning	OHX	Humphreys	63 min
Apr 16, 2:09 PM CDT	Severe Thunderstorm Warning	OHX	Dickson	61 min
Apr 16, 2:14 PM CDT	Tornado Warning	OHX	Decatur	46 min
Apr 16, 2:19 PM CDT	Tornado Warning	OHX	Perry	51 min
Apr 16, 2:20 PM CDT	Tornado Warning	OHX	Humphreys	35 min
Apr 16, 2:35 PM CDT	Tornado Warning	OHX	Dickson	50 min
Apr 16, 2:49 PM CDT	Tornado Warning	OHX	Hickman	46 min
Apr 16, 2:57 PM CDT	Tornado Warning	OHX	Cheatham	48 min
Apr 16, 3:09 PM CDT	Tornado Warning	OHX	Davidson	61 min
Apr 16, 3:17 PM CDT	Severe Thunderstorm Warning	OHX	Humphreys	48 min
Apr 16, 3:20 PM CDT	Severe Thunderstorm Warning	OHX	Decatur, Perry	50 min
Apr 16, 3:24 PM CDT	Tornado Warning	OHX	Perry	51 min
Apr 16, 3:29 PM CDT	Severe Thunderstorm Warning	OHX	Benton	46 min
Apr 16, 3:32 PM CDT	Tornado Warning	OHX	Sumner, Wilson	63 min
Apr 16, 3:36 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery	64 min
Apr 16, 3:39 PM CDT	Severe Thunderstorm Warning	OHX	Williamson	46 min
Apr 16, 3:39 PM CDT	Severe Thunderstorm Warning	OHX	Wayne	46 min
Apr 16, 3:40 PM CDT	Tornado Warning	OHX	Hickman	65 min
Apr 16, 3:45 PM CDT	Tornado Warning	OHX	Dickson	50 min
Apr 16, 3:48 PM CDT	Tornado Warning	OHX	Williamson	47 min
Apr 16, 3:53 PM CDT	Tornado Warning	OHX	Trousdale	62 min
Apr 16, 4:04 PM CDT	Tornado Warning	OHX	Davidson	46 min
Apr 16, 4:08 PM CDT	Tornado Warning	OHX	Cheatham	32 min
Apr 16, 4:10 PM CDT	Tornado Warning	OHX	Decatur	50 min
Apr 16, 4:20 PM CDT	Tornado Warning	OHX	Smith	65 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.