Alert archive / Tennessee / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 277, NWS Nashville, TN

June 9, 1998DeKalb County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at Jun 9, 1998, 9:35 PM CDT for DeKalb County, Tennessee. It was in force for 30 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 9, 1998, 9:35 PM CDT (02:35 UTC)
Expired: Jun 9, 1998, 10:05 PM CDT
In force: 30 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 02:35 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.

What was reported inside it

Time	Report	Where	Remark
Jun 9, 9:45 PM CDT	Hail 1.75	Smithville, TN	Golf ball size hail was reported. News article mentioned 70 cars and 17 homes were damaged by the hailstorm. The wind driven hailstones caused holes in the siding of homes.
Jun 9, 9:45 PM CDT	Thunderstorm Wind 50	Smithville, TN	Newspaper account of a large tree uprooted in Smithville.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 2.6 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: 3243 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 864 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 123 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 7.6

Open this sounding in Storm Lab

The text

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

805 
WUUS1 KBNA 100236 RRA
SVRBNA
TNC041-100305-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
935 PM CDT TUE JUN 9 1998

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

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

* UNTIL 1005 PM CDT

* AT 930 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM 4 MILES WEST OF SMITHVILLE MOVING EAST AT
  45 MPH.

* SEVERE THUNDERSTORM WILL BE NEAR...
  SMITHVILLE BY 940 PM CDT
  CASSVILLE AT 1000 PM CDT

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS

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 Jun 9, 8:38 PM CDT, 57 minutes earlier.

Area forecast discussion, Jun 9, 8:38 PM CDT, 57 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
838 PM CDT TUE JUN 9 1998

NO FCST CHANGES TO RECOMMEND.

In the hours before

Local storm report, Jun 9, 5:07 PM CDT, 4 hours 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
507 PM CDT TUE JUN 09 1998

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

0504 PM    CAGLE                     TN   WIND DAMAGE
06/09/98   SEQUATCHIE                     TREES AND POWER LINES DOWN
                                          IN THE CAGLE MOUNTAIN
                                          AREA.

Local storm report, Jun 9, 8:31 PM CDT, 1 hour 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TENNESSEE
831 PM CDT TUE JUN 09 1998

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

0626 PM    WAYNESBORO                TN   .75 INCH HAIL
06/09/98   WAYNE

Local storm report, Jun 9, 8:31 PM CDT, 1 hour 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TENNESSEE
831 PM CDT TUE JUN 09 1998

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

0626 PM    WAYNESBORO                TN   .75 INCH HAIL
06/09/98   WAYNE

Local storm report, Jun 9, 8:45 PM CDT, 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TENNESSEE
845 PM CDT TUE JUN 09 1998

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

0635 PM    BRACE                     TN   .75 INCH HAIL
06/09/98   LAWRENCE

Local storm report, Jun 9, 8:55 PM CDT, 40 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TENNESSEE
855 PM CDT TUE JUN 09 1998

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

0635 PM    BRACE                     TN   .75 INCH HAIL
06/09/98   LAWRENCE

0755 PM    SHELBYVILLE               TN   1.75 INCH HAIL
06/09/98   BEDFORD

Local storm report, Jun 9, 8:55 PM CDT, 40 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TENNESSEE
855 PM CDT TUE JUN 09 1998

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

0635 PM    BRACE                     TN   .75 INCH HAIL
06/09/98   LAWRENCE

0755 PM    SHELBYVILLE               TN   1.75 INCH HAIL
06/09/98   BEDFORD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 7:40 PM CDT	Severe Thunderstorm Warning	OHX	Marshall	20 min
Jun 9, 7:47 PM CDT	Severe Thunderstorm Warning	OHX	Bedford	48 min
Jun 10, 8:49 AM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Montgomery, Robertson	46 min
Jun 10, 9:12 AM CDT	Severe Thunderstorm Warning	OHX	Davidson	33 min
Jun 10, 9:24 AM CDT	Severe Thunderstorm Warning	OHX	Sumner, Wilson	46 min
Jun 10, 9:55 AM CDT	Flash Flood Warning	OHX	Montgomery, Stewart	2 hr
Jun 10, 9:55 AM CDT	Flash Flood Warning	OHX	Robertson, Sumner	2 hr
Jun 10, 10:14 AM CDT	Severe Thunderstorm Warning	OHX	DeKalb, Putnam, Smith	46 min
Jun 10, 10:14 AM CDT	Severe Thunderstorm Warning	OHX	White	46 min
Jun 10, 10:32 AM CDT	Flash Flood Warning	OHX	DeKalb, Putnam, White	3 hr
Jun 10, 10:32 AM CDT	Flash Flood Warning	OHX	Macon, Smith, Trousdale, Wilson	3 hr
Jun 10, 10:32 AM CDT	Flash Flood Warning	OHX	Cheatham, Davidson	3 hr
Jun 10, 10:32 AM CDT	Flash Flood Warning	OHX	Jackson	3 hr
Jun 10, 10:39 AM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Robertson	46 min
Jun 10, 10:41 AM CDT	Severe Thunderstorm Warning	OHX	Sumner, Wilson	34 min
Jun 10, 10:59 AM CDT	Severe Thunderstorm Warning	OHX	Putnam	36 min
Jun 10, 11:11 AM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Williamson	49 min
Jun 10, 11:19 AM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Dickson	51 min
Jun 10, 12:04 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Coffee	31 min
Jun 10, 12:12 PM CDT	Severe Thunderstorm Warning	OHX	Warren	48 min
Jun 10, 12:42 PM CDT	Flash Flood Warning	OHX	Bledsoe, Sequatchie, Van Buren, Warren	2 hr
Jun 10, 12:42 PM CDT	Flash Flood Warning	OHX	Coffee, Grundy	2 hr
Jun 10, 12:48 PM CDT	Severe Thunderstorm Warning	OHX	Grundy	52 min
Jun 10, 1:08 PM CDT	Severe Thunderstorm Warning	OHX	Franklin, Marion, Sequatchie	62 min
Jun 10, 2:06 PM CDT	Severe Thunderstorm Warning	OHX	Hickman	34 min
Jun 10, 2:26 PM CDT	Severe Thunderstorm Warning	OHX	Maury	44 min
Jun 10, 2:55 PM CDT	Severe Thunderstorm Warning	OHX	Marshall	65 min
Jun 10, 3:23 PM CDT	Tornado Warning	OHX	Marshall	32 min
Jun 10, 3:32 PM CDT	Severe Thunderstorm Warning	OHX	Bedford	48 min
Jun 10, 3:49 PM CDT	Tornado Warning	OHX	Bedford, Lincoln, Moore	51 min
Jun 10, 4:12 PM CDT	Severe Thunderstorm Warning	OHX	Lewis	48 min
Jun 10, 4:21 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Maury	49 min
Jun 10, 4:53 PM CDT	Tornado Warning	OHX	Giles, Marshall	47 min
Jun 10, 5:22 PM CDT	Severe Thunderstorm Warning	OHX	Davidson	48 min
Jun 10, 6:45 PM CDT	Severe Thunderstorm Warning	OHX	Sumner	50 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.