Alert archive / Tennessee / Flash Flood Warnings in 1998

Flash Flood Warning 22, NWS Nashville, TN

April 16, 1998Davidson County, Williamson County, Tennessee

NWS Nashville, TN issued this flash flood warning at Apr 16, 1998, 12:39 PM CDT for Davidson County, Williamson County, Tennessee. It was in force for 2 hr. 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, 12:39 PM CDT (17:39 UTC)
Expired: Apr 16, 1998, 2:40 PM CDT
In force: 2 hr
Issued by: NWS Nashville, TN
Area: Whole counties

Counties Davidson County, TN, Williamson County, TN

The radar

The Nashville radar (KOHX), 34 km from the middle of the area, began a volume at 17:39 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 nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 5.7 hours before the alert went out and 24 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.

000 
TTAA00 KBNA 161740
FFWBNA
TNC037-187-161940-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1239 PM CDT THU APR 16 1998

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN DAVIDSON COUNTY IN MIDDLE TENNESSEE
  WILLIAMSON COUNTY IN MIDDLE TENNESSEE

* UNTIL 240 PM CDT

* AT 1235 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAIN ACROSS WILLIANSON AND SOUTHERN
  DAVIDSON COUNTIES... MOVING EAST AT 35 MPH.

  DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!


A FLASH FLOOD WARNING MEANS FLOODING IS OCCURRING OR IS
IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE
TOl STREAMS AND CREEKS WHICH CAN BECOME RAGING TORRENTS IN
A MATTER OF MINUTES. BE PREPARED TO ACT QUICKLY AND MOVE
TO HIGHER GROUND IF RISING WATER THREATENS.

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Apr 16, 9:40 AM CDT, 2 hours 59 minutes earlier.

Area forecast discussion, Apr 16, 9:40 AM CDT, 2 hours 59 minutes before

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

NEW WATCH WL CVR MUCH OF AREA...XPCT ADDITNL SCT TSTMS N OF WATCH.
TEMPS SEEK OKAY ATTM.

In the hours before

Local storm report, Apr 16, 6:41 AM CDT, 5 hours 58 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, 4 hours 47 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, 4 hours 47 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, 10:30 AM CDT, 2 hours 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
1030 AM CDT THU APR 16 1998

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

1020 AM    SADDLERSVILLE             TN   TORNADO
04/16/98   MONTGOMERY                     REPORTED BY LOCAL EMA
                                          POWERLINES DOWN

Local storm report, Apr 16, 10:30 AM CDT, 2 hours 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NASHVILLE TN
1030 AM CDT THU APR 16 1998

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

1020 AM    SADDLERSVILLE             TN   TORNADO
04/16/98   MONTGOMERY                     REPORTED BY LOCAL EMA
                                          POWERLINES DOWN

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, 8:11 AM CDT	Severe Thunderstorm Warning	OHX	DeKalb	34 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, 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

Flash Flood Warnings in Tennessee, 1998 Every flash flood 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.