Alert archive / Tennessee / Flash Flood Warnings in 1998

Flash Flood Warning 85, NWS Nashville, TN

June 19, 1998Hickman County, Lewis County, Tennessee

NWS Nashville, TN issued this flash flood warning at Jun 19, 1998, 7:32 AM CDT for Hickman County, Lewis County, Tennessee. It was in force for 93 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
Jun 19, 1998, 7:32 AM CDT (12:32 UTC)
Expired
Jun 19, 1998, 9:05 AM CDT
In force
93 min
Issued by
NWS Nashville, TN
Area
Whole counties

Counties Hickman County, TN, Lewis County, TN

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 0.5 hours before the alert went out and 95 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 1998-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 1998-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -224 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
564 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-224 m²/s²
0-3 km storm-relative helicity
-55 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 191240 COR
FFWBNA
TNC081-101-191405-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTION TO NARRATIVE
NATIONAL WEATHER SERVICE NASHVILLE TN
732 AM CDT FRI JUN 19 1998

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HICKMAN COUNTY IN MIDDLE TENNESSEE
  LEWIS COUNTY IN MIDDLE TENNESSEE

* UNTIL 905 AM CDT

* AT 727 AM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAIN MOVING EAST AT 20 MPH.
THESE STORMS WILL PRODUCE RAINFALL AMOUNTS BETWEEN 1 AND 2 INCHES
IN LESS THAN AN HOUR. THIS WILL CAUSE CREEKS AND STREAMS TO RISE
QUICKLY OUT OF THEIR BANKS. MOTORISTS NEED TO AVOID AREAS WHERE
WATER COVERS THE ROAD ESPECIALLY IN THE VICINITY OF LOW WATER
CROSSINGS.

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

WSS

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 Jun 19, 2:30 AM CDT, 5 hours 2 minutes earlier.

Area forecast discussion, Jun 19, 2:30 AM CDT, 5 hours 2 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
230 AM CDT FRI JUN 19 1998

NRLY SOLID AREA OF CONVECTN MOVG SLWLY E-SE ACRS WRN KY ATTM. XPCT
SHWRS/TSTMS TO MOV INTO NW CRNR OF MID TN BY 08Z AND INTO NRN SXNS OF
MID TN INCLUDING BNA VCNTY BY DAYBREAK. CONVCTN SHOULD GRDLLY DIMINSH
THIS AM BUT RE-FIRE OVR SRN AND ERN SXNS THIS AFTN DURING PRIME AFTN
HEATING. HVY RAINFALL POTENTIAL QUITE HIGH AS AREA NOT MOVING THAT FAST
AND PRECIP WATER VALUES ACRS RGN BTWN 130-150% OF NORMAL OVR RGN.

BASICALLY FOLLOWED ETA MDL AS IT INITIALIZED WELL AND VERIFIED MOST
PARAMETERS AT 06Z. (SOME QUESTION AS TO VALIDITY OF NGM DATA AND AVN
NOT AVAILABLE ATTM.)

PREFER POPS A CAT HIGHER THAN CURRENTLY ADVERTISED FOR TDY WHILE CHC
POP NEEDED FOR THIS EVENING TO COVER CONVCTN LIKELY TO LINGER PAST 00Z
OVR S AND E SXNS OF MID TN.  MDLS INDICATE WEAK S/W TRAVERSING LWR GRT
LAKES SAT AFTN/EVENING...THUS MAY NED TO INTRODUCE SLGHT CHC POP FOR
NRN COUNTIES LATE IN THE DAY SAT.
POTENTIAL FOR TEMP BUST TDY. SINCE ANTICIPATING CLD COVER/CONVCTN FOR
PART OF THE DAY...WOULD LEAN TWD TEMPS A CAT COOLER FWC NUMBERS ESP NRN
SXNS.
09

BNA 90/71/94 602                        COOKEVILLE 90/68/93 522
                LAWRENCEBURG 92/72/95 52-

Nearby

Flash Flood Warnings in Tennessee, 1998Every 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.