Alert archive / Tennessee / Flash Flood Warnings in 1998

Flash Flood Warning 13, NWS Memphis, TN

June 14, 1998Obion County, Tennessee

NWS Memphis, TN issued this flash flood warning at Jun 14, 1998, 9:28 PM CDT for Obion 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
Jun 14, 1998, 9:28 PM CDT (02:28 UTC)
Expired
Jun 14, 1998, 11:35 PM CDT
In force
2 hr
Issued by
NWS Memphis, TN
Area
Whole counties

County Obion County, TN

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 2.5 hours before the alert went out and 185 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, Little Rock, AR at 00:00Z on 1998-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Little Rock, AR at 00:00Z on 1998-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2950 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
77 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 KMEM 150227
FFWMEM
TNC079-131-183-150425-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
928 PM CDT SUN JUN 14 1998

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HENRY COUNTY IN WESTERN TENNESSEE
  EASTERN OBION COUNTY IN WESTERN TENNESSEE
  WEAKLEY COUNTY IN WESTERN TENNESSEE

* UNTIL 1135 PM CDT

* AT 915 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  CLUSTER OF THUNDERSTORMS WITH VERY HEAVY RAIN ACROSS EASTERN
  OBION..WEAKELY AND HENRY COUNTIES MOVING EAST AT 30 MILES AN HOUR.

* THESE THUNDERSTORMS HAVE PRODUCED RAINFALL AMOUNTS BETWEEN ONE
  AND THREE INCHES IN THE LAST THREE HOURS. ADDITIONAL RAINFALL IN
  EXCESS OF TWO INCHES IS POSSIBLE.

.BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLASH FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY.
MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO
FLOODINzG WHEN WATER BEGINS RISING.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 7:16 PM CDTSevere Thunderstorm WarningMEGHenry49 min
Jun 14, 7:57 PM CDTSevere Thunderstorm WarningMEGWeakley48 min
Jun 14, 8:17 PM CDTSevere Thunderstorm WarningMEGHenry48 min
Jun 14, 8:36 PM CDTTornado WarningMEGHenry34 min
Jun 14, 9:28 PM CDTFlash Flood WarningMEGHenry, Weakley2 hr

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.