Alert archive / Kentucky / Flash Flood Warnings in 1998

Flash Flood Warning 52, NWS Jackson, KY

April 19, 19984 counties in Kentucky

NWS Jackson, KY issued this flash flood warning at Apr 19, 1998, 5:02 AM EDT for 4 counties in Kentucky. It was in force for 5 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 19, 1998, 5:02 AM EDT (09:02 UTC)
Expired
Apr 19, 1998, 10:10 AM EDT
In force
5 hr
Issued by
NWS Jackson, KY
Area
Whole counties

Counties Floyd County, KY, Johnson County, KY, Martin County, KY, Pike County, KY

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 9.0 hours before the alert went out and 221 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, Cncnati-Daytn, OH at 00:00Z on 1998-04-19Temperature 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, Cncnati-Daytn, OH at 00:00Z on 1998-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.1939587897117136Sfc1 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
1765 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
212 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 KJKL 190901
FFWJKL
KYC013-025-051-063-071-095-115-119-121-125-129-131-133-147-153-
159-175-189-193-195-235-237-191355-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
502 AM EDT SUN APR 19 1998

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BELL COUNTY IN SOUTHEASTERN KENTUCKY
  BREATHITT COUNTY IN SOUTHEASTERN KENTUCKY
  CLAY COUNTY IN SOUTHEASTERN KENTUCKY
  ELLIOTT COUNTY IN EASTERN KENTUCKY
  FLOYD COUNTY IN SOUTHEASTERN KENTUCKY
  HARLAN COUNTY IN SOUTHEASTERN KENTUCKY
  JOHNSON COUNTY IN EASTERN KENTUCKY
  KNOTT COUNTY IN SOUTHEASTERN KENTUCKY
  KNOX COUNTY IN SOUTHEASTERN KENTUCKY
  LAUREL COUNTY IN SOUTH CENTRAL KENTUCKY
  LEE COUNTY IN SOUTHEASTERN KENTUCKY
  LESLIE COUNTY IN SOUTHEASTERN KENTUCKY
  LETCHER COUNTY IN SOUTHEASTERN KENTUCKY
  MAGOFFIN COUNTY IN SOUTHEASTERN KENTUCKY
  MARTIN COUNTY IN EASTERN KENTUCKY
  MCCREARY COUNTY IN SOUTH CENTRAL KENTUCKY
  MORGAN COUNTY IN SOUTHEASTERN KENTUCKY
  OWSLEY COUNTY IN EASTERN KENTUCKY
  PERRY COUNTY IN SOUTHEASTERN KENTUCKY
  PIKE COUNTY IN SOUTHEASTERN KENTUCKY
  WHITLEY COUNTY IN SOUTH CENTRAL KENTUCKY
  WOLFE COUNTY IN SOUTHEASTERN KENTUCKY
  
* UNTIL 1010 AM EDT

* AT 450 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR A LARGE
  AREA OF SHOWERS AND EMBEDDED THUNDERSTORMS WITH MODERATE TO HEAVY
  RAIN CONTINUING OVER MOST OF EASTERN KENTUCKY...MOVING NORTHEAST
  AT 40 MPH.

* ADDITIONAL RAINFALL AMOUNTS WILL RANGE FROM 0.5 TO 1.25 INCHES
  THROUGH NOON SUNDAY.

  THIS WARNING SERVES TO EXTEND THE PREVIOUS FLASH FLOOD WARNING
  THROUGH 1000 AM.

  MOTORISTS SHOULD CONTINUE TO USE EXTREME CAUTION FOR WATER COVERED
  ROADWAYS. MUD AND ROCK SLIDES WILL REMAIN A THREAT...OCCASIONALLY
  BLOCKING HIGHWAYS. MANY HIGHWAYS ARE ALREADY CONSIDERED IMPASSABLE
  DUE TO ADJACENT CREEKS OVERFLOWING THEIR BANKS.

  DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD! NEVER
  ATTE*MPT TO CROSS A FLOODED AREA ON FOOT OR IN AN AUTOMOBILE.

INGRAM


&

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 Jackson, KY wrote its last area forecast discussion before this flash flood warning went out at Apr 19, 2:20 AM EDT, 2 hours 42 minutes earlier.

Area forecast discussion, Apr 19, 2:20 AM EDT, 2 hours 42 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON KY
230 AM EDT SUN APR 191998

MODERATE TO HVY RAINS CONTINUE. RAIN IS BACKED UP ALL THE WAY ACROSS
CENTRAL TN TO N AL. EVEN A LOT OF RAIN FROM N AL TO THE GULF COAST.
CONVECTION SOUTH OF HERE IS NOT CUTTING US OFF AT ALL. VWP SHOWS
STRONG SW FLOW JUST OFF THE SFC PUMPING LOTS OF MOISTURE INTO THESE
MOUNTAINS. BROAD AREA OF FFW/S ARE CURRENTLY IN EFFECT FOR SE KY AND
MOST OF E TN AS WELL. WE WILL LIKELY EXTEND ALL CURRENTLY WARNED
COUNTIES UNTIL LATER IN THE MORNING AT 500 AM. WATER VAPOR SAT LOOP
SHOWS DECENT TROPICAL CONNECTION.

FLASH FLOOD WATCH SHOULD DEFINITELY BE CONTINUED. PEOPLE IN FLOYD
COUNTY ARE BEING EVACUATED BY BOATLOADS TONIGHT AND TAKEN TO HOPSITALS
AND SHELTERS. LOTS OF PROBLEMS THERE. FLS WILL BE ISSUED LATER IN THE
MONRING WITH THE REPORTS SO FAR.

LOOKS LIKE WE MAY BEGIN TO GET OUT OF THIS RAIN SITUATION AFTER 18Z
TODAY BUT WE HAVE ANOTHER SHORT WAVE TO GO BETWEEN 12-18Z. MAYBE EVEN
A FEW TSTMS THIS MORNING WITH THIS NEXT SHORT WAVE.

THEN THERE IS THE RIVER SITUATION. MOST AREAS ARE FCST TO EXCEED FS AT
SOME POINT DURING THE NEXT 48 HOURS. WATER POSES AN ONGOING PROBLEM.

WOULD REDUCE TEMPS TODAY TO MIDDLE 50S. TEMPS WON/T GO TO FAR UPWARD
WITH CLDS...PRECIP...AND CFP EXPECTED AROUND 18Z. OTHERWISE TEMPS LOOK
TO BE IN THE BALLPARK.

THE FOLLOWING GUIDANCE IS FOR COORDINATION PURPOSES ONLY. OFFICIAL
FORECASTS ARE CONTAINED IN THE PRODUCT SDFZFPKY.

JKL  55/40/61  +00
LOZ  56/39/63  +00

INGRAM

The office that day

Everything else NWS Jackson, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 18, 10:58 PM EDTFlash Flood WarningJKLLaurel, McCreary, Whitley6 hr
Apr 18, 10:58 PM EDTFlash Flood WarningJKLBell, Harlan, Leslie, Perry6 hr
Apr 18, 10:58 PM EDTFlash Flood WarningJKLClay, Knox6 hr
Apr 19, 12:30 AM EDTFlash Flood WarningJKLPulaski, Wayne5 hr
Apr 19, 12:30 AM EDTFlash Flood WarningJKLKnott, Letcher, Pike5 hr
Apr 19, 12:30 AM EDTFlash Flood WarningJKLBreathitt, Floyd, Johnson, Magoffin, Morgan, Wolfe5 hr
Apr 19, 12:30 AM EDTFlash Flood WarningJKLJackson, Lee, Owsley5 hr
Apr 19, 12:30 AM EDTFlash Flood WarningJKLElliott5 hr
Apr 19, 12:30 AM EDTFlash Flood WarningJKLMartin5 hr
Apr 19, 12:30 AM EDTFlash Flood WarningJKLRockcastle5 hr
Apr 19, 5:02 AM EDTFlash Flood WarningJKLBell, Clay, Harlan, Knox, Leslie, Whitley5 hr
Apr 19, 5:02 AM EDTFlash Flood WarningJKLBreathitt, Knott, Lee, Magoffin, Owsley, Perry and 1 more5 hr
Apr 19, 5:02 AM EDTFlash Flood WarningJKLLaurel, McCreary5 hr
Apr 19, 5:02 AM EDTFlash Flood WarningJKLLetcher5 hr
Apr 19, 5:02 AM EDTFlash Flood WarningJKLElliott, Morgan5 hr
Apr 19, 10:09 AM EDTFlash Flood WarningJKLLaurel, McCreary, Whitley6 hr
Apr 19, 10:09 AM EDTFlash Flood WarningJKLFloyd, Johnson, Martin, Pike6 hr
Apr 19, 10:09 AM EDTFlash Flood WarningJKLBreathitt, Knott, Magoffin6 hr
Apr 19, 10:09 AM EDTFlash Flood WarningJKLBell, Clay, Harlan, Knox, Leslie6 hr
Apr 19, 10:09 AM EDTFlash Flood WarningJKLOwsley, Perry6 hr
Apr 19, 10:09 AM EDTFlash Flood WarningJKLLetcher6 hr

Nearby

Flash Flood Warnings in Kentucky, 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.