Alert archive / Indiana / Flash Flood Warnings in 1989

Flash Flood Warning 59, NWS Indianapolis, IN

July 23, 1989Randolph County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jul 23, 1989, 3:26 PM EST for Randolph County, Indiana. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jul 23, 1989, 3:26 PM EST (20:26 UTC)
Expired
Jul 23, 1989, 5:30 PM EST
In force
2 hr
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Randolph County, IN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 8.4 hours before the alert went out and 75 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, Dayton/James M C, OH at 12:00Z on 1989-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 690 joules per kilogram.LCLLFCEL10008507005003002001001 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, Dayton/James M C, OH at 12:00Z on 1989-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.1939Sfc1 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
690 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
920 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
25 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 KIND 232027
FFWIND
INC135-232230-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
326 PM EST SUN JUL 23 1989
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  530 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN EAST CENTRAL INDIANA
          ...RANDOLPH
 
AT 320 PM EST RADAR SHOW A THUNDERSTORM THAT WAS PRODUCING VERY HEAVY
RAIN 20 MILES NORTHWEST OF RICHMOND. THIS STORM WAS MOVING NORTH AT 20
MILES AN HOUR.
 
PERSONS IN THE TOWNS WINCHESTER AND FARMLAND SHOULD BE PREPARED FOR
VERY HEAVY RAINS WHICH MAY CAUSE FLOODING AND REDUCE VISIBILTY TO ZERO. 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

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.

In the hours before

Special weather statement, Jul 23, 12:23 PM EST, 3 hours 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
1215 PM EST SUN JUL 23 1989

SOME THUNDERSTORMS WITH VERY HEAVY RAIN MOVED THROUGH NORTHEAST
INDIANAPOLIS LATE THIS MORNING.

METEOROLOGIST RANDY OLLIS REPORTED 1.17 INCHES OF RAIN IN LESS THAN
AN HOUR BETWEEN 11AM AND NOON..NEAR STATE RD. 37 AND 71ST STREET. HE ALSO
REPORTED TRAFFIC WAS STOPPED BY THE BLINDING RAIN. METEOROLOGIST
BOB MCCLEAN ALSO REPORTED 1.35 INCHES OF RAIN NEAR 71ST AND SHADELAND
BETWEEN 1115 AND NOON. THERE WAS ALSO A PUBLIC REPORT OF 1/4 INCHE HAIL
NEAR NOBLESVILLE.

THE STORMS WERE MOVING NORTH AT 20 TO 25 MILES AN HOUR AND WILL MOVE
CLOSE TO NOBLESVILLE AND WESTFIELD. MOTORIST IN THESE AREAS AND ON THE
NORTHEAST SIDE OF INDIANAPOLIS SHOULD BE ALERT TO STANDING WATER ON
ROADWAYS AND BLINDING RAIN.

ELSEWHERE IN CENTRAL INDIANA SHOWERS AND THUNDERSTORMS EXTENDED FROM
LOGANSPORT THROUGH MUNCIE TO SHELBYVILLE AND COLUBMUS. THE
SHOWERS THEN EXTENDED WEST ACROSS THE STATE TO LAFAYETTE...CRAWFORDSVILLE
AND TERRE HAUTE.

THUNDERSTORMS WITH HEAVY RAIN AND POSSIBLY SMALL HAIL WERE ALSO BETWEEN
ANDERSON AND MUNCIE AND IN SOUTHEAST RUSH COUNTY NEAR MILROY.

ALL THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTH AT 20 TO 25
MILES AN HOUR.

CT
Special weather statement, Jul 23, 1:34 PM EST, 1 hour 52 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
130 PM EST SUN JUL 23 1989

THUNDERSTORMS WITH VERY HEAVY RAIN WERE SCATTERED FROM THE EAST
SIDE OF INDIANAPOLIS EAST TO GREENFIELD AND KNIGHTSTOWN AND
NORTHEAST TO FORTVILLE...ANDERSON...MUNCIE AND ELWOOD.

AT 115 PM EST...AN AMATUER RADIO OPERATOR REPORTED WATER FLOWING ACROSS
TROY AVE NEAR KITLEY ON INDIANAPOLIS/S SOUTHEAST SIDE.

PERSONS IN EASTCENTRAL INDIANA SHOULD BE ALERT TO BLINDING DOWNPOURS
...AND POSSIBLY SMALL HAIL AND STRONG GUSTY AS WELL AS FLOODED STREETS.

DO NOT ALLOW CHILDREN TO PLAY IN FLOODED AREAS

THE STORMS WERE MOVING NORTH AT 20 TO 25 MILES AN HOUR AND WILL CONTINUE
THROUGHOUT MUCH OF :THIS AFTENOON.

CT

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 23, 2:47 PM ESTFlash Flood WarningINDDelaware, Madison3 hr

Nearby

Flash Flood Warnings in Indiana, 1989Every flash flood warning in 1989

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.