Alert archive / Indiana / Flash Flood Warnings in 1992

Flash Flood Warning 3, NWS Indianapolis, IN

April 17, 1992Delaware County, Henry County, Randolph County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Apr 17, 1992, 1:37 AM EST for Delaware County, Henry County, Randolph County, Indiana. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Apr 17, 1992, 1:37 AM EST (06:37 UTC)
Expired
Apr 17, 1992, 5:30 AM EST
In force
4 hr
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Delaware County, IN, Henry County, IN, Randolph County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 6.6 hours before the alert went out and 94 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 00:00Z on 1992-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 139 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dayton/James M C, OH at 00:00Z on 1992-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
139 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
1366 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KIND 170638
FFWIND
INC057-095-035-065-135-171030-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
137 AM EST FRI APR 17 1992
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  530 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN CENTRAL INDIANA
 
   ...HAMILTON COUNTY...MADISON COUNTY
 
IN EAST CENTRAL INDIANA
 
   ...DELAWARE COUNTY...HENRY COUNTY...RANDOLPH COUNTY
 
A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT OR ALREADY OCCURRING.
 
AT 125 AM EST...RAIN...HEAVY AT TIMES WAS OCCURRING IN A 30 MILE WIDE
AREA FROM 20 MILES NORTHWEST OF DOWNTOWN INDIANAPOLIS TO 30 MILES EAST
OF MUNCIE.
 
RADAR ESTIMATES OF FROM 2 TO 4 INCHES OF RAIN HAVE FALLEN BETWEEN 9 PM
LAST NIGHT AND 1 AM EST THIS MORNING IN THIS AREA.
 
PEOPLE LIVING ALONG CREEKS AND STREAMS IN THE WARNED COUNTIES SHOULD
MOVE TO HIGHER GROUND IMMEDIATELY. STREET FLOODING WILL BE LIKELY IN
URBAN AREAS SUCH AS NOBLESVILLE...ANDERSON...MUNCIE...NEW CASTLE AND
WINCHESTER.
 
MOTORISTS SHOULD DRIVE WITH CAUTION IN THE WARNING AREA AS MANY STREAMS
WILL BE OUT OF THERE BANKS. IF YOU ENCOUNTER HIGH WATER WHILE DRIVING
AT A HIGH RATE OF SPEED...YOUR VEHICLE WILL GO OUT OF CONTROL.
 
DO NOT DRIVE OR CROSS FLOODED AREAS BY ANY MEANS. TAKE A HIGH GROUND
ROUTE TO REACH YOUR DESTINATION.
STEIGERWALDT

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, Apr 16, 8:02 PM EST, 5 hours 35 minutes before
IDZALL-170200

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
800 PM EST THU APR 16 1992

...THE SEVERE THUNDERSTORM WATCH FOR CENTRAL AND SOUTHERN INDIANA
HAS EXPIRED...

THE THUNDERSTORMS HAVE DECREASED IN STRENGTH AFTER SUNSET.

AT 755 PM EST...SHOWERS AND THUNDERSTORMS CONTINUE TO OVER MUCH OF
CENTRAL INDIANA. THE LARGEST AREA WAS BOUNDED BY FORT WAYNE...
DANVILLE ILLINOUS...TERRE HAUTE...BLOOMINGTON AND CINCINNATI.
A FEW STRONG THUNDERSTORMS EXTEDNED FROM SOUTHWEST OF INDIANAPOLIS
TO TERRE HAUTE.

ANOTHER MUCH SMALLER AREA OF SHOWERS WAS IN NORTHWEST INDIANA FROM
LAFAYETTE TO SOUTH BEND.

THE SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DECREASE TO STRENGTH
DURING THE EVENING AS THEY MOVE EAST AT 40 MILES AN HOUR.

HAINES
Special weather statement, Apr 16, 10:42 PM EST, 2 hours 55 minutes before
INZALL-170430

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1035 PM EST THU APR 16 1992

...STRONG THUNDERSTORMS SOUTHWEST OF INDIANAPOLIS...

AT 1025 PM EST...THE PUTNAM COUNTY SHERIFF REPORTED HAIL WITH A
STRONG THUNDERSTORM. THE SIZE OF THE HAIL WAS UNSPECIFIED.
THUNDERSTORMS WITH INTENSE RAINFALL AND FREQUENT DANGEROUS LIGHTNING
WERE NEAR ABOUT 25 MILES WEST OF DOWNTOWN INDIANAPOLIS NEAR DANVILLE.

A 40 MILE WIDE BAND OF RAIN AND THUNDERSTORMS EXTENDED FROM AROUND
CONNERSVILLE TO THE SOUTH HALF OF THE INDIANAPOLIS METRO AREA TO 30 MILES
SOUTH OF TERRE HAUTE.

THE RAIN AND THUNDERSTORMS WERE MOVING EAST AT AROUND 35 MILES AN HOUR.
VERY HEAVY RAIN WILL CONTINUE TO iCAUSE PONDING OF WATER ON ROADWAYS AND
IN LOW LYING AREAS IN MAINLY THE SOUTHERN HALF OF THE INDIANAPOLIS
METRO AREA UNTIL AROUND MIDNIGHT. SMALL HAIL AND GUSTY WINDS WILL ALSO
BE POSSIBLE.

MAGNUSON
Special weather statement, Apr 16, 10:47 PM EST, 2 hours 50 minutes before
INZALL-170430

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1035 PM EST THU APR 16 1992

...STRONG THUNDERSTORMS WERE SOUTHWEST OF INDIANAPOLIS...

AT 1025 PM EST...THE PUTNAM COUNTY SHERIFF REPORTED HAIL WITH A
STRONG THUNDERSTORM NEAR CLOVERDALE. THE SIZE OF THE HAIL WAS UNSPECIFIED.
THUNDERSTORMS WITH INTENSE RAINFALL AND FREQUENT DANGEROUS LIGHTNING
WERE ABOUT 25 MILES WEST OF DOWNTOWN INDIANAPOLIS NEAR DANVILLE.

A 40 MILE WIDE BAND OF RAIN AND THUNDERSTORMS EXTENDED FROM AROUND
CONNERSVILLE TO THE SOUTH HALF OF THE INDIANAPOLIS METRO AREA TO 30 MILES
SOUTH OF TERRE HAUTE.

THE RAIN AND THUNDERSTORMS WERE MOVING EAST AT AROUND 35 MILES AN HOUR.
VERY HEAVY RAIN WILL CONTINUE TO CAUSE PONDING OF WATER ON ROADWAYS AND
IN LOW LYING AREAS IN MAINLY THE SOUTHERN HALF OF THE INDIANAPOLIS
METRO AREA UNTIL AROUND MIDNIGHT. SMALL HAIL AND GUSTY WINDS WILL ALSO
BE POSSIBLE.

...CORRECTION TO ADD CLOVERDALE TO PARAGRAPH TWO...LINE TWO...

MAGNUSON

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 17, 1:37 AM ESTFlash Flood WarningINDHamilton, Madison4 hr

Nearby

Flash Flood Warnings in Indiana, 1992Every flash flood warning in 1992

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.