Alert archive / Indiana / Flash Flood Warnings in 1989
Flash Flood Warning 61, NWS Indianapolis, IN
NWS Indianapolis, IN issued this flash flood warning at Jul 24, 1989, 4:40 PM EST for Hendricks County, Indiana. It was in force for 80 min.
The area
The counties it named.
The facts
- Issued
- Jul 24, 1989, 4:40 PM EST (21:40 UTC)
- Expired
- Jul 24, 1989, 6:00 PM EST
- In force
- 80 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Hendricks 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, 9.7 hours before the alert went out and 198 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.
- Mixed-layer CAPE
- 1417 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 874 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KIND 242141
FFWIND
INC063-242300-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
440 PM EST MON JUL 24 1989
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 600 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN CENTRAL INDIANA
...HENDRICKS
A WEATHER SERVICE EMPLOYEE ESTIMATED ABOUT 3 INCHES OF RAIN IN THE
TOWN OF CLERMONT IN WESTERN MARION COUNTY BETWEEN 330 PM AND 430 PM
EST.
RADAR AT 440 PM EST INDICATED THAT THIS THUNDERSTORM WAS MOVING
NORTHWEST INTO HENDRICKS COUNTY.
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.
MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A
SMALL ONE...ON FOOT.
HENDRICKSONWhat 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 24, 2:40 PM EST, 2 hours before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 240 PM EST MON JUL 24 1989 STRONG THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED TO DEVELOP OVER THE SOUTHERN AND THE EASTERN HALF OF INDIANA AT 225 PM EST RADAR SHOWED TWO STORMS ABOUT 20 MILES EAST OF INDIANAPOLIS. ONE WAS 10 MILES NORTH OF GREENFIELD WHILE THE OTHER WAS OVER GREENFIELD ITSELF. THESE STORMS WERE MOVING VERY SLOWLY NORTHWEST AT 5 TO 10 MILES AN HOUR. PERSONS IN THE GREENFIELD...FORTVILLE AND PHILADELPHIA AREAS SHOULD BE PREPARED FOR HEAVY RAINS...FREQUENT LIGHTNING AS WELL AS STRONG GUSTY WINDS. DO NOT ALLOW CHILDREN TO PLAY IN FLOODED AREAS AND DO NOT DRIVE THROUGH FLOODED ROADS. OTHE@R SHOWERS AND THUNDERSTORMS WERE FROM MARION SOUTH TO NEAR COLUMBUS ...AND THEN WEST TO BLOOMINGTON. ALL OF THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHWEST AT 5 TO 10 MILES AN HOUR. GERY
Special weather statement, Jul 24, 3:41 PM EST, 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 335 PM EST MON JUL 24 1989 STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE OVER CENTRAL INDIANA. AT 330 PM EST RADAR SHOWED ONE THUNDERSTORM WITH VERY HEAVY RAIN 20 MILES SOUTHEAST OF INDIANAPOLIS EAR THE TOWN OF FRANKLIN. ANOTHER STORM WITH HEAVY RAIN WAS 25 MILES NORTHEAST OF INDIANAPOLIS TO THE WEST OF ANDERSON. BOTH OF THESE STORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAINS AND GUSTY WINDS. PERSONS IN THE AREAS AROUND THE TOWNS OF FRANKLIN...NEW WHITELAND AND MOUNT PLEASANT IN JOHNSON COUNTY AND IN THE AREAS OF LAPEL AND FRANKTON TO THE WEST AND NORTHWEST OF ANDERSON SHOULD PREPARE FOR HEAVY RAINS..FREQUENT LIGHTNING AS WELL AS STRONG GUSTY WINDS. DO NOT ALLOW CHILDREN TO PLAY IN FLOODED AREAS...DO NOT DRIVE THROUGH FLOODED STREETS. OTHER SCATTERED SHOWERS AND THUNDERSTORMS WERE SOUTH OF A LINE FROM MARION THROUGH INDIANAPOLIS TO NEAR TERRE HAUTE. ALL OF THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHWEST AT 5 TO 10 MILES AN HOUR. GERY
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 3:55 PM EST | Flash Flood Warning | IND | Johnson, Marion | 2 hr |
| Jul 24, 4:03 PM EST | Severe Thunderstorm Warning | IND | Marion | 42 min |
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.