Alert archive / Indiana / Flash Flood Warnings in 1989
Flash Flood Warning 68, NWS Indianapolis, IN
NWS Indianapolis, IN issued this flash flood warning at Aug 28, 1989, 1:29 PM EST for Montgomery County, Indiana. It was in force for 91 min.
The area
The counties it named.
The facts
- Issued
- Aug 28, 1989, 1:29 PM EST (18:29 UTC)
- Expired
- Aug 28, 1989, 3:00 PM EST
- In force
- 91 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Montgomery 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, 6.5 hours before the alert went out and 230 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
- 623 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 726 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 70 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 281834 RRA
FFWIND
INC107-282000-
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
129 PM EST MON AUG 28 1989
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 230 PM EST
AND A FLASH FLOOD WARNING EFFECTIVE UNTIL 3O0 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN WEST CENTRAL INDIANA
...MONTGOMERY
A SEVERE THUNDERSTORM WAS INDICATED BY RADAR 20 MILES SOUTHWEST OF
LAFAYETTE AT 130 PM EST. THIS STORM WILL MOVE INTO NORTHWEST MONTGOMERYCOUNTY AND TOWARDS CRAWFORDSVILLE. PERSONS IN MONTGOMERY COUNTY AND
THE CITIES OF WAYNETOWN AND CRAWFORDSVILLE SHOULD MOVE INDOORS AND
STAY AWAY FROM WINDOWS.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSI$NESS. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
EDWARDSWhat 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, Aug 28, 9:52 AM EST, 3 hours 37 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 950 AM EST MON AUG 28 1989 STRONG THUNDERSTORMS IN NORTHWEST AND WEST CENTRAL INDIANA WERE DUMPING HEAVY RAINS. A GROWING AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING ACROSS RENNSELAER...MONTICELLO...SOUTH OF LAFAYETTE...OVER FRANKFORT AND VEEDERSBURG. DANGEROUS LIGHTNING AND VERY HEAVY RAINS CAN BE EXPECTED WITH THESE STORMS. AT 949 AM EST THE FOUNTAIN COUNTY SHERIFF REPORTED BLINDING RAINS IN COVINGTON. THIS RAIN WILL MOVE PARALLEL ACROSS INTERSTATE 74 AND RESULT IN DANGEROUS DRIVING CONDITIONS. THE STORMS WERE MOVING EAST AND MAY PRODUCE STREET FLOODING IN SOUTHERN TIPPECANOE...CLINTON AND FOUNTAIN COUNTIES. RvEPORT FLOODING TO THE POLICE FOR RELAY TO THE NATIONAL WEATHER SERVICE. EDWARDS
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 10:47 AM EST | Flash Flood Warning | IND | Clinton | 118 min |
| Aug 28, 12:52 PM EST | Flash Flood Warning | IND | Fountain, Tippecanoe | 2 hr |
| Aug 28, 12:52 PM EST | Flash Flood Warning | IND | Clinton | 2 hr |
| Aug 28, 1:29 PM EST | Severe Thunderstorm Warning | IND | Montgomery | 61 min |
| Aug 28, 2:35 PM EST | Flash Flood Warning | IND | Parke, Vermillion | 115 min |
| Aug 28, 2:35 PM EST | Severe Thunderstorm Warning | IND | Parke, Vermillion | 55 min |
| Aug 28, 3:10 PM EST | Flash Flood Warning | IND | Fountain, Montgomery | 3 hr |
| Aug 28, 3:10 PM EST | Flash Flood Warning | IND | Boone, Clinton | 3 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.