Alert archive / Indiana / Flash Flood Warnings in 1989
Flash Flood Warning 66, NWS Indianapolis, IN
NWS Indianapolis, IN issued this flash flood warning at Aug 28, 1989, 12:52 PM EST for Fountain County, Tippecanoe County, Indiana. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Aug 28, 1989, 12:52 PM EST (17:52 UTC)
- Expired
- Aug 28, 1989, 3:00 PM EST
- In force
- 2 hr
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Fountain County, IN, Tippecanoe 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
Peoria Regional, IL (KPIA), launched 12:00Z, 5.9 hours before the alert went out and 219 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
- 362 J/kg
- Mixed-layer CIN
- -116 J/kg
- Mixed-layer LCL
- 951 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KIND 281754
FFWIND
INC023-045-157-282000-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1252 PM EST MON AUG 28 1989
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 300 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN CENTRAL INDIANA
...CLINTON
IN WEST CENTRAL INDIANA
...NORTHERN FOUNTAIN...SOUTHERN TIPPECANOE
THUNDERSTORMS WITH TORRENTIAL RAINS WERE ONCE AGAIN MOVING INTO
WEST CENTRAL INDIANA ABOUT 35 MILES SOUTHWEST OF LAFAYETTE. THESE
STORMS WILL PRODUCE FLASH FLOODING AND FLOOD CREEKS AND STREAMS.
AT 1250 PM EST THE MOST INTENSE RAIN WAS FROM 25 MILES SOUTHEAST OF
LAFAYTTE THROUGH NORTHERN FOUNTAIN COUNTY. HEAVY RAIN PREVIOUSLY
MOVED ACROSS NORTHERN FOUTAIN AND SOUTHERN TIPPECANOE COUNTIES
THIS MORNING.
PERSONS LIVING ALONG STREAMS AND CREEKS SHOULD MOVE TO HIGHER GROUND
AS SOON AS WATER LEVELS BEGIN TO RISE. DO NOT WAIT UNTIL YOUR ESCAPE
ROUTE HAS BEEN CUT OFF.
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.
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 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 | Clinton | 2 hr |
| Aug 28, 1:29 PM EST | Flash Flood Warning | IND | Montgomery | 91 min |
| 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.