Alert archive / Indiana / Flash Flood Warnings in 1989

Flash Flood Warning 73, NWS Indianapolis, IN

September 1, 1989White County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Sep 1, 1989, 8:02 AM EST for White County, Indiana. It was in force for 118 min.

The area

The counties it named.

The facts

Issued
Sep 1, 1989, 8:02 AM EST (13:02 UTC)
Expired
Sep 1, 1989, 10:00 AM EST
In force
118 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County White 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, 1.0 hours before the alert went out and 231 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, Peoria Regional, IL at 12:00Z on 1989-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peoria Regional, IL at 12:00Z on 1989-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -322 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
612 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
-322 m²/s²
0-3 km storm-relative helicity
109 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 011304
FFWIND
INC181-011500-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
802 AM EST FRI SEP 1 1989
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1000 AM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTHWEST INDIANA
          ...SOUTHERN WHITE
 
FLOODING WAS OCCURRING IN SOUTHERN WHITE COUNTY. AT 755 AM EST
FLOODING WAS REPORTED IN CHALMERS IN SOUTHERN WHITE COUNTY. THE
OBSERVER REPORTED 5.2 INCHES OF RAIN OVERNIGHT.  STATE ROAD 43
NORTH OF BROOKSTON WAS FLOODED.
 
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.
EDWARDS

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, Sep 1, 2:23 AM EST, 5 hours 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
220 AM EST FRI SEP 1 1989

AT 210 AM EST...A FEW VERY STRONG THUNDERSTORMS WERE OVER NORTHWEST
INDIANA 30 AND 35 MILES NORTHWEST OF LAFAYETTE.

THESE THUNDERSTORMS WERE PART OF A LARGE AREA OF RAIN THAT WAS MAINLY
NORTH OF A LINE FROM 40 MILES WEST TO 10 MILES NORTH OF LAFAYETTE TO 30
MILES NORTH OF INDIANAPOLIS TO 10 MILES SOUTH OF MUNCIE.

SOME CITIES WHERE RAIN WAS OCCURRING INCLUDED RENSSELAER...FORT WAYNE...
MONTICELLO...KOKOMO...BLUFFTON AND MUNCIE.

THE PRECIPITATION WAS MOVING SOUTHEAST AT 30 MILES AN HOUR.

THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT ONLY FOR THAT PART OF
INDIANA WEST OF A LINE FROM 10 MILES WEST OF SOUTH BEND TO 20 MILES
NORTHEAST OF TERRE HAUTE...AND NORTH OF A LINE FROM 20 MILES NORTHEAST
AND 20 MILES NORTH OF TERRE HAUTE.
.
THE WATCH IS NO LONGER IN EFFECT FOR THE REST OF NORTH OR CENTRAL
INDIANA.
STEInGERWALDT
Special weather statement, Sep 1, 4:10 AM EST, 3 hours 52 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
410 AM EST FRI SEP 1 1989

THE SEVERE THUNDERSTORM WATCH FOR NORTHERN INDIANA HAS EXPIRED. HOWEVER
THE FLASH FLOOD WATCH CONTINUES FOR PORTIONS OF NORTHERN INDIANA.

AT 415 AM FRIDAY MORNING RADAR INDICATED STRONG THUNDERSTORMS WITH
HEAVY RAIN ACROSS NORTHERN INDIANA TO THE NORTH OF A CHAMPAIGN ILLINOIS
TO MUNCIE LINE. THESE THUNDERSTORMS WERE MOVING TO THE EASTSOUTHEAST
AT 25 MILES AN HOUR AND WILL MOVE ACROSS CENTRAL PORTIONS OF INDIANA
BY 600 AM THIS FRIDAY MORNING.
GIBBS
Special weather statement, Sep 1, 5:15 AM EST, 2 hours 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
515 AM EST FRI SEP 1 1989

FLASH FLOOD WATCH CONTINUES FOR PORTIONS OF NORTHERN INDIANA UNTIL
800 AM.

AT 515 AM RADAR INDICATED A BAND OF STRONG THUNDERSTORMS FROM
LAFAYETTE EASTWARD TO THE OHIO BORDER WITH MOVEMENT TO THE
EASTSOUTHEAST AT 20 MILES AN HOUR.

HEAVY RAINFALL IS LIKELY WITH THESE STORMS. AN OBSERVER AT BURLINGTON
IN CARROLL COUNTY REPORTING 2.82 INCHE)S OF RAIN BY 500 AM THIS FRIDAY
MORNING. THE HEAVY RAINFALL AREA WILL MOVE OVER SECTIONS OF CENTRAL
INDIANA BY 800 AM WITH LOCAL FLOODING IN HEAVIER STORMS POSSIBLE.
GIBBS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 31, 9:23 PM ESTSevere Thunderstorm WarningINDCass, White37 min
Aug 31, 10:36 PM ESTSevere Thunderstorm WarningINDBenton39 min
Sep 1, 5:56 AM ESTFlash Flood WarningINDDelaware, Madison2 hr
Sep 1, 5:56 AM ESTSevere Thunderstorm WarningINDDelaware, Madison64 min
Sep 1, 6:14 AM ESTSevere Thunderstorm WarningINDRandolph46 min
Sep 1, 9:38 AM ESTFlash Flood WarningINDBrown2 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.