Alert archive / Indiana / Flash Flood Warnings in 1989

Flash Flood Warning 4, NWS Northern Indiana

June 3, 1989Allen County, Indiana

NWS Northern Indiana issued this flash flood warning at Jun 3, 1989, 11:43 AM EST for Allen County, Indiana. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 3, 1989, 11:43 AM EST (16:43 UTC)
Expired
Jun 3, 1989, 2:45 PM EST
In force
3 hr
Issued by
NWS Northern Indiana
Area
Whole counties

County Allen 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, 4.7 hours before the alert went out and 151 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 12:00Z on 1989-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 370 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dayton/James M C, OH at 12:00Z on 1989-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
370 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
860 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
93 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 KFWA 031643
FFWFWA
INC003-031945-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE FORT WAYNE IN
1143 AM EST SAT JUN 3 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 245 PM EST FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE NORTHEAST PART OF INDIANA
      ALLEN

AT 1130 AM EST THUNDERSTORMS WITH HEAVY RAIN WERE MOVING
ACROSS THE CITY OF FORT WAYNE AND WILL REMAIN IN THE CITY
OF FORT WAYNE FOR 1 OR MORE HOURS. RAINFALLS IN EXCESS OF 1 INCH
WERE REPORTED AT BAER FIELD. MANY ROADS WERE FLOOD OUT.

A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT. TAKE NECESSARY
PRECAUTIONS AGAINST FLOODING IMMEDIATEL_Y.

SEEK SAFETY BEFORE FLOWING WATER BLOCKS YOUR ESCAPE ROUTE. STAY
AWAY FROM FLOODED STREAMS...STORM DRAINS AND DITCHES.

DO NOT ATTEMPT TO CROSS A FLOWING STREAM ON FOOT OR IN A VEHICLE.
RAPIDLY RISING WATER MAY SWEEP YOU AWAY.

 HAYES

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, Jun 3, 9:12 AM EST, 2 hours 31 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
905 AM EST SAT JUN 3 1989

...STRONG THUNDERSTORMS OVER NORTHERN INDIANA AND SOUTHWESTERN LOWER
MICHIGAN...

AT 900 AM EST...RADAR INDICATED STRONG THUNDERSTORMS FROM SOUTHERN
LAKE MICHIGAN ACROSS BERRIEN COUNTY OF SOUTHWESTERN LOWER MICHIGAN
SOUTHWARD ACROSS EASTERN LA PORTE COUNTY AND STARKE COUNTY IN
NORTHERN INDIANA.

RADAR INDICATED A BOW ECHO INDICATIVE VERY STRONG WINDS ENTERING
SOUTHERN ST. JOSEPH COUNTY INDIANA. PEOPLE IN WALKERTON INDIANA...20
MILES SOUTHWEST OF SOUTH BEND SHOULD BE PREPARED FOR VERY STRONG WIND
GUSTS AS THE LINE OF THUNDERSTORMS PASS THROUGH.

THE LINE OF THUNDERSTORMS WILL PRODUCE GUSTY WINDS...iHEAVY RAIN...
POSSIBLE SOME SMALL HAIL...AND DANGEROUS LIGHTNING. MOVEMENT OF THE
LINE OF STORMS IS EAST AT 35 MILES AN HOUR.  MONTE WHEELER
Special weather statement, Jun 3, 10:00 AM EST, 1 hour 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WAYNE IN
1000 AM EST SAT JUN 3 1989

...STRONG THUNDERSTORMS IN NORTHEAST INDIANA...

AT 1000 AM EST A LINE OF STRONG THUNDERSTORMS WERE LOCATED FROM
WEST OF A LINE FROM SOUTH BEND INDIANA TO 20 MILE SOUTH OF MARION
INDIANA.

THEY WERE MOVING NORTHEAST AT 30 MPH.

BY 1100 AM EST THIS LINE OF STRONG THUNDERSTORMS WILL BE LOCATED FROM
40 MILES EAST OF SOUTH BEND TO 10 MILES EAST OF FORT WAYNE TO 30 MILES
SOUTHEAST OF MARION INDIANA.

THE STORMS HAVE DANGEROUS LIGHTNING AND BRIEF HEAVY RAINFALL. HAIL
HAIL AND STRONG GUSTY WINDS ARE LIKELY. SOME FLOODING OF SMALL STREAMS
...DRAINAGE DITCHES AND LOW LYING AREAS IS POSSIBLE.
WITSAMAN
Special weather statement, Jun 3, 11:25 AM EST, 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
1125 AM EST SAT JUN 3 1989

....TORNADO WARNINGS PREVIOUSLY ISSUED FOR CASS AND ST JOSEPH COUNTIES
IN MICHIGAN...AND ELKHART AND KOSCUISKO COUNTIES IN INDIANA HAVE
EXPIRED AS OF 11 15 AM EST...12 15 PM EDT.

...A TORNADO WATCH IS IN EFFECT UNTIL 4PM EST...5PM EDT FOR SOUTHWEST
LOWER MICHIGAN AND MOST NORTHERN INDIANA....

THE THUNDERSTORMS THAT PRODUCED SEVERAL FUNNEL CLOUDS AND POSSIBLE
SMALL TORNADOES HAVE MOVED EAST INTO NORTHEAST INDIANA AND THOSE
OVER SOUTHWEST LOWER MICHIGAN HAVE WEAKENED.

PERSONS IN NORTHERN INDIANA AND SOUTHWEST LOWER MICHIGAN SHOULD REMAIN
ALERT FOR POSSIBLE REDEVELOPMENT OF THUNDERSTORMS THROUGH TGHIS
AFTERNOON.
MOWERY

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 3, 10:11 AM ESTSevere Thunderstorm WarningIWXGrant64 min
Jun 3, 10:55 AM ESTSevere Thunderstorm WarningIWXBlackford35 min
Jun 3, 11:54 AM ESTFlash Flood WarningIWXDeKalb2 hr
Jun 3, 12:33 PM ESTFlash Flood WarningIWXHuntington2 hr
Jun 3, 1:10 PM ESTFlash Flood WarningIWXWhitley3 hr
Jun 3, 2:01 PM ESTFlash Flood WarningIWXAllen, Huntington3 hr
Jun 3, 2:13 PM ESTFlash Flood WarningIWXAdams, Wells3 hr
Jun 3, 2:13 PM ESTFlash Flood WarningIWXBlackford, Grant3 hr
Jun 3, 2:57 PM ESTFlash Flood WarningIWXJay3 hr
Jun 3, 5:13 PM ESTFlash Flood WarningIWXAllen, Grant, Huntington, Wabash, Wells, Whitley3 hr
Jun 3, 5:13 PM ESTFlash Flood WarningIWXDeKalb3 hr
Jun 3, 5:13 PM ESTFlash Flood WarningIWXAdams3 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.