Alert archive / Indiana / Flash Flood Warnings in 1990

Flash Flood Warning 6, NWS Northern Indiana

August 18, 1990Wabash County, Indiana

NWS Northern Indiana issued this flash flood warning at Aug 18, 1990, 6:50 AM EST for Wabash County, Indiana. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Aug 18, 1990, 6:50 AM EST (11:50 UTC)
Expired
Aug 18, 1990, 9:15 AM EST
In force
2 hr
Issued by
NWS Northern Indiana
Area
Whole counties

County Wabash 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 00:00Z, 11.8 hours before the alert went out and 171 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 00:00Z on 1990-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 82 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 00:00Z on 1990-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 square meters per square second.1939Sfc1 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
82 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
1144 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
43 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 181150
FFWFWA
INC169-181415-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE FORT WAYNE IN
650 AM EST SAT AUG 18 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 915 AM EST FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE NORTHEAST PART OF INDIANA
      WABASH

AT 645 AM EST...RADAR INDICATED CONTINUED HEAVY RAIN OVER WABASH
COUNTY.  ANOTHER THUNDERSTORM WITH VERY HAEVY RAIN WAS 10 MILES
NORTH OF WABASH INDIANA.  IT WAS MOVING SOUTH AT 20 MILES PER HOUR.

WABASH COUNTY SHERIFFS REPORTED SOME WATER COVERED ROADS IN WABASH
COUNTY.

IF YOU LIVE AROUND THE CITY OF WABASH AVOID FLASH FLOOD PRONE AREAS.

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

DURING HEAVY RAINS...KEEP SMALL CHILDREN AWAY FROM OPEN STORM
DRAINS...WATER CATCHMENTS...STREAMS AND WATERWAYS.  SHALLOW...GENTLY
FLOWING WATER CAN BECOME A RAGING TORRENT IN A MATTER OF MINUTES.

WITSAMAN

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, Aug 18, 12:57 AM EST, 5 hours 53 minutes before
INZ001-004-180700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
1255 AM EST FRI AUG 18 1990

...THUNDERSTORMS WITH HEAVY RAINS CONTINUE ACROSS PORTIONS OF NORTH
CENTRAL INDIANA...

AT 1250 AM EST...AN AREA OF SHOWERS AND THUNDERSTORMS COVERED MUCH OF
THE NORTHERN THIRD OF INDIANA.

THUNDERSTORMS WITH HEAVY RAINS WERE LOCATED FROM STAR CITY TO RADIOVILLE
INDIANA...OR 37 MILES NORTH NORTHEAST TO 45 MILES NORTH OF LAFAYETTE.

THESE THUNDERSTORMS WERE PRODUCING DANGEROUS LIGHTNING AND VERY HEAVY
RAINFALL.

LOCALIZED FLOODING OF STREETS AND UNDERPASSES ARE LIKELY AS THESE STORMS
CONTINUE MOVING THROUGH STAR CITY...RADIOVILLE AND FRANCISVILLE THROUGH
2 AM EST/CDT.
.
DO @NOT TRY TO CROSS A ROADWAY THAT IS COVERED WITH WATER.
MS
Special weather statement, Aug 18, 1:49 AM EST, 5 hours 1 minute before
INZ001-004-180900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
145 AM EST SAT AUG 18 1990

...THUNDERSTORMS WITH HEAVY RAINS CONTINUE ACROSS PORTIONS OF NORTH
CENTRAL INDIANA...

AT 140 AM EST...AN AREA OF SHOWERS AND THUNDERSTORMS COVERED MUCH OF
THE NORTHERN THIRD OF INDIANA. THE TUNDERSTROMS WITH HEAVY RAINS WERE
LOCATED NORTH OF A LINE FROM LOGANSPORT NORTHWEST TO KOUTS INDIANA...
OR 35 MILES NORTHEAST OF LAFAYETTE TO 50 MILES NORTH LAFAYETTE. OTHER
STORMS WERE 10 MILES SOUTHWEST OF MICHIGAN CITY TO 30 MILES NORTH
NORTHWEST OF MICHIGAN CITY INDIANA.

THESE THUNDERSTORMS WERE PRODUCING DANGEROUS LIGHTNING AND VERY HEAVY
RAINFALL.

LOCALIZED FLOODING OF STREETS ANiD UNDERPASSES ARE LIKELY AS THESE STORMS
MOVE THROUGH LOGANSPORT...WINAMAC...AND NORTH JUDSON.
.
DRIVE CAUTIOUSLY AND DO NOT TRY TO CROSS A ROADWAY THAT IS COVERED
WITH WATER.
GALLAGHER
Special weather statement, Aug 18, 3:20 AM EST, 3 hours 30 minutes before
INZ001-004-181000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
315 AM EST SAT AUG 18 1990

...THUNDERSTORMS WITH HEAVY RAINS CONTINUE ACROSS PORTIONS OF NORTH
CENTRAL INDIANA AND SOUTHWEST LOWER MICHIGAN...

AT 310 AM EST...AN AREA OF SHOWERS AND THUNDERSTORMS COVERED MUCH OF
NORTH CENTRAL INDIANA AND SOUTHWEST LOWER MICHIGAN. THE STRONGEST
STORMS WERE LOCATED 7 MILES WEST OF TWIN LAKES...24 MILES SOUTH OF
SOUTH BEND...AND 10 MILES OUT TO 30 MILES WEST OF GLENDORA MICHIGAN...
13 MILES NORTHWEST OF SOUTH BEND. THESE STORMS WERE MOVING SOUTHEAST AT
15 MILES AN HOUR.

THESE THUNDERSTORMS WERE PRODUCING DANGEROUS LIGHTNING AND VERY HEAVY
RAINFALL.

LOCALIZED FLOODING OF STREETS AND UNDERPASSES ARE LIKELY AS THESE STORMS
MOVE THROUGH SAWYER IN MICHIGAN...TWIN LAKES...AND CULVER IN INDIANA.
.
DRIVE CAUTIOUSLY AND DO NOT TRY TO CROSS A ROADWAY THAT IS COVERED
WITH WATER.
GALLAGHER
Local storm report, Aug 18, 4:15 AM EST, 2 hours 35 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE FORT WAYNE IN
415 AM EST SAT AUG 19 1990

STORM REPORT FOR FRI AUG 17 1990. ALL TIMES IN EST.

TIME        LOCATION              EVENT
2130 EST    GRANT CTY   TREES# AND POWER LINES WERE REPORTED DOWN IN
                        NORTHERN GRANT COUNTY BY THE SHERIFFS DEPT..

MARSHALL
Special weather statement, Aug 18, 4:19 AM EST, 2 hours 31 minutes before
INZ001-004-181200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
415 AM EST SAT AUG 18 1990

...THUNDERSTORMS WITH HEAVY RAINS CONTINUE ACROSS NORTH CENTRAL INDIANA
AND SOUTHWEST LOWER MICHIGAN...

AT 310 AM EST...AN AREA OF SHOWERS AND THUNDERSTORMS COVERED MUCH OF
NORTH CENTRAL INDIANA AND SOUTHWEST LOWER MICHIGAN. THE STRONGEST
STORMS WERE LOCATED OVER LAPORTE...18 MILES WEST SOTHWEST OF SOUTH BEND
AND 5 MILES SOUTHWEST OF PLYMOUTH...21 MILES SOUTH OF SOUTH BEND...AND
JUST WEST OF MICHIGAN CITY...ALL IN INDIANA. THE SHOWERS WERE MOVING
SOUTHEAST AT 15 MILES AN HOUR.

THESE THUNDERSTORMS WERE PRODUCING DANGEROUS LIGHTNING AND VERY HEAVY
RAINFALL.

LOCALIZED FLOODING( OF STREETS AND UNDERPASSES ARE LIKELY AS THESE STORMS
MOVE THROUGH LAPORTE...MICHIGAN CITY...AND TWIN LAKES.
.
DRIVE CAUTIOUSLY AND DO NOT TRY TO CROSS A ROADWAY THAT IS COVERED
WITH WATER.
GALLAGHER
Special weather statement, Aug 18, 5:39 AM EST, 1 hour 11 minutes before
INZ001-004-181300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
530 AM EST SAT AUG 18 1990

...THUNDERSTORMS WITH HEAVY RAINS CONTINUE ACROSS NORTH CENTRAL INDIANA
AND SOUTHWEST LOWER MICHIGAN...

AT 525 AM EST...AN AREA OF SHOWERS AND THUNDERSTORMS COVERED MUCH OF
NORTH CENTRAL INDIANA AND SOUTHWEST LOWER MICHIGAN. THE STRONGEST
STORMS WERE LOCATED OVER TIPPECANOE...31 MILES SOUTH SOUTHEAST OF SOUTH
BEND...JUST EAST OF LA CROSSE...34 MILES SOUTHWEST OF SOUTH BEND...AND
OVER KNOX...27 MILES SOUTH SOUTHWEST OF SOUTH BEND. THE SHOWERS WERE
MOVING SOUTHEAST AT 15 MILES AN HOUR.

THESE THUNDERSTORMS WERE PRODUCING DANGEROUS LIGHTNING AND VERY HEAVY
RAINFALL.

LOCALIZED FLOODING OF STREETS AND UNDERPASSES ARE LIKELY AS THESE STORMS
MOVE THROUGH BREMS...BOURBON...AND OBER.
.
DRIVE CAUTIOUSLY AND DO NOT TRY TO CROSS A ROADWAY THAT IS COVERED
WITH WATER.
GALLAGHER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 17, 9:11 PM ESTSevere Thunderstorm WarningIWXBlackford, Grant34 min
Aug 18, 1:24 AM ESTFlash Flood WarningIWXBlackford, Jay, Wells3 hr
Aug 18, 8:32 AM ESTFlash Flood WarningIWXHuntington3 hr

Nearby

Flash Flood Warnings in Indiana, 1990Every flash flood warning in 1990

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.