Alert archive / Indiana / Flash Flood Warnings in 1991

Flash Flood Warning 9, NWS Indianapolis, IN

May 30, 1991Elkhart County, Kosciusko County, Marshall County, Indiana

NWS Indianapolis, IN issued this flash flood warning at May 30, 1991, 6:16 PM EST for Elkhart County, Kosciusko County, Marshall County, Indiana. It was in force for 119 min.

The area

The counties it named.

The facts

Issued
May 30, 1991, 6:16 PM EST (23:16 UTC)
Expired
May 30, 1991, 8:15 PM EST
In force
119 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Elkhart County, IN, Kosciusko County, IN, Marshall County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 11.3 hours before the alert went out and 224 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 1991-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2046 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 12:00Z on 1991-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
2046 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
618 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSBN 302318
FFWSBN
INC039-085-099-149-310115-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SOUTH BEND IN
616 PM EST (616 PM CDT) THU MAY 30 1991
 
THE NATIONAL WEATHER SERVICE IN SOUTH BEND HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  815 PM EST (815 PM CDT)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL INDIANA
 
   ...SOUTHERN ELKHART COUNTY...NORTHERN KOSCUISKO COUNTY
   ...MARSHALL COUNTY...STARKE COUNTY
 
AT 610 PM EST...SLOW MOVING THUNDERSTORMS PRODUCING VERY HEAVY
RAINFALL EXTENDED FROM NEAR NEW PARIS TO HAMLET INDIANA...OR FROM 24
MILES EAST SOUTHEAST TO 22 MILES SOUTHWEST OF SOUTH BEND.
 
THE HEAVY RAIN WAS FALLING ON GROUND ALREADY SATURATED FROM
THUNDERSTORMS EARLIER THIS AFTERNOON.  RAINFALL AMOUNTS OF 2 TO 3
INCHES HAVE LIKELY ALREADY FALLEN ACROSS THESE AREAS.
 
THUNDERSTORMS CAN BE EXPECTED TO CONTINUE THROUGH THE EARLY EVENING
HOURS THROUGHOUT THESE SAME AREAS.
 
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.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
 
SHIELDS

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, May 30, 3:11 PM EST, 3 hours 5 minutes before
INZALL-310200-

AREAL OUTLINE FOR SEVERE THUNDERSTORM WATCH NUMBER 437
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
310  PM EST THU MAY 30 1991

IN INDIANA THUNDERSTORM        WATCH NUMBER 437 IS IN EFFECT
UNTIL 900  PM EST AND INCLUDES THAT PART OF INDIANA...
FROM 35 MILES NORTHWEST OF TERRE HAUTE TO 15 MILES NORTH OF RICHMOND.

SOME CITIES INCLUDED ARE... SOUTH BEND...FORT WAYNE...KOKOMO...
LAFAYETTE...MUNCIE...PLYMONTH AND LOGANSPORT.

RE3MEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE
WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR
LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, May 30, 3:16 PM EST, 3 hours before
INZALL-310200-

AREAL OUTLINE FOR SEVERE THUNDERSTORM WATCH NUMBER 437
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
310  PM EST THU MAY 30 1991

IN INDIANA SEVERE THUNDERSTORM WATCH NUMBER 437 IS IN EFFECT
UNTIL 900  PM EST AND INCLUDES ALL OF INDIANA NORTH OF A LINE
FROM 35 MILES NORTHWEST OF TERRE HAUTE TO 15 MILES NORTH OF RICHMOND.

SOME CITIES INCLUDED ARE... SOUTH BEND...FORT WAYNE...KOKOMO...
LAFAYETTE...MUNCIE...PLYMONTH AND LOGANSPORT.

REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE
WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR
LATER STATEMENTS AND POSSIBLE WARNINGS.
@
...CORRECTION TO ADD NORTH OF A LINE....
Special weather statement, May 30, 4:52 PM EST, 1 hour 24 minutes before
INZALL-302250-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
450 PM EST WED MAY 29 1991

A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR ELKHART AND ST. JOSEPH
COUNTIES IN NORTH CENTRAL INDIANA UNTIL 530 PM EST.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM EST FOR THAT PART
OF INDIANA NORTH OF A LINE FROM 35 MILES NORTHWEST OF TERRE HAUTE TO
15 MILES NORTH OF RICHMOND.

SOME CITIES INCLUDED IN THE WATCH ARE SOUTH BEND...FORT WAYNE...KOKOMO
...LAFAYETTE...MUNCIE...PLYMOUTH AND LOGANSPORT.

AT 450 PM EST NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF
THUNDERSTORMS IN FAR NORTHERN INDIANA. THE THUNDERSTORMS EXTENDED
FROM 30 MILES NORTH OF FORT WAYNE TO SOUTH BEND...AND THEN SOUTHWEST
TO MORROCO...WHICH IS 45 MILES NORTHWEST OF LAFAYETTE.
.
THERE WAS ALSO AN ISOLATED THUNDERSTORM IN EAST CENTRAL ILLINOIS
ABOUT 20 MILES SOUTHWEST OF DANVILLE ILLINOIS.

THE STRONGEST THUNDERSTORMS WERE IN THE SOUTH BEND IN%DIANA AREA.
ALL OF THE THUNDERSTORMS WERE MOVING EAST AT 20 MPH.

PEOPLE IN NORTHERN INDIANA SHOULD BE ALERT FOR RAPIDLY CHANGING
WEATHER CONDTIONS...AND BE PREPARED TO TAKE SHELTER IF THREATENING
WEATHER APPROACHES.

HARLEY
Special weather statement, May 30, 5:45 PM EST, 31 minutes before
INZALL-302345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
542 PM EST THU MAY 30 1991

SEVERE THUNDERSTORM WARNINGS ARE IN EFFECT FOR SOUTHERN STARKE COUNTY
INDIDNA UNTIL 6 PM EST...AND KOSCUISKO COUNTY INDIANA UNTIL 545 PM EST.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM EST FOR THAT PART
OF INDIANA NORTH OF A LINE FROM 35 MILES NORTHWEST OF TERRE HAUTE TO
15 MILES NORTH OF RICHMOND.

SOME CITIES INCLUDED IN THE WATCH ARE SOUTH BEND...FORT WAYNE...KOKOMO
...LAFAYETTE...MUNCIE...PLYMOUTH AND LOGANSPORT.

AT 540 PM EST NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF
THUNDERSTORMS IN FAR NORTHERN INDIANA. THE THUNDERSTORMS EXTENDED
FROM 20 MILES NORTHEAST OF FORT WAYNE...TO 20 MILES SOUTH OF SOUTH BEND
...TO FRANCESVILLE...WHICH IS 40 MILES NORTH OF LAFAYETTE.
.
AN ISOLATED THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED JUST
WEST OF LAFAYTTE. THIS THUNDERSTORM WILL MOVE TO NEAR NEAR ROSSVILLE
BY 615 PM EST. THIS STORM MAY PRODUCE SOME SMALL HAIL...ALONG WITH
GUSTY WINDS...AND FREQUENT LIGHTNING.

OTHER ISOLATED THUNDERSTORMS WERE NEAR CRAWFORDSVILLE INDIANA...AND
NEAR DANVILLE ILLINOIS.

ALL OF THE THUNDERSTORMS WERE MOVING EAST AT 30 MPH.
c
PEOPLE IN NORTHERN INDIANA SHOULD BE ALERT FOR RAPIDLY CHANGING
WEATHER CONDTIONS...AND BE PREPARED TO TAKE SHELTER IF THREATENING
WEATHER APPROACHES.

HARLEY
Special weather statement, May 30, 5:50 PM EST, 26 minutes before
INZALL-302345-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
542 PM EST THU MAY 30 1991

SEVERE THUNDERSTORM WARNINGS ARE IN EFFECT FOR SOUTHERN STARKE COUNTY
INDIDNA UNTIL 6 PM EST...AND KOSCUISKO COUNTY INDIANA UNTIL 545 PM EST.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM EST FOR THAT PART
OF INDIANA NORTH OF A LINE FROM 35 MILES NORTHWEST OF TERRE HAUTE TO
15 MILES NORTH OF RICHMOND.

SOME CITIES INCLUDED IN THE WATCH ARE SOUTH BEND...FORT WAYNE...KOKOMO
...LAFAYETTE...MUNCIE...PLYMOUTH AND LOGANSPORT.

AT 540 PM EST NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF
THUNDERSTORMS IN FAR NORTHERN INDIANA. THE THUNDERSTORMS EXTENDED
FROM 20 MILES NORTHEAST OF FORT WAYNE...TO 20 MILES SOUTH OF SOUTH BEND
...TO FRANCESVILLE...WHICH IS 40 MILES NORTH OF LAFAYETTE.
.
AN ISOLATED THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED JUST
WEST OF LAFAYETTE. THIS THUNDERSTORM WILL MOVE TO NEAR ROSSVILLE
BY 615 PM EST. THIS STORM MAY PRODUCE SOME SMALL HAIL...ALONG WITH
GUSTY WINDS...AND FREQUENT LIGHTNING.

OTHER ISOLATED THUNDERSTORMS WERE NEAR CRAWFORDSVILLE INDIANA...AND
NEAR DANVILLE ILLINOIS.

ALL OF THE THUNDERSTORMS WERE MOVING EAST AiT 30 MPH.

PEOPLE IN NORTHERN INDIANA SHOULD BE ALERT FOR RAPIDLY CHANGING
WEATHER CONDTIONS...AND BE PREPARED TO TAKE SHELTER IF THREATENING
WEATHER APPROACHES.

HARLEY
...CORRECTED TYPOS...

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 3:37 PM ESTSevere Thunderstorm WarningINDSaint Joseph53 min
May 30, 3:51 PM ESTSevere Thunderstorm WarningINDElkhart54 min
May 30, 4:28 PM ESTSevere Thunderstorm WarningINDElkhart, Saint Joseph62 min
May 30, 4:58 PM ESTSevere Thunderstorm WarningINDKosciusko47 min
May 30, 5:01 PM ESTSevere Thunderstorm WarningINDElkhart, Saint Joseph44 min
May 30, 5:16 PM ESTSevere Thunderstorm WarningINDStarke44 min
May 30, 6:16 PM ESTFlash Flood WarningINDStarke119 min

Nearby

Flash Flood Warnings in Indiana, 1991Every flash flood warning in 1991

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.