Alert archive / Indiana / Flash Flood Warnings in 1991

Flash Flood Warning 17, NWS Indianapolis, IN

June 22, 1991Vigo County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jun 22, 1991, 2:31 PM EST for Vigo County, Indiana. It was in force for 119 min.

The area

The counties it named.

The facts

Issued
Jun 22, 1991, 2:31 PM EST (19:31 UTC)
Expired
Jun 22, 1991, 4:30 PM EST
In force
119 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Vigo County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 7.5 hours before the alert went out and 278 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 1991-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 348 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 1991-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 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
348 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
791 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
4 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 221931
FFWIND
INC167-222130-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
231 PM EST SAT JUN 22 1991
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  430 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN WEST CENTRAL INDIANA
 
   ...VIGO COUNTY
 
AT 225 PM EST RADAR SHOWED A THUNDERSTORM WHICH WAS PRODUCING VERY HEAVY
RAIN OVER TERRE HAUTE.
 
AT 220 PM EST AMATEUR RADIO OPERATOR REPORTED 3.5 INCHES OF RAINFALL IN
1 HOUR IN TERRE HAUTE.
 
THE STORM WHICH WAS CAUSING THE HEAVY RAIN WAS MOVING SLOWLY SOUTHEAST
AS 5 MILES AN HOUR. PERSONS IN TERRE HAUTE...AND THE TOWNS OF KELLER AND
RILEY SHOULD MOVE TO HIGH GROUND AT THE FIRST SIGNS OF FLOODING.
 
 
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.
 
WJG

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 22, 1:16 PM EST, 1 hour 15 minutes before
INZALL-221915-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
115 PM EST SAT JUN 22 1991

AT 105 PM EST STRONG THUNDERSTORMS WERE DEVELOPING IN CENTRAL INDIANA.
SCATTERED SHOWERS AND THUNDERSTORMS EXTENDED FROM TERRE HAUTE INDIANA
TO 40 MILES NORTH OF TERRE HAUTE.  ANOTHER AREA OF STORMS EXTENDED FROM
20 MILES SOUTHWEST OF KOKOMO TO 5 MILES SOUTHWEST OF MUNCIE.  THESE
STORMS WERE MOVING SOUTHEAST AT 20 MPH.

TOWNS IN THE PATH OF THESE STORMS...INCLUDING TIPTON AND ALEXANDRIA
...CAN EXPECT BRIEF HEAVY RAIN AND GUSTY WINDS.

ELSON

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.