Alert archive / Indiana / Flash Flood Warnings in 1992

Flash Flood Warning 37, NWS Indianapolis, IN

August 8, 1992Jackson County, Lawrence County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Aug 8, 1992, 6:46 AM EST for Jackson County, Lawrence County, Indiana. It was in force for 119 min.

The area

The counties it named.

The facts

Issued: Aug 8, 1992, 6:46 AM EST (11:46 UTC)
Expired: Aug 8, 1992, 8:45 AM EST
In force: 119 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

Counties Jackson County, IN, Lawrence County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 11.8 hours before the alert went out and 211 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 861 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 865 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 116 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 081153
FFWIND
INC071-093-081345-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
646 AM EST SAT AUG 8 1992
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  845 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN SOUTH CENTRAL INDIANA
 
   ...JACKSON COUNTY...NORTHERN LAWRENCE COUNTY
 
LAWRENCE COUNTY POLICE REPORTED FLOODING IN SPRINGVILLE AND AVOCA...10
MILES NORTHWEST OF BEDFORD...AT 640 AM. THUNDERSTORMS WITH VERY HEAVY
RAINS WERE IN THAT AREA AND MOVING EAST TOWARD SEYMOUR.
 
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.
 
DS

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 8, 5:15 AM EST, 1 hour 31 minutes before

INZ008>015-081115

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
513 AM EST SAT AUG 8 1992

...SHOWERS AND THUNDERSTORMS WERE DUMPING VERY HEAVY RAIN OVER THE
SOUTH PART OF CENTRAL INDIANA EARLY THIS MORNING...

SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAIN EXTENDED FROM BETWEEN
TERRE HAUTE AND VINCENNES...EASTWARD ACROSS SOUTH CENTRAL INDIANA INTO
SOUTHEAST INDIANA.

STREET FLOODING AND PONDED WATER ON ROADS MAY OCCUR OVER THE SOUTH PART
OF CENTRAL INDIANA UNTIL AFTER SUNRISE. THE MAIN AREA WHERE STREET
FLOODING MAY OCCUR WILL BE FROM NEAR LINTON...BEDFORD AND MITCHELL...
ACROSS SEYMOUR AND NORTH VERNON TO THE VERSAILLES AREA.

THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST AT 30 TO 35 MILES AN HOUR.

SHOWERS AND THUNDERSTORMS WILL CONTINUE MOVING EASTWARD ACROSS THE
SOUTH PART OF CENTRAL INDIANA UNTIL 7 OR 8AM EST.

REPORT SERIOUS FLOODING TO THE NEAREST POLICE AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.

GRAY

Nearby

Flash Flood Warnings in Indiana, 1992 Every flash flood warning in 1992

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.