Alert archive / Indiana / Flash Flood Warnings in 1993

Flash Flood Warning 17, NWS Indianapolis, IN

July 24, 1993Hamilton County, Marion County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jul 24, 1993, 11:41 PM EST for Hamilton County, Marion County, Indiana. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jul 24, 1993, 11:41 PM EST (04:41 UTC)
Expired
Jul 25, 1993, 1:45 AM EST
In force
2 hr
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Hamilton County, IN, Marion County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 4.7 hours before the alert went out and 162 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 1993-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1993-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 250444
FFWIND
INC057-097-250645-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1141 PM EST SAT JUL 24 1993
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  145 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN CENTRAL INDIANA
 
   ...SOUTHERN HAMILTON COUNTY...NORTHERN MARION COUNTY
 
AT 1120 PM EST RADAR SHOWED A THUNDERSTORM WHICH WAS PRODUCING HAVE RAIN
OVER NORTHERN INDAINAPOLIS.
 
NUMEROUS OF REPORTS OF STREET FLOODING IN THE NORTHERN SECTIONS OF
INDIANAPOLIS.
 
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
 
 
&

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, Jul 24, 6:29 PM EST, 5 hours 12 minutes before
INZ004-005-007-250030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
625 PM EST SUN JUL 18 1993

...THUNDERSTORMS WERE OVER NORTHWEST INDIANA THIS EVENING...

AT 620 PM EST RADAR SHOWED THUNDERSTORMS FROM 10 MILES NORTH OF
LAFAYETTE TO 30 MILES SOUTHWEST OF LAFAYETTE.

THE STRONGEST STORM WAS LOCATED ABOUT 10 MILES NORTHWEST OF LAFAYETTE.
AT 610 PM EST THE BENTON COUNTY CIVIL DEFENSE REPORTED A GUST TO 62 MILE
AN HOUR.

THESE STORMS WERE MOVING EAST AT 20 MILES AN HOUR. PERSONS IN THE AREA
AROUND LAFAYETTE...CRAWFORDSVILLE AND FRANKFORT CAN EXPECT HEAVY
RAINFALL AND GUSTY WINDS WITH THESE STORMS BETWEEN 630 AND 730PM EST.

WJG
Special weather statement, Jul 24, 7:41 PM EST, 4 hours before
INZ004-005-007-008-011-012-250130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
740 PM EST SUN JUL 18 1993

...THUNDERSTORMS WERE OVER CENTRAL INDIANA THIS EVENING...

AT 730 PM EST RADAR SHOWED THUNDERSTORMS NEAR LOGANSPORT SOUTHWEST TO
LAFAYETTE...AND SOUTH FROM LAFAYETTE SOUTH TO CRAWFORDSVILLE.

THE STRONGEST STORM WAS ABOUT 5 MILES SOUTHWEST OF LAFAYETTE...NEAR THE
TOWN OF TAYLOR. ALL OF THESE STORMS HAVE WEAKEN SINCE 7 PM EST AS THEY
MOVED EAST AT 20 MILES AN HOUR.

AN ISOLATED THUNDERSTORM WAS 20 MILES SOUTHWEST OF BLOOMINGTON...NEAR
THE TOWNS OF BLOOMFIELD AND OWENSBURG. THIS STORM WAS MOVING NORTHEAST
AT 15 MILES AN HOUR.

PERSONS IN THE PATH OF THESE ST ORMS CAN EXPECT HEAVY RAINFALL...GUSTY
WINDS AND LIGHTNING. AS THESE STORMS APPROACH...MOVE INDOORS.

WJG
Special weather statement, Jul 24, 7:47 PM EST, 3 hours 54 minutes before
INZ004-005-007-008-011-012-250130-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
740 PM EST SUN JUL 18 1993

...THUNDERSTORMS WERE OVER CENTRAL INDIANA THIS EVENING...

AT 730 PM EST RADAR SHOWED THUNDERSTORMS NEAR LOGANSPORT SOUTHWEST TO
LAFAYETTE...AND SOUTH FROM LAFAYETTE TO CRAWFORDSVILLE.

THE STRONGEST STORM WAS ABOUT 5 MILES SOUTHWEST OF LAFAYETTE...NEAR THE
TOWN OF TAYLOR. ALL OF THESE STORMS HAVE WEAKEN SINCE 7 PM EST AS THEY
MOVED EAST AT 20 MILES AN HOUR.

AN ISOLATED THUNDERSTORM WAS 20 MILES SOUTHWEST OF BLOOMINGTON...NEAR
THE TOWNS OF BLOOMFIELD AND OWENSBURG. THIS STORM WAS MOVING NORTHEAST
AT 15 MILES AN HOUR.

PERSONS IN THE PATH OF TLHESE STORMS CAN EXPECT HEAVY RAINFALL...GUSTY
WINDS AND LIGHTNING. AS THESE STORMS APPROACH...MOVE INDOORS.

WJG
LINE 3 DELETE EXTRA /SOUTH/
Special weather statement, Jul 24, 8:32 PM EST, 3 hours 9 minutes before
INZ004-005-007-008-011-012-250230-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
830 PM EST SUN JUL 18 1993

...THUNDERSTORMS CONTINUE OVER CENTRAL INDIANA THIS EVENING...

AT 820 PM EST RADAR SHOWED THUNDERSTORMS FROM LAFAFETTE EAST TOWARD
PERU AND THEN SOUTH TO INDIANAPOLIS.

THE STRONGEST STORM WAS NEARING PERU. AT 815 PM EST THE INDIANA STATE
POLICE REPORTED HEAVY RAIN AND INTENSE LIGHTNING FROM LOGANSPORT TOWARD
PERU FROM THIS STORMS. THE STATE POLICE ALSO REPORTED 35 TO 40 MILE AN
HOUR WINDS WITH THIS STORM.

PERSONS IN THE PERU AREA SHOULD BE PREPARED FOR THE HEAVY RAIN. DO NOT
USE THE PHONE OR OTHER ELECTRICAL EQUIPMENT DURING A THUNDERSTORMS.

THE STORMS SOUTHWEST OF BLOOMINGTON HAS DISSIPATED SINCE 8 PM EST AND
ALL OF THE STORMS SOUTH OF KOKOMO HAVE CONTINUED TO WEAKEN SINCE
8 PM EST.

ALL OF THE STORMS WERE MOVING EAST AT 20 MILES AN HOUR.

WJG
Special weather statement, Jul 24, 11:17 PM EST, 24 minutes before
INZ005-009-010-250515-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1115 PM EST SUN JUL 18 1993

...THUNDERSTORMS WITH INTENSE LIGHTNING OVER CENTRAL INDIANA...

AT 11 PM EST EST RADAR SHOWED THUNDERSTORMS FROM THE NORTHERN SECTIONS
OF INDIANAPOLIS NORTH THROUGH ANDERSON TOWARD FORT WAYNE.

THESE STORMS WERE PRODUCING HEAVY RAINFALL AND INTENSE LIGHTNING. WIND
GUSTS OF 35 TO 40 MILES AN HOUR ARE POSSIBLE WITH THESE STORMS.

THE STORMS WERE MOVING EAST AT 20 MILES AN HOUR AND WILL MOVE INTO THE
AREA AROUND MUNCIE AND NEW CASTLE BY MIDNIGHT.

THE STRONGEST STORM WAS MOVING THROUGH THE NORTHEAST PART OF
INDIANAPOLIS.

DO NOT USE THE PHONE OR OTHER ELECTRICAL EQUIP|MENT DURING THUNDERSTORMS.

WJG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 12:34 AM ESTSevere Thunderstorm WarningINDHancock, Shelby41 min

Nearby

Flash Flood Warnings in Indiana, 1993Every flash flood warning in 1993

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.