Alert archive / Indiana / Flash Flood Warnings in 1993

Flash Flood Warning 12, NWS Indianapolis, IN

June 18, 1993Decatur County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jun 18, 1993, 8:29 PM EST for Decatur County, Indiana. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jun 18, 1993, 8:29 PM EST (01:29 UTC)
Expired
Jun 18, 1993, 10:30 PM EST
In force
2 hr
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Decatur County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 1.5 hours before the alert went out and 130 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 1993-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 742 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 1993-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
742 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
1164 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 190130
FFWIND
INC031-190330-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
829 PM EST FRI JUN 18 1993
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1030 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN CENTRAL INDIANA
 
   ...DECATUR COUNTY
 
AT 815 PM EST THE DECATUR COUNTY SHERRIF REPORTED FLOODING EAST AND
SOUTH OF GREENSBURG. HIGH WATER WAS EFFECTING STATE ROAD 421 SOUTH
OF GREENSBURG.
 
STREAMS AND CREEKS WILL CONTINUE TO RISE THIS EVENING.
 
 
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, Jun 18, 6:52 PM EST, 1 hour 37 minutes before
INZALL-190100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
652 PM EST FRI JUN 18 1993

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PARTS OF SOUTHEAST
INDIANA UNTIL 9 PM EST.

A SEVERE THUNDERSTORM WARNING IS IN EFFECT UNTIL 7 PM EST FOR DECATUR
COUNTY IN CENTRAL INDIANA.

AT 650 PM EST WEATHER SERVICE RADAR WAS SHOWING STRONG THUNDERSTORMS
EXTENDING FROM NEAR MUNCIE TO NEW CASTLE AND AROUND GREENSBUURG.

THESE THUNDERSTORMS CAN PRODUCE HAIL...STRONG GUSTY WINDS AND DANGEROUS
LIGHTNING.

VERY HEAVY RAIN IS ALSO LIKELY. THIS HEAVY RAIN COULD CAUSE FLOODING
OF STREETS AND AREAS OF POOR DRAINAGE.
.
THUNDERSTORMS WERE MOVING EAST AT AROUND 35 MILES AN HOUR TOWARD
WINCHESTER AND RICHMOND.

PRICE
Special weather statement, Jun 18, 6:55 PM EST, 1 hour 34 minutes before
INZALL-190100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
652 PM EST FRI JUN 18 1993

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PARTS OF SOUTHEAST
INDIANA UNTIL 9 PM EST.

A SEVERE THUNDERSTORM WARNING IS IN EFFECT UNTIL 7 PM EST FOR DECATUR
COUNTY IN CENTRAL INDIANA.

AT 650 PM EST WEATHER SERVICE RADAR WAS SHOWING STRONG THUNDERSTORMS
EXTENDING FROM NEAR MUNCIE TO NEW CASTLE AND AROUND GREENSBUURG.

THESE THUNDERSTORMS CAN PRODUCE HAIL...STRONG GUSTY WINDS AND DANGEROUS
LIGHTNING.

VERY HEAVY RAIN IS ALSO LIKELY. THIS HEAVY RAIN COULD CAUSE FLOODING
OF STREETS AND AREAS OF POOR DRAINAGE.
.
THUNDERSTORMS WERE MOVING EAST AT AROUND 35 MILES AN HOUR TOWARD
WINCHESTER AND RICHMOND.

PRICE
Local storm report, Jun 18, 7:33 PM EST, 56 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
730 PM EST FRI JUN 19 1993

...SEVERE WEATHER REPORTS FOR JUNE 19...

TIME              LOCATION      EVENT

1830 EST          DECATURE CO.  1 TREE DOWN 250 S JUST WEST OF 280 WEST
1845 EST          DECATURE CO.  1 TREE DOWN 2 1/2 MI N OF GREENSBURG
1845 EST          DECATURE CO.  3-6 INCH WATER ON COUNTY ROADS 2 MI S
                                OF GREENSBURG
1906 EST          DECATURE CO.  4 INCH WATER ON INTERSTATE 74.
Special weather statement, Jun 18, 7:38 PM EST, 51 minutes before
INZ007>013-190130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
740 PM EST FRI JUN 18 1993

...THE SEVERE THUNDERSTORM WATCH FOR PART OF SOUTHEAST INDIANA HAS BEEN
CANCELLED...

A SMALL STREAM AND CREEK FLOOD ADVISORY REMAINS IN EFFECT THIS EVENING
FOR DECATUR COUNTY...INCLUDING THE TOWN OF GREENSBURG.

PEOPLE ALONG COBB AND SAND CREEKS AS WELL AT THE VERNON FORK SHOULD
MONITOR WATER LEVELS. MOVE TO HIGH GROUND AT THE FIRST SIGNS OF RISING
WATER.

NO NOT DRIVE OR WALK THROUGH FLOODED AREAS.

AT 725 PM EST RADAR SHOWED SCATTERED OVER CENTRAL INDIANA. THE HEAVIEST
STORM WAS 10 MILES NORTHEAST OF GREENSBURG...NEAR THE TOWN OF
ANDERSONVILLE. ANOTHER HEAVY STORM WAS 10 MILES SOUTHEAST OF
MUNCIE...NEAR UNIONPORT.

BOTH OF THIS STORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL...SMALL HAIL
AND GUSTY WINDS AS THEY MOVE EAST AT 30 MILES AND HOUR.

OTHER SHOWERS AND THUNDERSTORMS WERE FROM BRAZIL THROUGH GREENCASTLE...
DANVILLE AND ZIONSVILLE.

THESE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR.

WJG
Special weather statement, Jun 18, 7:40 PM EST, 49 minutes before
INZ007>013-190130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
740 PM EST FRI JUN 18 1993

...THE SEVERE THUNDERSTORM WATCH FOR PART OF SOUTHEAST INDIANA HAS BEEN
CANCELLED...

A SMALL STREAM AND CREEK FLOOD ADVISORY REMAINS IN EFFECT THIS EVENING
FOR DECATUR COUNTY...INCLUDING THE TOWN OF GREENSBURG.

PEOPLE ALONG COBB AND SAND CREEKS AS WELL AT THE VERNON FORK SHOULD
MONITOR WATER LEVELS. MOVE TO HIGH GROUND AT THE FIRST SIGNS OF RISING
WATER.

NO NOT DRIVE OR WALK THROUGH FLOODED AREAS.

AT 725 PM EST RADAR SHOWED SCATTERED OVER CENTRAL INDIANA. THE HEAVIEST
STORM WAS 10 MILES NORTHEAST OF GREENSBURG...NEAR THE TOWN OF
ANDERSONVILLE. ANOTHER HEAVY STORM WAS 10 MILES SOUTHEAST OF
MUNCIE...NEAR UNIONPORT.

BOTH OF THIS STORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL...SMALL HAIL
AND GUSTY WINDS AS THEY MOVE EAST AT 30 MILES AND HOUR.

OTHER SHOWERS AND THUNDERSTORMS WERE FROM BRAZIL THROUGH GREENCASTLE...
DANVILLE AND ZIONSVILLE.

THESE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR.

WJG
Local storm report, Jun 18, 7:53 PM EST, 36 minutes before
LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
730 PM EST FRI JUN 19 1993

...SEVERE WEATHER REPORTS FOR JUNE 19...

TIME              LOCATION      EVENT

1830 EST          DECATUR CO.  1 TREE DOWN 250 S JUST WEST OF 280 WEST
1845 EST          DECATUR CO.  1 TREE DOWN 2 1/2 MI N OF GREENSBURG
1845 EST          DECATUR CO.  3-6 INCH WATER ON COUNTY ROADS 2 MI S
                                OF GREENSBURG
1906 EST          DECATUR CO.  4 INCH WATER ON INTERSTATE 74.

CORRECTED COUNTY NAME

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.