Alert archive / Indiana / Flash Flood Warnings in 1990

Flash Flood Warning 43, NWS Indianapolis, IN

July 9, 1990Montgomery County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jul 9, 1990, 7:06 PM EST for Montgomery County, Indiana. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Jul 9, 1990, 7:06 PM EST (00:06 UTC)
Expired: Jul 9, 1990, 10:15 PM EST
In force: 3 hr
Issued by: NWS Indianapolis, IN
Area: Whole counties

County Montgomery County, IN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 0.1 hours before the alert went out and 230 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: 732 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 696 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 151 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 100007
FFWIND
INC107-100315-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
706 PM EST MON JUL 9 1990
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1015 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN WEST CENTRAL INDIANA
          ...NORTHERN MONTGOMERY
 
AT 700 PM EST...AMATEUR RADIO OPERATORS REPORTED FLOODING OF ROUTE 231
ON THE MONTGOMERY AND TIPPECANOE COUNTY LINE. THE MONTGOMERY COUNTY
SHERIFF DEPARTMENT REPORTED SEVERAL NORTH COUNTY ROADS WITH TWO INCHES OWATER. A THUNDERSTORM LOCATED OVER NORTHERN MONTGOMERY COUNTY WAS
DROPPING LARGE AMOUNTS OF RAIN AS IT MOVED VERY SLOWLY TO THE EAST
SOUTHEAST.
 
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.
 
MPD

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 9, 5:33 PM EST, 1 hour 33 minutes before

INZALL>-092330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
531 PM EST MON JUL 9  1990

A SEVERE THUUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF NORTHERN AND
CENTRAL INDIANA UNTIL 9 PM EST.

A SEVERE THUNDERSTORM WARNING IS IN EFFECT UNTIL 545 PM EST FOR
BOONE COUNTY.

THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN RANDOLPH COUNTY HAS
EXPIRED.

AT 525 PM EST STRONG THUNDERSTORMS WERE FROM ABOUT 35 MILES WEST OF
INDIANAPOLIS INTO NORTHWEST BOONE COUNTY AND THEN TO AROUND KOKOMO
AND LOGANSPORT. STRONG THUNDERSTORMS WERE ALSO 30 MILES EAST OF
INDIANAPOLIS.

PRICE

Local storm report, Jul 9, 5:57 PM EST, 1 hour 9 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
557 PM EST MON JUL 9 1990

501 PM EST  MEASURED 65 MILE PER HOUR WINDS FIVE MILES NORTH OF
            RICHMOND ON INTERSTATE 70 IN WAYNE COUNTY. MEAS)URED BY
            AMATEUR RADIO OPERATOR. AT SAME TIME POWER LINES DOWN
            10 MILES NORTH OF RICHMOND.

MPD

Special weather statement, Jul 9, 6:06 PM EST, 1 hour before

INZALL>-100200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
605 PM EST MON JUL 9 1990

A SEVERE THUUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR THAT PART OF
INDIANA NORTH OF A LINE FROM 10 MILES NORTH OF LAFAYETTE TO 10 MILES
NORTH OF FORT WAYNE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR CENTRAL INDIANA
UNTIL 900 PM EST. THE WATCH AREA IS SOUTH OF A LINE FROM 10 MILES
NORTH OF LAFAYETTE TO 10 MILES NORTH OF FOR3T WAYNE AND NORTH OF A
LINE FROM TERRE HAUTE TO 40 MILES SOUTH OF RICHMOND.

MPD

Local storm report, Jul 9, 6:13 PM EST, 53 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
613 PM EST MON JUL 9 1990

510 PM EST  TREES, LIGHTPOLES, AND POWER LINES DOWN NEAR LYNN IN
            SOUTHERN RANDOLPH COUNTY. A TRANSFORMER EXPLOD7ED WHEN
            A POLE FELL, AND A FALLEN POWER LINE SET FIRE TO A TREE.
            REPORT FROM THE RANDOLPH COUNTY POLICE.

MPD

Special weather statement, Jul 9, 6:34 PM EST, 32 minutes before

INZ009-100030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
631 PM EST MON JUL 9 1990

THE SEVERE THUNDERSTORM WARNING FOR BOONE COUNTY HAS EXPIRED.

AT 625 PM EST VERY STRONG THUNDERSTORMS WERE STILL OVER PORTIONS OF
BOONE COUNTY. BRIEF PERIODS OF VERY HEAVY RAIN COULD STILL CAUSE LOCAL
FLOODING OF SMALL STREAMS AND STREETS.

OTHER STRONG THUNDERSTORMS WERE IN CENTRAL INDIANA FROM NEAR
INDIANAPOLIS WEST TO CENTRAL HENDRICKZS COUNTY AND THEN NORTH TO AROUND
LAFAYETTE. STRONG THUNDERSTORMS WERE ALSO MOVING INTO WESTERN HAMILTON
COUNTY.

PRICE

Special weather statement, Jul 9, 6:54 PM EST, 12 minutes before

INZ005-007-009-010>-100100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
650 PM EST MON JUL 9 1990

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR CENTRAL INDIANA UNTIL
900 PM EST. THE WATCH AREA IS SOUTH OF A LINE FROM 10 MILES NORTH OF
LAFAYETTE TO 10 MILES NORTH OF FORT WAYNE...AND NORTH OF A LINE FROM
TERRE HAUTE TO 40 MILES SOUTH OF RICHMOND.

AT 645 PM EST VERY STRONG THUNDERSTORMS WERE FROM ABOUT 10 MILES SOUTH
OF LAFAYETTE SOUTHEAST TO 20 MILES NORTHWEST OF INDIANAPOLIS AND THEN
TO 25 MILES NORTH OF INDIANAPOLIS...THIS IS IN NORTHERN MONTGOMERY...
BOONE...SOUTHERN CLINTON...HAMILTON...AND WESTERN MADISON COUNTIES.

AT 647 PM EST THE BOONE COUNTY SHERIFFS OFFICE REPORTED VERY HEAVY RAIN
IN LEBANON.

SCATTERED SHOWERS AND THUNDERSTORMS WERE ALSO BETWEEN INDIANAPOLIS AND
TERRE HAUTE.
.
PRICE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 7:55 PM EST	Severe Thunderstorm Warning	IND	Fountain, Montgomery	50 min
Jul 9, 7:58 PM EST	Severe Thunderstorm Warning	IND	Marion	32 min
Jul 9, 8:29 PM EST	Severe Thunderstorm Warning	IND	Montgomery	46 min
Jul 9, 8:51 PM EST	Severe Thunderstorm Warning	IND	Benton	54 min
Jul 9, 10:19 PM EST	Flash Flood Warning	IND	Montgomery	3 hr
Jul 9, 10:50 PM EST	Flash Flood Warning	IND	Fountain	2 hr

Nearby

Flash Flood Warnings in Indiana, 1990 Every flash flood warning in 1990

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.