Alert archive / Indiana / Flash Flood Warnings in 1990

Flash Flood Warning 42, NWS Indianapolis, IN

July 9, 1990Boone County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jul 9, 1990, 6:19 PM EST for Boone County, Indiana. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 9, 1990, 6:19 PM EST (23:19 UTC)
Expired
Jul 9, 1990, 9:15 PM EST
In force
3 hr
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Boone 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 12:00Z, 11.3 hours before the alert went out and 194 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 1990-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1078 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 1990-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 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
1078 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
1196 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 092325
FFWIND
INC011-100215-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
619 PM EST MON JUL 9 1990
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  915 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN CENTRAL INDIANA
          ...NORTHWESTERN BOONE
 
AMATEUR RADIO OPERATORS REPORTED 2.75 INCHES OF RAIN FELL IN ABOUT 90
MINUTES TWO MILES NORTH OF DOVER AT 610 PM EST. FLASH FLOODING CAN BE
EXPECTED IN BOONE COUNTY NORTH OF STATE ROUTE 32 AND WEST OF
INTERSTATE 65.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TAO 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.
 
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, 5:03 PM EST, 1 hour 16 minutes before
INZ010-092230-

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

THE SEVERE THUUNDERSTORM WARNING FOR DELAWARE COUNTY HAS EXPIRED.

AT 5 PM EST SHOWERS AND THUNDERSHOWERS WERE STILL OVER DELAWARE COUNTY
BUT THE STRONG THUNDERSTORMS HAVE MOVED OUT OF THE COUNTY.

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

PRICE
Special weather statement, Jul 9, 5:13 PM EST, 1 hour 6 minutes before
INZALL>-092310-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
510 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 530 PM EST FOR
SOUTHERN RANDOLPH COUNTY.

AT 445 PM EST THE STATE POLICE REPORTED 40 TO 45 MILE AN HOUR WIND IN
SOUTHWEST RANDOLPH COUNTY.

AT 448 PM EST AMATEUR RADIO OPERATORS REPORTED WINDS ESTIMEATED TO NEAR
60 MILES AN HOUR IN GREENFIELD...20 MILES EAST OF INDIANAPOLIS.

AT 505 PM EST AMATEUR RADIO OPERATORS REPORTED A TREE DOWN IN NEW
CASTLE...40 MILES EAST OF INDIANAPOLIS.
PRICE
Special weather statement, Jul 9, 5:33 PM EST, 46 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, 22 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, 13 minutes 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, 6 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

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 3:14 PM ESTSevere Thunderstorm WarningINDTipton31 min
Jul 9, 4:10 PM ESTSevere Thunderstorm WarningINDBoone, Montgomery35 min
Jul 9, 4:25 PM ESTSevere Thunderstorm WarningINDDelaware35 min
Jul 9, 4:56 PM ESTSevere Thunderstorm WarningINDRandolph34 min
Jul 9, 5:12 PM ESTSevere Thunderstorm WarningINDBoone33 min
Jul 9, 5:43 PM ESTSevere Thunderstorm WarningINDBoone47 min

Nearby

Flash Flood Warnings in Indiana, 1990Every 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.