Alert archive / Indiana / Flash Flood Warnings in 1998

Flash Flood Warning 12, NWS Indianapolis, IN

June 11, 1998Clinton County, Howard County, Tipton County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jun 11, 1998, 12:05 PM EST for Clinton County, Howard County, Tipton County, Indiana. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 11, 1998, 12:05 PM EST (17:05 UTC)
Expired
Jun 11, 1998, 3:05 PM EST
In force
3 hr
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Clinton County, IN, Howard County, IN, Tipton County, IN

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 5.1 hours before the alert went out and 204 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, Lincoln, IL at 12:00Z on 1998-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.1000850700500300200100-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 1998-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
6598 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 111705
FFWIND
INC015-023-067-157-159-112005-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1205 PM EST THU JUN 11 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CARROLL COUNTY IN NORTH CENTRAL INDIANA
  CLINTON COUNTY IN CENTRAL INDIANA
  HOWARD COUNTY IN CENTRAL INDIANA
  TIPPECANOE COUNTY IN WEST CENTRAL INDIANA
  TIPTON COUNTY IN CENTRAL INDIANA

* UNTIL 305 PM EST

* AT 1200 PM EST... RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY
RAIN FROM NEAR LAFAYETTE TO INDIANAPOLIS... MOVING MOVING NORTHEAST
AT 35 MPH. A PURDUE METEOROLOGY PROFESSOR NORTH OF LAFAYETTE
REPORTED 4.7 INCHES OF RAINFALL THOUGH 11 AM EST.

* FLOODING PROBLEMS FROM EARLIER TODAY WILL BE AGGRAVATED BY AN
ADDITIONAL 1 TO 2 INCHES WITH THESE STORMS

MOVE TO HIGHER GROUND IF FLOOD WATERS THREATEN.

CONLEY


&

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 11, 9:20 AM EST, 2 hours 45 minutes before
INZ047-111445-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
920 AM EST THU JUN 11 1998

...FUNNEL CLOUD SIGHTINGS OVER INDIANAPOLIS...

BETWEEN 845 AND 900 AM...THERE WERE SEVERAL REPORTS OF A FUNNEL CLOUD
FROM CITIZENS IN THE SPEEDWAY AREA AND ON THE NEAR WEST SIDE OF
INDIANAPOLIS. THE FUNNEL CLOUD WAS MOVING EAST. AT 910 AM...OBSERVERS
INDICATE THE FUNNEL WAS SHOWING SIGNS OF DISSIPATING.

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A VERY WEAK ROTATION
IN THESE SHOWERS. THEREFORE...THIS FUNNEL CLOUD IS NOT EXPECTED TO
TOUCHDOWN.

IF YOU LIVE ON THE NORTH SIDE OF INDIANAPOLIS AND SEE THREATENING
WEATHER...GET INTO A REINFORCED BUILDING IMMEDIATELY.

EDDY
Special weather statement, Jun 11, 9:22 AM EST, 2 hours 43 minutes before
INZ047-111445-

SPECIAL WEATHER STATEMENT...CORRECTED NAME OF PRODUCT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
922 AM EST THU JUN 11 1998

...FUNNEL CLOUD SIGHTINGS OVER INDIANAPOLIS...

BETWEEN 845 AND 900 AM...THERE WERE SEVERAL REPORTS OF A FUNNEL CLOUD
FROM CITIZENS IN THE SPEEDWAY AREA AND ON THE NEAR WEST SIDE OF
INDIANAPOLIS. THE FUNNEL CLOUD WAS MOVING EAST. AT 910 AM...OBSERVERS
INDICATE THE FUNNEL WAS SHOWING SIGNS OF DISSIPATING.

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A VERY WEAK ROTATION
IN THESE SHOWERS. THEREFORE...THIS FUNNEL CLOUD IS NOT EXPECTED TO
TOUCHDOWN.

IF YOU LIVE ON THE NORTH SIDE OF INDIANAPOLIS AND SEE THREATENING
WEATHER...GET INTO A REINFORCED BUILDING IMMEDIATELY.

EDDY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 12:05 PM ESTFlash Flood WarningINDCarroll, Tippecanoe3 hr
Jun 11, 5:44 PM ESTTornado WarningINDClinton, Montgomery46 min
Jun 11, 6:12 PM ESTTornado WarningINDHancock, Marion33 min
Jun 11, 6:27 PM ESTTornado WarningINDClinton, Tipton33 min
Jun 11, 6:45 PM ESTTornado WarningINDHancock, Henry60 min

Nearby

Flash Flood Warnings in Indiana, 1998Every flash flood warning in 1998

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.