Alert archive / Indiana / Flash Flood Warnings in 1998

Flash Flood Warning 26, NWS Indianapolis, IN

June 22, 1998Knox County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jun 22, 1998, 1:52 PM EST for Knox 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 22, 1998, 1:52 PM EST (18:52 UTC)
Expired
Jun 22, 1998, 4:55 PM EST
In force
3 hr
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Knox County, IN

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 6.9 hours before the alert went out and 192 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 1998-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 307 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, Lincoln, IL at 12:00Z on 1998-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 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
307 J/kg
Mixed-layer CIN
-227 J/kg
Mixed-layer LCL
1177 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
107 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 221851
FFWIND
INC083-222155-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
152 PM EST MON JUN 22 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CENTRAL KNOX COUNTY IN SOUTHWESTERN INDIANA

* UNTIL 455 PM EST

* AT 150 PM EST... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH VERY HEAVY RAIN EASTERN KNOX COUNTY... MOVING
  EAST AT 30 MPH.

* THE THUNDERSTORM THAT PASSED THROUGH WEST CENTRAL KNOX COUNTY
  DROPPED OVER AN INCH OF RAIN IN A HALF HOUR. THIS WILL AFFECT THE
  KELSO CREEK AREA.

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 22, 12:08 PM EST, 1 hour 44 minutes before
INZ021-029>031-036>042-044>049-051>057-060>065-067>072-222200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1208 PM EST MON JUN 22 1998

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM EST FOR
MOST OF CENTRAL AND SOUTHERN INDIANA.

THE SEVERE THUNDERSTORM WATCH AREA IS SOUTH OF A LINE FROM LAFAYETTE
TO 35 MILES NORTHEAST OF MUNCIE AND EAST OF A LINE FROM LAFAYETTE TO
TERRE HAUTE. THIS INCLUDES THE CITIES OF ANDERSON...INDIANAPOLIS...
BLOOMINGTON...COLUMBUS...VINCENNES AND SEYMOUR.

AN AREA OF STRONG THUNDERSTORMS HAD MOVED INTO WEST CENTRAL INDIANA
AT 1205 PM EST. THESE THUNDERSTORMS ARE MOVING EAST-SOUTHEAST AT 35
MPH.

THESE THUNDERSTORMS MAY BECOME SEVERE...AND PRODUCE LARGE HAIL AND
WIND GUSTS OVER 55 MPH. IF SEVERE WEATHER APPROACHES YOUR LOCATION...
SEEK SHELTER IN A STRONG BUILDING AND AWAY FROM WINDOWS.

ZIMMERMAN
Local storm report, Jun 22, 1:11 PM EST, 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
111 PM EST MON JUN 22 1998

TIME (EST) .....CITY LOCATION.....STATE   ...EVENT...
DATE       ....COUNTY LOCATION....        ...REMARKS...

1232 PM    BLOOMINGTON               IN   55-70 MPH WINDS REPORTED
06/22/98   MONROE                         BY STATE POLICE.

1247 PM    BLOOMINGTON               IN   ESTIMATED 60 MPH WINDS BY
06/22/98   MONROE                         AMATEUR RADIO OPERATOR.

1252 PM    BLOOMINGTON               IN   65-70 MPH WINDS REPORTED BY
06/22/98   MONROE                         AMATEUR RADIO OPERATOR.

EZ/MS
Special weather statement, Jun 22, 1:51 PM EST, 1 minute before
INZ029-030-036>042-044>049-051>057-060>065-067>072-222200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
151 PM EST MON JUN 22 1998

THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR PART OF CENTRAL
INDIANA. THE WATCH IS NO LONGER IN EFFECT WEST OF A LINE FROM 10
MILES WEST OF ANDERSON TO BLOOMINGTON AND NORTH OF A LINE FROM
BLOOMINGTON TO 15 MILES NORTH OF VINCENNES.

THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 PM EST FOR
EAST CENTRAL AND SOUTHERN INDIANA.

AT 150 PM EST AN AREA OF STRONG THUNDERSTORMS EXTENDED FROM NEAR
ANDERSON SOUTH TO COLUMBUS AND SEYMOUR AND WEST TO VINCENNES. THESE
THUNDERSTORMS WERE MOVING EAST AT 30 MPH.

ZIMMERMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 12:40 PM ESTSevere Thunderstorm WarningINDBrown, Monroe35 min
Jun 22, 12:44 PM ESTSevere Thunderstorm WarningINDLawrence31 min
Jun 22, 1:05 PM ESTSevere Thunderstorm WarningINDKnox50 min
Jun 22, 1:47 PM ESTSevere Thunderstorm WarningINDHenry33 min
Jun 22, 1:48 PM ESTSevere Thunderstorm WarningINDBartholomew32 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.