Alert archive / Indiana / Flash Flood Warnings in 1998

Flash Flood Warning 31, NWS Indianapolis, IN

July 20, 1998Bartholomew County, Decatur County, Jennings County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jul 20, 1998, 5:43 AM EST for Bartholomew County, Decatur County, Jennings County, Indiana. It was in force for 6 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
Jul 20, 1998, 5:43 AM EST (10:43 UTC)
Expired
Jul 20, 1998, 12:00 PM EST
In force
6 hr
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Bartholomew County, IN, Decatur County, IN, Jennings County, IN

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 10.7 hours before the alert went out and 164 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, Cncnati-Daytn, OH at 00:00Z on 1998-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2300 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, Cncnati-Daytn, OH at 00:00Z on 1998-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 189 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
2300 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1282 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
189 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
1.0
Supercell composite
7.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 201043
FFWIND
INC005-031-079-201700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
543 AM EST MON JUL 20 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BARTHOLOMEW COUNTY IN CENTRAL INDIANA
  DECATUR COUNTY IN CENTRAL INDIANA
  JENNINGS COUNTY IN SOUTHEASTERN INDIANA

* UNTIL NOON EST

* AT 530 AM EST... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH VERY HEAVY RAIN CONTINUING TO MOVE SOUTHEAST AT
  30 MPH. MORE THUNDERSTORMS ARE EXPECTED THIS MORNING.

* NWS DOPPLER RADAR ESTIMATED OF 6 TO 10 INCHES OF RAIN FROM REPEATED
  THUNDERSTORM ACTIVITY ALL NIGHT LONG. NUMEROUS ROADS HAVE BEEN
  REPORTED TO BE UNDER WATER.

DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD! IF FLOOD WATERS
THREATEN YOU...MOVE IMMEDIATELY TO HIGHER GROUND!

DRT

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

Local storm report, Jul 20, 12:17 AM EST, 5 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1217 AM EST MON JUL 20 1998

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

1143 PM    1 E ARLINGTON             IN   WIND DAMAGE
07/19/98   RUSH

1204 AM    RUSHVILLE                 IN   WIND DAMAGE
07/20/98   RUSH                           GAS PUMPS BLOWN OVER AND
                                          TREES DOWN

1212 AM    ARLINGTON                 IN   WIND DAMAGE
07/20/98   RUSH                           TREES DOWN ON CR 775W

ZIMMERMAN
Local storm report, Jul 20, 3:20 AM EST, 2 hours 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
320 AM EST MON JUL 20 1998

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

0140 AM    COUNTYWIDE                IN   WIND DAMAGE
07/20/98   MORGAN                         NUMEROUS TREES AND POWER
                                          LINES BLOWN DOWN

0245 AM    COLUMBUS                  IN   WIND DAMAGE
07/>20/98   BARTHOLOMEW                    TREES BLOWN DOWN

JAS
Local storm report, Jul 20, 3:20 AM EST, 2 hours 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
320 AM EST MON JUL 20 1998

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

0140 AM    COUNTYWIDE                IN   WIND DAMAGE
07/20/98   MORGAN                         NUMEROUS TREES AND POWER
                                          LINES BLOWN DOWN

0245 AM    COLUMBUS                  IN   WIND DAMAGE
07/>20/98   BARTHOLOMEW                    TREES BLOWN DOWN

JAS
Special weather statement, Jul 20, 4:40 AM EST, 1 hour 3 minutes before
INZ003>009-012>018-020>075-080>082-085>088-202030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
440 AM EST MON JUL 20 1998

...EXCESSIVE HEAT LIKELY EARLY THIS WEEK...

HOT AND HUMID WEATHER WILL BE THE RULE FOR THE NEXT SEVERAL DAYS
AND POSSIBLY ALL WEEK LONG ACROSS THE SOUTH.

HIGH TEMPERATURES ARE FORECAST TO BE IN THE 90S ACROSS THE STATE
THROUGH WEDNESDAY. THESE HOT TEMPERATURES...COUPLED WITH HIGH
HUMIDITIES WILL LIKELY YIELD DAYTIME HEAT INDICES APPROACHING 105
DEGREES OVER MUCH OF INDIANA. HEAT INDICES REACHING 110 DEGREES
ARE FORECAST IN THE EVANSVILLE AREA WHERE A HEAT ADVISORY HAS
BEEN ISSUED FOR TODAY.

OVERNIGHT LOW TEMPERATURES ARE EXPECTED TO BE IN THE 70S ACROSS
THE STATE THROUGH WEDNESDAY...SO LITTLE RELIEF FROM THE HEAT AND
HUMIDITY WILL BE FELT EVEN AT NIGHT.

THE HEAT INDEX IS A MEASURE OF THE COMBINED EFFECT OF TEMPERATURE AND
HUMIDITY. WITH HEAT INDICES ABOVE 105 DEGREES...YOUR BODY HASN A HARD
TIMING COOLING ITSELF. REDUCED OUTDOOR ACTIVITY IS RECOMMENDED.
ALSO STAY OUT OF THE SUN IF POSSIBLE AND DRINK PLENTY OF WATER.

TUCEK
Special weather statement, Jul 20, 4:40 AM EST, 1 hour 3 minutes before
INZ003>009-012>018-020>075-080>082-085>088-202030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
440 AM EST MON JUL 20 1998

...EXCESSIVE HEAT LIKELY EARLY THIS WEEK...

HOT AND HUMID WEATHER WILL BE THE RULE FOR THE NEXT SEVERAL DAYS
AND POSSIBLY ALL WEEK LONG ACROSS THE SOUTH.

HIGH TEMPERATURES ARE FORECAST TO BE IN THE 90S ACROSS THE STATE
THROUGH WEDNESDAY. THESE HOT TEMPERATURES...COUPLED WITH HIGH
HUMIDITIES WILL LIKELY YIELD DAYTIME HEAT INDICES APPROACHING 105
DEGREES OVER MUCH OF INDIANA. HEAT INDICES REACHING 110 DEGREES
ARE FORECAST IN THE EVANSVILLE AREA WHERE A HEAT ADVISORY HAS
BEEN ISSUED FOR TODAY.

OVERNIGHT LOW TEMPERATURES ARE EXPECTED TO BE IN THE 70S ACROSS
THE STATE THROUGH WEDNESDAY...SO LITTLE RELIEF FROM THE HEAT AND
HUMIDITY WILL BE FELT EVEN AT NIGHT.

THE HEAT INDEX IS A MEASURE OF THE COMBINED EFFECT OF TEMPERATURE AND
HUMIDITY. WITH HEAT INDICES ABOVE 105 DEGREES...YOUR BODY HASN A HARD
TIMING COOLING ITSELF. REDUCED OUTDOOR ACTIVITY IS RECOMMENDED.
ALSO STAY OUT OF THE SUN IF POSSIBLE AND DRINK PLENTY OF WATER.

TUCEK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 7:46 PM ESTSevere Thunderstorm WarningINDBoone34 min
Jul 19, 7:59 PM ESTSevere Thunderstorm WarningINDClinton36 min
Jul 19, 8:11 PM ESTSevere Thunderstorm WarningINDRush34 min
Jul 19, 8:15 PM ESTSevere Thunderstorm WarningINDHamilton35 min
Jul 19, 8:40 PM ESTSevere Thunderstorm WarningINDMadison30 min
Jul 19, 9:14 PM ESTSevere Thunderstorm WarningINDDelaware31 min
Jul 19, 9:21 PM ESTSevere Thunderstorm WarningINDRandolph49 min
Jul 19, 9:43 PM ESTSevere Thunderstorm WarningINDMadison32 min
Jul 19, 11:13 PM ESTSevere Thunderstorm WarningINDRush32 min
Jul 19, 11:48 PM ESTSevere Thunderstorm WarningINDRush32 min
Jul 20, 1:20 AM ESTSevere Thunderstorm WarningINDJohnson, Marion, Morgan30 min
Jul 20, 1:47 AM ESTSevere Thunderstorm WarningINDShelby33 min
Jul 20, 1:52 AM ESTSevere Thunderstorm WarningINDJohnson33 min
Jul 20, 2:32 AM ESTSevere Thunderstorm WarningINDBartholomew, Decatur33 min
Jul 20, 2:54 AM ESTSevere Thunderstorm WarningINDBrown31 min
Jul 20, 3:06 AM ESTSevere Thunderstorm WarningINDBartholomew34 min
Jul 20, 3:26 AM ESTSevere Thunderstorm WarningINDJohnson, Shelby34 min
Jul 20, 11:40 AM ESTFlash Flood WarningINDBartholomew, Decatur, Jackson, Jennings5 hr

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.