Alert archive / Indiana / Flash Flood Warnings in 1998

Flash Flood Warning 16, NWS Indianapolis, IN

June 12, 1998Clinton County, Howard County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jun 12, 1998, 4:59 PM EST for Clinton County, Howard County, Indiana. It was in force for 4 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 12, 1998, 4:59 PM EST (21:59 UTC)
Expired
Jun 12, 1998, 9:00 PM EST
In force
4 hr
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Clinton County, IN, Howard County, IN

The radar

The Indianapolis radar (KIND), 76 km from the middle of the area, began a volume at 22:02 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.0 hours before the alert went out and 197 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 1998-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 538 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, Lincoln, IL at 12:00Z on 1998-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.1939587897Sfc1 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
538 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
1016 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 122159
FFWIND
INC023-067-107-130200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
459 PM EST FRI JUN 12 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLINTON COUNTY IN CENTRAL INDIANA
  HOWARD COUNTY IN CENTRAL INDIANA
  MONTGOMERY COUNTY IN WEST CENTRAL INDIANA

* UNTIL 900 PM EST

* AT 458 PM EST... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN FROM NEAR DANVILLE
  ILLINOIS TO NEAR LAFAYETTE INDIANA...MOVING EAST AT 30 MPH.
*
DON'T DRIVE ACROSS FLOODED ROADS! MOST FLASH FLOOD DEATHS OCCUR IN
AUTOMOBILES.

AREA RESIDENTS SHOULD MONITOR FLOOD CONDITIONS... AND BE PREPARED
TO MOVE TO HIGHER GROUND... SHOULD FLOOD WATERS THREATEN. IF FLASH
FLOODING IS OBSERVED... ACT QUICKLY. MOVE TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

ED:DY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 7:04 PM ESTTornado WarningINDHoward51 min
Jun 11, 7:19 PM ESTTornado WarningINDRandolph61 min
Jun 11, 7:31 PM ESTSevere Thunderstorm WarningINDGreene, Lawrence, Martin49 min
Jun 11, 7:31 PM ESTSevere Thunderstorm WarningINDDaviess49 min
Jun 11, 7:49 PM ESTTornado WarningINDMadison36 min
Jun 11, 7:53 PM ESTTornado WarningINDHendricks, Marion47 min
Jun 11, 8:09 PM ESTTornado WarningINDHamilton46 min
Jun 11, 8:25 PM ESTTornado WarningINDHoward30 min
Jun 11, 8:29 PM ESTTornado WarningINDTipton31 min
Jun 11, 8:51 PM ESTSevere Thunderstorm WarningINDJackson34 min
Jun 11, 9:23 PM ESTSevere Thunderstorm WarningINDRandolph32 min
Jun 12, 4:01 PM ESTFlash Flood WarningINDCarroll, Tippecanoe3 hr
Jun 12, 4:01 PM ESTFlash Flood WarningINDFountain, Warren3 hr
Jun 12, 4:33 PM ESTSevere Thunderstorm WarningINDTippecanoe47 min
Jun 12, 4:55 PM ESTSevere Thunderstorm WarningINDCarroll45 min
Jun 12, 4:59 PM ESTFlash Flood WarningINDMontgomery4 hr
Jun 12, 5:17 PM ESTTornado WarningINDHoward48 min
Jun 12, 6:13 PM ESTSevere Thunderstorm WarningINDBoone, Hendricks47 min
Jun 12, 6:17 PM ESTSevere Thunderstorm WarningINDMarion48 min
Jun 12, 6:32 PM ESTSevere Thunderstorm WarningINDDelaware, Madison33 min
Jun 12, 6:36 PM ESTSevere Thunderstorm WarningINDVigo49 min
Jun 12, 6:45 PM ESTSevere Thunderstorm WarningINDHancock50 min
Jun 12, 6:49 PM ESTSevere Thunderstorm WarningINDClay36 min
Jun 12, 6:58 PM ESTSevere Thunderstorm WarningINDHenry32 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; radar from the NEXRAD Level II archive.