Alert archive / Indiana / Tornado Warnings in 1998

Tornado Warning 20, NWS Indianapolis, IN

June 11, 1998Madison County, Indiana

NWS Indianapolis, IN issued this tornado warning at Jun 11, 1998, 7:49 PM EST for Madison County, Indiana. It was in force for 36 min. 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, 7:49 PM EST (00:49 UTC)
Expired
Jun 11, 1998, 8:25 PM EST
In force
36 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Madison County, IN

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 11, 5:00 PM ESTTornado WatchSPC5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.8 hours before the alert went out and 183 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 1998-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 593 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 1998-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 388 square meters per square second.19395878Sfc1 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
593 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
676 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
388 m²/s²
0-3 km storm-relative helicity
431 m²/s²
Significant tornado parameter
1.0
Supercell composite
11.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 120049 RRA
TORIND
INC095-120125-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
749 PM EST THU JUN 11 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH MADISON COUNTY IN CENTRAL INDIANA

* UNTIL 825 PM EST

* AT 745 PM EST... SPOTTERS INDICATED A TORNADO NEAR ELWOOD... MOVING
  NORTHEAST AT 40 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  SUMMITVILLE

GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR!


DRT


&

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, 7:53 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 WarningINDClinton, Howard4 hr
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

Tornado Warnings in Indiana, 1998Every tornado warning in 1998Tornadoes 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.