Alert archive / Indiana / Tornado Warnings in 1998

Tornado Warning 17, NWS Indianapolis, IN

June 11, 1998Hancock County, Henry County, Indiana

NWS Indianapolis, IN issued this tornado warning at Jun 11, 1998, 6:45 PM EST for Hancock County, Henry County, Indiana. It was in force for 60 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 11, 1998, 6:45 PM EST (23:45 UTC)
Expired: Jun 11, 1998, 7:45 PM EST
In force: 60 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

Counties Hancock County, IN, Henry County, IN

What was reported inside it

Time	Report	Where	Remark
Jun 11, 6:45 PM EST	Tornado F2	Eden, IN
Jun 11, 6:57 PM EST	Tornado F2	New Castle, IN
Jun 11, 7:22 PM EST	Tornado F1	Mt Summit, IN	Third tornado from single supercell four builings nad damaged nearly 10 others.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.8 hours before the alert went out and 161 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1257 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 619 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 98 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 4.2

Open this sounding in Storm Lab

The text

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

415 
WFUS1 KIND 112344 RRA
TORIND
INC059-065-120045-

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN HANCOCK COUNTY IN CENTRAL INDIANA
  NORTHWESTERN HENRY COUNTY IN EAST CENTRAL INDIANA

* UNTIL 745 PM EST

* AT 640 PM EST... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 5 MILES NORTH OF GREENFIELD NEAR MAXWELL... MOVING
  NORTHEAST AT 40 MPH.

* THE TORNADO IS EXPECTED AFFECT...
  WILKINSON
  SHIRLEY
  CADIZ
  SULPHUR SPRINGS

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

NUMEROUS REPORTS OF DAMAGE HAVE BEEN RECEIVED ON THIS TORNADO IN
MARION AND HANCOCK COUNTY.

DRT


&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 12:05 PM EST	Flash Flood Warning	IND	Clinton, Howard, Tipton	3 hr
Jun 11, 12:05 PM EST	Flash Flood Warning	IND	Carroll, Tippecanoe	3 hr
Jun 11, 5:44 PM EST	Tornado Warning	IND	Clinton, Montgomery	46 min
Jun 11, 6:12 PM EST	Tornado Warning	IND	Hancock, Marion	33 min
Jun 11, 6:27 PM EST	Tornado Warning	IND	Clinton, Tipton	33 min

Nearby

Tornado Warnings in Indiana, 1998 Every tornado warning in 1998 Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.