Alert archive / Indiana / Tornado Warnings in 1998

Tornado Warning 28, NWS Indianapolis, IN

July 19, 1998Boone County, Indiana

NWS Indianapolis, IN issued this tornado warning at Jul 19, 1998, 6:18 PM EST for Boone County, Indiana. It was in force for 32 min. 1 report 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
Jul 19, 1998, 6:18 PM EST (23:18 UTC)
Expired
Jul 19, 1998, 6:50 PM EST
In force
32 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Boone County, IN

What was reported inside it

TimeReportWhereRemark
Jul 19, 7:00 PM ESTThunderstorm WindLebanon, INTree blown down on house trapped man underneath, seriously injuring him.

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 watch it was issued in

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

IssuedProductOfficeLasted
Jul 19, 3:15 PM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.3 hours before the alert went out and 182 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 1998-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 954 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 1998-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
954 J/kg
Mixed-layer CIN
-208 J/kg
Mixed-layer LCL
1868 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 192318
TORIND
INC011-192350-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
618 PM EST SUN JUL 19 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN BOONE COUNTY IN CENTRAL INDIANA

* UNTIL 650 PM EST

* AT 617 PM EST... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 15 MILES NORTHEAST OF CRAWFORDSVILLE NEAR THORNTOWN...
  MOVING EAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  PIKE AT 625 PM
  ELIZAVILLE AT 635 PM
  TERHUNE AT 640 PM

IF YOU ARE IN A MULTIPLE STORY BUILDING...GO TO A SMALL INTERIOR
ROOM AWAY FROM WINDOWS.

ZIMMERMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 9:26 AM ESTSevere Thunderstorm WarningINDHancock, Henry, Madison, Marion49 min
Jul 19, 5:55 PM ESTSevere Thunderstorm WarningINDMontgomery, Tippecanoe35 min
Jul 19, 6:28 PM ESTSevere Thunderstorm WarningINDClinton, Tipton62 min
Jul 19, 6:49 PM ESTSevere Thunderstorm WarningINDHoward21 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.