Alert archive / Indiana / Tornado Warnings in 1998

Tornado Warning 55, NWS Northern Indiana

June 29, 1998LaGrange County, Steuben County, Indiana

NWS Northern Indiana issued this tornado warning at Jun 29, 1998, 7:39 PM EST for LaGrange County, Steuben County, Indiana. It was in force for 61 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 29, 1998, 7:39 PM EST (00:39 UTC)
Expired
Jun 29, 1998, 8:40 PM EST
In force
61 min
Issued by
NWS Northern Indiana
Area
Whole counties

Counties LaGrange County, IN, Steuben County, IN

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 0.7 hours before the alert went out and 190 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, Detroit, MI at 00:00Z on 1998-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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, Detroit, MI at 00:00Z on 1998-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.1939587897117Sfc1 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
6 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
2449 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

523 
WFUS53 KIWX 300039 RRA
TORFWA
INC087-151-300140-

BULLETIN- EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
739 PM EST MON JUN 29 1998

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN LAGRANGE COUNTY IN NORTHEASTERN INDIANA
  STEUBEN COUNTY IN NORTHEASTERN INDIANA

* UNTIL 840 PM EST

* AT 737 PM EST... DOPPLER RADAR AT NORTH WEBSTER INDICATED A
  DEVELOPING TORNADO 11 MILES WEST OF ANGOLA OR 6 MILES NORTH OF
  HELMER MOVING EAST AT 15 MPH.

* SOME LOCATIONS IN THE PATH OF THIS TORNADO ARE...
  CROOKED LAKE
  HUDSON
  ANGOLA
  PLEASANT LAKE
  BRUSHY PRARIE
  WILDWOOD

THIS IS A DANGEROUS STORM ACT QUICKLY. SEEK SHELTER IN AN
INTERIOR ROOM ON THE LOWEST FLOOR AWAY FROM WINDOWS.

TEH/TAL

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 29, 7:02 PM ESTTornado WarningIWXStarke33 min
Jun 29, 7:17 PM ESTTornado WarningIWXElkhart48 min
Jun 29, 7:23 PM ESTTornado WarningIWXStarke32 min
Jun 29, 7:25 PM ESTTornado WarningIWXCass, Miami50 min
Jun 29, 7:33 PM ESTTornado WarningIWXMarshall57 min
Jun 29, 7:42 PM ESTTornado WarningIWXFulton63 min
Jun 29, 8:00 PM ESTTornado WarningIWXKosciusko65 min
Jun 29, 8:09 PM ESTSevere Thunderstorm WarningIWXElkhart51 min
Jun 29, 8:14 PM ESTTornado WarningIWXMiami31 min
Jun 29, 8:21 PM ESTSevere Thunderstorm WarningIWXNoble, Whitley49 min
Jun 29, 8:43 PM ESTFlash Flood WarningIWXMiami102 min
Jun 29, 8:43 PM ESTFlash Flood WarningIWXMiami92 min
Jun 29, 8:51 PM ESTSevere Thunderstorm WarningIWXAllen, DeKalb64 min
Jun 29, 9:12 PM ESTTornado WarningIWXDeKalb33 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.