Alert archive / Indiana / Tornado Warnings in 1990

Tornado Warning 1, NWS Northern Indiana

June 2, 1990DeKalb County, Noble County, Indiana

NWS Northern Indiana issued this tornado warning at Jun 2, 1990, 8:22 PM EST for DeKalb County, Noble County, Indiana. It was in force for 38 min. 2 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 2, 1990, 8:22 PM EST (01:22 UTC)
Expired
Jun 2, 1990, 9:00 PM EST
In force
38 min
Issued by
NWS Northern Indiana
Area
Whole counties

Counties DeKalb County, IN, Noble County, IN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jun 2, 8:32 PM ESTThunderstorm Wind 0Noble, IN
Jun 2, 8:46 PM ESTThunderstorm Wind 0De Kalb, IN

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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 1.4 hours before the alert went out and 187 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, Dayton/James M C, OH at 00:00Z on 1990-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1038 joules per kilogram.LCLEL10008507005003002001001 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, Dayton/James M C, OH at 00:00Z on 1990-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 188 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
1038 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
715 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
188 m²/s²
0-3 km storm-relative helicity
285 m²/s²
Significant tornado parameter
1.1
Supercell composite
6.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 7:18 PM ESTSevere Thunderstorm WarningIWXLaGrange27 min
Jun 2, 7:46 PM ESTSevere Thunderstorm WarningIWXWabash, Whitley44 min
Jun 2, 8:32 PM ESTSevere Thunderstorm WarningIWXAllen28 min
Jun 2, 8:37 PM ESTSevere Thunderstorm WarningIWXWabash, Whitley38 min
Jun 2, 9:04 PM ESTSevere Thunderstorm WarningIWXAllen, Whitley26 min
Jun 2, 9:17 PM ESTSevere Thunderstorm WarningIWXDeKalb28 min
Jun 3, 4:14 PM ESTSevere Thunderstorm WarningIWXJay31 min

Nearby

Tornado Warnings in Indiana, 1990Every tornado warning in 1990Tornadoes in 1990

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.