Alert archive / Illinois / Tornado Warnings in 1996

Tornado Warning 17, NWS Chicago, IL

June 24, 1996Kankakee County, Illinois; Newton County, Indiana

NWS Chicago, IL issued this tornado warning at Jun 24, 1996, 1:45 AM CDT for Kankakee County, Illinois; Newton County, Indiana. It was in force for 30 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 24, 1996, 1:45 AM CDT (06:45 UTC)
Expired
Jun 24, 1996, 2:15 AM CDT
In force
30 min
Issued by
NWS Chicago, IL
Area
Whole counties

Counties Kankakee County, IL, Newton County, IN

The radar

The Chicago radar (KLOT), 73 km from the middle of the area, began a volume at 06:49 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 6.8 hours before the alert went out and 129 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 00:00Z on 1996-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3075 joules per kilogram.LCLEL10008507005003002001001 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, Lincoln, IL at 00:00Z on 1996-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
3075 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1342 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.5

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 Chicago, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 23, 8:29 PM CDTSevere Thunderstorm WarningLOTLee, Ogle31 min
Jun 23, 9:01 PM CDTSevere Thunderstorm WarningLOTLee, Ogle29 min
Jun 23, 9:34 PM CDTSevere Thunderstorm WarningLOTDeKalb, Lee, Ogle56 min
Jun 23, 10:06 PM CDTSevere Thunderstorm WarningLOTKane, Kendall54 min

Nearby

Tornado Warnings in Illinois, 1996Tornado Warnings in Indiana, 1996Every tornado warning in 1996Tornadoes in 1996

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; radar from the NEXRAD Level II archive.