Alert archive / Illinois / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 2, NWS Chicago, IL

January 18, 1996Livingston County, Illinois

NWS Chicago, IL issued this severe thunderstorm warning at Jan 18, 1996, 11:41 AM CST for Livingston County, Illinois. It was in force for 64 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
Jan 18, 1996, 11:41 AM CST (17:41 UTC)
Expired
Jan 18, 1996, 12:45 PM CST
In force
64 min
Issued by
NWS Chicago, IL
Area
Whole counties

County Livingston County, IL

The radar

The Chicago radar (KLOT), 89 km from the middle of the area, began a volume at 17:43 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.

What was reported inside it

TimeReportWhereRemark
Jan 18, 12:20 PM CSTThunderstorm Wind 56Dwight, IL

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

Lincoln, IL (KILX), launched 12:00Z, 5.7 hours before the alert went out and 83 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 1996-01-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1996-01-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 622 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
679 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
622 m²/s²
0-3 km storm-relative helicity
786 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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
Jan 18, 11:41 AM CSTSevere Thunderstorm WarningLOTFord, Iroquois64 min
Jan 18, 12:25 PM CSTSevere Thunderstorm WarningLOTGrundy, Kendall49 min
Jan 18, 12:25 PM CSTSevere Thunderstorm WarningLOTKankakee, Will61 min
Jan 18, 1:02 PM CSTSevere Thunderstorm WarningLOTCook50 min
Jan 18, 1:02 PM CSTSevere Thunderstorm WarningLOTBenton, Newton50 min
Jan 18, 1:31 PM CSTSevere Thunderstorm WarningLOTJasper, White46 min
Jan 18, 1:39 PM CSTSevere Thunderstorm WarningLOTPorter38 min
Jan 18, 2:02 PM CSTSevere Thunderstorm WarningLOTPulaski42 min
Jan 18, 2:02 PM CSTSevere Thunderstorm WarningLOTFulton, Marshall58 min
Jan 18, 2:02 PM CSTSevere Thunderstorm WarningLOTSaint Joseph58 min
Jan 18, 2:02 PM CSTSevere Thunderstorm WarningLOTLaPorte, Starke42 min
Jan 18, 2:35 PM CSTSevere Thunderstorm WarningLOTElkhart, Kosciusko55 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1996Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.