Alert archive / Illinois / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 4, NWS Chicago, IL
NWS Chicago, IL issued this severe thunderstorm warning at Jan 18, 1996, 12:25 PM CST for Kankakee County, Will County, Illinois. It was in force for 61 min. 6 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
- Jan 18, 1996, 12:25 PM CST (18:25 UTC)
- Expired
- Jan 18, 1996, 1:26 PM CST
- In force
- 61 min
- Issued by
- NWS Chicago, IL
- Area
- Whole counties
Counties Kankakee County, IL, Will County, IL
The radar
The Chicago radar (KLOT), 37 km from the middle of the area, began a volume at 18:24 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 18, 12:53 PM CST | Thunderstorm Wind 55 | Joliet, IL | |
| Jan 18, 12:57 PM CST | Thunderstorm Wind 52 | (Jot) Joliet Distric, IL | |
| Jan 18, 1:00 PM CST | Thunderstorm Wind | Bolingbrook, IL | |
| Jan 18, 1:10 PM CST | Thunderstorm Wind | Lockport, IL | |
| Jan 18, 1:10 PM CST | Thunderstorm Wind | Frankfort, IL | |
| Jan 18, 1:15 PM CST | Thunderstorm Wind | Momence, 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, 6.4 hours before the alert went out and 139 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.
- 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
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 18, 11:41 AM CST | Severe Thunderstorm Warning | LOT | Ford, Iroquois | 64 min |
| Jan 18, 11:41 AM CST | Severe Thunderstorm Warning | LOT | Livingston | 64 min |
| Jan 18, 12:25 PM CST | Severe Thunderstorm Warning | LOT | Grundy, Kendall | 49 min |
| Jan 18, 1:02 PM CST | Severe Thunderstorm Warning | LOT | Cook | 50 min |
| Jan 18, 1:02 PM CST | Severe Thunderstorm Warning | LOT | Benton, Newton | 50 min |
| Jan 18, 1:31 PM CST | Severe Thunderstorm Warning | LOT | Jasper, White | 46 min |
| Jan 18, 1:39 PM CST | Severe Thunderstorm Warning | LOT | Porter | 38 min |
| Jan 18, 2:02 PM CST | Severe Thunderstorm Warning | LOT | Pulaski | 42 min |
| Jan 18, 2:02 PM CST | Severe Thunderstorm Warning | LOT | Fulton, Marshall | 58 min |
| Jan 18, 2:02 PM CST | Severe Thunderstorm Warning | LOT | Saint Joseph | 58 min |
| Jan 18, 2:02 PM CST | Severe Thunderstorm Warning | LOT | LaPorte, Starke | 42 min |
| Jan 18, 2:35 PM CST | Severe Thunderstorm Warning | LOT | Elkhart, Kosciusko | 55 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.