Alert archive / Indiana / Tornado Warnings in 1996
Tornado Warning 12, NWS Chicago, IL
NWS Chicago, IL issued this tornado warning at Apr 19, 1996, 8:58 PM EST for Marshall County, Indiana. It was in force for 32 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
- Apr 19, 1996, 8:58 PM EST (01:58 UTC)
- Expired
- Apr 19, 1996, 9:30 PM EST
- In force
- 32 min
- Issued by
- NWS Chicago, IL
- Area
- Whole counties
County Marshall County, IN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 19, 9:05 PM EST | Tornado F1 | Plymouth, 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.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 2.0 hours before the alert went out and 236 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
- 1505 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 765 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 213 m²/s²
- 0-3 km storm-relative helicity
- 268 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 11.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Apr 19, 4:22 PM EST, 4 hours 36 minutes before
ILZ019-021-192230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHICAGO IL 423 PM CDT FRI APR 19 1996 AT 417 PM A LINE OF STRONG THUNDERSTORMS WAS FROM LASALLE TO STREATOR IN LASALLE COUNTY. PEA SIZE HAIL WAS REPORTED IN WENONA IN EXTREME NORTHEAST MARSHALL COUNTY AS THE STORMS MOVED THROUGH. THESE STORMS WERE MOVING NORTHEAST AT 35 MPH AND WILL AFFECT OTTAWA BY 425 PM...SENECA BY 445 PM AND BOTH MORRIS AND YORKVILLE BY 515 PM. TRS
Special weather statement, Apr 19, 4:24 PM EST, 4 hours 34 minutes before
ILZ019>021-192230- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE CHICAGO IL 423 PM CDT FRI APR 19 1996 AT 417 PM A LINE OF STRONG THUNDERSTORMS WAS FROM LASALLE TO STREATOR IN LASALLE COUNTY. PEA SIZE HAIL WAS REPORTED IN WENONA IN EXTREME NORTHEAST MARSHALL COUNTY AS THE STORMS MOVED THROUGH. THESE STORMS WERE MOVING NORTHEAST AT 35 MPH AND WILL AFFECT OTTAWA BY 425 PM...SENECA BY 445 PM AND BOTH MORRIS AND YORKVILLE BY 515 PM. TRS CORRECTED CODING
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 7:29 PM EST | Tornado Warning | LOT | LaSalle, Livingston | 31 min |
| Apr 19, 7:39 PM EST | Tornado Warning | LOT | Kankakee | 36 min |
| Apr 19, 8:05 PM EST | Tornado Warning | LOT | LaSalle | 40 min |
| Apr 19, 8:22 PM EST | Tornado Warning | LOT | Grundy, Will | 38 min |
| Apr 19, 9:16 PM EST | Severe Thunderstorm Warning | LOT | Grundy, Kendall, Will | 29 min |
| Apr 19, 9:20 PM EST | Severe Thunderstorm Warning | LOT | Ogle, Winnebago | 25 min |
| Apr 19, 9:34 PM EST | Severe Thunderstorm Warning | LOT | Kankakee, Will | 26 min |
| Apr 19, 9:34 PM EST | Severe Thunderstorm Warning | LOT | Cook | 26 min |
| Apr 19, 9:41 PM EST | Severe Thunderstorm Warning | LOT | Ogle, Winnebago | 34 min |
| Apr 19, 10:00 PM EST | Severe Thunderstorm Warning | LOT | Kankakee, Will | 30 min |
| Apr 19, 10:00 PM EST | Severe Thunderstorm Warning | LOT | Cook | 30 min |
| Apr 19, 10:08 PM EST | Severe Thunderstorm Warning | LOT | Boone, McHenry | 37 min |
| Apr 19, 10:45 PM EST | Severe Thunderstorm Warning | LOT | Lake, McHenry | 30 min |
| Apr 19, 11:06 PM EST | Severe Thunderstorm Warning | LOT | Cook, Will | 34 min |
| Apr 19, 11:19 PM EST | Severe Thunderstorm Warning | LOT | Lake | 26 min |
| Apr 19, 7:20 PM EST | Tornado Warning | LOT | Lake, Newton | 25 min |
| Apr 19, 7:40 PM EST | Tornado Warning | LOT | Jasper, Porter | 35 min |
| Apr 19, 8:19 PM EST | Severe Thunderstorm Warning | LOT | LaPorte, Starke | 26 min |
| Apr 19, 9:25 PM EST | Tornado Warning | LOT | Elkhart, Kosciusko | 35 min |
| Apr 19, 11:25 PM EST | Severe Thunderstorm Warning | LOT | Lake, Porter | 35 min |
Nearby
Tornado 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.