Alert archive / Illinois / Tornado Warnings in 1996
Tornado Warning 28, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at May 9, 1996, 8:45 PM CDT for Knox County, Illinois. It was in force for 45 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
- May 9, 1996, 8:45 PM CDT (01:45 UTC)
- Expired
- May 9, 1996, 9:30 PM CDT
- In force
- 45 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County Knox County, IL
The radar
The Quad Cities radar (KDVN), 82 km from the middle of the area, began a volume at 01:45 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 |
|---|---|---|---|
| May 9, 9:14 PM CDT | Hail 1.75 | Oneida, 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
Davenport, (KDVN), launched 00:00Z, 1.8 hours before the alert went out and 80 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
- 552 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 696 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- -495 m²/s²
- Significant tornado parameter
- -0.2
- Supercell composite
- -2.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSPI 100145 TORSPI ILC095-100230- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LINCOLN IL 845 PM CDT THU MAY 9 1996 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 930 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL ILLINOIS ...NORTHERN KNOX COUNTY AT 845 PM CDT...A TORNADO WAS INDICATED BY RADAR JUST WEST OF RIO... 11 MILES NORTH OF GALESBURG. THE TORNADO WAS MOVING EAST AT 30 MPH. SOME TOWNS IN THE PATH OF THIS TORNADO INCLUDE RIO...ONTARIO... SOPERVILLE AND ALTONA. TAKE COVER IMMEDIATELY IN A BASEMENT OR INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON MOBILE HOMES AND VEHICLES FOR SAFER SHELTER. ACT NOW TO "SAVE YOUR LIFE! $$ MILLER
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 9:23 PM CDT | Tornado Warning | ILX | Knox | 52 min |
| May 9, 9:52 PM CDT | Tornado Warning | ILX | Peoria, Stark | 53 min |
| May 10, 2:46 AM CDT | Severe Thunderstorm Warning | ILX | Knox | 44 min |
| May 10, 4:38 AM CDT | Severe Thunderstorm Warning | ILX | Logan, Menard | 32 min |
| May 10, 7:30 AM CDT | Severe Thunderstorm Warning | ILX | Shelby | 30 min |
| May 10, 7:47 AM CDT | Severe Thunderstorm Warning | ILX | Moultrie | 43 min |
| May 10, 11:27 AM CDT | Flash Flood Warning | ILX | Moultrie, Shelby | 3 hr |
| May 10, 12:15 PM CDT | Flash Flood Warning | ILX | Douglas, Vermilion | 6 hr |
Nearby
Tornado Warnings in Illinois, 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; radar from the NEXRAD Level II archive.