Alert archive / Illinois / Tornado Warnings in 2000
Tornado Warning 5, NWS Chicago, IL
NWS Chicago, IL issued this tornado warning at May 12, 2000, 4:55 PM CDT for Kankakee County, Illinois. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- May 12, 2000, 4:55 PM CDT (21:55 UTC)
- Expired
- May 12, 2000, 5:45 PM CDT
- In force
- 50 min
- Issued by
- NWS Chicago, IL
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Kankakee County, IL
The radar
The Chicago radar (KLOT), 61 km from the middle of the area, began a volume at 21:57 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 12, 2:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 9.9 hours before the alert went out and 114 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
- 2035 J/kg
- Mixed-layer CIN
- -305 J/kg
- Mixed-layer LCL
- 1023 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 283 m²/s²
- 0-3 km storm-relative helicity
- 282 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KLOT 122157 TORCHI ILC091-122245- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE CHICAGO IL 455 PM CDT FRI MAY 12 2000 THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A * TORNADO WARNING FOR... KANKAKEE COUNTY IN NORTHEAST ILLINOIS * UNTIL 545 PM CDT * AT 455 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION 3 MILES SOUTH OF BUCKINGHAM...OR ABOUT 15 MILES SOUTHEAST OF DWIGHT...MOVING EAST AT 45 MPH. THIS STORM COULD PRODUCE A TORNADO AT ANY TIME. * THE TORNADO WILL BE NEAR IRWIN AROUND 505 PM CDT AROMA PARK AROUND 515 PM CDT HOPKINS PARK AROUND 525 PM CDT THIS REPLACES THE TORNADO WARNING WHICH WAS TO EXPIRE AT 5 PM CDT. IF NO UNDERGROUND SHELTER IS AVAILABLE...MOVE INTO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY STRUCTURE. LAT...LON 4107 8825 4101 8824 4104 8755 4111 8755 RATZER NNNN
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 3:52 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 23 min |
| May 12, 4:03 PM CDT | Tornado Warning | LOT | Ford, Livingston | 27 min |
| May 12, 4:15 PM CDT | Tornado Warning | LOT | Iroquois, Kankakee | 45 min |
| May 12, 4:29 PM CDT | Tornado Warning | LOT | Livingston | 31 min |
| May 12, 4:44 PM CDT | Severe Thunderstorm Warning | LOT | DuPage, Grundy, Kendall, Will | 46 min |
| May 12, 4:58 PM CDT | Tornado Warning | LOT | Iroquois | 32 min |
| May 12, 5:20 PM CDT | Tornado Warning | LOT | Iroquois | 40 min |
| May 12, 5:23 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 52 min |
| May 12, 5:25 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 35 min |
| May 12, 5:52 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Will | 23 min |
| May 12, 6:14 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 61 min |
Nearby
Tornado Warnings in Illinois, 2000Every tornado warning in 2000Tornadoes in 2000
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.