Alert archive / Illinois / Tornado Warnings in 1998
Tornado Warning 38, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Apr 7, 1998, 9:48 PM CDT for Champaign County, Douglas County, Illinois. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 7, 1998, 9:48 PM CDT (02:48 UTC)
- Expired
- Apr 7, 1998, 10:30 PM CDT
- In force
- 42 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Champaign County, IL, Douglas County, IL
The radar
The Lincoln radar (KILX), 99 km from the middle of the area, began a volume at 02:49 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 |
|---|---|---|---|
| Apr 7, 7:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 2.8 hours before the alert went out and 40 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
- 756 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 671 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 185 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
522 WFUS1 KSPI 080249 RRA TORSPI ILC019-041-080330- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LINCOLN IL 948 PM CDT TUE APR 7 1998 * TORNADO WARNING FOR CHAMPAIGN COUNTY IN EAST CENTRAL ILLINOIS DOUGLAS COUNTY IN EAST CENTRAL ILLINOIS * UNTIL 1030 PM CDT * SOME LOCATIONS AFFECTED VILLA GROVE TUSCOLA TOLONO * AT 945 PM CDT LINCOLN DOPPLER RADAR INDICATED A POSSIBLE TORNADO 15 MILES SOUTH OF CHAMPAIGN...MOVING EAST NORTHEAST AT 30 MPH. TAKE COVER IMMEDIATELY IN A BASEMENT OR INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON MOBILE HOMES AND VEHICLES FOR SAFER SHELTER. AUTEN/GOETSCH
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 7:01 PM CDT | Tornado Warning | ILX | Vermilion | 59 min |
| Apr 7, 7:03 PM CDT | Tornado Warning | ILX | Coles, Douglas | 57 min |
| Apr 7, 7:13 PM CDT | Tornado Warning | ILX | Peoria, Tazewell | 62 min |
| Apr 7, 7:23 PM CDT | Tornado Warning | ILX | Woodford | 67 min |
| Apr 7, 7:28 PM CDT | Tornado Warning | ILX | DeWitt, McLean | 62 min |
| Apr 7, 7:39 PM CDT | Tornado Warning | ILX | Edgar | 51 min |
| Apr 7, 8:00 PM CDT | Tornado Warning | ILX | Douglas | 45 min |
| Apr 7, 8:10 PM CDT | Tornado Warning | ILX | Vermilion | 50 min |
| Apr 7, 8:24 PM CDT | Tornado Warning | ILX | DeWitt, McLean | 66 min |
| Apr 7, 8:28 PM CDT | Tornado Warning | ILX | Edgar | 62 min |
| Apr 7, 8:36 PM CDT | Tornado Warning | ILX | Effingham | 54 min |
| Apr 7, 9:08 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Piatt | 52 min |
| Apr 7, 9:11 PM CDT | Tornado Warning | ILX | Jasper | 64 min |
| Apr 7, 9:30 PM CDT | Tornado Warning | ILX | Clay, Effingham | 60 min |
| Apr 7, 10:07 PM CDT | Tornado Warning | ILX | Clark | 53 min |
| Apr 7, 10:22 PM CDT | Tornado Warning | ILX | Jasper | 53 min |
| Apr 7, 10:33 PM CDT | Tornado Warning | ILX | Clay | 57 min |
| Apr 7, 11:09 PM CDT | Tornado Warning | ILX | Crawford, Jasper | 51 min |
Nearby
Tornado Warnings in Illinois, 1998Every tornado warning in 1998Tornadoes in 1998
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.