Alert archive / Illinois / Tornado Warnings in 1998
Tornado Warning 35, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Apr 7, 1998, 8:36 PM CDT for Effingham County, Illinois. It was in force for 54 min. 2 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
- Apr 7, 1998, 8:36 PM CDT (01:36 UTC)
- Expired
- Apr 7, 1998, 9:30 PM CDT
- In force
- 54 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County Effingham County, IL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 7, 9:05 PM CDT | Hail 1.75 | Effingham, IL | |
| Apr 7, 9:38 PM CDT | Hail 1.75 | Effingham, 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 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, 4:15 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 1.6 hours before the alert went out and 121 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.
000 TTAA00 KSPI 080138 RRA TORSPI ILC049-080230- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LINCOLN IL 836 PM CDT TUE APR 7 1998 * TORNADO WARNING FOR EFFINGHAM COUNTY IN SOUTHEASTERN ILLINOIS * UNTIL 930 PM CDT * SOME LOCATIONS AFFECTED ALTAMONT EFFINGHAM TEUTOPOLIS * AT 830 PM CDT LINCOLN DOPPLER RADAR INDICATED A POSSIBLE TORNADO 10 MILES SOUTHWEST OF EFFINGHAM...MOVING NORTHEAST AT 30 MPH. TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT BECAUSE THEY ARE HARD TO SEE. TAKE COVER IN A BASEMENT OR INTERIOR ROOM ON THE LOWEST FLOOR. FRIEDERS
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, 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, 9:48 PM CDT | Tornado Warning | ILX | Champaign, Douglas | 42 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.