Alert archive / Illinois / Tornado Warnings in 1998
Tornado Warning 64, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at May 12, 1998, 9:40 PM CDT for Logan 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 counties it named.
The facts
- Issued
- May 12, 1998, 9:40 PM CDT (02:40 UTC)
- Expired
- May 12, 1998, 10:30 PM CDT
- In force
- 50 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County Logan County, IL
The radar
The Lincoln radar (KILX), 4 km from the middle of the area, began a volume at 02:41 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, 7:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 2.7 hours before the alert went out and 65 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
- 1906 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1317 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 6.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSPI 130240 RRA TORSPI ILC107-130330- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LINCOLN IL 940 PM CDT TUE MAY 12 1998 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * TORNADO WARNING FOR LOGAN COUNTY IN CENTRAL ILLINOIS * UNTIL 1030 PM CDT * AT 938 PM CDT LINCOLN DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM AND POSSIBLE TORNADO 7 MILES SOUTH OF LINCOLN... MOVING EAST AT 25 MPH. * THIS STORM IS EXPECTED TO AFFECT AREAS AROUND... MT PULASKI CHESTNUT LATHAM IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IN A BASEMENT OR INTERIOR ROOM ON THE LOWEST FLOOR. VEHICLES AND MOBILE HOMES SHOULD BE ABANDONED FOR A SAFER SHELTER. FRIEDERS
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 7:00 PM CDT | Tornado Warning | ILX | Morgan, Scott | 60 min |
| May 12, 7:18 PM CDT | Tornado Warning | ILX | Menard | 57 min |
| May 12, 7:22 PM CDT | Tornado Warning | ILX | Sangamon | 53 min |
| May 12, 7:26 PM CDT | Tornado Warning | ILX | Fulton | 64 min |
| May 12, 7:32 PM CDT | Flash Flood Warning | ILX | Fulton | 118 min |
| May 12, 7:37 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Woodford | 53 min |
| May 12, 7:43 PM CDT | Tornado Warning | ILX | Mason | 62 min |
| May 12, 7:59 PM CDT | Tornado Warning | ILX | Tazewell | 61 min |
| May 12, 8:36 PM CDT | Tornado Warning | ILX | Logan, Mason, Menard | 69 min |
| May 12, 9:13 PM CDT | Tornado Warning | ILX | Sangamon | 47 min |
| May 12, 9:36 PM CDT | Tornado Warning | ILX | Christian | 54 min |
| May 12, 9:50 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 70 min |
| May 12, 9:55 PM CDT | Tornado Warning | ILX | Macon | 65 min |
| May 12, 10:04 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 56 min |
| May 12, 10:12 PM CDT | Tornado Warning | ILX | Shelby | 63 min |
| May 12, 10:38 PM CDT | Tornado Warning | ILX | Piatt | 52 min |
| May 12, 11:25 PM CDT | Tornado Warning | ILX | Champaign | 65 min |
| May 13, 12:20 AM CDT | Tornado Warning | ILX | Vermilion | 55 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.