Alert archive / Illinois / Tornado Warnings in 1997
Tornado Warning 23, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Aug 24, 1997, 2:51 PM CDT for Logan County, Tazewell County, Illinois. It was in force for 39 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
- Aug 24, 1997, 2:51 PM CDT (19:51 UTC)
- Expired
- Aug 24, 1997, 3:30 PM CDT
- In force
- 39 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Logan County, IL, Tazewell County, IL
The radar
The Lincoln radar (KILX), 20 km from the middle of the area, began a volume at 19:51 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 |
|---|---|---|---|
| Aug 24, 2:54 PM CDT | Hail 1.25 | Hopedale, IL | |
| Aug 24, 3:10 PM CDT | Hail 1 | East Peoria, IL | One inch hail fell in East Peoria, Morton, and Delavan as the severe thunderstorms moved southeast across the county. |
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 |
|---|---|---|---|
| Aug 24, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 7.9 hours before the alert went out and 74 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
- 2 J/kg
- Mixed-layer CIN
- -283 J/kg
- Mixed-layer LCL
- 1391 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 282 m²/s²
- 0-3 km storm-relative helicity
- 389 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSPI 241951 RRA TORSPI ILC107-179-242030- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LINCOLN IL 251 PM CDT SUN AUG 24 1997 * TORNADO WARNING FOR NORTHERN LOGAN COUNTY IN CENTRAL ILLINOIS SOUTHERN TAZEWELL COUNTY IN CENTRAL ILLINOIS * UNTIL 330 PM CDT * SOME TOWNS AFFECTED DELAVAN EMDEN HARTSBURG ATLANTA * AT 249 PM CDT LINCOLN DOPPLER RADAR INDICATED A POSSIBLE TORNADO 2 MILES SOUTHWEST OF TREMONT NEAR I-155...MOVING SOUTHEAST AT 40 MPH. TAKE COVER IMMEDIATELY IN A BASEMENT OR INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON MOBILE HOMES AND VEHICLES FOR SAFER SHELTER. MILLER
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 10:35 AM CDT | Severe Thunderstorm Warning | ILX | Macon | 25 min |
| Aug 24, 12:32 PM CDT | Severe Thunderstorm Warning | ILX | Douglas | 28 min |
| Aug 24, 12:48 PM CDT | Severe Thunderstorm Warning | ILX | Coles | 27 min |
| Aug 24, 1:17 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 43 min |
| Aug 24, 1:26 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Coles, Edgar | 49 min |
| Aug 24, 1:52 PM CDT | Severe Thunderstorm Warning | ILX | Woodford | 38 min |
| Aug 24, 2:04 PM CDT | Severe Thunderstorm Warning | ILX | Peoria | 41 min |
| Aug 24, 3:17 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 43 min |
| Aug 24, 3:27 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, McLean | 48 min |
| Aug 24, 3:54 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 36 min |
| Aug 24, 4:09 PM CDT | Tornado Warning | ILX | Logan | 51 min |
| Aug 24, 4:24 PM CDT | Tornado Warning | ILX | Christian, Macon, Shelby | 36 min |
| Aug 24, 5:01 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 44 min |
| Aug 24, 5:25 PM CDT | Tornado Warning | ILX | Mason, Menard | 35 min |
| Aug 24, 5:28 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 32 min |
| Aug 24, 6:06 PM CDT | Severe Thunderstorm Warning | ILX | Mason, Menard | 39 min |
| Aug 24, 6:21 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 39 min |
| Aug 24, 6:51 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason, Menard | 39 min |
Nearby
Tornado Warnings in Illinois, 1997Every tornado warning in 1997Tornadoes in 1997
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.