Alert archive / Illinois / Tornado Warnings in 1997
Tornado Warning 13, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Apr 30, 1997, 4:00 PM CDT for Marshall County, Illinois. It was in force for 30 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 30, 1997, 4:00 PM CDT (21:00 UTC)
- Expired
- Apr 30, 1997, 4:30 PM CDT
- In force
- 30 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County Marshall County, IL
The radar
The Lincoln radar (KILX), 98 km from the middle of the area, began a volume at 21:00 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 30, 12:30 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 9.0 hours before the alert went out and 116 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1366 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
287 WFUS1 KSPI 302100 RRA TORSPI ILC123-302130- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LINCOLN IL 400 PM CDT WED APR 30 1997 * TORNADO WARNING FOR MARSHALL COUNTY - CENTRAL ILLINOIS * UNTIL 430 PM CDT * SOME TOWNS AFFECTED LACON LA ROSE * AT 400 PM CDT LINCOLN DOPPLER RADAR INDICATED A POSSIBLE TORNADO JUST NORTHEAST OF LACON...MOVING NORTHEAST AT 50 MPH. TAKE COVER IMMEDIATELY IN A BASEMENT OR INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON MOBILE HOMES AND VEHICLES FOR SAFER SHELTER. PLAHMER
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 2:03 PM CDT | Tornado Warning | ILX | Schuyler | 27 min |
| Apr 30, 2:27 PM CDT | Tornado Warning | ILX | Fulton, Schuyler | 48 min |
| Apr 30, 2:48 PM CDT | Tornado Warning | ILX | Knox | 42 min |
| Apr 30, 3:02 PM CDT | Tornado Warning | ILX | Peoria, Tazewell | 43 min |
| Apr 30, 3:02 PM CDT | Tornado Warning | ILX | Mason | 43 min |
| Apr 30, 3:15 PM CDT | Tornado Warning | ILX | Christian | 45 min |
| Apr 30, 3:23 PM CDT | Tornado Warning | ILX | Marshall, Stark | 37 min |
| Apr 30, 3:32 PM CDT | Tornado Warning | ILX | Macon | 43 min |
| Apr 30, 3:43 PM CDT | Tornado Warning | ILX | McLean, Tazewell | 47 min |
| Apr 30, 3:50 PM CDT | Tornado Warning | ILX | DeWitt | 40 min |
| Apr 30, 3:57 PM CDT | Tornado Warning | ILX | Piatt | 48 min |
| Apr 30, 4:05 PM CDT | Tornado Warning | ILX | Champaign | 55 min |
| Apr 30, 4:30 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland | 30 min |
| Apr 30, 4:40 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Edgar | 50 min |
| Apr 30, 5:36 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence, Richland | 29 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.