Alert archive / Illinois / Tornado Warnings in 2001
Tornado Warning 5, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Apr 21, 2001, 6:03 PM CDT for Tazewell County, Illinois. It was in force for 42 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Apr 21, 2001, 6:03 PM CDT (23:03 UTC)
- Expired
- Apr 21, 2001, 6:45 PM CDT
- In force
- 42 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Tazewell County, IL
The radar
The Lincoln radar (KILX), 47 km from the middle of the area, began a volume at 23:05 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 |
|---|---|---|---|
| Apr 21, 6:50 PM CDT | Thunderstorm Wind 50 E | Green Vly, IL | Irrigation tower blown over. |
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 21, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.1 hours before the alert went out and 92 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
- 163 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 663 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 249 m²/s²
- 0-3 km storm-relative helicity
- 246 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KILX 212304 TORSPI ILC179-212345- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LINCOLN IL 603 PM CDT SAT APR 21 2001 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * TORNADO WARNING FOR... TAZEWELL COUNTY IN CENTRAL ILLINOIS * UNTIL 645 PM CDT * AT 603 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO NEAR SOUTH PEKIN...OR ABOUT 4 MILES SOUTH OF PEKIN...MOVING EAST AT 30 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... TREMONT HOPEDALE MORTON MACKINAW MINIER 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. REPORT SEVERE WEATHER OR ANY STORM DAMAGE TO YOUR LOCAL ESDA...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE. STAY TUNED FOR LATER STATEMENTS. LAT...LON 4059 8972 4041 8971 4040 8928 4068 8936 NNNN FRIEDERS
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 5:37 PM CDT | Severe Thunderstorm Warning | ILX | Woodford | 38 min |
| Apr 21, 5:43 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 62 min |
| Apr 21, 6:08 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason | 52 min |
| Apr 21, 6:28 PM CDT | Tornado Warning | ILX | McLean | 62 min |
| Apr 21, 6:41 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 64 min |
Nearby
Tornado Warnings in Illinois, 2001Every tornado warning in 2001Tornadoes in 2001
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.