Alert archive / Illinois / Tornado Warnings in 2001
Tornado Warning 3, NWS Lincoln, IL
NWS Lincoln, IL issued this tornado warning at Apr 9, 2001, 5:56 PM CDT for Marshall County, Stark County, Illinois. It was in force for 49 min. 2 reports 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 9, 2001, 5:56 PM CDT (22:56 UTC)
- Expired
- Apr 9, 2001, 6:45 PM CDT
- In force
- 49 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Marshall County, IL, Stark County, IL
The radar
The Quad Cities radar (KDVN), 90 km from the middle of the area, began a volume at 22:59 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 9, 6:28 PM CDT | Tornado F0 | Camp Grove, IL | Tornado touched down in open field for approximately 5 minutes. No damage was reported. |
| Apr 9, 6:30 PM CDT | Hail 2.75 | Henry, IL | Hail ranged from dime to baseball size during the storm. Baseball size hail was also reported in Varna. |
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 nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 10.9 hours before the alert went out and 85 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
- 1342 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 192 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KILX 092257 TORSPI ILC123-175-092345- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LINCOLN IL 556 PM CDT MON APR 9 2001 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * TORNADO WARNING FOR... MARSHALL COUNTY IN CENTRAL ILLINOIS STARK COUNTY IN NORTH CENTRAL ILLINOIS * UNTIL 645 PM CDT * AT 556 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO NEAR CASTLETON...OR ABOUT 12 MILES SOUTHEAST OF KEWANEE... MOVING EAST AT 25 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... BRADFORD CAMP GROVE HENRY SPARLAND LACON WYOMING TWO INCH DIAMETER HAIL WAS REPORTED NEAR WYOMING AT 554 PM. IF YOU ARE IN THE PATH OF THIS STORM...ACT NOW TO PROTECT YOURSELF. DO NOT WAIT UNTIL YOU SEE THE TORNADO BEFORE TAKING ACTION. YOU MAY NOT SEE OR HEAR ITS APPROACH. 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 4124 8989 4113 8998 4097 8937 4124 8928 NNNN KMH
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 5:18 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 27 min |
| Apr 9, 5:45 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 30 min |
| Apr 9, 6:44 PM CDT | Tornado Warning | ILX | Marshall | 46 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.