Alert archive / Illinois / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 89, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at May 11, 2002, 7:52 PM CDT for Knox County, Illinois. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 11, 2002, 7:52 PM CDT (00:52 UTC)
- Expired
- May 11, 2002, 8:30 PM CDT
- In force
- 38 min
- Issued by
- NWS Lincoln, IL
- Area
- Counties, with a storm outline in the text
County Knox County, IL
The radar
The Quad Cities radar (KDVN), 86 km from the middle of the area, began a volume at 00:51 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.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 0.9 hours before the alert went out and 86 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 424 m above ground
- 0-6 km bulk shear
- 80 kt
- 0-1 km storm-relative helicity
- 556 m²/s²
- 0-3 km storm-relative helicity
- 666 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KILX 120052 SVRSPI ILC095-120130- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LINCOLN IL 750 PM CDT SAT MAY 11 2002 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... KNOX COUNTY IN WEST CENTRAL ILLINOIS * UNTIL 830 PM CDT * AT 750 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES WEST OF ABINGDON...OR ABOUT 11 MILES SOUTH OF MONMOUTH...MOVING NORTHEAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ABINGDON GALESBURG KNOXVILLE WATAGA LARGE HAIL IN EXCESS OF 1 INCH WILL ACCOMPANY THIS DANGEROUS STORM. MOVE INDOORS AND STAY AWAY FROM WINDOWS. ABANDON CARS AND MOBILE HOMES IF YOU ARE IN THE WARNED AREA. 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 4076 9075 4064 9058 4094 9012 4112 9035 EH NNNN
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 8:02 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 58 min |
| May 12, 1:43 AM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 47 min |
| May 12, 2:10 AM CDT | Flash Flood Warning | ILX | Schuyler | 6 hr |
| May 12, 2:24 AM CDT | Flash Flood Warning | ILX | Cass, Mason, Menard | 6 hr |
| May 12, 3:58 AM CDT | Flash Flood Warning | ILX | Christian, Logan, Macon, Morgan, Sangamon, Scott | 6 hr |
| May 12, 5:42 AM CDT | Flash Flood Warning | ILX | Coles, Douglas, Macon, Moultrie, Piatt, Shelby | 6 hr |
| May 12, 5:44 AM CDT | Flash Flood Warning | ILX | Coles, Douglas, Moultrie, Piatt, Shelby | 6 hr |
| May 12, 6:24 AM CDT | Flash Flood Warning | ILX | Edgar | 5 hr |
| May 12, 7:12 AM CDT | Flash Flood Warning | ILX | Clark, Cumberland | 7 hr |
| May 12, 10:56 AM CDT | Flash Flood Warning | ILX | Champaign, Vermilion | 6 hr |
| May 12, 12:11 PM CDT | Flash Flood Warning | ILX | Clay, Crawford, Effingham, Jasper, Lawrence, Richland | 6 hr |
| May 12, 5:21 PM CDT | Severe Thunderstorm Warning | ILX | Effingham, Jasper | 39 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2002Every severe thunderstorm warning in 2002
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.