Alert archive / Illinois / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 91, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at May 12, 2002, 1:43 AM CDT for Schuyler County, Illinois. It was in force for 47 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 12, 2002, 1:43 AM CDT (06:43 UTC)
- Expired
- May 12, 2002, 2:30 AM CDT
- In force
- 47 min
- Issued by
- NWS Lincoln, IL
- Area
- Counties, with a storm outline in the text
County Schuyler County, IL
The radar
The Lincoln radar (KILX), 109 km from the middle of the area, began a volume at 06:45 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, 6.7 hours before the alert went out and 162 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 120643 SVRSPI ILC169-120730- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LINCOLN IL 142 AM CDT SUN MAY 12 2002 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SCHUYLER COUNTY IN WEST CENTRAL ILLINOIS * UNTIL 230 AM CDT * AT 142 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 8 MILES NORTHWEST OF RUSHVILLE... MOVING EAST AT 50 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... LITTLETON RAY RUSHVILLE BROWNING FREDERICK THIS STORM IS CAPABLE OF PRODUCING WINDS IN EXCESS OF 60 MPH... DAMAGING HAIL...FREQUENT LIGHTNING...AND VERY HEAVY RAIN. TAKE SHELTER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS. 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 4028 9072 4012 9077 4000 9055 4017 9033 BYRD NNNN
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 7:52 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 38 min |
| May 11, 8:02 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 58 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.