Alert archive / Illinois / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 138, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jun 27, 2002, 3:20 PM CDT for Jasper County, Illinois. It was in force for 40 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 27, 2002, 3:20 PM CDT (20:20 UTC)
- Expired
- Jun 27, 2002, 4:00 PM CDT
- In force
- 40 min
- Issued by
- NWS Lincoln, IL
- Area
- Counties, with a storm outline in the text
County Jasper County, IL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 27, 3:20 PM CDT | Thunderstorm Wind 50 E | St Marie, IL | Several large trees were blown over and minor siding damage occurred on a couple of homes. |
| Jun 27, 3:20 PM CDT | Hail 1 | St Marie, IL |
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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 8.3 hours before the alert went out and 140 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
- 1858 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 627 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KILX 272020 SVRSPI ILC079-272100- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LINCOLN IL 319 PM CDT THU JUN 27 2002 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... JASPER COUNTY IN SOUTHEAST ILLINOIS * UNTIL 400 PM CDT * AT 319 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER STE. MARIE...OR ABOUT 7 MILES SOUTHEAST OF NEWTON...MOVING EAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... STE. MARIE WILLOW HILL 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 3899 8822 3886 8818 3886 8795 3905 8796 CHURCHILL NNNN
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Lincoln, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 27, 2:17 PM CDT, 1 hour 3 minutes earlier.
Area forecast discussion, Jun 27, 2:17 PM CDT, 1 hour 3 minutes before
SPI UB 065/087 066/089 068 76000 PIA UB 063/086 065/088 067 76000 DEC UB 064/085 065/088 067 76000 CMI UB 064/085 063/087 065 76000 MTO UB 065/085 064/087 067 76200 LWV UB 067/087 066/088 068 76400=
In the hours before
Special weather statement, Jun 27, 11:00 AM CDT, 4 hours 20 minutes before
ILZ027>031-036>038-040>057-061>063-066>068-071>073-271700- HAZARDOUS WEATHER OUTLOOK FOR CENTRAL ILLINOIS NATIONAL WEATHER SERVICE LINCOLN IL 1100 AM CDT THU JUN 27 2002 THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING TO THE SOUTHEAST OF A LINE FROM PANA TO MATTOON TO PARIS. AN APPROACHING COOL FRONT WILL INTERACT WITH A MOIST AND UNSTABLE AIRMASS ACROSS CENTRAL AND SOUTHEAST ILLINOIS TO PRODUCE SCATTERED THUNDERSTORMS LATER TODAY. THE MAIN SEVERE WEATHER THREAT WILL BE HAIL AND STRONG WINDS LATE THIS AFTERNOON AND THIS EVENING. SPOTTER ACTIVATION MAY BE REQUIRED OVER SOUTHEASTERN ILLINOIS THIS AFTERNOON.
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 8:37 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 53 min |
| Jun 26, 11:58 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 47 min |
| Jun 27, 12:15 AM CDT | Flash Flood Warning | ILX | Marshall | 6 hr |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.