Alert archive / Illinois / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 44, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jul 10, 1986, 7:57 PM CDT for Cass County, Morgan County, Illinois. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Jul 10, 1986, 7:57 PM CDT (00:57 UTC)
- Expired
- Jul 10, 1986, 9:00 PM CDT
- In force
- 63 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Cass County, IL, Morgan County, IL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Salem-Leckrone, IL (KSLO), launched 00:00Z, 1.0 hours before the alert went out and 175 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
- 933 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 1223 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
In the hours before
Special weather statement, Jul 10, 4:44 PM CDT, 3 hours 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 435 PM CDT THU JUL 10 1986 .....THUNDERSTORMS IN CENTRAL ILLINOIS... AT 430PM A LINE OF THUNDERSTORMS EXTENDED FROM LA SALLE COUNTY TO ADAMS COUNTIES IN ILLINOIS. THE STRONG THUNDERSTORMS WERE LOCATED ABOUT 20 MILES NORTH OF PEORIA...20 MILES WEST OF PEORIA IN THE FARMINGTON AREA...ANOTHER 25 SOUTHWEST OF PEORIA FROM CANTON TO TO 5 MILES NORTH OF RUSHVILLE. AT 435 MARBLE SIZE HAIL WAS REPORTED AT VERMONT IN FULTON CO. AND AT PRINCEVILLE IN NORTHERN PEORIA CO. BY 530 PM THE LINE OF THUNDERSTORMS WILL EXTEND FROM AROUND JOLIET TO 10 MILES SOUTH OF PEORIA TO QUINCY ILLINOIS. THESE THUNDERSTORMS WERE MOVING TO THE EAST AT AB?OUT 30 MPH. GEER
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 7:35 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Macon | 55 min |
| Jul 10, 7:57 PM CDT | Severe Thunderstorm Warning | ILX | Menard | 63 min |
| Jul 10, 8:01 PM CDT | Severe Thunderstorm Warning | ILX | Piatt | 59 min |
| Jul 10, 8:09 PM CDT | Tornado Warning | ILX | DeWitt, Piatt | 21 min |
| Jul 10, 8:17 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 58 min |
| Jul 10, 8:45 PM CDT | Tornado Warning | ILX | Champaign | 30 min |
| Jul 10, 8:55 PM CDT | Tornado Warning | ILX | Macon | 35 min |
| Jul 10, 9:05 PM CDT | Tornado Warning | ILX | Douglas, Edgar, Vermilion | 25 min |
| Jul 10, 9:50 PM CDT | Tornado Warning | ILX | Champaign | 25 min |
| Jul 11, 2:59 PM CDT | Severe Thunderstorm Warning | ILX | Edgar, Vermilion | 61 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1986Every severe thunderstorm warning in 1986
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.