Alert archive / Illinois / Tornado Warnings in 1995
Tornado Warning 9, NWS Chicago, IL
NWS Chicago, IL issued this tornado warning at Jul 27, 1995, 7:22 PM CDT for Lee County, Illinois. It was in force for 18 min.
The area
The counties it named.
The facts
- Issued
- Jul 27, 1995, 7:22 PM CDT (00:22 UTC)
- Expired
- Jul 27, 1995, 7:40 PM CDT
- In force
- 18 min
- Issued by
- NWS Chicago, IL
- Area
- Whole counties
County Lee County, IL
The radar
The Chicago radar (KLOT), 102 km from the middle of the area, began a volume at 00:21 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, 0.4 hours before the alert went out and 101 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
- 2692 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 944 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- -92 m²/s²
- 0-3 km storm-relative helicity
- 534 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 100.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCHI 280025 TORCHI ILC103-280100- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE CHICAGO IL 722 PM CDT THU JUL 27 1995 THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL ILLINOIS ...CENTRAL AND EASTERN LEE COUNTY AT 720 PM LEE COUNTY EMERGENCY MANAGEMENT REPORTED A TORNADO ON THE GROUND AT STERLING ROAD AND LYONS ROAD NJUST EAST OF DIXON. THE STORM WAS MOVING EAST SOUTHEAST AT 30 MPH. TOWNS IN THE PATH OF THIS STORM ARE FRANKLIN GROVE AND SCARBORO. GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR! ALLSOPP &
What forecasters said that day
The local office's own words before this tornado 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 27, 7:07 PM CDT, 15 minutes before
ILZ005-006-012>014-020-022-INZ001-280000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHICAGO IL 100 PM CDT THU JUL 27 1995 THUNDERSTORMS APPROACHING THE CHICAGO AREA WILL BE PUSHING FROM NORTHWEST TO SOUTHEAST ACROSS THE METROPOLITAN AREA...ARRIVING IN THE FAR NORTH AND NORTHWEST SUBURBS BY 730 PM AND PUSHING INTO LAKE COUNTY INDIANA BY ABOUT 9PM. THESE STORMS HAVE HAD A HISTORY OF SEVERE WEATHER...AND A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA UNTIL MIDNIGHT. AT 7PM THE LEADING EDGE OF THE THUNDERSTORM AREA EXTENDED FROM MILWAUKEE...ABOUT 90 MILES NORTH OF CHICAGO...TO ABOUT 60 MILES WEST OF THE CHICAGO. THE THUNDERSTORM LINE WAS MOVING SOUTHEAST AT 35 MPH. AT 7PM A WIN D GUST OF 50 MPH WAS REPORTED FROM LAKE IN THE HILLS IN MC HENRY COUNTY. KOENEMAN
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 7:19 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Ogle | 26 min |
| Jul 27, 8:08 PM CDT | Severe Thunderstorm Warning | LOT | Kendall | 27 min |
Nearby
Tornado Warnings in Illinois, 1995Every tornado warning in 1995Tornadoes in 1995
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.