Alert archive / Illinois / Tornado Warnings in 1995
Tornado Warning 10, NWS Chicago, IL
NWS Chicago, IL issued this tornado warning at Aug 9, 1995, 3:54 PM CDT for Grundy County, LaSalle County, Illinois. It was in force for 51 min.
The area
The counties it named.
The facts
- Issued
- Aug 9, 1995, 3:54 PM CDT (20:54 UTC)
- Expired
- Aug 9, 1995, 4:45 PM CDT
- In force
- 51 min
- Issued by
- NWS Chicago, IL
- Area
- Whole counties
Counties Grundy County, IL, LaSalle County, IL
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 8.9 hours before the alert went out and 130 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
- 3029 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 854 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCHI 092054 TORCHI ILC063-099-092145- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE CHICAGO IL 354 PM CDT WED AUG 9 1995 THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 445 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST ILLINOIS ...WESTERN GRUNDY COUNTY...EASTERN LA SALLE COUNTY AT 350 PM CDT...SEVERAL REPORTS OF FUNNEL CLOUDS WERE RECEIVED FROM THE STATE POLICE...AND DOPPLER RADAR ALSO INDICATED A POSSIBLE TORNADO NEAR MARSEILLES...OR 7 MILES SOUTHEAST OF OTTAWA. STORMS ARE MOVING SOUTHEAST AT 25 MPH...AND WILL AFFECT THE TOWNS OF MARSEILLES...VERONA...KINSMAN AND RANSOM. GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR! IF YOU ARE IN A CAR...GO INSIDE A NEARBY STURDY BUILDING! AS A LAST RESORT LIE FLAT IN A DITCH AND COVER YOUR HEAD. RATZER &
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, Aug 9, 11:08 AM CDT, 4 hours 46 minutes before
ILZ001>094-IAZ065>068-INZ001-101000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHICAGO IL 1100 AM CDT WED AUG 9 1995 ...SEVERE WEATHER OUTLOOK FOR ILLINOIS... THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE NORTHERN HALF OF ILLINOIS THIS AFTERNOON AND TONIGHT. ZOGG/MORRISON
Special weather statement, Aug 9, 11:30 AM CDT, 4 hours 24 minutes before
ILZ001>094-IAZ065>068-INZ001-101000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHICAGO IL 1130 AM CDT WED AUG 9 1995 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE CHICAGO METROPOLITAN AREA UNTIL 200 PM CDT... THE WATCH INCLUDES MCHENRY...LAKE...COOK...KANE...DUPAGE...KENDALL AND WILL COUNTIES. THE WATCH HAS BEEN CANCELLED FOR MUCH OF NORTH CENTRAL ILLINOIS INCLUDING ROCKFORD...DIXON...DEKALB AND OTTAWA. THUNDERSTORMS CONTINUE TO DEVELOP OVER SOUTHEAST WISCONSIN AND MAINLY THE FAR NORTH SUBURBS OF CHICAGO. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. ALLSOPP
Special weather statement, Aug 9, 11:33 AM CDT, 4 hours 21 minutes before
ILZ001>094-IAZ065>068-INZ001-101000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHICAGO IL 1130 AM CDT WED AUG 9 1995 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE CHICAGO METROPOLITAN AREA UNTIL 200 PM CDT... THE WATCH INCLUDES MCHENRY...LAKE...COOK...KANE...DUPAGE...KENDALL AND WILL COUNTIES. THE WATCH HAS BEEN CANCELLED FOR MUCH OF NORTH CENTRAL ILLINOIS INCLUDING ROCKFORD...DIXON...DEKALB AND OTTAWA. THUNDERSTORMS CONTINUE TO DEVELOP OVER SOUTHEAST WISCONSIN AND MAINLY THE FAR NORTH SUBURBS OF CHICAGO. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. ALLSOPP
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 1:16 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 44 min |
| Aug 9, 1:31 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 29 min |
| Aug 9, 3:04 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 41 min |
| Aug 9, 3:29 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, LaSalle | 46 min |
| Aug 9, 4:09 PM CDT | Tornado Warning | LOT | LaSalle | 51 min |
| Aug 9, 5:32 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 43 min |
| Aug 9, 6:17 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 28 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.