Alert archive / Illinois / Tornado Warnings in 1995

Tornado Warning 4, NWS Chicago, IL

May 10, 1995Kankakee County, Illinois

NWS Chicago, IL issued this tornado warning at May 10, 1995, 2:13 PM CDT for Kankakee County, Illinois. It was in force for 17 min.

The area

The counties it named.

The facts

Issued
May 10, 1995, 2:13 PM CDT (19:13 UTC)
Expired
May 10, 1995, 2:30 PM CDT
In force
17 min
Issued by
NWS Chicago, IL
Area
Whole counties

County Kankakee County, IL

The radar

The Chicago radar (KLOT), 55 km from the middle of the area, began a volume at 19:14 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

Lincoln, IL (KILX), launched 12:00Z, 7.2 hours before the alert went out and 126 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.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 1995-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 187 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 1995-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
187 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1081 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KCHI 101915
TORCHI
ILC091-101930-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHICAGO IL
213 PM CDT WED MAY 10 1995
 
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  230 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST ILLINOIS
 
   ...EASTERN KANKAKEE COUNTY
 
AT 215 PM SHERRIFF IN KANKAKEE COUNTY REPORTED A TORNADO JUST SOUTHEAST
OF MOMMENCE. THE STORM WAS MOVING EAST AT 15 MPH.
 
 
A TORNADO IS ON THE GROUND!  TAKE SHELTER NOW!
TAYLOR
 
 
&

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, May 10, 11:00 AM CDT, 3 hours 13 minutes before
ILZ001>094-IAZ065>068-INZ001-111100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
1100 AM CDT WED MAY 10 1995

...ILLINOIS SEVERE WEATHER OUTLOOK...

NO SEVERE THUNDERSTORMS ARE EXPECTE8D ACROSS ILLINOIS THIS AFTERNOON OR
TONIGHT.

JT

The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 9, 7:26 PM CDTSevere Thunderstorm WarningLOTWill19 min
May 9, 7:26 PM CDTSevere Thunderstorm WarningLOTDeKalb, Kane64 min
May 9, 7:26 PM CDTSevere Thunderstorm WarningLOTDuPage64 min
May 9, 7:38 PM CDTTornado WarningLOTFord, Livingston67 min
May 9, 8:42 PM CDTTornado WarningLOTFord, Iroquois48 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.