Alert archive / Illinois / Tornado Warnings in 1988

Tornado Warning 1, NWS Chicago, IL

May 8, 1988Kane County, Illinois

NWS Chicago, IL issued this tornado warning at May 8, 1988, 6:27 PM CDT for Kane County, Illinois. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
May 8, 1988, 6:27 PM CDT (23:27 UTC)
Expired
May 8, 1988, 7:15 PM CDT
In force
48 min
Issued by
NWS Chicago, IL
Area
Whole counties

County Kane 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

Peoria Regional, IL (KPIA), launched 12:00Z, 11.5 hours before the alert went out and 172 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, Peoria Regional, IL at 12:00Z on 1988-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Peoria Regional, IL at 12:00Z on 1988-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 194 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1404 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
194 m²/s²
0-3 km storm-relative helicity
203 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 5:42 PM CDTSevere Thunderstorm WarningLOTLaSalle, Livingston63 min
May 8, 6:38 PM CDTSevere Thunderstorm WarningLOTFord, Grundy, Livingston52 min
May 8, 6:45 PM CDTSevere Thunderstorm WarningLOTKankakee, Will45 min
May 8, 6:45 PM CDTSevere Thunderstorm WarningLOTDuPage, Kendall45 min
May 8, 6:56 PM CDTSevere Thunderstorm WarningLOTIroquois, Kankakee64 min
May 8, 6:56 PM CDTSevere Thunderstorm WarningLOTCook, Will64 min

Nearby

Tornado Warnings in Illinois, 1988Every tornado warning in 1988Tornadoes in 1988

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.