Alert archive / Illinois / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 22, NWS Lincoln, IL

June 7, 1993Lee County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 7, 1993, 8:48 AM CDT for Lee County, Illinois. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Jun 7, 1993, 8:48 AM CDT (13:48 UTC)
Expired
Jun 7, 1993, 9:30 AM CDT
In force
42 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Lee County, IL

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 1.8 hours before the alert went out and 476 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, Dayton/James M C, OH at 12:00Z on 1993-06-07Temperature 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, Dayton/James M C, OH at 12:00Z on 1993-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 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
952 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
166 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 7, 8:33 AM CDTSevere Thunderstorm WarningILXOgle, Winnebago27 min
Jun 7, 9:03 AM CDTSevere Thunderstorm WarningILXDeKalb, Ogle42 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1993Every severe thunderstorm warning in 1993

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.