Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 59, NWS Lincoln, IL

June 21, 1995McLean County, Woodford County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 21, 1995, 6:39 PM CDT for McLean County, Woodford County, Illinois. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Jun 21, 1995, 6:39 PM CDT (23:39 UTC)
Expired
Jun 21, 1995, 7:45 PM CDT
In force
66 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties McLean County, IL, Woodford County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.7 hours before the alert went out and 65 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 1995-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 497 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 1995-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939Sfc1 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
497 J/kg
Mixed-layer CIN
-263 J/kg
Mixed-layer LCL
1337 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPIA 212340 RRA
SVRPIA
ILC113-203-220045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEORIA IL
639 PM CDT WED JUN 21 1995
 
THE NATIONAL WEATHER SERVICE IN PEORIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING  EFFECTIVE UNTIL  745 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL ILLINOIS
 
   ...NORTHERN MCLEAN COUNTY...WOODFORD COUNTY
 
AT 635 RADAR INDICATED SEVERE THUNDERSTORMS WERE LOCATED JUST NORTH OF
EUREKA IN WOODFORD COUNTY, AND NEAR CHENOA IN MCLEAN COUNTY. THE STORMS
WERE MOVING WEST AT 20 MILES AN HOUR. TOWNS IN THE PATH OF THE WOODFORD
STORM INCLUDE METAMORA AND SPRING BAY. TOWNS IN THE PATH OF THE MCLEAN
STORM INCLUDE CHENOA AND GRIDLEY.(
 
HEAVY RAINS ARE POSSIBLE.
 
 
DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!
 
BK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 7:01 PM CDTSevere Thunderstorm WarningILXTazewell44 min
Jun 20, 7:18 PM CDTSevere Thunderstorm WarningILXDouglas27 min
Jun 20, 7:30 PM CDTSevere Thunderstorm WarningILXChristian30 min
Jun 20, 7:50 PM CDTSevere Thunderstorm WarningILXDouglas, Moultrie40 min
Jun 20, 8:03 PM CDTSevere Thunderstorm WarningILXColes42 min
Jun 20, 8:41 PM CDTSevere Thunderstorm WarningILXDouglas49 min
Jun 20, 8:49 PM CDTSevere Thunderstorm WarningILXEdgar41 min
Jun 21, 4:50 PM CDTSevere Thunderstorm WarningILXEdgar55 min
Jun 21, 6:08 PM CDTSevere Thunderstorm WarningILXColes, Cumberland52 min
Jun 21, 6:22 PM CDTSevere Thunderstorm WarningILXMoultrie, Shelby53 min
Jun 21, 6:24 PM CDTSevere Thunderstorm WarningILXPeoria36 min
Jun 21, 6:51 PM CDTSevere Thunderstorm WarningILXShelby28 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1995Every severe thunderstorm warning 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.