Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 69, NWS Lincoln, IL

June 21, 1995Cass County, Morgan County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 21, 1995, 10:01 PM CDT for Cass County, Morgan County, Illinois. It was in force for 15 min.

The area

The counties it named.

The facts

Issued
Jun 21, 1995, 10:01 PM CDT (03:01 UTC)
Expired
Jun 21, 1995, 10:16 PM CDT
In force
15 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Cass County, IL, Morgan County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 3.0 hours before the alert went out and 142 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 00:00Z on 1995-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2411 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 00:00Z on 1995-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
2411 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1250 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
68 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 
WUUS1 KSPI 220301 RRA
SVRSPI
ILC017-137-220330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1001 PM CDT WED JUN 21 1995
 
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL ILLINOIS
 
   ...WESTERN CASS COUNTY...NORTHWESTERN MORGAN COUNTY
 
SEVERE THUNDERSTORMS CONTINUE WEST OF A JACKSONVILLE...PETERSBURG
LINE AT 959 PM. THE SEVERE STORMS WERE MOVING WEST AT 30 MPH AND WILL
MOVE ACROSS THE ILLINOIS RIVER BY 1030 PM.
 
THE STORMS HAVE HAD A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE.
 
 
THIS IS A DANGEROUS STORM. TAKE COVER IMMEDIATELY. IF YOU ARE IN
ITS PATH...PREPARE FOR DAMAGING WINDS...LARGE HAIL...AND DEADLY
LIGHTNING.
$$
 
SKIPPER

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jun 21, 9:38 PM CDT, 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEORIA IL
938 PM CDT WED JUN 21 1995

TIME(CDT)  .....CITY LOCATION.....STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1905       DELAVAN                   IL  3/4 INCH HAIL REPORTED
06/21/95   TAZEWELL                      BY POLICE DEPARTMENT.

1946       DELAVAN                   IL  6 TO 12 INCH TREE LIMBS
06/21/95   TAZEWELL                      DOWN. REPORTED BY ESDA.

2213       FARMINGTON                IL  MOBILE HOME BLOWN ACROSS
06/21/95   FULTON                        THE STREET. REPORTED BY
                                         POLICE DEPARTMENT.

WATERHOUSE
Local storm report, Jun 21, 9:39 PM CDT, 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PEORIA IL
938 PM CDT WED JUN 21 1995

TIME(CDT)  .....CITY LOCATION.....STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1905       DELAVAN                   IL  3/4 INCH HAIL REPORTED
06/21/95   TAZEWELL                      BY POLICE DEPARTMENT.

1946       DELAVAN                   IL  6 TO 12 INCH TREE LIMBS
06/21/95   TAZEWELL                      DOWN. REPORTED BY ESDA.
"
2213       FARMINGTON                IL  MOBILE HOME BLOWN ACROSS
06/21/95   FULTON                        THE STREET. REPORTED BY
                                         POLICE DEPARTMENT.

WATERHOUSE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 7:46 PM CDTSevere Thunderstorm WarningILXTazewell44 min
Jun 21, 7:57 PM CDTSevere Thunderstorm WarningILXLogan48 min
Jun 21, 8:19 PM CDTSevere Thunderstorm WarningILXMason56 min
Jun 21, 8:25 PM CDTSevere Thunderstorm WarningILXLogan, Menard50 min
Jun 21, 8:45 PM CDTSevere Thunderstorm WarningILXSangamon45 min
Jun 21, 9:02 PM CDTSevere Thunderstorm WarningILXCass, Morgan58 min
Jun 21, 9:21 PM CDTSevere Thunderstorm WarningILXMenard39 min
Jun 21, 9:47 PM CDTSevere Thunderstorm WarningILXSchuyler28 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.