Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 83, NWS Lincoln, IL

July 4, 1995Knox County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 4, 1995, 10:44 PM CDT for Knox County, Illinois. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Jul 4, 1995, 10:44 PM CDT (03:44 UTC)
Expired
Jul 4, 1995, 11:30 PM CDT
In force
46 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Knox County, IL

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 3.7 hours before the alert went out and 80 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, Davenport, at 00:00Z on 1995-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 403 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, Davenport, at 00:00Z on 1995-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 186 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
403 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
1293 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
186 m²/s²
0-3 km storm-relative helicity
230 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPIA 050344 RRA
SVRPIA
ILC095-050430-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEORIA IL
1044 PM CDT TUE JUL 4 1995
 
THE NATIONAL WEATHER SERVICE IN PEORIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING  EFFECTIVE UNTIL 1130 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL ILLINOIS
 
   ...KNOX COUNTY
 
AT 1042 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM OVER CENTRAL KNOX
COUNTY. THIS STORM WAS MOVING NORTHEAST AT 40 MPH...AND WILL AFFECT THE
TOWNS OF WILLIAMSFIELD AND APPLETON BY 1100 PM CDT.
 
 
THIS IS A DANGEROUS STORM! STAY INDOORS, AWAY FROM WINDOWS!
 
HUNTER

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, Jul 4, 5:55 PM CDT, 4 hours 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
555 PM CDT TUE JUL 4 1995

TIME (CDT) ...CITY/LOCATION...       ST   ...EVENT/REMARKS...
DATE       ...COUNTY LOCATION...

1015 AM    FORSYTH                   IL   WIND DAMAGE
07/04/95   MACON                          LARGE TREE AND POWER LINES
                                          DOWN. SUN ROOM ADDITION TO
                                          A HOUSE DESTROYED...AND MINOR
                                          ROOF DAMAGE TO SAME HOUSE.
                                          60 MPH WINDS AND 1/2 INCH
                                          DIAMETER HAIL ALSO REPORTED.
                                          REPORTED BY ESDA

1025 AM    ARGENTA                   IL   WIND DAMAGE
07/04/95   MACON                          TENT BLOWN AGAINST A POWER
                                          LINE. TIME ESTIMATED;
                                          REPORTED BY ESDA

GEELHART
Local storm report, Jul 4, 5:58 PM CDT, 4 hours 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
555 PM CDT TUE JUL 4 1995

TIME (CDT) ...CITY/LOCATION...       ST   ...EVENT/REMARKS...
DATE       ...COUNTY LOCATION...

1015 AM    FORSYTH                   IL   WIND DAMAGE
07/04/95   MACON                          LARGE TREE AND POWER LINES
                                          DOWN. SUN ROOM ADDITION TO
                                          A HOUSE DESTROYED...AND MINOR
                                          ROOF DAMAGE TO SAME HOUSE.
                                          60 MPH WINDS AND 1/2 INCH
                                          DIAMETER HAIL ALSO REPORTED.
                                          REPORTED BY ESDA

1025 AM    ARGENTA                   IL   WIND DAMAGE
07/04/95   MACON                          TENT BLOWN AGAINST A POWER
                                          LINE. TIME ESTIMATED;
                                 L         REPORTED BY ESDA

GEELHART
Special weather statement, Jul 4, 6:40 PM CDT, 4 hours 4 minutes before
ILZ050>054-061-050000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
640 PM CDT TUE JUL 4 1995

THE SEVERE THUNDERSTORM WATCH WHICH HAD BEEN IN EFFECT FOR PARTS OF
CENTRAL ILLINOIS HAS BEEN CANCELLED.

THUNDERSTORM ACTIVITY SHOULD HOLD OFF UNTIL LATE THIS EVENING...
SO EVENING HOLIDAY FESTIVITIES SHOULD NOT ENCOUNTER ANY PROBLEMS.
HOWEVER...THE THREAT OF SEVERE THUNDERSTORMS WILL CONTINUE
AFTERWARD...DURING THE OVERNIGHT HOURS.

GEELHART

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 11:01 PM CDTSevere Thunderstorm WarningILXStark44 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.