Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 111, NWS Lincoln, IL

August 9, 1995Christian County, Macon County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Aug 9, 1995, 8:36 PM CDT for Christian County, Macon County, Illinois. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Aug 9, 1995, 8:36 PM CDT (01:36 UTC)
Expired
Aug 9, 1995, 9:30 PM CDT
In force
54 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Christian County, IL, Macon County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.6 hours before the alert went out and 67 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 1995-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4119 joules per kilogram.LCLEL10008507005003002001001 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 1995-08-10The 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
4119 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1074 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSPI 100137 RRA
SVRSPI
ILC021-115-100230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
836 PM CDT WED AUG 9 1995
 
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  930 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL ILLINOIS
 
   ...CHRISTIAN COUNTY...SOUTHWESTERN MACON COUNTY
 
AT 835 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM LOCATED 15 MILES
SOUTHWEST OF DECATUR...NEAR BLUE MOUND.
 
THE STORM WAS MOVING TO THE SOUTH AT 20 MPH AND WILL AFFECT THE TOWNS OF
BLUE MOUND...STONINGTON...TAYLORVILLE AND ASSUMPTION.
 
AT 825 PM CDT...MACON COUNTY ESDA REPORTED NUMEROUS TREE LIMBS AND ONE
TREE BLOWN DOWN IN DECATUR AS THE STORMS MOVED THROUGH.
 
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE FOR DAMAGING
WINDS...LARGE HAIL...AND DEADLY LIGHTNING. MOVE TO A SUBSTANTIAL
BUILDING AND STAY AWAY FROM WINDOWS.
$$
BYRD
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 7:18 PM CDTSevere Thunderstorm WarningILXKnox, Stark57 min
Aug 9, 7:48 PM CDTSevere Thunderstorm WarningILXPeoria57 min
Aug 9, 8:34 PM CDTSevere Thunderstorm WarningILXTazewell46 min
Aug 9, 9:11 PM CDTSevere Thunderstorm WarningILXLogan, Menard49 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.