Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 26, NWS Lincoln, IL

May 16, 1995Cass County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 16, 1995, 8:07 PM CDT for Cass County, Illinois. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
May 16, 1995, 8:07 PM CDT (01:07 UTC)
Expired
May 16, 1995, 8:45 PM CDT
In force
38 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Cass County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.1 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 1995-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 132 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1995-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
132 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
658 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSPI 170107
SVRSPI
ILC017-170145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
807 PM CDT TUE MAY 16 1995
 
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL ILLINOIS
 
   ...CASS COUNTY
 
AT 8:05 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM NEAR
VIRGINIA...30 MILES NORTHWEST OF SPRINGFIELD. THIS STORM WAS MOVING TO
THE EAST SOUTHEAST AT 45 MPH.
 
STATE POLICE REPORTED GOLFBALL SIZE HAIL 2 MILES WEST OF VIRGINIA.
 
TOWNS IN THE PATH OF THIS STORM ARE VIRGINIA...PHILADELPHIA AND ASHLAND.
 
THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. GET INSIDE A
STURDY BUILDING AND STAY AWAY FROM WINDOWS.
$$
 
AUTEN
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 7:04 PM CDTTornado WarningILXFulton, Schuyler41 min
May 16, 7:39 PM CDTFlash Flood WarningILXCass, Menard5 hr
May 16, 7:43 PM CDTTornado WarningILXFulton44 min
May 16, 8:13 PM CDTFlash Flood WarningILXCass5 hr
May 16, 8:25 PM CDTFlash Flood WarningILXMorgan4 hr
May 16, 8:42 PM CDTFlash Flood WarningILXLogan, Menard, Sangamon5 hr
May 16, 9:12 PM CDTFlash Flood WarningILXDeWitt, Macon5 hr
May 16, 11:19 PM CDTFlash Flood WarningILXFulton, Mason, Schuyler, Tazewell12 hr
May 16, 11:37 PM CDTFlash Flood WarningILXChampaign3 hr

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.