Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 24, NWS Lincoln, IL

May 16, 1995Cass County, Menard County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 16, 1995, 6:18 AM CDT for Cass County, Menard County, Illinois. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
May 16, 1995, 6:18 AM CDT (11:18 UTC)
Expired
May 16, 1995, 6:45 AM CDT
In force
27 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Cass County, IL, Menard County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 11.3 hours before the alert went out and 122 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 1995-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1995-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3055 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
144 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 161119
SVRSPI
ILC017-129-161145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
618 AM CDT TUE MAY 16 1995
 
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL ILLINOIS
 
   ...EASTERN CASS COUNTY...MENARD COUNTY
 
AT 617 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 30 MILES
NORTHWEST OF SPRINGFIELD IN EASTERN CASS COUNTY. THE STORM IS MOVING
EAST AT 50 MPH AND WILL MOVE THROUGH THE FOLLOWING TOWNS... PETERSBURG
BY 630 AM... AND ATHENS AROUND 645 AM.
 
THIS IS A DANGEROUS STORM...CAPABLE OF BLOWING DOWN TREES AND
DAMAGING ROOFS AND WINDOWS. GET INDOORS AND STAY AWAY FROM WINDOWS.
$$
 
GEELHART

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 6:40 AM CDTSevere Thunderstorm WarningILXLogan, Sangamon31 min
May 16, 5:29 PM CDTTornado WarningILXSchuyler27 min
May 16, 6:07 PM CDTTornado WarningILXMason34 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.