Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 75, NWS Indianapolis, IN

May 18, 1995Clay County, Wayne County, Illinois

NWS Indianapolis, IN issued this severe thunderstorm warning at May 18, 1995, 2:05 PM CDT for Clay County, Wayne County, Illinois. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
May 18, 1995, 2:05 PM CDT (19:05 UTC)
Expired
May 18, 1995, 2:45 PM CDT
In force
40 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Clay County, IL, Wayne County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 7.1 hours before the alert went out and 174 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 12:00Z on 1995-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 12:00Z on 1995-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 256 square meters per square second.1939587897117Sfc1 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
507 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
256 m²/s²
0-3 km storm-relative helicity
346 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KEVV 181906
SVREVV
ILC025-191-181945-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EVANSVILLE IN
205 PM CDT THU MAY 18 1995
 
THE NATIONAL WEATHER SERVICE IN EVANSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  245 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST ILLINOIS
 
   ...CLAY COUNTY...WAYNE COUNTY
 
RADAR INDICATED SEVERE THUNDERSTORMS MOVING INTO CLAY AND WAYNE COUNTIES
AT 205 PM CDT. DAMAGING WINDS WERE REPORTED WITH THESE STORMS. THE
THUNDERSTORMS WERE MOVING EAST AT 30 MPH AND WILL MOVE TO NEAR FLORA AND
WAYNE CITYBUY 220 PM CDT AND FAIRFIELD BY 230 PM CDT. THIS IS A
DANGEROUS STORM BE PREPARED TO TAKE COVER IMMEDIATELY IF STORMS APPROACH
YOUR AREA.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
BLOCK

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

Special weather statement, May 18, 12:44 PM CDT, 1 hour 21 minutes before
INZ067-081-082-085>088-190000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1243 PM EST THU MAY 18 1995

...TORNADO WATCH FOR EXTREME SOUTHWEST INDIANA UNTIL 7 PM EST/CDT...

A TORNADO WATCH IS IN EFFECT FOR EXTREME SOUTHWEST INDIANA UNTIL 7 PM
EST/CDT. THE WATCH IS SOUTHWEST OF A LINE FROM 15 MILES NORTH OF
VINCENNES TO TELL CITY.

SOME CITIES INCLUDE IN THE WATCH ARE...

EVANSVILLE...VINCENNES...NEW HARMONY...BOONVILLE...PETERSBURG.

THUNDERSTORMS DEVELOPING OVER ILLINOIS WILL MOVE EAST INTO THE AREA
THIS AFTERNOON.

MES

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 18, 12:40 AM CDTSevere Thunderstorm WarningINDWayne, White35 min
May 18, 2:15 AM CDTFlash Flood WarningINDWabash, White4 hr
May 18, 2:15 AM CDTFlash Flood WarningINDLawrence, Richland4 hr
May 18, 2:15 AM CDTFlash Flood WarningINDEdwards4 hr
May 18, 2:15 AM CDTFlash Flood WarningINDGallatin4 hr
May 18, 2:23 AM CDTFlash Flood WarningINDWayne4 hr
May 18, 2:45 PM CDTSevere Thunderstorm WarningINDCrawford, Lawrence, Richland, Wabash48 min
May 18, 2:45 PM CDTSevere Thunderstorm WarningINDEdwards48 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.