Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 90, NWS Indianapolis, IN

May 27, 1995Crawford County, Illinois

NWS Indianapolis, IN issued this severe thunderstorm warning at May 27, 1995, 7:52 PM CDT for Crawford County, Illinois. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
May 27, 1995, 7:52 PM CDT (00:52 UTC)
Expired
May 27, 1995, 8:30 PM CDT
In force
38 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Crawford County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.9 hours before the alert went out and 146 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 1995-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 907 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, Lincoln, IL at 00:00Z on 1995-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 278 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
907 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
637 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
278 m²/s²
0-3 km storm-relative helicity
310 m²/s²
Significant tornado parameter
1.6
Supercell composite
11.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KEVV 280053
SVREVV
ILC033-280130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EVANSVILLE IN
752 PM CDT SAT MAY 27 1995
 
THE NATIONAL WEATHER SERVICE IN EVANSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST ILLINOIS
 
   ...CRAWFORD COUNTY
 
AT 750 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM JUST NORTH OF OBLONG
ILLINOIS...70 MILES NORTHWEST OF EVANSVILLE. IT WAS MOVING NORTHEAST AT
30 MPH AND WILL JUST NORTH OF ROBINSON TO NEAR TRIMBLE BY SHORTLY AFTER
800 PM CDT. IF YOU ARE IN THE PATH OF THIS STORM TAKE COVER IMMEDIATELY.
 
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

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 7:16 PM CDTSevere Thunderstorm WarningINDJasper29 min
May 27, 7:42 PM CDTTornado WarningINDLawrence33 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.