Alert archive / Illinois / Tornado Warnings in 1995

Tornado Warning 40, NWS St. Louis, MO

July 25, 1995Macoupin County, Illinois

NWS St. Louis, MO issued this tornado warning at Jul 25, 1995, 8:54 PM CDT for Macoupin County, Illinois. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Jul 25, 1995, 8:54 PM CDT (01:54 UTC)
Expired
Jul 25, 1995, 9:40 PM CDT
In force
46 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Macoupin County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.9 hours before the alert went out and 150 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 1995-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 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 1995-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.193958Sfc1 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
9 J/kg
Mixed-layer CIN
-241 J/kg
Mixed-layer LCL
1843 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
33 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 KSTL 260158
TORSTL
ILC117-260300-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
854 PM CDT TUE JUL 25 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1000 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL ILLINOIS
 
   ...WESTERN MACOUPIN COUNTY
 
AT 854 PM...NWS DOPPLER RADAR INDICATED A TORNADO OVER NORTHEASTERN
GREENE COUNTY...BETWEEN GREENFIELD AND ATHENSVILLE. THIS STORM WAS
MOVING TO THE SOUTHEAST AT 20 MPH AND HAS PRODUCED CONFIRMED TORNADO
TOUCHDOWNS NEAR ROODHOUSE.
 
PEOPLE IN THE TOWNS OF BARR...HETTICK...HAGAMAN...AND CHESTERFIELD NEED
TO TAKE SHELTER NOW!
 
THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY AND SEEK SHELTER
NOW!
 
FG/TJS
 
 
&

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 25, 8:45 PM CDTTornado WarningLSXGreene32 min
Jul 25, 9:25 PM CDTTornado WarningLSXMacoupin50 min
Jul 25, 9:54 PM CDTSevere Thunderstorm WarningLSXMontgomery66 min

Nearby

Tornado Warnings in Illinois, 1995Every tornado warning in 1995Tornadoes 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.