Alert archive / Illinois / Tornado Warnings in 1995

Tornado Warning 7, NWS St. Louis, MO

May 16, 1995Clinton County, Saint Clair County, Illinois

NWS St. Louis, MO issued this tornado warning at May 16, 1995, 6:38 AM CDT for Clinton County, Saint Clair County, Illinois. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
May 16, 1995, 6:38 AM CDT (11:38 UTC)
Expired
May 16, 1995, 7:45 AM CDT
In force
67 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Clinton County, IL, Saint Clair County, IL

The radar

The St Louis radar (KLSX), 89 km from the middle of the area, began a volume at 11:38 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 11.6 hours before the alert went out and 202 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 KSTL 161141
TORSTL
ILC027-163-161245-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
638 AM CDT TUE MAY 16 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  745 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL ILLINOIS
 
   ...CLINTON COUNTY
 
IN SOUTHWEST ILLINOIS
 
   ...EASTERN ST CLAIR COUNTY
 
AT 640 AM CDT NWS DOPPLER RADAR INDICATED A TORNADO 3 MILES NORTH OF
FREEBURG ILLINOIS...OR 6 MILES SOUTHEAST OF BELLEVILLE. THIS STORM IS
MOVING TO THE EAST AT 35 MPH. TOWNS IN THE PATH OF THIS TORNADO ARE
MASCOUTAH...RENTCHLER AND NEW BADEN.
 
 
IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IN A hBASEMENT
OR INTERIOR ROOM ON THE LOWEST LEVEL.

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 4:25 AM CDTSevere Thunderstorm WarningLSXClinton, Marion50 min
May 16, 5:24 AM CDTSevere Thunderstorm WarningLSXMadison51 min
May 16, 5:59 AM CDTFlash Flood WarningLSXMadison6 hr
May 16, 6:21 AM CDTSevere Thunderstorm WarningLSXSaint Clair112 min
May 16, 7:48 AM CDTSevere Thunderstorm WarningLSXRandolph42 min
May 16, 6:20 PM CDTTornado WarningLSXAdams25 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; radar from the NEXRAD Level II archive.