Alert archive / Illinois / Tornado Warnings in 1996

Tornado Warning 22, NWS St. Louis, MO

April 19, 1996Fayette County, Marion County, Illinois

NWS St. Louis, MO issued this tornado warning at Apr 19, 1996, 8:24 PM CDT for Fayette County, Marion County, Illinois. It was in force for 51 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Apr 19, 1996, 8:24 PM CDT (01:24 UTC)
Expired: Apr 19, 1996, 9:15 PM CDT
In force: 51 min
Issued by: NWS St. Louis, MO
Area: Whole counties

Counties Fayette County, IL, Marion County, IL

What was reported inside it

Time	Report	Where	Remark
Apr 19, 8:30 PM CDT	Tornado F1	Shobonier, IL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.4 hours before the alert went out and 151 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1505 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 765 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 213 m²/s²
0-3 km storm-relative helicity: 268 m²/s²
Significant tornado parameter: 2.4
Supercell composite: 11.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 200126
TORSTL
ILC051-121-200215-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
824 PM CDT FRI APR 19 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  915 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL ILLINOIS
 
   ...SOUTHERN FAYETTE COUNTY...NORTHERN MARION COUNTY
 
AT 830 PM...THE ST LOUIS DOPPLER RADAR INDICATED A TORNADO 5 MILES
SOUTWEST OF VERNON...MOVING NORTHEAST AT 40 MPH. TOWNS IN THE PATH OF
THE TORNADO ARE VERNON...ST PAUL...ST PETER...FARINA AND KINMUNDY.
 
 
IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IN A BASEMENT
OR INTERIOR ROOM ON THE LOWEST LEVEL.
 
SEEK SHELTER NOnW IN A BASEMENT OR AN INTERIOR ROOM. YOUR LIFE AND
THE LIVES OF THOSE AROUND YOU MAY DEPEND ON YOUR ACTIONS.
VA/FG

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 7:03 PM CDT	Severe Thunderstorm Warning	LSX	Saint Clair	42 min
Apr 19, 7:32 PM CDT	Tornado Warning	LSX	Clinton, Saint Clair	43 min
Apr 19, 7:33 PM CDT	Tornado Warning	LSX	Randolph	42 min
Apr 19, 7:49 PM CDT	Tornado Warning	LSX	Marion	41 min
Apr 19, 8:04 PM CDT	Tornado Warning	LSX	Randolph, Washington	41 min
Apr 19, 8:45 PM CDT	Tornado Warning	LSX	Washington	30 min
Apr 19, 8:51 PM CDT	Severe Thunderstorm Warning	LSX	Clinton, Saint Clair	54 min

Nearby

Tornado Warnings in Illinois, 1996 Every tornado warning in 1996 Tornadoes in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.