Alert archive / Illinois / Tornado Warnings in 1996

Tornado Warning 3, NWS St. Louis, MO

April 19, 1996Washington County, Illinois

NWS St. Louis, MO issued this tornado warning at Apr 19, 1996, 5:03 PM CDT for Washington County, Illinois. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 19, 1996, 5:03 PM CDT (22:03 UTC)
Expired: Apr 19, 1996, 5:45 PM CDT
In force: 42 min
Issued by: NWS St. Louis, MO
Area: Whole counties

County Washington County, IL

The radar

The St Louis radar (KLSX), 117 km from the middle of the area, began a volume at 22:07 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 12:00Z, 10.1 hours before the alert went out and 212 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2232 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 34 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 192205
TORSTL
ILC189-MOC099-192245-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
503 PM CDT FRI APR 19 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  545 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL ILLINOIS
 
   ...NORTHEASTERN WASHINGTON COUNTY
 
 
IN EAST CENTRAL MISSOURI
 
   ...SOUTHERN JEFFERSON COUNTY
 
AT 505 PM...RADAR DETECTED A TORNADO 3 MILES NORTH OF RIDGEWOOD IN FAR
NORTHERN WASHINGTON COUNTY. IT WAS MOVING TO THE NORTHEAST AT 35 MPH. IT
WILL MOVE THROUGH HILLSBORO AND MORRIS MILLS AROUND 515 TO 530 PM.
 
IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IN A BASEMENT
OR INTERIOR ROOM ON THE LOWEST LEVEL.
 
GKS/RP

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 4:21 PM CDT	Severe Thunderstorm Warning	LSX	Adams	54 min
Apr 19, 4:33 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Jersey	57 min
Apr 19, 4:46 PM CDT	Severe Thunderstorm Warning	LSX	Pike	59 min
Apr 19, 4:53 PM CDT	Tornado Warning	LSX	Pike	52 min
Apr 19, 4:54 PM CDT	Severe Thunderstorm Warning	LSX	Jersey	51 min
Apr 19, 5:20 PM CDT	Severe Thunderstorm Warning	LSX	Macoupin, Madison	55 min
Apr 19, 5:23 PM CDT	Tornado Warning	LSX	Brown	37 min
Apr 19, 5:27 PM CDT	Tornado Warning	LSX	Monroe, Saint Clair	48 min
Apr 19, 5:35 PM CDT	Severe Thunderstorm Warning	LSX	Greene	40 min
Apr 19, 5:41 PM CDT	Tornado Warning	LSX	Calhoun	64 min
Apr 19, 6:01 PM CDT	Tornado Warning	LSX	Saint Clair	44 min
Apr 19, 6:14 PM CDT	Severe Thunderstorm Warning	LSX	Monroe	31 min
Apr 19, 6:14 PM CDT	Tornado Warning	LSX	Clinton, Washington	46 min
Apr 19, 6:45 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	45 min
Apr 19, 6:48 PM CDT	Tornado Warning	LSX	Randolph	42 min
Apr 19, 6:51 PM CDT	Severe Thunderstorm Warning	LSX	Monroe	54 min
Apr 19, 6:56 PM CDT	Tornado Warning	LSX	Clinton, Marion	49 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.