Alert archive / Missouri / Tornado Warnings in 1996

Tornado Warning 24, NWS St. Louis, MO

April 19, 1996Madison County, Missouri

NWS St. Louis, MO issued this tornado warning at Apr 19, 1996, 8:38 PM CDT for Madison County, Missouri. It was in force for 52 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, 8:38 PM CDT (01:38 UTC)
Expired: Apr 19, 1996, 9:30 PM CDT
In force: 52 min
Issued by: NWS St. Louis, MO
Area: Whole counties

County Madison County, MO

The radar

The St Louis radar (KLSX), 139 km from the middle of the area, began a volume at 01:39 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.

What was reported inside it

Time	Report	Where	Remark
Apr 19, 9:10 PM CDT	Tornado F0	Fredricktown Muni Ar, MO

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

Little Rock, AR (KLZK), launched 00:00Z, 1.6 hours before the alert went out and 297 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: 1433 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 1727 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 118 m²/s²
0-3 km storm-relative helicity: 191 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 5.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 200140
TORSTL
MOC123-200230-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
838 PM CDT FRI APR 19 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  930 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST MISSOURI
 
   ...NORTHERN MADISON COUNTY
 
AT 845 PM...RADAR INDICATED A TORNADO ABOUT 5 MILES SOUTH
IRONTOWN...THIS TORNADO WAS MOVING TO THE EAST NORTHEAST AT 40 MPH.
CITIES IN THE PATH OF TORNADO ARE MILLCREEK AND FREDERICKTOWN.
 
 
IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IN A BASEMENT
OR INTERIOR ROOM ON THE LOWEST LEVEL.
 
SEEK SHELTER NOW 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 Louis, City of Saint Louis	42 min
Apr 19, 7:04 PM CDT	Tornado Warning	LSX	Iron, Saint Francois	56 min
Apr 19, 7:26 PM CDT	Severe Thunderstorm Warning	LSX	Crawford, Washington	49 min
Apr 19, 7:40 PM CDT	Severe Thunderstorm Warning	LSX	Reynolds	50 min
Apr 19, 7:43 PM CDT	Tornado Warning	LSX	Sainte Genevieve	47 min
Apr 19, 7:55 PM CDT	Tornado Warning	LSX	Sainte Genevieve, Saint Francois	50 min
Apr 19, 8:11 PM CDT	Severe Thunderstorm Warning	LSX	Iron	49 min
Apr 19, 8:28 PM CDT	Tornado Warning	LSX	Iron, Reynolds	47 min
Apr 19, 8:45 PM CDT	Flash Flood Warning	LSX	Iron	3 hr
Apr 19, 8:57 PM CDT	Severe Thunderstorm Warning	LSX	Madison, Sainte Genevieve, Saint Francois	48 min
Apr 19, 9:03 PM CDT	Flash Flood Warning	LSX	Madison, Saint Francois	3 hr
Apr 19, 9:03 PM CDT	Tornado Warning	LSX	Reynolds	42 min
Apr 19, 9:17 PM CDT	Severe Thunderstorm Warning	LSX	Iron, Reynolds	43 min
Apr 19, 9:48 PM CDT	Severe Thunderstorm Warning	LSX	Madison	42 min

Nearby

Tornado Warnings in Missouri, 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; radar from the NEXRAD Level II archive.