Alert archive / Missouri / Tornado Warnings in 1996

Tornado Warning 7, NWS St. Louis, MO

April 19, 1996Jefferson County, Missouri

NWS St. Louis, MO issued this tornado warning at Apr 19, 1996, 5:27 PM CDT for Jefferson County, Missouri. It was in force for 48 min. 3 reports 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, 5:27 PM CDT (22:27 UTC)
Expired
Apr 19, 1996, 6:15 PM CDT
In force
48 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Jefferson County, MO

The radar

The St Louis radar (KLSX), 50 km from the middle of the area, began a volume at 22:31 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

TimeReportWhereRemark
Apr 19, 5:30 PM CDTThunderstorm Wind 55Hillsboro, MO
Apr 19, 6:10 PM CDTHail 0.88Festus, MO
Apr 19, 6:20 PM CDTHail 0.88De Soto, 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

Lincoln, IL (KILX), launched 12:00Z, 10.5 hours before the alert went out and 268 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 12:00Z on 1996-04-19Temperature 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 12:00Z on 1996-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.1939587897Sfc1 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
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 192228
TORSTL
ILC133-163-MOC099-189-192315-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
527 PM CDT FRI APR 19 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  615 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST ILLINOIS
 
   ...NORTHERN MONROE COUNTY...NORTHERN ST. CLAIR COUNTY
 
 
IN EAST CENTRAL MISSOURI
 
   ...NORTHERN JEFFERSON COUNTY...SOUTHERN ST. LOUIS COUNTY
 
AT 530 PM...THE ST LOUIS INDICATED A TONADO...THE CITIES IN THE PATH OF
THIS TORNADO ARE ARNALD AND FENTON.
 
 
IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IN A BASEMENT
OR INTERIOR ROOM ON THE LOWEST LEVEL.
 
SEEK SH`ELTER NOW IN A BASEMENT OR AN INTERIOR ROOM. YOUR LIFE AND
THE LIVES OF THOSE AROUND YOU MAY DEPEND ON YOUR ACTIONS.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 4:19 PM CDTSevere Thunderstorm WarningLSXPike, Ralls41 min
Apr 19, 4:33 PM CDTSevere Thunderstorm WarningLSXLincoln57 min
Apr 19, 4:41 PM CDTSevere Thunderstorm WarningLSXCrawford, Franklin, Washington64 min
Apr 19, 4:54 PM CDTSevere Thunderstorm WarningLSXSaint Charles51 min
Apr 19, 5:01 PM CDTSevere Thunderstorm WarningLSXCity of Saint Louis59 min
Apr 19, 5:01 PM CDTSevere Thunderstorm WarningLSXJefferson59 min
Apr 19, 5:03 PM CDTTornado WarningLSXJefferson42 min
Apr 19, 5:07 PM CDTSevere Thunderstorm WarningLSXCrawford68 min
Apr 19, 5:15 PM CDTSevere Thunderstorm WarningLSXSaint Louis45 min
Apr 19, 5:27 PM CDTTornado WarningLSXSaint Louis48 min
Apr 19, 5:41 PM CDTTornado WarningLSXLincoln, Saint Charles64 min
Apr 19, 5:43 PM CDTTornado WarningLSXWashington32 min
Apr 19, 5:51 PM CDTSevere Thunderstorm WarningLSXFranklin, Washington39 min
Apr 19, 6:01 PM CDTSevere Thunderstorm WarningLSXSainte Genevieve, Saint Francois44 min
Apr 19, 6:04 PM CDTSevere Thunderstorm WarningLSXCity of Saint Louis41 min
Apr 19, 6:14 PM CDTSevere Thunderstorm WarningLSXJefferson31 min
Apr 19, 6:22 PM CDTSevere Thunderstorm WarningLSXIron, Reynolds53 min
Apr 19, 6:25 PM CDTTornado WarningLSXSainte Genevieve, Saint Francois50 min
Apr 19, 6:36 PM CDTFlash Flood WarningLSXCrawford, Washington69 min
Apr 19, 6:51 PM CDTSevere Thunderstorm WarningLSXJefferson54 min

Nearby

Tornado Warnings in Missouri, 1996Every tornado warning in 1996Tornadoes 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.