Alert archive / Missouri / Tornado Warnings in 1996

Tornado Warning 8, NWS St. Louis, MO

April 19, 1996Lincoln County, Saint Charles County, Missouri; Calhoun County, Illinois

NWS St. Louis, MO issued this tornado warning at Apr 19, 1996, 5:41 PM CDT for Lincoln County, Saint Charles County, Missouri; Calhoun County, Illinois. It was in force for 64 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, 5:41 PM CDT (22:41 UTC)
Expired
Apr 19, 1996, 6:45 PM CDT
In force
64 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Calhoun County, IL, Lincoln County, MO, Saint Charles County, MO

The radar

The St Louis radar (KLSX), 35 km from the middle of the area, began a volume at 22:43 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, 10.7 hours before the alert went out and 225 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 192243
TORSTL
ILC013-MOC113-183-192345-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
541 PM CDT FRI APR 19 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  645 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST ILLINOIS
 
   ...CALHOUN COUNTY
 
 
IN EAST CENTRAL MISSOURI
 
   ...LINCOLN COUNTY...ST. CHARLES COUNTY
 
...THE SEVERE THUNDERSTORM WARNINGS IN EFFECT FOR THE MISSOURI COUNTIES
OF LINCOLN...ST CHARLES AND THE ILLINOIS COUNTY OF CALHOUN HAS
EXPIRED...
 
AT 545 PM...THE SEVERE THUNDERSTORM WARNINGS FOR PORTIONS OF THE
MISSOURI COUNTIES OF LINCOLN AND ST CHARLES...AND THE ILLINOIS COUNTY OF
CALHOUN ARE NO LONGER IN EFFECT. THE SEVERE THUNDERSTORMS HAVE MOVED
EAST OF THESE COUNTIES.
 
REMEMBER A TORNADO WATCH CONTINUES IN EFFECT FOR THIS AREA FOR THIS
EVENING.
 
GKS

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, 5:27 PM CDTTornado WarningLSXJefferson48 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
Apr 19, 4:21 PM CDTSevere Thunderstorm WarningLSXAdams54 min
Apr 19, 4:33 PM CDTSevere Thunderstorm WarningLSXCalhoun, Jersey57 min
Apr 19, 4:46 PM CDTSevere Thunderstorm WarningLSXPike59 min
Apr 19, 4:53 PM CDTTornado WarningLSXPike52 min
Apr 19, 5:03 PM CDTTornado WarningLSXWashington42 min
Apr 19, 5:20 PM CDTSevere Thunderstorm WarningLSXMacoupin, Madison55 min
Apr 19, 5:23 PM CDTTornado WarningLSXBrown37 min
Apr 19, 5:35 PM CDTSevere Thunderstorm WarningLSXGreene40 min
Apr 19, 6:01 PM CDTTornado WarningLSXSaint Clair44 min
Apr 19, 6:14 PM CDTTornado WarningLSXClinton, Washington46 min
Apr 19, 6:45 PM CDTSevere Thunderstorm WarningLSXRandolph45 min
Apr 19, 6:48 PM CDTTornado WarningLSXRandolph42 min
Apr 19, 6:56 PM CDTTornado WarningLSXClinton, Marion49 min

Nearby

Tornado Warnings in Missouri, 1996Tornado Warnings in Illinois, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.