Alert archive / Illinois / Tornado Warnings in 1996

Tornado Warning 30, NWS St. Louis, MO

May 25, 1996Marion County, Illinois

NWS St. Louis, MO issued this tornado warning at May 25, 1996, 8:45 PM CDT for Marion County, Illinois. It was in force for 45 min. 2 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
May 25, 1996, 8:45 PM CDT (01:45 UTC)
Expired
May 25, 1996, 9:30 PM CDT
In force
45 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Marion County, IL

What was reported inside it

TimeReportWhereRemark
May 25, 8:50 PM CDTTornado F0Odin, IL
May 25, 9:00 PM CDTHail 1.75Salem, 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, 1.8 hours before the alert went out and 169 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 00:00Z on 1996-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 1996-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 square meters per square second.193958Sfc1 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
13 J/kg
Mixed-layer CIN
-191 J/kg
Mixed-layer LCL
821 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
195 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 260146
TORSTL
ILC121-260230-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
845 PM CDT SAT MAY 25 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 SOUTH CENTRAL ILLINOIS
 
   ...SOUTHERN MARION COUNTY
 
AT 840 PM...NWS DOPPLER RADAR STRONGLY SUGGEST A TORNADO JUST EAST OF
SANDOVAL AND WAS MOVING EAST AT 20 MPH ALONG HIGHWAY 50. COMMUNITIES IN
THE PATH ARE ODIN...AND SALEM.
 
THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY AND SEEK SHELTER
NOW!
 
METZE

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 7:00 PM CDTSevere Thunderstorm WarningLSXGreene, Jersey, Macoupin60 min
May 25, 7:09 PM CDTSevere Thunderstorm WarningLSXMadison, Saint Clair66 min
May 25, 7:38 PM CDTSevere Thunderstorm WarningLSXMontgomery67 min
May 25, 7:40 PM CDTSevere Thunderstorm WarningLSXClinton65 min
May 25, 7:45 PM CDTTornado WarningLSXMacoupin, Montgomery45 min
May 25, 8:01 PM CDTSevere Thunderstorm WarningLSXBond44 min
May 25, 8:40 PM CDTSevere Thunderstorm WarningLSXMarion60 min
May 25, 8:40 PM CDTSevere Thunderstorm WarningLSXFayette50 min

Nearby

Tornado 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.