Alert archive / Illinois / Tornado Warnings in 1996

Tornado Warning 52, NWS Lincoln, IL

December 23, 1996Morgan County, Sangamon County, Illinois

NWS Lincoln, IL issued this tornado warning at Dec 23, 1996, 12:23 PM CST for Morgan County, Sangamon County, Illinois. It was in force for 52 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
Dec 23, 1996, 12:23 PM CST (18:23 UTC)
Expired
Dec 23, 1996, 1:15 PM CST
In force
52 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Morgan County, IL, Sangamon County, IL

The radar

The Lincoln radar (KILX), 68 km from the middle of the area, began a volume at 18:23 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, 6.4 hours before the alert went out and 122 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 1996-12-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 70 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 12:00Z on 1996-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.1939587897117Sfc1 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
70 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
518 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
151 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 KSPI 231826 RRA
TORSPI
ILC137-167-231915-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
1223 PM CST MON DEC 23 1996
 
THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  115 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL ILLINOIS
 
   ...EASTERN MORGAN COUNTY...WESTERN SANGAMON COUNTY
 
AT 1220 PM...RADAR INDICATED A POSSIBLE TORNADO LOCATED 5 MILES EAST OF
MURRAYVILLE IN SOUTHERN MORGAN COUNTY. THE STORM ASSOCIATED WITH THE
POSSIBLE TORDADO WAS MOVING TO THE NORTHEAST AT 40 MPH. TOWNS IN THE
PATH INCLUDE FRANKLIN...ALEXANDER...NEW BERLIN AND SPRINGFIELD.
 
 
TAKE COVER IMMEDIATELY IN A BASEMENT OR INTERIOR ROOM ON THE
LOWEST FLOOR. ABANDON MOBILE HOMES AND VEHICLES FOR SAFER SHELTER.
ACT NOW TO SAVE YOUR LIFE!
$$

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 23, 12:16 PM CSTSevere Thunderstorm WarningILXMcLean, Woodford44 min
Dec 23, 12:37 PM CSTTornado WarningILXTazewell53 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.