Alert archive / Illinois / Tornado Warnings in 1996

Tornado Warning 33, NWS Lincoln, IL

May 27, 1996Morgan County, Scott County, Illinois

NWS Lincoln, IL issued this tornado warning at May 27, 1996, 8:48 PM CDT for Morgan County, Scott County, Illinois. It was in force for 42 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: May 27, 1996, 8:48 PM CDT (01:48 UTC)
Expired: May 27, 1996, 9:30 PM CDT
In force: 42 min
Issued by: NWS Lincoln, IL
Area: Whole counties

Counties Morgan County, IL, Scott County, IL

The radar

The Lincoln radar (KILX), 100 km from the middle of the area, began a volume at 01:50 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
May 27, 9:08 PM CDT	Hail 1.75	Bluffs, 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

Davenport, (KDVN), launched 00:00Z, 1.8 hours before the alert went out and 216 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 493 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 219 m²/s²
0-3 km storm-relative helicity: 305 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 280149
TORSPI
ILC137-171-280230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
848 PM CDT MON MAY 27 1996

THE NATIONAL WEATHER SERVICE IN LINCOLN IL HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 930 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN CENTRAL ILLINOIS

   ...WESTERN MORGAN COUNTY

IN WEST CENTRAL ILLINOIS

   ...SCOTT COUNTY
 
AT 847 PM CDT...DOPPLER RADAR INDICATED A POSSIBLE TORNADO LOCATED
IN NORTHEAST PIKE COUNTY...NEAR GRIGGSVILLE.

THE STORM ASSOCIATED WITH THE TORNADO WAS MOVING TO THE EAST AT 30
MPH AND SHOULD MOVE THROUGH THE FOLLOWING TOWNS...BLUFFS AND
JACKSONVILLE.

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!
$$

BYRD

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 9:24 PM CDT	Tornado Warning	ILX	Morgan, Scott	66 min
May 27, 10:14 PM CDT	Tornado Warning	ILX	Sangamon	61 min
May 27, 11:14 PM CDT	Severe Thunderstorm Warning	ILX	Christian	61 min
May 28, 1:37 PM CDT	Tornado Warning	ILX	Champaign	38 min
May 28, 2:06 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	69 min
May 28, 2:30 PM CDT	Tornado Warning	ILX	Champaign, Vermilion	45 min
May 28, 2:42 PM CDT	Tornado Warning	ILX	Edgar, Vermilion	43 min

Nearby

Tornado Warnings in Illinois, 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.