Alert archive / Illinois / Tornado Warnings in 1996

Tornado Warning 33, NWS St. Louis, MO

May 27, 1996Adams County, Brown County, Pike County, Illinois

NWS St. Louis, MO issued this tornado warning at May 27, 1996, 8:05 PM CDT for Adams County, Brown County, Pike County, Illinois. It was in force for 40 min. 4 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 27, 1996, 8:05 PM CDT (01:05 UTC)
Expired: May 27, 1996, 8:45 PM CDT
In force: 40 min
Issued by: NWS St. Louis, MO
Area: Whole counties

Counties Adams County, IL, Brown County, IL, Pike County, IL

The radar

The St Louis radar (KLSX), 131 km from the middle of the area, began a volume at 01:04 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
May 27, 8:30 PM CDT	Tornado F0	Griggsville, IL
May 27, 8:35 PM CDT	Hail 1	East Hannibal, IL
May 27, 8:40 PM CDT	Tornado F0	Beverly, IL
May 27, 8:45 PM CDT	Hail 1.75	Perry, 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, 1.1 hours before the alert went out and 199 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 KSTL 280106
TORSTL
ILC001-009-149-280145-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
805 PM CDT MON MAY 27 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  845 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL ILLINOIS
 
   ...SOUTHEASTERN ADAMS COUNTY...BROWN COUNTY
   ...NORTHERN PIKE COUNTY
 
AT 805 PM...WEATHER RADAR INDICATED A TORNADO NEAR THE ADAMS...PIKE
COUNTY LINE...ABOUT 5 TO 10 MILES SOUTHWEST OF KINGSTON.
 
THE STORM WAS MOVING EAST AT 30 MPH...AND WILL BE AFFECTING THE
KINGSTON...BEVERLY...FISHHOOK...PERRY...AND CHAMBERSBURG AREAS.
 
IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVERP IN A BASEMENT
OR INTERIOR ROOM ON THE LOWEST LEVEL.
 
AUTOMOBILES AND MOBILE HOMES SHOULD BE ABANDONED. GO TO A STURDY
BUILDING OR LIE FLAT IN A DITCH AND COVER YOUR HEAD.
 
TRUETT/GKS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 7:04 PM CDT	Severe Thunderstorm Warning	LSX	Adams	41 min
May 27, 7:45 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Brown, Pike	45 min
May 27, 8:43 PM CDT	Tornado Warning	LSX	Pike	32 min
May 27, 9:33 PM CDT	Severe Thunderstorm Warning	LSX	Pike	42 min
May 27, 10:25 PM CDT	Severe Thunderstorm Warning	LSX	Greene, Macoupin	50 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.