Alert archive / Illinois / Tornado Warnings in 1990

Tornado Warning 1, NWS Indianapolis, IN

May 16, 1990Jasper County, Illinois

NWS Indianapolis, IN issued this tornado warning at May 16, 1990, 3:08 AM CDT for Jasper County, Illinois. It was in force for 22 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 16, 1990, 3:08 AM CDT (08:08 UTC)
Expired: May 16, 1990, 3:30 AM CDT
In force: 22 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

County Jasper County, IL

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where	Remark
May 16, 3:15 AM CDT	Thunderstorm Wind 0	Jasper, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 00:00Z, 8.1 hours before the alert went out and 221 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: 1196 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 1228 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 286 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 7.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KEVV 160809
TOREVV
ILC079-160830-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EVANSVILLE IN
308 AM CDT WED MAY 16 1990
 
THE NATIONAL WEATHER SERVICE IN EVANSVILLE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  330 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHEAST ILLINOIS
          ...JASPER
 
AT 300 AM CDT...AN UNCOMFIRMED TORNADO TOUCHDOWN WAS REPORTED NEAR
DIETERICH ILLINOIS...75 MILES NORTHWEST OF EVANSVILLE. THIS STORM IS
MOVING EAST AT 50 MPH...AND WILL MOVE THROUGH THE TOWNS OF NEWTON...
ROSE HILL AND RIDALGO BY 315 AM CDT. IF YOU ARE IN THE PATH OF THIS
STORM TAKE COVER IMMEDIATELY.
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.
RUNNELS

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 15, 8:55 PM CDT	Severe Thunderstorm Warning	IND	Lawrence, Wabash	50 min
May 16, 3:28 AM CDT	Severe Thunderstorm Warning	IND	Crawford	32 min
May 16, 10:16 AM CDT	Flash Flood Warning	IND	Lawrence, Richland, Wabash	4 hr
May 16, 10:16 AM CDT	Flash Flood Warning	IND	Edwards, Wayne	4 hr

Nearby

Tornado Warnings in Illinois, 1990 Every tornado warning in 1990 Tornadoes in 1990

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.