Alert archive / Illinois / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 17, NWS Indianapolis, IN

April 3, 1989Edwards County, Wayne County, White County, Illinois

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 3, 1989, 4:00 PM CDT for Edwards County, Wayne County, White County, Illinois. It was in force for 45 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: Apr 3, 1989, 4:00 PM CDT (21:00 UTC)
Expired: Apr 3, 1989, 4:45 PM CDT
In force: 45 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

Counties Edwards County, IL, Wayne County, IL, White 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
Apr 3, 4:30 PM CDT	Tornado F1	Wayne, IL
Apr 3, 4:30 PM CDT	Hail 2.75	White, IL
Apr 3, 4:41 PM CDT	Hail 1.75	Edwards, IL
Apr 3, 4:53 PM CDT	Tornado F1	Edwards, 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 12:00Z, 9.0 hours before the alert went out and 144 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: 55 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 556 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 128 m²/s²
0-3 km storm-relative helicity: 171 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 3, 1:39 PM CDT, 2 hours 21 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
135 PM  EST MON APR  3 1987

IN INDIANA TORNADO  WATCH NUMBER 77  IS IN EFFECT
UNTIL 8 PM  EST AND INCLUDES THAT PART OF INDIANA...
SOUTH OF A LINE FROM NEWPORT TO 10 MILES WEST OF INDIANAPOLIS AND
WEST OF A LINE FROM 10 MILES WEST OF INDIANAPOLIS TO 10 MILES WEST
OF CORYDON.

SOME CITIES INCLUDED ARE... TERRE HAUTE...GREENCASTLE...BROWNSBURG
...BLOOMINGTON...BEDFORD...JASPER AND EVANSVILLE.

REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE
WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR
LATER STATEMENTS AND POSSIBLE WARNINGS.
STEIGERWALDT

Special weather statement, Apr 3, 3:37 PM CDT, 23 minutes before

SPECIAL WEATHER STATEMENT AND CENTRAL INDIANA PRECIPITATION SUMMARY
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
335 PM  EST MON APR  3 1987

A TORNADO WATCH CONTINUES IN EFFECT FOR PARTS OF SOUTHWEST AND
WESTCENTRAL INDIANA UNTIL 8 PM EST...AND A FLASH FLOOD WATCH IS
IN EFFECT FOR THE SOUTH HALF OF INDIANA FOR TONIGHT.

THE TORNADO WATCH INCLUES THE WESTERN INDIANAPOLIS METROPOLITAN AREA
INCLUDING HENDRICKS AND MORGAN COUNTIES. THE CITY OF INDIANAPOLIS AND
MARION...BOONE...HAMILITON...HANCOCK...SHELBY AND JOHNSON COUNTIES ARE
NOT INCLUDED IN THE WATCH.

AT 330 THIS AFTENOON THERE WAS NO SEVERE WEATHER IN INDIANA.

LIGHT RAIN WAS OVER NORTHCENTRAL INDIANA BETWEEN FORT WAYNE AND
VALPARISO. AND IN EASTCENTRAL ILLINOIS FROM MATTOON THROUGH
CHAMPAIGH TO KANKAKEE.

THE RAIN WAS MOVING NORTHEAST AT 35 TO 40 MILES AN HOUR.

REMEMBER A WATCH MEANS CONDTIONS ARE FAVORABLE FOR SEVERE WEATHER
TO DEVELOP AND A WARNING MEANS SEVERE WEATHER HAS BEEN SIGHTED.

DURING A WATCH LISTEN FOR FURTHER UPDATES ON THE WEATHER SITUATION
AND BE READY TO TAKE COVER IN THE EVENT A WARNING IS ISSUED.

CT

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 4:45 PM CDT	Severe Thunderstorm Warning	IND	Gibson, Posey	45 min
Apr 3, 4:57 PM CDT	Tornado Warning	IND	Gibson	33 min
Apr 3, 5:29 PM CDT	Severe Thunderstorm Warning	IND	Posey	46 min
Apr 3, 5:29 PM CDT	Severe Thunderstorm Warning	IND	Gibson, Vanderburgh	46 min
Apr 3, 5:45 PM CDT	Tornado Warning	IND	Gibson, Pike, Warrick	45 min
Apr 3, 5:45 PM CDT	Tornado Warning	IND	Vanderburgh	45 min
Apr 3, 6:23 PM CDT	Severe Thunderstorm Warning	IND	Spencer, Vanderburgh, Warrick	67 min
Apr 3, 6:23 PM CDT	Severe Thunderstorm Warning	IND	Posey	67 min
Apr 3, 6:23 PM CDT	Severe Thunderstorm Warning	IND	Perry	67 min
Apr 3, 6:45 PM CDT	Severe Thunderstorm Warning	IND	Dubois, Pike	45 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1989 Every severe thunderstorm warning in 1989

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.