Alert archive / Illinois / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 40, NWS Indianapolis, IN

April 28, 1989Edwards County, Wabash County, Illinois

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 28, 1989, 8:14 PM CDT for Edwards County, Wabash County, Illinois. It was in force for 46 min. 2 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 28, 1989, 8:14 PM CDT (01:14 UTC)
Expired
Apr 28, 1989, 9:00 PM CDT
In force
46 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Edwards County, IL, Wabash 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

TimeReportWhereRemark
Apr 28, 8:30 PM CDTHail 0.75Edwards, IL
Apr 28, 8:40 PM CDTHail 0.75Wabash, 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, 1.2 hours before the alert went out and 165 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, Paducah/Barkley, KY at 00:00Z on 1989-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Paducah/Barkley, KY at 00:00Z on 1989-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -57 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1661 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-57 m²/s²
0-3 km storm-relative helicity
-41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 28, 7:52 PM CDT, 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
750 PM EST FRI APR 29 1989

A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM FOR
BARTHOLOMEW AND DECATUR COUNTIES.

THE SEVERE THUNDERSTORM WARNING FOR BROWN COUNTY IS NO LONGER IN
EFFECT.

AT 745 PM RADAR WAS INDICATING SEVERE THUNDERSTORMS OVER THE
SOUTHERN HALF OF BARTHOLOMEW COUNTY. AT 745 PM THE BARTHOLOMEW
COUNTY SHERIFF REPORTED VISIBILITY NEAR ZERO IN RAIN AND GUSTY WINDS.

THESE THUNDERSTORMS WERE MOVING EAST AT 20 MILES AN HOUR. THEY WILL
MOVE NEAR THE TOWN OF WEST PORT IN DECATUR COUNTY BY 800 PM.

THESE THUNDERSTORMS MAY CONTAIN VERY HEAVY RAIN...INTENSE LIGHTNING
...HAIL AND GUSTY WINDSu.

REPORT SEVERE WEATHER TO YOUR LAW ENFORCEMENT AGENCY FOR RELAY TO
THE NATIONAL WEATHER SERVICE.

HAINES
Special weather statement, Apr 28, 8:14 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA
810 PM EST FRI APR 29 1989

THE SEVERE THUNDERSTORM WARNINGS FOR BARTHOLOMEW AND DECATUR COUNTIES
OF SOUTH-CENTRAL INDIANA EXPIRED AT 8 PM EST THIS EVENING.

AT 800 PM EST INDIANAPOLIS WEATHER RADAR SHOWED AN AREA OF THUNDER-
STORMS FROM BROWN COUNTY EASTWARD TO CINCINNATI. THE STRONGEST STORMS
WERE ABOUT 15 MILES SOUTH OF COLUMBUS IN BARTHOLOMEW COUNTY. ANOTHER
STORM WAS IN THE EXTREME NORTHWEST PART OF JENNINGS COUNTY AND ABOUT
5 MILES NORTHWEST OF NORTH VERNON.

THE STORMS WERE MOVING EAST AT 25 MILES AN HOUR .

THE THUNDERSTORMS PRODUCED VERY HEAVY DOWNPOURS...SMALL HAIL...GUSTY
WINDS AND INTENSE LIGHTNING.

PERSONS NEAR THE STORMS SHOULD BE ALERT TO THEM. WHEN THREATENING
WEATHER CONDITIONS ARE SIGHTED...GO TO A SAFE PLACE AT ONCE.
REPORT SEVERE WEATHER TO NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO
THE NATIONAL WEATHER SERVICE.

KOLDITZ

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 7:06 PM CDTSevere Thunderstorm WarningINDBartholomew, Brown54 min
Apr 28, 7:31 PM CDTSevere Thunderstorm WarningINDBartholomew, Decatur29 min
Apr 28, 9:48 PM CDTTornado WarningINDKnox27 min
Apr 28, 10:09 PM CDTTornado WarningINDDaviess36 min
Apr 29, 1:09 AM CDTFlash Flood WarningINDBartholomew4 hr
Apr 28, 9:12 PM CDTSevere Thunderstorm WarningINDLawrence, Richland48 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1989Every 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.