Alert archive / Illinois / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 59, NWS St. Louis, MO

June 1, 1989Perry County, Randolph County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 1, 1989, 3:28 PM CDT for Perry County, Randolph County, Illinois. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
Jun 1, 1989, 3:28 PM CDT (20:28 UTC)
Expired
Jun 1, 1989, 4:15 PM CDT
In force
47 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Perry County, IL, Randolph County, IL

The radar

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

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 8.5 hours before the alert went out and 136 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 12:00Z on 1989-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 747 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 1989-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
747 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
1113 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 012028
SVRSTL
ILC027-145-157-163-189-012115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
328 PM CDT THU JUN 1 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 415 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

SOUTHWEST ILLINOIS...
    CLINTON...NORTH PERRY...NORTH RANDOLPH...ST. CLAIR...WASHINGTON

AT 325 PM CDT A SEVERE THUNDERSTORM WAS 35 MILES SOUTHEAST OF ST LOUIS
NEAR BALDWIN ILLINOIS.  ANOTHER WAS JUST WEST OF BELLEVILLE ILLINOIS...
10 MILES SOUTHEAST OF ST LOUIS.  THE STORMS WERE MOVING TO THE EAST AT
30 MPH TOWARD BELLEVILLE AND MARISSA ILLINOIS.

ONE INCH HAIL WAS REPORTED NEAR BALDWIN ILLINOIS AT 320 PM.

HEAVY RAIN WILL CAUSE TEMPORARY FLOODING OF STREETS AND LOW LYING
AREAS.

BE ALERT FOR THESE STORMS.  PROTECT YOURSELF FROM THE DANGERS OF LARGE
HAIL...DAMAGING WINDS AND LIGHTNING BY REMAINING INDOORS AWAY FROM
WINDOWS.

MCCARTHY

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, Jun 1, 12:41 PM CDT, 2 hours 47 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ST LOUIS MO
1240 PM CDT THU JUN 1 1989

...ISOLATED STRONG STORMS IN SOUTHEAST MISSOURI AND SOUTHERN ILLINOIS...

AT 1229 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN AND STRONG GUSTY
WINDS WERE OCCURRING...
 50 MILES SOUTH OF ST LOUIS IN THE FLAT RIVER/FARMINGTON MISSOURI AREAS
 65 MILES EAST OF ST LOUIS AT MT VERNON ILLINOIS
THE STORMS WERE MOVING TO THE EAST AT 30 MILES AN HOUR.
NO SEVERE WEATHER HAS BEEN REPORTED AS OF 1230PM.

ISOLATED STORMS CONTINUED TO DEVELOP IN SOUTHEAST MISSOURI INTO
SOUTHERN ILLINOIS.

SHOWERS CONTINUED IN A LARGE PART OF NORTHEAST MISSOURI INTO THE
NORTHERN HALF OF ILLINOIS. THE RAIN WAS MOVING TO THE NORTHEAST
AT 35 MILES AN HOUR.
RADAR NOWCAST...STORMS...SOME STRONG...WILL CONTINUE TO DEVELOP IN
THE SOUTHEAST QUARTER OF MISSOURI INTO THE SOUTHERN HALF OF ILLINOIS
THIS AFTERNOON. SHOWERS WILL CONTINUE ALONG THE COLD FRONT IN
MOST OF THE NORTHWESTERN HALF OF MISSOURI INTO THE NORTHERN HALF
OF ILLINOIS THROUGH THIS AFTERNOON.

END
Special weather statement, Jun 1, 2:57 PM CDT, 31 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
255 PM CDT THU JUN 1 1989

...SEVERE THUNDERSTORM WATCH UNTIL 9 PM PARTS OF EAST CENTRAL AND
SOUTHEAST MISSOURI INTO CENTRAL AND SOUTH ILLINOIS...

JUST BEFORE 3 PM A THUNDERSTORM WITH EXTREMELY HEAVY RAIN...STRONG
WIND AND SMALL HAIL WAS OVER THE CITY OF ST LOUIS...EXTENDING INTO
WEST AND SOUTHWEST PARTS OF ST LOUIS COUNTY.  THE HEAVY RAIN FROM
THIS STORM WILL CAUSE SOME TEMPORARY FLOODING OF STREETS AND LOW
LYING AREAS.  MOTORISTS SHOULD BE EXTREMELY CAUTIOUS.

THE STORM WAS MOVING EAST AT 30 MPH.  IT WAS PART OF A BAND OF
STORMS EXTENDING FROM WEST CENTRAL ILLINOIS THROUGH THE ST LOUIS
AREA INTO SOUTHEAST MISSOURI...ALL THE WAY TO WEST PLAINS MISSOURI.

MCCARTHY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 3:05 PM CDTSevere Thunderstorm WarningLSXMadison40 min
Jun 1, 3:28 PM CDTSevere Thunderstorm WarningLSXClinton, Saint Clair, Washington47 min
Jun 1, 3:35 PM CDTSevere Thunderstorm WarningLSXBond40 min
Jun 1, 4:00 PM CDTSevere Thunderstorm WarningLSXFayette35 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; the sounding from the Mesonet's radiosonde archive.