Alert archive / Illinois / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 63, NWS St. Louis, MO

July 18, 1989Perry County, Randolph County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Jul 18, 1989, 9:43 PM CDT for Perry County, Randolph County, Illinois. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
Jul 18, 1989, 9:43 PM CDT (02:43 UTC)
Expired
Jul 18, 1989, 10:15 PM CDT
In force
32 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 00:00Z, 2.7 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 00:00Z on 1989-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 533 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 00:00Z on 1989-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 square meters per square second.19395878Sfc1 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
533 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
1000 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
161 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 190245
SVRSTL
ILC145-157-190345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
943 PM CDT TUE JUL 18 1989
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH CENTRAL ILLINOIS
          ...PERRY
IN SOUTHWEST ILLINOIS
          ...NORTHERN RANDOLPH
 
WEATHER SERVICE RADAR INDICATES A SEVERE THUNDERSTORM JUST TO THE WEST
OF SPARTA IN NORTHERN RANDOLPH COUNTY OF ILLINOIS...OR ABOUT 35 MILES
SOUTHEAST OF SAINT LOUIS. THE STORM WAS MOVING TO THE EAST AT 25 MPH.
 
A POWER OUTAGE HAS BEEN REPORTED WITH THIS STORM AT RED BUD IN
NORTHWEST RANDOPLPH COUNTY...OR ABOUT 30 MILES SOUTHEAST OF
SAINT LOUIS.  HEAVY RAINS HAVE ALSO BEEN REPORTED.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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, Jul 18, 6:06 PM CDT, 3 hours 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAINT LOUIS, MO
0600 PM CDT TUE JUL 18 1989

...THUNDERSTORMS IN EXTREME NORTHEAST AND EAST CENTRAL MISSOURI AND
   WEST CENTRAL TO SOUTHWEST ILLINOIS...

AT 555 PM CDT...THUNDERSTORMS WERE LOCATED IN THE ST LOUIS AREA MAINLY
NORTH AND WEST PORTIONS OF THE METRO AREA.  BRIEF HEAVY RAIN FOLLOWED
BY LIGHT RAIN WILL BE THE RULE IN THE NORTH SECTIONS OF THE METRO AREA
UNTIL AROUND 7 OR 730 PM.  STORMS CONTINUE TO MOVE EAST AT 35 MPH.

OTHER STRONG THUNDERSTORMS WERE LOCATED TO THE EAST OF CARTHAGE ILLINOIS
ABOUT 20 MILES EAST OF KEOKUCH IOWA.

A LINE OF STRONG THUNDERSTORMS IN NORTH EAST MISSOURI EXTENDS FROM THE
IOWA BORDER JUST NORTH OF KAHOKA ABOUT 40 MILES NORTHEAST OF KIRKSVILLE
TO NEAR MACON ABOUT 20 MILES SOUTH OF KIRKSVILLE.  ANOTHER STRONG STORM
IS LOCATED NEAR FAYETTE ABOUT 18 MILES NORTH OF COLUMBIA.

MOST OF THEST STORMS ARE MOVING EAST AT 35 MPH AND MAY CONTAIN TSMALL
HAIL AND STRONG GUSTY WINDS.

HAMILTON
Special weather statement, Jul 18, 6:31 PM CDT, 3 hours 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAINT LOUIS, MO
630 PM CDT TUE JUL 18 1989

...THUNDERSTORMS TO MOVE THROUGH THE QUINCY ILLINOIS AND HANNIBAL
   MISSOURI AREAS BETWEEN 650 AND 8 PM..

AT 625 PM A LINE OF THUNDERSTORMS EXTENDED FROM NEAR KEOKUK IOWA TO NEAR
SHELBINA MISSOURI ABOUT 20 MILES WEST OF QUINCY ILLINOIS.  THE LINE IS
MOVING EAST AT 30 MPH AND WILL REACH QUINCY AROUND 7 PM.  THE STRONGEST
STORM WAS ABOUT 25 MILES WEST OF QUINCY AND CONTAINS HAIL AND STRONG
GUSTY WINDS.

THE LINE OF THUNDERSTORMS SHOULD REACH THE HANNIBAL AREA BETWEEN 7 AND
730 PM.

DANGEROUS LIGHTNING SOME HAIL AND STRONG WINDS WILL ACCOMPANY THESE
STORMS.  LOCALLY HEAVY RAIN WITH SO{ME LOCAL AND URBAN FLOODING CAN
OCCUR WITH THESE STORMS.

HAMILTON
Special weather statement, Jul 18, 6:43 PM CDT, 3 hours before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ST LOUIS MO
644 PM CDT TUE JUL 18 1989

...STRONG STORMS IN EXTREME NORTHEAST MISSOURI AND WEST CENTRAL
   ILLINOIS...

AT 633 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN...STRONG WINDS AND
POSSIBLE SMALL HAIL WERE OCCURRING...
 20 MILES WEST OF QUINCY ILLINOIS IN EAST LEWIS COUNTY MISSOURI AND
 30 MILES NORTHEAST OF QUINCY IN NORTHERN SCHUYLER COUNTY ILLINOIS.
THESE STORMS WERE MOVING TO THE EAST AT 35 MILES AN HOUR.
THESE STORMS WILL AFFECT THE ILLINOIS COUNTIES OF ADAMS...INCLUDING THE
CITY OF QUINCY ILLINOIS...AND NORTHERN SCHUYLER AND SOUTHERN FULTON
BETWEEN 640PM TO 730PM.

THESE STORMS WERE PART OF A LARGE AREA OF SHOWERS AND STORMS IN PARTS
OF THE EASTERN HALF OF MISSOURI THROUGH MOST OF CENTRAL ILLINOIS.

THE STRONG STORMS WITH THE VERY HEAVY RAIN SHOULD REMAIN IN PARTS OF
NORTHEAST MISSOURI INTO THE NORTHERN HALF OF ILLINOIS THIS EVENING.
END
Special weather statement, Jul 18, 7:42 PM CDT, 2 hours 1 minute before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ST LOUIS MO
742 PM CDT TUE JUL 18 1989

...STRONG STORMS IN EXTREME NORTHEAST MISSOURI AND IN CENTRAL
   ILLINOIS...

AT 732 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN...STRONG WINDS AND
POSSIBLE SMALL HAIL WERE OCCURRING...
 50 MILES NORTHWEST OF ST LOUIS NEAR BOWLING GREEN MISSOURI AND
 50 MILES NORTH NORTHWEST OF ST LOUIS IN NORTHERN CALHOUN COUNTY
ILLINOIS AND
 50 MILES NORTHEAST OF ST LOUIS NEAR CARLINVILLE ILLINOIS AND
 25 MILES WEST OF QUINCY ILLINOIS NEAR SHELBINA MISSOURI AND
 JUST SOUTH OF QUINCY ILLINOS AND
 25 MILES SOUTH OF BLOOMINGTON NEAR ATLANTA ILLINOIS AND
 30 MILES WEST OF PEORIA NEAR KNOXVILLE ILLINOIS.
THESE STORMS WERE MOVING TO THE EAST AT 35 MILES AN HOUR.

THE STRONGER STORMS WITH VERY HEAVY RAIN SHOULD REMAIN IN PARTS OF
NORTHEAST MISSOURI INTO CENTRAL ILLINOIS UNTIL LATE TONIGHT.
END
Special weather statement, Jul 18, 8:40 PM CDT, 1 hour 3 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ST LOUIS MO
839 PM CDT TUE JUL 18 1989

...STRONG STORMS IN EAST CENTRAL MISSOURI AND SOUTHEAST ILLINOIS...

AT 830 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN AND STRONG WINDS
WERE OCCURRING...
 55 MILES SOUTHWEST OF ST LOUIS AROUND THE SULLIVAN MISSOURI AREA AND
 30 MILES EAST OF COLUMBIA NEAR HERMANN MISSOURI AND
 55 MILES SOUTH OF ST LOUIS AROUND THE FLAT RIVER MISSOURI AREA AND
 15 MILES SOUTH...30 MILES SOUTH AND 40 MILES SOUTHWEST OF QUINCY
ILLINOIS NEAR HANNIBAL...LOUISIANA AND PARIS MISSOURI AND
 35 MILES EAST OF MT VERNON NEAR GOLDEN GATE ILLINOIS.
THESE STORMS WERE MOVING TO THE EAST AT 35 MILES AN 6HOUR.

THESE STORMS WERE PART OF A LARGER AREA OF STORMS AND SHOWERS IN A
LARGE PART OF THE EASTERN HALF OF MISSOURI INTO MOST OF CENTRAL
SECTIONS OF ILLINOIS.
END
Special weather statement, Jul 18, 9:40 PM CDT, 3 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ST LOUIS MO
938 PM CDT TUE JUL 18 1989

...STRONG STORMS IN EAST CENTRAL MISSOURI AND SOUTHWEST ILLINOIS...

AT 933 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN...STRONG WINDS
AND POSSIBLE HAIL WERE OCCURRING...
 30 MILES SOUTHEAST OF ST LOUIS NEAR RED BUD ILLINOIS AND
 50 MILES WEST OF ST LOUIS NEAR HERMANN MISSOURI AND
 20 MILES SOUTHWEST OF ST LOUIS NEAR PACIFIC MISSOURI AND
 40 MILES SOUTHWEST OF ST LOUIS IN WESTERN WASHINGTON COUNTY MISSOURI
 50 MILES NORTHWEST OF ST LOUIS NEAR BOWLING GREEN MISSOURI AND
 40 MILES NORTH OF ST LOUIS IN NORTERN CALHOUN COUNTY ILLINOIS.
THESE STORMS WERE MOVING TO THE EAS~T AT 30 MILES AN HOUR.

THESE STORMS WERE PART OF A LARGER AREA OF STORMS AND SHOWERS IN A
LARGE PART OF THE EASTERN HALF OF MISSOURI INTO PARTS OF CENTRAL
SECTIONS OF ILLINOIS.
END

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.