Alert archive / Illinois / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 29, NWS Lincoln, IL

June 5, 1990Montgomery County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 5, 1990, 7:47 PM CDT for Montgomery County, Illinois. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Jun 5, 1990, 7:47 PM CDT (00:47 UTC)
Expired
Jun 5, 1990, 8:30 PM CDT
In force
43 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Montgomery 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, 0.8 hours before the alert went out and 250 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 1990-06-06Temperature 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 1990-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
1437 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSPI 060047
SVRSPI
ILC135-060130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD IL
747 PM CDT TUE JUN 5 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 830 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE CENTRAL PART OF ILLINOIS
      SOUTHERN MONTGOMERY

AT 740PM...RADAR INDICATED A SEVERE THUNDERSTORM OVER SOUTHEAST
MACOUPIN COUNTY.

AT 738PM...LARGE HAIL WAS REPORTED COVERING THE GROUND AT GILLESPIE
50 MILES SOUTH OF SPRINGFIELD.

THE STORM WAS MOVING SOUTHEAST AT 35 MPH AND WILL PASS THROUGH
THE LITCHFIELD AND HILLSBORO AREAS BY 815PM.

IF YOU ARE IN AN AREA THREATENED BY THE STORM..GO TO A REINFORCED
SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL...VERY HEAVY
RAIN AND DANGEROUS LIGHTNING.

REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
A TORNADO WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT.

INTENSE LIGHTNING IS REPORTED WITH THIS STORM. IF OUTDOORS...
STAY AWAY FROM HIGH OBJECTS. MOVE INDOORS IF POSSIBLE. WHEN
INDOORS...STAY AWAY FROM WINDOWS AND DOORS. AVOID USING TELEPHONES
AND ELECTRICAL EQUIPIMENT.

 ATTN ISP DIST...18
 WAGNER

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 5, 5:06 PM CDT, 2 hours 41 minutes before
ILZ009-010-052330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
505 PM CDT TUE JUN 5 1990

...THUNDERSTORMS CONTINUE OVER CENTRAL ILLINOIS...
AT 5 PM CDT WEATHER RADARS SHOWS A LARGE AREA OF SHOWERS AND THUNDER-
STORMS NORTH OF A LINE FROM 20 MILES SOUTHWEST OF PITTSFIELD ILLINOIS
TO NEAR SHELBYVILLE ILLINOIS THE NORTHEAST TO NEAR KANKANEE ILLINOIS.

THE SHOWERS AND THUNDERSTORMS WAS MOVING SOUTHEAST AT 30 MPH.

THE STRONGEST THUNDERSTORMS WERE JUST WEST OF PITTSFIELD ILLINOIS
AND SOUTH OF QUINCY ILLINOIS.

SHOWERE AND THUNDERSTORMS CONTINUE OVER CENTRAL ILLINOIS SOME OF THESE
THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS..HAIL..DANGEROUS LIGHTNING
AND BRIEF HEAVY RAINFALL CAUSING LOCAL FLLODING.
HILLIARD
Special weather statement, Jun 5, 6:29 PM CDT, 1 hour 18 minutes before
ILZ009-010-060100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
625 PM CDT TUE JUN 5 1990

...THUNDERSTORMS CONTINUE OVER CENTRAL ILLINOIS...
AT 620 PM CDT WEATHER RADARS SHOWS A LARGE AREA OF SHOWERS AND THUNDER-
STORMS NORTH OF A LINE FROM JUST NORTH OF ST. LOUIS TO JUST SOUTH OF
MARTINSVILLE ILLINOIS IN CLARK COUNTY.

THE SHOWERS AND THUNDERSTORMS WAS MOVING EAST AT 35 MPH.

THE STRONGEST THUNDERSTORMS WERE LOCATED IN SOUBTHEAST CASS COUNTY 30
MILES NORTHWEST OF SPRINGFIELD AND JUST SOUTH OF HAVANA ILLINOIS.

THE STRONGEST THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS..HAIL..
 DANGEROUS LIGHTNING BRIEF HEAVY RAINFALL CAUSING LOCAL FLLODING.
HILLIARD
Special weather statement, Jun 5, 6:35 PM CDT, 1 hour 12 minutes before
ILZ009-060030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
630 PM CDT TUE JUN 5 1990

...STRONG THUNDERSTORMS IN MASON COUNTY...

AT 625 CDT RADAR INDICATED AN AREA OF SHOWERS AND THUNDPERSTORMS FROM
SOUTHWEST MASON COUNTY TOWARDS SPRINGFIELD. THE STRONGEST STORM IN
SOUTHWEST MASON COUNTY WAS NEAR KILBOURNE...45 MILES SOUTHWEST OF
PEORIA. MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR.

ROEPKE
Special weather statement, Jun 5, 6:46 PM CDT, 1 hour 1 minute before
ILZ009-010-060100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
645 PM CDT TUE JUN 5 1990

...THUNDERSTORMS CONTINUE OVER CENTRAL ILLINOIS...

AT 640 PM CDT WEATHER RADAR SHOWS A LARGE AREA OF SHOWERS AND THUNDER-
STORMS NORTH OF A LINE FROM ST. LOUIS TO TERRE HAUTE INDIANA.
THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST AT 35 MPH.

THE STRONGEST THUNDERSTORMS WERE LOCATED 20 MILES NORTHWEST OF
SPRINGFIELD...NEAR PETERSBURG.b..JUST EAST OF JACKSONVILLE...AND 40
MILES SOUTHWEST OF SPRINGFIELD...ENTERING WEST CENTRAL MACOUPIN
COUNTY.

THESE STORMS WILL PRODUCE VERY GUSTY WINDS...SMALL HAIL...BRIEF HEAVY
RAIN AND DANGEROUS LIGHTNING.
WAGNER

Nearby

Severe Thunderstorm Warnings in Illinois, 1990Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.