Alert archive / Illinois / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 61, NWS St. Louis, MO

June 7, 1990Effingham County, Fayette County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 7, 1990, 1:20 AM CDT for Effingham County, Fayette County, Illinois. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Jun 7, 1990, 1:20 AM CDT (06:20 UTC)
Expired
Jun 7, 1990, 2:00 AM CDT
In force
40 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Effingham County, IL, Fayette 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, 6.3 hours before the alert went out and 218 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 1990-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1297 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 1990-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 263 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
1297 J/kg
Mixed-layer CIN
-256 J/kg
Mixed-layer LCL
1044 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
263 m²/s²
0-3 km storm-relative helicity
413 m²/s²
Significant tornado parameter
0.0
Supercell composite
10.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 070622
SVRSTL
ILC049-051-070700-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
120 AM CDT THU JUN 7 1990
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  200 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH CENTRAL ILLINOIS
          ...EFFINGHAM...EASTERN FAYETTE
 
AT 115 AM CDT THE FAYETTE COUNTY SHERIFF OFFICE REPORTED ONE INCH
DIAMETER HAIL IN CENTRAL FAYETTE COUNTY NEAR VANDALIA.
 
RADAR INDICATES THIS STORM IS MOVING TO THE EAST AT 40 MPH.  VERY
STRONG WINDS AND HAIL MAY ACCOMPANY THIS STORM.  PERSONS IN THE
COMMUNITIES OF EFFINGHAM AND EDGEWOOD AND SHUMWAY WILL BE IN THE PATH
OF THIS STORM BETWEEN 115 AND 145 AM CDT THIS THURSDAY MORNING.
 
 
 
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, Jun 6, 11:17 PM CDT, 2 hours 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1110 PM CDT WED JUN 6 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT ACROSS CENTRAL MISSOURI
INTO SOUTHERN ILLINOIS UNTIL 4 AM CDT...
...A FLASH FLOOD WATCH IS IN EFFECT TONIGHT ACROSS CENTRAL MISSOURI...

AT 1105 PM CDT...AN EAST WEST AREA OF THUNDERSTORMS TRAILED FROM
NEAR EFFINGHAM ILLINOIS TO COLUMBIA MISSOURI.

THE STRONGEST STORMS WERE LOCATED JUST WEST OF EFFINGHAM ILLINOIS...
ANOTHER 15 MILES WEST SOUTHWEST OF VANDALIA ILLINOIS AND ANOTHER
ABOUT 25 MILES EAST OF COLUMBIA.  THESE STORMS WERE MOVING TO THE EAST
AT 35 TO 40 MPH.

RESIDENTS OF VANDALIA AND EFFINGHAM ILLINOIS CAN EXPECT THE CHANCE
FOR BRIEF DOWNPOURS STRONG WINDS AND SMALL HAIL BETWEEN 1115 AND 1145
PM CDT.
RESIDENTS IN LINCOLN COUNTY IN MISSOURI...ABOUT 50 MILES NORTHWEST
OF ST LOUIS...SHOULD BE ESPECIALLY CAREFUL FOR FLOODING DURING THE
NEXT FEW HOURS.  FOUR SEPARATE STORMS HAVE PASSED OVER PORmTIONS
OF LINCOLN COUNTY BETWEEN 8PM AND 11 PM THIS EVENING AND MORE
RAIN IS LIKELY THROUGH AT LEAST 2 AM THURSDAY MORNING.

PEDIGO
Special weather statement, Jun 6, 11:41 PM CDT, 1 hour 39 minutes before
MOZ009-010-011-070530-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
1140 PM CDT WED JUN 6 1990

...STRONG THUNDERSTORMS WERE IN MONTGOMERY COUNTY AT 1140 PM...

A CLUSTER OF THUNDERSTORMS WITH VERY HEAVY RAIN WERE CENTERED ABOUT
40 MILES EAST OF COLUMBIA MOVING EAST AT 20 MILES AN HOUR.  THESE
STORMS WILL BE ACCOMPANIED BY FREQUENT LIGHTNING AND GUSTY WINDS AND
MAY PRODUCE SMALL HAIL.  IF YOU ARE IN MONTGOMERY COUNTY STAY INSIDE
A CAR OR BUILDING TO PROTECT YOURSELF FROM LIGHTNING.

FLOODED SPOTS ARE LIKELY ON ROADS IN CALLAWAY AND MONTGOMERY COUNTIES
UNTIL AFTER MIDNIGHT...SO SLOW DOWN IF YOU ARE DRIVING IN THESE AREAS.
RADAR INDICATED THAT MORE SHOWERS AND THUNDERSTORMS MAY FORM ALONG I-70
WEST OF COLUMBIA.  A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR CENTRAL
MISSOURI UNTIL 4 AM.  LISTEN TO RADIO OR TV FOR THE LATEST INFORMATION.
GOEBEL
Special weather statement, Jun 6, 11:48 PM CDT, 1 hour 32 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ST LOUIS MO
1140 PM CDT WED JUN 6 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT ACROSS CENTRAL MISSOURI
INTO SOUTHERN ILLINOIS UNTIL 4 AM CDT...
...A FLASH FLOOD WATCH IS IN EFFECT TONIGHT ACROSS CENTRAL MISSOURI...

AT 1132 PM CDT...STRONG THUNDERSTORMS CONTINUED FROM EASTERN MISSOURI
INTO SOUTHERN ILLINOIS.

THESE STORMS WERE SCATTERED FROM 40 MILES NORTHEAST OF COLUMBIA
MISSOURI...NEAR THE TOWN OF WELLSVILLE...INTO SOUTHERN ILLINOIS JUST
WEST OF VANDALIA AND SALEM. THESE STORMS WILL PRODUCE VERY HEAVY RAIN
GUSTY WINDS...AND POSSIBLY HAIL AS THEY MOVE TO THE EAST AT 45 MILES
AN HOUR.

THEY WERE PART OF AN AREA OF SHOWERS AND THUNDERSTORMS THAT STRETCHED
FROM KANSAS CITY ACROSS THE MID SECTION OF MISSOURI THROUGH SOUTHERN
ILLINOIS TO THE INDIANA BORDER SOUTH OF TERRE HAUTE INDIANA.

RADAR NOWCAST...RESIDENTS OF LINCOLN COUNTY IN EASTERN MISSOURI
SHOULD BE ALERT FOR FLOODING. SEVERAL STORMS CONTAINING VERY HEAVY RAIN
HAVE PASSED THROUGH THAT AREA TONIGHT.
HUTSELL
Special weather statement, Jun 7, 12:27 AM CDT, 53 minutes before
MOZALL-070600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1220 AM CDT THU JUN 7 1990

...SEVERE THUNDERSTORM WATCH FOR CENTRAL MISSOURI TIL 4 AM...
...FLASH FLOOD WATCH FOR THE REMAINDER OF TONIGHT...

SINCE 11 PM WEDNESDAY EVENING NO SEVERE WEATHER HAS BEEN REPORTED TO
THE NATIONAL WEATHER SERVICE.  HOWEVER AT 1215 AM A SOLID LINE OF
SHOWERS AND THUNDERSTORMS WERE IN AN EAST TO WEST LINE FROM 20 MILES
NORTH OF VANDALIA ILLINOIS WEST TO NEAR COLUMBIA MISSOURI...SKIRTING
THE ST LOUIS METROPOLITAN AREA JUST TO THE NORTH.

THE HEAVIEST STORMS WILL BE MOVING INTO ST CHARLES COUNTY IN MISSOURI
AND JERSEY AND MONTGOMERY COUNTIES IN ILLINOIS BEFORE 1 AM THIS
MORNING.  GUSTY WINDS AND SMALL HAIL COULD ACCOMPANY SOME OF THESE
STORMS.

PEDIGO
Special weather statement, Jun 7, 12:37 AM CDT, 43 minutes before
MOZ009-010-011-070630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
1230 AM CDT THU JUN 7 1990

...THUNDERSTORMS CONTINUE ACROSS CENTRAL MISSOURI AT 1230 AM...

THUNDERSTORMS WITH VERY HEAVY RAIN WERE FROM JUST EAST OF COLUMBIA TO
MONTGOMERY COUNTY.  THE STORMS WILL PRODUCE FREQUENT LIGHTNING AND
GUSTY WINDS AS THEY MOVE EAST AT 20 MILES AN HOUR.  BECAUSE OF THE
TRAIN EFFECT OF THE STORMS...SUCCESSIVE RAINS WILL CAUSE FLOODED SPOTS
ON ROADS.  SLOW DOWN IF YOU ARE DRIVING IN THESE AREAS.

A FEW SHOWERS WERE ALONG I-70 WEST OF COLUMBIA AND THESE MAY DEVELOP
INTO THUNDERSTORMS BY 2 AM.  STAY TUNED FOR THE LATEST INFORMATION.
A SEVERE THUNDERSTORM WATCH CONTINUES FOR CENTRAL MISSOURI UNTIL 4 AM.
GOEBEL
Special weather statement, Jun 7, 12:40 AM CDT, 40 minutes before
MOZ011-012-ILZ009-010-070630-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ST LOUIS MO
1240 AM CDT THU JUN 7 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT ACROSS CENTRAL MISSOURI
INTO SOUTHERN ILLINOIS UNTIL 4 AM CDT...
...A FLASH FLOOD WATCH IS IN EFFECT TONIGHT ACROSS CENTRAL MISSOURI...

AT 1229 AM CDT...THUNDERSTORMS WITH VERY HEAVY DOWNPOURS...STRONG GUSTY
WINDS AND POSSIBLE SMALL HAIL...WERE OCCURRING IN A LARGE CLUSTER FROM
NEAR COLUMBIA THROUGH NORTH OF ST LOUIS MISSOURI TO 100 MILES EAST OF
ST LOUIS NEAR NEWTON ILLINOIS.
THE STRONGER STORMS WERE BETWEEN COLUMBIA AND ELSBERRY MISSOURI...
BETWEEN JERSEYVILLE AND EFFINGHAM ILLINOIS...AT MATTOON ILLINOIS AND
BETWEEN SALEM AND SUMNER ILLINOIS. THESE STORMS WERE MOVING TO THE
EAST AT 40 TO 45 MILES AN HOUR AND PRODUCING FLOODING...ESPECIALLY IN
LOW LYING AREAS.

STORMS...SOME STRONG...WILL CONTINUE THROUGH PARTS OF CENTRAL MISSOURI
AND SOUTHERN ILLINOIS OVERNIGHT. DO NOT CROSS FLOWING WATERS OVER
ROADWAYS AND BRIDGES.
END

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 3:21 AM CDTFlash Flood WarningLSXSaint Clair5 hr
Jun 7, 6:26 AM CDTSevere Thunderstorm WarningLSXSaint Clair, Washington64 min
Jun 7, 6:43 AM CDTSevere Thunderstorm WarningLSXPerry, Randolph47 min
Jun 7, 8:40 AM CDTFlash Flood WarningLSXMonroe9 hr
Jun 7, 8:40 AM CDTFlash Flood WarningLSXSaint Clair9 hr
Jun 7, 3:40 PM CDTSevere Thunderstorm WarningLSXCalhoun65 min
Jun 7, 4:19 PM CDTSevere Thunderstorm WarningLSXMadison56 min
Jun 7, 4:19 PM CDTSevere Thunderstorm WarningLSXMonroe, Saint Clair41 min
Jun 7, 4:19 PM CDTSevere Thunderstorm WarningLSXJersey41 min
Jun 7, 4:54 PM CDTSevere Thunderstorm WarningLSXBond36 min

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.