Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 33, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 15, 1990, 11:03 PM CDT for Adams County, Pike County, Illinois. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- May 15, 1990, 11:03 PM CDT (04:03 UTC)
- Expired
- May 15, 1990, 11:45 PM CDT
- In force
- 42 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Adams County, IL, Pike 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, 4.1 hours before the alert went out and 366 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.
- Mixed-layer CAPE
- 1196 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1228 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 286 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 7.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSTL 160407
SVRSTL
ILC001-149-160445-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1103 PM CDT TUE MAY 15 1990
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1145 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN WEST CENTRAL ILLINOIS
...ADAMS...PIKE
AT 1000 PM CDT...GOLF BALL SIZE HAIL WAS REPORTED IN HANNIBAL
IN MARION COUNTY MISSOURI. THE STORMS WERE MOVING TO THE EAST
AROUND 40 MPH.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTeORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.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, May 15, 9:35 PM CDT, 1 hour 28 minutes before
MOZ003-006-007-010-011-012-014-017-018-ILZ009-011-160330- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 935 PM CDT TUE MAY 15 1990 ...A FLASH FLOOD WATCH REMAINS POSTED FOR MOST OF MISSOURI OVERNIGHT... AT 925 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN STRETCHED FROM WELLSVILLE IN EAST CENTRAL MISSOURI TO NEAR MEREDOSIA ILLINOIS...70 MILES NORTH OF ST LOUIS. THE STORMS WERE MOVING TO THE EAST AT 40 MPH. OTHER SHOWERS EXTENDED SOUTHWESTWARD TO THE LAKE OF THE OZARKS. HAIL HAS BEEN REPORTED IN THE KIRKSVILLE MISSOURI AREA AS ANOTHER BAND OF STORMS ARE MOVING ACROSS CENTRAL MISSOURI. HEAVY RAIN AND STRONG WINDS MAY BE ASSOCIATED WITH THESE STORMS ALSO. BECAUSE OF THE HEAVY RAINS FROM EARLIER THIS AFTERNOON IN CENTRAL AND EASTERN MISSOURI PERSONS ALONG STREAMS AND RIVERS SHOULD BE ALERT TO RAPIDLY RISING WATER LEVELS AND BE PREPARED TO MOVE TO HIGHER GROUND. THE HEAVY RAINS ON TOP OF THE ALREADY SATURATED SOIL IS PRODUCING A SERIOUS THREAT FOR FLOODING...ESPECIALLY ON THE SMALL STREAMS. ALSO... MOTORISTS SHOULD BE ON THE ALERT FOR STANDING WATER IN UNDERPASSES AND OTHER LOW LYING AREAS. DYER
Special weather statement, May 15, 9:37 PM CDT, 1 hour 26 minutes before
MOZ006-009-160330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 935 PM CDT TUE MAY 16 1990 ...A TORNADO WATCH FOR PETTIS...SALINE...BENTON AND HICKORY COUNTIES UNTIL 3AM... ...A FLASH FLOOD WATCH FOR ALL OF CENTRAL MISSOURI UNTIL 11AM WEDNESDAY... AT 930PM A LINE OF STRONG THUNDERSTORMS 10 MILES WIDE EXTENDED FROM 10 MILES SOUTH OF KIRKSVILLE TO 25 MILES WEST OF SEDALIA MOVING EAST AT 40 MILES AN HOUR. THESE THUNDERSTORMS CONTAINED VERY HEAVY RAIN GUSTY WINDS...DANGEROUS LIGHTNING AND THE POSSIBILITY OF HAIL. THE THUNDERSTORMS WERE FALLING OVER AREAS THAT HAVE ALLREADY RECIEVED 2 TO 3 INCHES OF RAIN TODAY...SO FLASH FLOODING WILL BE A PROBLEM. BY 1030 PM THE LINE OF THUNDERSTORMS WILL STRETCH FROM 25 MILES SOUTHEAST OF KIRKSVILLE TO ABOUT SEDALIA. IT IS BEST TO STAY INDOORS DURING A THUNDERSTORM. DO NOT ATTEMPT TO CROSS WATER FLOWING ACROSS A LOW SPOT IN THE ROAD. LA GREE
Special weather statement, May 15, 10:13 PM CDT, 50 minutes before
MOZ003-006-007-010-011-012-014-017-018-ILZ009-011-160400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1010 PM CDT TUE MAY 15 1990 ...A FLASH FLOOD WATCH REMAINS POSTED FOR MOST OF MISSOURI INTO CENTRAL ILLINOIS OVERNIGHT... AT 1005 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN WERE IN WEST CENTRAL AND SOUTHWEST ILLINOIS IN AN AREA GENERALLY BOUNDED BY SPRINGFIELD ILLINOIS...QUINCY AND ST LOUIS. THESE STORMS COULD PRODUCE STRONG WINDS...HAIL AND VERY HEAVY RAIN AS THEY MOVE EAST AT 40 MPH. ANOTHER AREA OF THUNDERSTORMS WAS IN CENTRAL MISSOURI...JUST EAST OF THE COLUMBIA...JEFFERSON CITY AREA. THESE ALSO COULD PRODUCE STRONG WINDS...HAIL AND HEAVY RAIN AS THEY MOVE INTO EAST CENTRAL MISSOURI BY MIDNIGHT. A THIRD AREA OF THUNDERSTORMS IN MISSOURI EXTENDED FROM JUST SOUTHEAST OF KIRKSVILLE INTO WEST CENTRAL MISSOURI. SOME HAIL AND STRONG WINDS WERE REPORTED NEAR KIRKSVILLE BETWEEN 930 AND 10 PM. ALTHOUGH HEAVY RAINFALL ACROSS THE MID SECTION OF MISSOURI HAS BEEN MORE SCATTERED SO FAR TONIGHT THAN EARLIER TODAY...FLOODING WILL PERSIST IN MUCH OF THAT PART OF THE STATE OVERNIGHT...ESPECIALLY THE WEST CENTRAL SECTIONS BETWEEN KANSAS CITY AND COLUMBIA. PERSONS ALONG RIVERS AND STREAMS AND IN OTHER FLOOD PRONE AREAS SHOULD REMAIN ALERT. MCCARTHY
Special weather statement, May 15, 10:25 PM CDT, 38 minutes before
MOZ009-010-160415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 1020 PM CDT TUE MAY 16 1990 ...A TORNADO WATCH FOR PETTIS...SALINE...BENTON AND HICKORY COUNTIES UNTIL 3AM... ...A FLASH FLOOD WATCH FOR ALL OF CENTRAL MISSOURI UNTIL 11AM WEDNESDAY... A LINE OF VERY STRONG THUNDERSTORMS EXTENDED FROM 25 MILES EAST OF KIRKSVILLE NEAR BETHEL TO 25 MILES WEST OF SEDALIA. THE STRONGEST THUNDERSTORM IN THIS LINE WAS 10 MILES NORTH OF SEDALIA. ANOTHER INTENSE THUNDERSRORM WAS OCCURRING BETWEEN IN CALLAWAY COUNTY FROM JUST NORTHEAST OF JEFFERSON CITY TO 25 MILES EAST OF COLUMBIA. THE THUNDERSTORMS WILL PRODUCE HEAVY RAIN...GUSTY WIND...FREQUENT DANGEROUS LIGHTNING AND HAIL. THE THUNDERSTORMS WERE MOVING EAST AT 40 MILES AN HOUR. THE STORMS WERE PASSING OVER ALREADY SATURATED GROUND FROM PREVIOUS RAIN EARLIER TODAY...SO FLOODING WILL REMAIN A PROBLEM OVER CENTRAL MISSOURI THROUGH THE MORNING HOURS. PERSONS IN FLOOD PRONE A/REAS NEED TO REMAIN ALERT TONIGHT AND LISTEN TO NOAA WEATHER RADIO FOR THE LATEST UPDATED ON THIS THUNDERSTORM ACTIVITY LA GREE
Special weather statement, May 15, 10:29 PM CDT, 34 minutes before
MOZ009-010-160415- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE COLUMBIA MO 1020 PM CDT TUE MAY 16 1990 ...A TORNADO WATCH FOR PETTIS...SALINE...BENTON AND HICKORY COUNTIES UNTIL 3AM... ...A FLASH FLOOD WATCH FOR ALL OF CENTRAL MISSOURI UNTIL 11AM WEDNESDAY... A LINE OF VERY STRONG THUNDERSTORMS EXTENDED FROM 25 MILES EAST OF KIRKSVILLE NEAR BETHEL TO 25 MILES WEST OF SEDALIA. THE STRONGEST THUNDERSTORM IN THIS LINE WAS 10 MILES NORTH OF SEDALIA. ANOTHER INTENSE THUNDERSRORM WAS OCCURRING IN CALLAWAY COUNTY FROM JUST NORTHEAST OF JEFFERSON CITY TO 25 MILES EAST OF COLUMBIA. THE THUNDERSTORMS WILL PRODUCE HEAVY RAIN...GUSTY WIND...FREQUENT DANGEROUS LIGHTNING AND HAIL. THE THUNDERSTORMS WERE MOVING EAST AT 40 MILES AN HOUR. THE STORMS WERE PASSING OVER ALREADY SATURATED GROUND FROM PREVIOUS RAIN EARLIER TODAY...SO FLOODING WILL REMAIN A PROBLEM OVER CENTRAL MISSOURI THROUGH THE MORNING HOURS. PERSONS IN FLOO3D PRONE AREAS NEED TO REMAIN ALERT TONIGHT AND LISTEN TO NOAA WEATHER RADIO FOR THE LATEST UPDATES ON THIS THUNDERSTORM ACTIVITY. LA GREE
Special weather statement, May 15, 10:40 PM CDT, 23 minutes before
MOZ003-006-007-010-011-012-014-017-018-ILZ009-011-160430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1040 PM CDT TUE MAY 15 1990 ...A FLASH FLOOD WATCH REMAINS POSTED FOR MOST OF MISSOURI INTO CENTRAL ILLINOIS OVERNIGHT... AT 1032 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN WERE BETWEEN SEDALIA AND GLASGOW IN CENTRAL MISSOURI AND JUST NORTHEAST OF JEFFERSON CITY NEAR MOKANE MISSOURI. THESE STORMS COULD PRODUCE STRONG WINDS...HAIL AND VERY HEAVY RAIN AS THEY MOVE EAST AT 40 MPH. OTHER THUNDERSTORMS WERE COVERING MUCH OF THE NORTHEAST QUARTER OF MISSOURI INTO CENTRAL ILLINOIS. THESE ALSO COULD PRODUCE STRONG WINDS...HAIL AND HEAVY RAIN. ALTHOUGH HEAVY RAINFALL ACROSS THE MID SECTION OF MISSOURI HAS BEEN MORE SCATTERED SO FAR TONIGHT THAN EARLIER TODAY...FLOODING WILL PERSIST IN MUCH OF THAT PART OF THE STATE OVERNIGHT...ESPECIALLY THE WEST CENTRAL SECTIONS BETWEEN KANSAS CITY AND COLUMBIA. PERSONS ALONG RI?VERS AND STREAMS AND IN OTHER FLOOD PRONE AREAS SHOULD REMAIN ALERT. DYER
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 7:30 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Marion | 60 min |
| May 16, 12:13 AM CDT | Severe Thunderstorm Warning | LSX | Greene, Scott | 47 min |
| May 16, 12:13 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 47 min |
| May 16, 1:14 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey, Madison | 46 min |
| May 16, 4:45 AM CDT | Flash Flood Warning | LSX | Calhoun | 4 hr |
| May 16, 3:47 PM CDT | Flash Flood Warning | LSX | Calhoun, Jersey, Madison | 7 hr |
| May 16, 5:39 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 51 min |
| May 16, 5:52 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Washington | 53 min |
| May 16, 6:07 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 53 min |
| May 16, 6:39 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Perry | 51 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.