Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 37, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 16, 1990, 12:13 AM CDT for Greene County, Scott County, Illinois. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- May 16, 1990, 12:13 AM CDT (05:13 UTC)
- Expired
- May 16, 1990, 1:00 AM CDT
- In force
- 47 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Greene County, IL, Scott 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, 5.2 hours before the alert went out and 310 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 160519
SVRSTL
ILC013-061-171-160600-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1213 AM CDT WED MAY 16 1990
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 100 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTHWEST ILLINOIS
...CALHOUN...GREENE
IN WEST CENTRAL ILLINOIS
...SCOTT
AT 1210 AM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
THAT EXTENDED FROM NEAR WINCHESTER IN SCOTT COUNTY...TO NORTHERN
CALHOUN COUNTY OF ILLINOIS.
THESE STORMS WERE MOVING TO THE EAST NORTHEAST AROUND 35 MPH.
KAMPSVILL...IN CALHOUN COUNTY...IS ABOUT 40 MILES NORTH OF HST
LOUIS.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.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, 9:37 PM CDT, 2 hours 36 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, 2 hours 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, 1 hour 48 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, 1 hour 44 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, 1 hour 33 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
Special weather statement, May 15, 11:38 PM CDT, 35 minutes before
MOZ003-006-007-010-011-012-014-017-018-ILZ009-011-160530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1140 PM CDT TUE MAY 15 1990 ...A FLASH FLOOD WATCH REMAINS POSTED FOR MOST OF MISSOURI INTO CENTRAL ILLINOIS OVERNIGHT... AT 1129 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN STRETCHED FROM JUST SOUTHWEST OF COLUMBIA MISSOURI TO QUINCY TO SPRINGFIELD ILLINOIS ...ALSO NEAR TROY MISSOURI. THESE STORMS COULD PRODUCE STRONG WINDS AND HAIL ALONG WITH THE VERY HEAVY RAIN AS THEY MOVE EAST AT 40 MPH. OTHER THUNDERSTORMS WERE COVERING MUCH OF NORTHERN MISSOURI INTO CENTRAL ILLINOIS. THESE ALSO COULD PRODUCE STRONG WINDS...HAIL AND HEAVY RAIN. THE HEAVY RAINFALL ACROSS THE MID SECTION OF MISSOURI THIS EVENING ALONG WITH THE RAIN EARLIER THIS AFTERNOON HAS PRODUCED A SERIOUS FLOOD SITUATION. PERSON ALONG STREAMS AND RIVERS SHOULD BE ON THE ALERT FOR RAPIDLY RISING WATER LEVELS AND BE PREPARED TO MOVE TO HIGHER GROUND QUICKLY. TAKE PRECAUTIONARY MEASURES FOR A POSSIBLE EMERGENCY DURING THE MIDDLE OF THE NIGHT. 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 15, 11:03 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Pike | 42 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.