Alert archive / Illinois / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 40, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 16, 1990, 1:14 AM CDT for Calhoun County, Jersey County, Madison County, Illinois; Saint Charles County, Missouri. It was in force for 46 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 16, 1990, 1:14 AM CDT (06:14 UTC)
- Expired
- May 16, 1990, 2:00 AM CDT
- In force
- 46 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Calhoun County, IL, Jersey County, IL, Madison County, IL, Saint Charles County, MO
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 16, 1:18 AM CDT | Hail 1 | Jersey, IL | |
| May 16, 1:25 AM CDT | Hail 0.75 | St. Charles, MO |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 6.2 hours before the alert went out and 258 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 160620
SVRSTL
ILC013-083-119-MOC183-160700-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
114 AM CDT WED MAY 16 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 SOUTHWEST ILLINOIS
...CALHOUN...JERSEY...MADISON
IN EAST CENTRAL MISSOURI
...ST CHARLES
AT 115 PM...CDT...A LINE OF SEVERE THUNDERSTORMS EXTENDED FROM 25
MILES NORTHWEST TO 20 MILES NORTH OF ST LOUIS. THE STORMS WERE MOVING
EAST AT 35 MPH.
AT 1245...HAIL TO 1 INCH DIAMETER WAS REPORTED IN LINCOLN
COUNTY...MISSOURI...NEAR TROY ABOUT 45 MILES NORTHWEST OF ST 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.
TUCKERWhat 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, 11:38 PM CDT, 1 hour 36 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
Special weather statement, May 16, 12:40 AM CDT, 34 minutes before
MOZ010-011-012-014-017-018-IL009-011-160630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1230 AM CDT WED MAY 9 1990 ...TORNADO WATCH IS IN EFFECT UNTIL 500 AM CDT WEDNESDAY MORNING FOR PORTIONS OF CENTRAL AND EAST CENTRAL MISSOURI INTO CENTRAL ILLINOIS... SEVERE THUNDERSTORM WARNINGS REMAIN IN EFFECT UNTIL 100 AM FOR THE ILLINOIS COUNTIES OF CALHOUN...GREENE...AND SCOTT COUNTIES OF SOUTHWEST ILLINOIS. AT 1230 AM...NO REPORTS aOF SEVERE WEATHER HAVE BEEN RECEIVED AT THE NATIONAL WEATHER SERVICE. PERSONS IN SOUTHWEST ILLINOIS AND EAST CENTRAL MISSOURI SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE WEATHER OVERNIGHT.
Special weather statement, May 16, 12:41 AM CDT, 33 minutes before
MOZ010-011-012-014-017-018-IL009-011-160630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1230 AM CDT WED MAY 9 1990 ...TORNADO WATCH IS IN EFFECT UNTIL 500 AM CDT WEDNESDAY MORNING FOR PORTIONS OF CENTRAL AND EAST CENTRAL MISSOURI INTO CENTRAL ILLINOIS... SEVERE THUNDERSTORM WARNINGS REMAIN IN EFFECT UNTIL 100 AM FOR THE ILLINOIS COUNTIES OF CALHOUN...GREENE...AND SCOTT COUNTIES OF SOUTHWEST ILLINOIS. AT 1230 AM...NO REPORTS dOF SEVERE WEATHER HAVE BEEN RECEIVED AT THE NATIONAL WEATHER SERVICE. PERSONS IN SOUTHWEST ILLINOIS AND EAST CENTRAL MISSOURI SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE WEATHER OVERNIGHT.
Special weather statement, May 16, 12:45 AM CDT, 29 minutes before
MOZALL-160630- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 1235 AM CDT WED MAY 16 1990 ...A TORNADO WATCH IS IN EFFECT FROM CENTRAL MISSOURI TO CENTRAL ILLINOIS UNTIL 5 AM CDT WEDNESDAY.... ...A FLASH FLOOD WATCH REMAINS POSTED FOR MOST OF MISSOURI INTO CENTRAL ILLINOIS UNTIL 1 AM CDT WEDNESDAY... AT 1227 AM CDT...INTENSE THUNDERSTORMS WERE OCCURRING FROM CENTRAL MISSOURI INTO SOUTHWEST ILLINOIS. THIS BAND OF STORMS STRETCHED FROM NEAR COLUMBIA MISSOURI TO 30 MILES WEST OF SPRINGFIELD ILLINOIS. THEY COULD PRODUCE DAMAGING WINDS...LARGE HAIL AS WELL AS TORRENTIAL RAINS THAT MAY CAUSE SOME FLOODING. THE STORMS WERE MOVING TO THE EAST AT 40 MILES AN HOUR. OTHER THUNDERSTORMS WERE COVERING MUCH OF THE NORTH HALF OF MISSOURI AND ACROSS CENTRAL ILLINOIS. LIGHTER SHOWERS WERE OVER SOUTHEAST MISSOURI AND SOUTHERN ILLINOIS. PERSONS IN THE VICINITY OF THE STORNGER STORMS SHOULD BE ON THE LOOKOUT FnOR ANY SEVERE WEATHER AND POSSIBLE FLOODING SITUATIONS. DH
Special weather statement, May 16, 12:51 AM CDT, 23 minutes before
MOZALL-160630- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION... NATIONAL WEATHER SERVICE ST LOUIS MO 1235 AM CDT WED MAY 16 1990 ...A TORNADO WATCH IS IN EFFECT FROM CENTRAL MISSOURI TO CENTRAL ILLINOIS UNTIL 5 AM CDT WEDNESDAY.... ...A FLASH FLOOD WATCH REMAINS POSTED FOR MOST OF MISSOURI INTO CENTRAL ILLINOIS UNTIL 11 AM CDT WEDNESDAY... AT 1227 AM CDT...INTENSE THUNDERSTORMS WERE OCCURRING FROM CENTRAL MISSOURI INTO SOUTHWEST ILLINOIS. THIS BAND OF STORMS STRETCHED FROM NEAR COLUMBIA MISSOURI TO 30 MILES WEST OF SPRINGFIELD ILLINOIS. THEY COULD PRODUCE DAMAGING WINDS...LARGE HAIL AS WELL AS TORRENTIAL RAINS THAT MAY CAUSE SOME FLOODING. THE STORMS WERE MOVING TO THE EAST AT 40 MILES AN HOUR. OTHER THUNDERSTORMS WERE COVERING MUCH OF THE NORTH HALF OF MISSOURI AND ACROSS CENTRAL ILLINOIS. LIGHTER SHOWERS WERE OVER SOUTHEAST MISSOURI AND SOUTHERN ILLINOIS. PERSONS IN THE VICINITY OF THE STORNGER STORMS SHOULDt BE ON THE LOOKOUT FOR ANY SEVERE WEATHER AND POSSIBLE FLOODING SITUATIONS. DH
Special weather statement, May 16, 1:11 AM CDT, 3 minutes before
MOZ009-010-011-013-014-160700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 110 AM CDT WED MAY 16 1990 ...STRONG THUNDERSTORMS WERE ACROSS MID-MISSOURI AT 1 AM... AT 1 AM STRONG THUNDERSTORMS WERE IN A LINE FROM 5 MILES SOUTH OF SEDALIA THROUGH JEFFERSON CITY TO HERMANN. HAIL AND STRONG WINDS MAY ACCOMPANY THESE STORMS. OTHER THUNDERSTORMS WERE NORTH OF THIS LINE. ALL OF THE STORMS WILL PRODUCE VERY HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING AS THEY MOVE EAST AT 40 MILES AN HOUR. IF LIGHTNING IS OCCURRING IN YOUR AREA...STAY INSIDE A BUILDING OR CAR. IF YOU ARE DRIVING...SLOW DOWN AND WATCH FOR FLOODED SPOTS IN THE ROAD. DO NOT CROSS WHERE WATER IS FLOWING OVER THE ROADWAY. IF STRONG WINDS OR HAIL ARE OCCURRING WHERE YOU ARE...GET INSIDE A STRONG BUILDING AND STAY THERE UNTIL THE STORM HAS PASSED. GOEBEL
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 | Greene, Scott | 47 min |
| May 16, 12:13 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 47 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 |
| May 15, 11:05 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Ralls | 25 min |
| May 15, 11:35 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 40 min |
| May 15, 11:51 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 54 min |
| May 16, 1:02 AM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Warren | 43 min |
| May 16, 3:33 AM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 27 min |
| May 16, 4:08 AM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 37 min |
| May 16, 4:45 AM CDT | Flash Flood Warning | LSX | Lincoln, Saint Charles, Warren | 4 hr |
| May 16, 2:26 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Warren | 43 min |
| May 16, 2:55 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 14 min |
| May 16, 2:55 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 50 min |
| May 16, 3:47 PM CDT | Flash Flood Warning | LSX | Lincoln, Warren | 7 hr |
| May 16, 3:47 PM CDT | Flash Flood Warning | LSX | Franklin, Saint Louis | 7 hr |
| May 16, 3:47 PM CDT | Flash Flood Warning | LSX | City of Saint Louis | 7 hr |
| May 16, 4:54 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Phelps | 36 min |
| May 16, 4:56 PM CDT | Tornado Warning | LSX | Saint Louis | 22 min |
| May 16, 5:09 PM CDT | Severe Thunderstorm Warning | LSX | City of Saint Louis | 51 min |
| May 16, 5:23 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson, Saint Louis | 52 min |
| May 16, 5:23 PM CDT | Severe Thunderstorm Warning | LSX | City of Saint Louis | 52 min |
| May 16, 5:29 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Washington | 61 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1990Severe Thunderstorm Warnings in Missouri, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.