Alert archive / Missouri / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 41, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 16, 1990, 3:33 AM CDT for Jefferson County, Missouri. It was in force for 27 min.
The area
The counties it named.
The facts
- Issued
- May 16, 1990, 3:33 AM CDT (08:33 UTC)
- Expired
- May 16, 1990, 4:00 AM CDT
- In force
- 27 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Jefferson County, MO
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, 8.6 hours before the alert went out and 209 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 160837
SVRSTL
MOC099-160900-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
333 AM CDT WED MAY 16 1990
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN EAST CENTRAL MISSOURI
...SOUTHERN JEFFERSON
AT 335 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM JUST WEST OF DE
SOTO OR ABOUT 40 MILES SOUTHWEST OF ST LOUIS. THIS STORM IS MOVING TO
THE EAST 40 MPH.
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.
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, May 16, 12:51 AM CDT, 2 hours 42 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, 2 hours 22 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
Special weather statement, May 16, 2:21 AM CDT, 1 hour 12 minutes before
MOZ009-010-011-013-014-160800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 220 AM CDT WED MAY 16 1990 ...THUNDERSTORMS HAVE DEVELOPED IN WEST PART OF CENTRAL MISSOURI... STRONG THUNDERSTORMS HAVE RAPIDLY DEVELOPED OVER WESTERN SECTIONS OF CENTRAL MISSOURI. AT 215 AM THE STORMS WERE IN A LINE FROM 10 MILES NORTH OF COLUMBIA TO JUST WEST OF SEDALIA. HAIL AND STRONG WINDS MAY ACCOMPANY THESE STORMS. IF YOU ARE IN PETTIS...HOWARD...COOPER OR BOONE COUNTY STAY INDOORS IF POSSIBLE UNTIL THE STORMS HAVE PASSED. THUNDERSTORMS WITH HEAVY RAIN AND FREQUENT LIGHTNING WERE OVER OSAGE COUNTY AND WILL BE MOVING THROUGH GASCONADE COUNTY BEFORE 3 AM. ALL OF THE STORMS IN CENTRAL 2MISSOURI WERE MOVING EAST AT 40 MILES AN HOUR. A TORNADO WATCH AND A FLASH FLOOD WATCH CONTINUE OVER ALL OF THIS AREA. SLOW DOWN IF YOU ARE DRIVING AND DO NOT CROSS FLOODED ROADS. GOEBEL
Special weather statement, May 16, 2:44 AM CDT, 49 minutes before
MOZALL-160830- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 240 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 228 AM CDT...STRONG THUNDERSTORMS WERE OCCURRING FROM EAST CENTRAL MISSOURI INTO SOUTHERN ILLINOIS. THIS BAND OF STORMS STRETCHED FROM 50 MILES SOUTHWEST OF ST LOUIS TO NEAR MATTOON IN EAST CENTRAL ILLINOIS. THESE STORMS HAVE A HISTORY OF STRONG GUSTY WINDS...TORRENTIAL DOWNPOURS...AND HAIL. FLOODING MAY RESULT FROM THE STORMS IN STREETS AND LOW AREAS AS THEY MOVE TO THE EAST AT 40 MILES AN HOUR. OTHER THUNDERSTORMS AND SHOWERS WERE IN A LARGE AREA FROM CENTRAL MISSOURI ACROSS MUCH OF THE SOUTHERN TWO-THIRDS OF ILLINOIS. PERSONS IN THE VICINITY OF THE STORNGER STORMS SHOULD BE ON THE LOOKOUTR FOR ANY SEVERE WEATHER AND POSSIBLE FLOODING SITUATIONS. DH
Special weather statement, May 16, 3:11 AM CDT, 22 minutes before
MOZ009-010-011-013-014-160900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 310 AM CDT WED MAY 16 1990 ...STRONG THUNDERSTORMS WERE IN AUDRAIN AND BOONE COUNTIES AT 3 AM... THUNDERSTORMS WITH TORRENTIAL RAIN AND INCESSANT LIGHTNING WERE OVER AUDRAIN AND BOONE COUNTIES...INCLUDING THE CITY OF COLUMBIA AT 3 AM. HAIL AND STRONG WINDS MAY ALSO ACCOMPANY THESE STORMS. IF YOU ARE IN AUDRAIN...BOONE OR CALLAWAY COUNTY STAY INDOORS IF POSSIBLE UNTIL THE STORMS HAVE PASSED. THE STORMS WERE MOVING EAST AT 40 MILES AN HOUR. SHOWERS AND A FEW THUNDERSTORMS WERE OVER WESTERN SECTIONS OF CENTRAL MISSOURI AROUND SEDALIA AND THE TRUMAN RESERVOIR AT 3 AM...MOVING EAST. A TORNADO WATC|H AND A FLASH FLOOD WATCH CONTINUE OVER ALL OF THIS AREA. SLOW DOWN IF DRIVING IN MID-MISSOURI AND DO NOT CROSS FLOODED ROADS. GOEBEL
Special weather statement, May 16, 3:13 AM CDT, 20 minutes before
MOZALL-ILZ009>012-160830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 305 AM CDT WED MAY 16 1990 ...A TORNADO WATCH IS IN EFFECT FROM CENTRAL MISSOURI TO CENTRAL ILLINOIS UNTIL 5 AM.... ...A FLASH FLOOD WATCH REMAINS POSTED FOR MOST OF MISSOURI INTO CENTRAL ILLINOIS UNTIL 11 AM CDT WEDNESDAY... AT 3 AM THUNDERSTORMS WITH VERY HEAVY RAIN...STRONG WINDS AND SOME HAIL EXTENDED ACROSS SOUTHERN ILLINOIS INTO EAST CENTRAL MISSOURI...FROM 20 MILES EAST OF EFFINGHAM ILLINOIS TO AROUND CENTRALIA ILLINOIS TO 30 MILES SOUTH OF ST LOUIS...AND 50 MILES SOUTHWEST OF ST LOUIS. WIND DAMAGE WAS REPORTED TO A HOME JUST NORTHWEST OF EFFINGHAM ILLINOIS AS ONE OF THESE STORMS MOVED THROUGH THAT AREA AROUND 230 AM. ANOTHER REPORT OF WIND DAMAGE WAS RECEIVED FROM NEAR DIETERICH ILLINOIS IN EFFINGHAM COUNTY JUST BEFORE 3 AM. GOLF BALL SIZE HAIL WAS REPORTED AT EDWARDSVILLE ILLINOIS...20 MILES NORTHEAST OF ST LOUIS JUST BEFORE 2 AM. THE STORMS WERE MOVING TO THE EAST SOUTHEAST AT 40 MPH...PUSHING FARTHER INTO SOUTHEAST AND SOUTHERN ILLINOIS AND THE COUNTIES JUST SOUTH OF ST LOUIS. ANOTHER AREA OF THUNDERSTORMS WITH STRONG WINDS...VERY HEAVY RAIN AND POSSIBLY HAIL WAS IN CENTRAL MISSOURI...EXTENDING INTO THE SOUTHWEST PART OF THE STATE. IN CENTRAL MISSOURI THE STRONGEST STORMS EXTENDED FROM NEAR VANDALIA MISSOURI...50 MILES NORTHEAST OF COLUMBIA THROUGH THE CITY OF COLUMBIA. THESE STORMS WERE MOVING EAST AT 40 MPH. MCCARTHY
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 1:14 AM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 46 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 | Saint Charles | 7 hr |
| 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 |
| May 16, 6:07 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve, Saint Francois | 53 min |
Nearby
Severe 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; the sounding from the Mesonet's radiosonde archive.