Alert archive / Missouri / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 45, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 16, 1990, 2:55 PM CDT for Saint Louis County, Missouri. It was in force for 50 min.
The area
The counties it named.
The facts
- Issued
- May 16, 1990, 2:55 PM CDT (19:55 UTC)
- Expired
- May 16, 1990, 3:45 PM CDT
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Saint Louis 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 12:00Z, 7.9 hours before the alert went out and 232 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 291 m²/s²
- 0-3 km storm-relative helicity
- 279 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSTL 161954
SVRSTL
MOC183-189-162045-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
255 PM CDT WED MAY 16 1990
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN EAST CENTRAL MISSOURI
...ST CHARLES ST LOUIS COUNTY
AT 245 PM...A SEVERE THUNDERSTORM WAS LOCATED NEAR MARTHASVILLE
IN WARREN COUNTY. THIS STORM WAS MOVING EAST AT 35 MPH. IT
CONTAINS LARGE HAIL...GUSTY WINDS...LIGHTNING...AND HEAVY
RAIN THAT WILL FLOOD ROADS. BETWEEN 3 AND 4PM THIS STORM WILL
MOVE ACROSS ST CHARLES COUNTY INTO ST LOUIS COUNTY.
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
FELDTWhat 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, 1:42 PM CDT, 1 hour 13 minutes before
MOZ011-012-161930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 140 PM CDT WED MAY 16 1990 ...THUNDERSTORMS CONTINUE TO BUILD ACROSS CENTRAL MISSOURI... A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MOST OF THE STATE AND A TORNADO WATCH IS IN EFFECT FOR SOUTHWEST MISSOURI. AT 130 PM...AN AREA OF THUNDERSTORMS CONTINUED TO DEVELOP ACROSS THE MIDDLE PART OF THE STATE FROM ST LOUIS TO JEFFERSON CITY. HEAVY RAIN WAS INDICATED NORTHWEST OF ROLLA...AND BETWEEN COLUMBIA AND LAKE OF THE OZARKS. THESE THUNDERSTORMS ARE MOVING ACROSS ALREADY FLOODED CREEKS AND STREAMS AND WILL RESULT IN ADDITIONAL FLOODING. THE THUNDERSTORMS ARE MOVING EAST AND WILL TEND TO MOVE INTO THE 7ST LOUIS METRO AREA BY MID OR LATE AFTERNOON INCREASING THE CHANCES FOR RAIN. FELDT
Local storm report, May 16, 1:51 PM CDT, 1 hour 4 minutes before
STORM REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 153 PM CDT WED MAY 16 1990 ..INFORMATION ON STORM REPORTS... A COMPLETE STORM REPORT WILL BE ISSUED WHEN TIME ALLOWS. GENERALLY... ALMOST EVERY COUNTCY FROM WARREN COUNTY MISSOURI TO EFFINGHAM COUNTY...ILLINOIS AND FROM MARIAN COUNTY SOUTH THROUGH JEFFERSON COUNTY RECEIVED LARGE HAIL AND/OR DAMAGING WIND. TUCKER
Special weather statement, May 16, 2:28 PM CDT, 27 minutes before
MOZ011-012-162030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 225 PM CDT WED MAY 16 1990 ...HEAVY RAIN IS FORMING AGAIN NEAR THE MISSOURI RIVER... ...MOST OF MISSOURI IS STILL UNDER A FLASH FLOOD WATCH WITH A TORNADO WATCH IN EFFECT UNTIL 800 PM CDT FOR THE SOUTHWEST QUARTER OF MISSOURI... AFTER A DELUGE OF 3 TO 6 INCHES OF RAIN FOM KANSAS CITY TO ST LOUIS ...ANOTHER BAND OF SHOWERS AND HEAVY THUNDERSTORMS HAS DEVELOPED OVER THE VERY SAME AREA EARLY THIS AFTERNOON. AT 220 PM CDT A SOLID LINE OF SHOWERS AND THUNDERSTORMS TRAILED FROM ST LOUIS WESTWARD TO HALFWAY BETWEEN KANSAS CITY AND SPRINGFIELD. A FEW OF THE STORMS WITHIN THIS AREA ARE ALREADY INTENSE AND FURTHER DEVELOPMENT IS FORECAST THROUGH THE AFTERNOON AND EVENING HOURS. DUE TO THE SATURATED STATE OF GROUND THROUGH EAST CENTRAL MISSOURI PERSONS ALONG AND WITHIN 100 MILES OF THE MISSOURI SHOULD BE VERY CAREFUL THIS AFTERNOON. WATERS CAN RISE RAPIDLY WITH LOCAL FLASH FLOODING POSSIBLE. THE SOUTHERN HALF OF MISSOURI APPEARS TO HAVE THE HIGHEST RISK FOR SEVERE THUNDERSTORM ACTIVITY THIS AFTERNOON AND TONIGHT...WHILE CENTRAL PORTIONS MAY BE MORE LIKELY FOR LOCAL DELUGES. KEEP ABREAST OF LOCA|L CONDITIONS AND LATEST FORECASTS FROM THE NATIONAL WEATHER SERVICE. PEDIGO
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, 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, 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.