Alert archive / Missouri / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 9, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 3, 1989, 12:52 PM CDT for Jefferson County, Saint Louis County, City of Saint Louis, Missouri. It was in force for 68 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
- Apr 3, 1989, 12:52 PM CDT (17:52 UTC)
- Expired
- Apr 3, 1989, 2:00 PM CDT
- In force
- 68 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties City of Saint Louis, MO, Jefferson County, MO, 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 3, 1:15 PM CDT | Hail 1.75 | St. Louis, MO | |
| Apr 3, 1:25 PM CDT | Hail 1.75 | Jefferson, 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 12:00Z, 5.9 hours before the alert went out and 219 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
- 55 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 556 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 171 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSTL 031752
SVRSTL
MOC099-189-510-031900-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1252 PM CDT MON APR 3 1989
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 200 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN EAST CENTRAL MISSOURI
...NORTHERN JEFFERSON...ST LOUIS...ST LOUIS CITY
THE RADAR INDICATED THAT THE SEVERE THUNDERSTORM WAS BETWEEN UNION
AND PACIFIC MISSOURI AT 1250 PM AND WAS MOVING EAST NORTHEAST AT AT
40 MPH. THIS STORM PRODUCED HAIL TO 3/4 INCH DIAMETER AT UNION
MISSOURI. THIS STORM WAS LOCATED ABOUT 30 MILES TO THE WEST SOUTHWEST
OF ST LOUIS. THE STORM HAS A HISTORY OF HAIL AND WILL CONTINUE TO
PRODUCE HAIL IN JEFFERSON...ST LOUIS COUNTY AND ST LOUIS CITY.
TUC KER
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPH|ONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.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, Apr 3, 11:41 AM CDT, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ST LOUIS MO 1135 AM CDT MON APR 3 1989 A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 4PM THIS AFTERNOON FROM SOUTHWEST MISSOURI THROUGH EAST CENTRAL MISSOURI. AT 1133 AM CDT...SCATTERED THUNDERSTORMS WERE IN CENTRAL MISSOURI BETWEEN COLUMBIA AND JEFFERSON CITY...MOVING TO THE NORTHEAST AT 40 MILES AN HOUR. PEA SIZE AND MARBLE SIZE HAIL WERE REPORTED WITH THESE STORMS. LIGHT RAIN WAS IN NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS...MOVING TO THE NORTHEAST AT 30 MILES AN HOUR. WIPFLER
Special weather statement, Apr 3, 12:00 PM CDT, 52 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 12 PM CDT MON APR 3 1989 ...SEVERE THUNDERSTORM WATCH FOR CENTRAL MISSOURI UNTIL 4PM... ...VERY STRONG THUNDERSTORMS CONTINUE IN CENTRAL MISSOURI... AT 1156 AM CDT VERY STRONG THUNDERSTORMS CAPABLE OF PRODUCING PEA TO MARBLE SIZE HAIL...DANGEROUS LIGHTNING...AND WIND GUSTS TO 50 MPH WERE LOCATED IN CENTRAL MISSOURI FROM 20 MILES WEST OF JEFFERSON CITY NEAR CALIFORNIA TO 35 MILES SOUTHEAST OF JEFFERSON CITY NEAR OWENSVILLE. MARBLE SIZE HAIL WAS REPORTED AT LINN IN OSAGE COUNTY AT 1150 AM. THE STRONGEST STORMS WERE LOCATED JUST WEST OF OWENSVILLE AMD JUST EAST OF LINN...20 MILES SOUTHEAST OF JEFFERSON CITY. THE STORMS WERE MOVING EAST AT 40 MPH. RESIDENTS OF OSAGE AND GASCONADE COUNTY SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND BE PREPARED TO SEEK COVER IN A WINDOWLESS INTERIOR ROOM OR BASEMENT. HAGEMEYER
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 12:10 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 50 min |
| Apr 3, 12:41 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Warren | 64 min |
| Apr 3, 1:42 PM CDT | Severe Thunderstorm Warning | LSX | Perry, Sainte Genevieve | 48 min |
| Apr 3, 3:07 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Saint Charles, Saint Louis | 38 min |
| Apr 3, 3:57 PM CDT | Severe Thunderstorm Warning | LSX | Reynolds | 43 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1989Every severe thunderstorm warning in 1989
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.