Alert archive / Missouri / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 114, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Sep 7, 1992, 10:54 PM CDT for Jefferson County, Missouri. It was in force for 66 min.
The area
The counties it named.
The facts
- Issued
- Sep 7, 1992, 10:54 PM CDT (03:54 UTC)
- Expired
- Sep 8, 1992, 12:00 AM CDT
- In force
- 66 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Jefferson County, MO
The radar
The St Louis radar (KLSX), 50 km from the middle of the area, began a volume at 03:54 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 3.9 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
- 1069 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 1479 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 080355 SVRSTL MOC099-080500- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1054 PM CDT MON SEP 7 1992 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL MIDNIGHT CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...JEFFERSON COUNTY AT 1052 PM...NWS DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ALONG THE FRANKLIN AND JEFFERSON COUNTY LINE...ABOUT 30 MILES SOUTHWEST OF ST LOUIS. THIS STORM WAS MOVING TO THE EAST AT 30 MPH. THIS STORM WILL EFFECT THE CITIES OF HOUSE SPRINGS...HILLSBORO.... DE SOTO...AND FESTUS. 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. FG
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, Sep 7, 7:50 PM CDT, 3 hours 4 minutes before
MOZ005-008>011-013-014-017-080145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 748 PM CDT MON SEP 7 1992 ...PART OF TORNADO WATCH #819 HAS BEEN CANCELLED... A SECTION OF THE TORNADO WATCH FOR A LARGE PART OF CENTRAL MISSOURI HAS BEEN CANCELLED. THE WATCH IS NO LONGER IN EFFECT FOR THE KANSAS CITY AREA OR COUNTIES JUST NORTHEAST OF THERE. THE THREAT OF SEVERE WEATHER HAS SHIFTED SOUTHEAST OF THIS AREA. RESIDENTS OF CENTRAL MISSOURI SHOULD REMAIN ALERT FOR THREATENING WEATHER THOUGH. THE REMAINDER OF THE TORNADO WATCH IS IN EFFECT AND CONDITIONS EXIST FAVORABLE FOR TORNADO DEVELOPMENT. LISTEN TO NOAA WEATHER RADIO FOR FURTHER UPDATES. SHEA
Special weather statement, Sep 7, 8:22 PM CDT, 2 hours 32 minutes before
MOZ007-011-012-018-ILZ011-080215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 821 PM CDT MON SEP 7 1992 ...A NEW TORNADO WATCH HAS BEEN ISSUED FOR EASTERN MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR PARTS OF EASTERN MISSOURI UNTIL 200 AM. TORNADO WATCH #821 HAS BEEN ISSED AND INCLUDES THE ENTIRE ST.LOUIS METROPOLITAN. THUNDERSTORMS WILL MOVE THIS DIRECTION FROM CENTRAL MISSOURI AND MAY PRODUCE TORNADOES. FRANKLIN...WARREN AND LINCOLN COUNTIES IN MISSOURI THAT WERE IN TORNADO WATCH #819 HAVE BEEN ADDED TO THE NEW TORNADO WATCH. IF A TORNADO WARNING IS ISSUED...TAKE COVER AT ONCE. STAY AWAY FROM WINDOWS AND MOVE TO A SAFE LOCATION IN YOUR HOME. BASEMENTS OR INTERIOR ROOMS ARE SAFEST. KEEP INFORMED OF DEVELOPING WEATHER THIS EVENING AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SHEA
Special weather statement, Sep 7, 8:49 PM CDT, 2 hours 5 minutes before
MOZ003-005-006-009-010-080245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 849 PM CDT MON SEP 7 1992 ...PART OF TORNADO WATCH #819 HAS BEEN CANCELLED... A SECTION OF THE TORNADO WATCH FOR CENTRAL MISSOURI HAS BEEN CANCELLED. THE WATCH IS NO LONGER IN EFFECT FOR THE MACON AREA. THE COUNTIES OF LINN...MACON...CHARITON AND RANDOLPH ARE NO LONGER IN A TORNADO WATCH. RESIDENTS OF CENTRAL MISSOURI SHOULD REMAIN ALERT FOR THREATENING WEATHER THOUGH. THE REMAINDER OF THE TORNADO WATCH IS IN EFFECT AND CONDITIONS EXIST FAVORABLE FOR TORNADO DEVELOPMENT. LISTEN TO NOAA WEATHER RADIO FOR FURTHER UPDATES. SHEA
Special weather statement, Sep 7, 9:40 PM CDT, 1 hour 14 minutes before
MOZ009-010-013>017-019-020-080400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 938 PM CDT MON SEP 7 1992 ...A NEW SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PARTS OF SOUTHERN AND CENTRAL MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PARTS OF SOUTHERN AND CENTRAL MISSOURI. SEVERE THUNDERSTORM WATCH NUMBER 822 IS IN EFFECT UNTIL 200 AM AND INCLUDES THE CITIES OF COLUMBIA...JEFFERSON CITY...SPRINGFIELD...JOPLIN...ROLLA AND SEDALIA. THIS NEW WATCH REPLACES TORNADO WATCH #819 THAT WAS IN EFFECT FOR CENTRAL MISSOURI. RESIDENTS OF CENTRAL AND SOUTHERN MISSOURI SHOULD REMAIN ALERT FOR SEVERE WEATHER. AN APPROACHING COLD FRONT WILLD CONTINUE TO TRIGGER THUNDERSTORMS OVERNIGHT...SOME OF WHICH WILL PRODUCE LARGE HAIL... DAMAGING WIND AND DEADLY LIGHTNING. SHEA
Special weather statement, Sep 7, 10:03 PM CDT, 51 minutes before
MOZ011-012-080400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1003 PM CDT MON SEP 7 1992 ...SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR ST CHARLES COUNTY UNTIL 1030 PM CDT... ...SEVERE THUNDERSTORM WARNING FOR LINCOLN AND WARREN COUNTIES HAS EXPIRED... AT 1005 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM OVER NORTHWEST ST CHARLES COUNTY. WINDS WERE ESTIMATED AT 40 TO 50 MPH AT MID RIVERS MALLd IN ST PETERS. AT 940 PM...LINCOLN COUNTY SHERIFF REPORTED POWER LINES AND TREES DOWN AT TROY WITH WINDS ESTIMATED AT 60 MPH.
Special weather statement, Sep 7, 10:49 PM CDT, 5 minutes before
MOZ011-012-080400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1045 PM CDT MON SEP 7 1992 ...SEVERE THUNDERSTORM WATCH IS CANCELLED FOR A PORTION OF WEST CENTRAL AND CENTRAL MISSOURI... THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THE JEFFERSON CITY AREA AND FOR SEDALIA. THE THREAT OF SEVERE THUNDERSTORMS HAS MOVED TO THE SOUTH OF THIS AREA.
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 9:14 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Warren | 46 min |
| Sep 7, 9:30 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 60 min |
| Sep 7, 10:02 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 58 min |
| Sep 7, 10:06 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 54 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1992Every severe thunderstorm warning in 1992
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; radar from the NEXRAD Level II archive.