Alert archive / Illinois / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 129, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Sep 9, 1992, 7:22 PM CDT for Jersey County, Illinois. It was in force for 38 min.
The area
The counties it named.
The facts
- Issued
- Sep 9, 1992, 7:22 PM CDT (00:22 UTC)
- Expired
- Sep 9, 1992, 8:00 PM CDT
- In force
- 38 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Jersey County, IL
The radar
The St Louis radar (KLSX), 51 km from the middle of the area, began a volume at 00:26 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, 0.4 hours before the alert went out and 267 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
- 2032 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1281 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 100022 SVRSTL ILC083-100100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 722 PM CDT WED SEP 9 1992 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST ILLINOIS ...JERSEY COUNTY AT 720 PM...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 30 MILES NORTHWEST OF ST LOUIS...OVER CALHOUN COUNTY ILLINOIS. THIS STORM WAS MOVING EAST AT 35 MILES AN HOUR...AND WILL BE MOVING INTO JERSEY COUNTY SHORTLY. TOWNS IN THE PATH OF THIS STORM INCLUDE JERSEYVILLE...AND GRAFTON. 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. RP/TRUETT
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 9, 4:19 PM CDT, 3 hours 3 minutes before
MOZ002-003-005-006-092215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 415 PM CDT WED SEP 9 1992 ...TORNADO WATCH NO LONGER IN EFFECT FOR PARTS OF NORTH CENTRAL AND NORTHEAST MISSOURI... THE TORNADO WATCH IS NO LONGER IN EFFECT FOR PARTS OF NORTH CENTRAL AND NORTHEAST MISSOURI. THE FOLLOWING COUNTIES HAVE BEEN CLEARED FROM THE WATCH... SCHUYLER SCOTLAND CLARK ADAIR KNOX DAVIESS GRUNDY SULLIVAN CALDWELL LIVINGSTON RAY CARROLL LINN THE CITIES OF KIRKSVILLE...MEMPHIS...AND CHILLICOTHE ARE ALSO CLEARED FROM THE WATCH. < HOWEVER...THE REST OF CENTRAL AND NORTHEAST MISSOURI REMAINS UNDER A TORNADO WATCH UNTIL 9 PM. AT 415 PM...STRONG THUNDERSTORMS CONTINUED TO DEVELOP FROM JUST NORTH OF SEDALIA TO JUST WEST OF QUINCY ILLINOIS. THE POTENTIAL FOR SEVERE WEATHER WILL REMAIN QUITE HIGH ALONG AND EAST OF THIS LINE FOR THE REMAINDER OF THE AFTERNOON...AND DURING THE EVEvNING HOURS. TRUETT
Special weather statement, Sep 9, 5:14 PM CDT, 2 hours 8 minutes before
MOZ013-015-019-100500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 510 PM CDT WED SEP 9 1992 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PORTIONS OF EXTREME SOUTHWEST AND WEST CENTRAL MISSOURI... ...A TORNADO WATCH REMAINS IN EFFECT FOR PORTIONS OF CENTRAL AND NORTHEAST MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH UNTIL MIDNIGHT FOR THE MISSOURI COUNTIES OF BATES...BARTON...JASPER ...MCDONALD...NEWTON AND VERNON IN EXTREME SOUTHWEST AND WEST CENTRAL MISSOURI. ALSO...THE TORNADO WARNING REMAINS IN EFFECT UNTIL 9 PM FOR MUCH OF CENTRAL AND NORTHEAST MISSOURI. TUCKER
Special weather statement, Sep 9, 5:41 PM CDT, 1 hour 41 minutes before
MOZALL-100100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 532 PM CDT WED SEP 9 1992 ...A TORNADO WATCH HAS BEEN ISSUED FOR PORTIONS OF SOUTHERN AND EAST CENTRAL MISSOURI UNTIL 1 AM... ...A TORNADO WATCH REMAINS IN EFFECT FOR PORTIONS OF CENTRAL AND NORTHEAST MISSOURI... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF SOUTHWEST AND WEST CENTRAL MISSOURI... A NEW TORNADO WATCH HAS BEEN ISSUED FOR MISSOURI. THIS ONE EXTENDS FROM A SMALL PORTION OF SOUTHWEST MISSOURI THROUGH EAST CENTRAL MISSOURI. THIS WATCH INCLUDES THE SPRINGFIELD...ROLLA AND ST LOUIS AREA AND IS IN EFFECT UNTIL 1 AM. THE TORNADO WATCH FOR CENTRAL AND NORTHEAST MISSOURI REMAINS IN EFFECT UNTIL 9 PM. THE SEVERE THUNDERSTORM WATCH FOR EXTREME SOUTHWEST AND PORTIONS OF WEST CENTRAL MISSOURI REMAINS IN EFFECT UNTIL MIDNIGHT. TUCKER
Special weather statement, Sep 9, 6:06 PM CDT, 1 hour 16 minutes before
MOZALL-100100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 555 PM CDT WED SEP 9 1992 ...PORTIONS OF TORNADO WATCH NUMBER 830 HAS BEEN CLEARED... ...TORNADO WATCHES REMAIN IN EFFECT FOR MUCH OF SOUTHERN...CENTRAL AND EAST CENTRAL MISSOURI... ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF SOUTHWEST AND WEST CENTRAL MISSOURI... THE NATIONAL WEATHER SERVICE HAS CLEARED THAT PORTION OF TORNADO WATCH NUMBER 830 NORTH AND WEST OF THE COLUMBIA AREA. THIS INCLUDES ZONES 6 AND 9...INCLUDING THE COUNTIES OF MACON...CHARITON...RANDOLPH... LAFAYETTE...SALINE...JOHNSON AND PETTIS. THIS INCLUDES THE CITY OF SEDALIA. THE REST OF TORNADO WATCH NUMBER 830 REMAINS IN EFFECT UNTIL 9 PM. TORNADO WATCH NUMBER 835...FROM SOUTHWEST THROUGH EAST CENTRAL MISSOURI REMAINS IN EFFECT UNTIL 1 AM. SEVERE THUNDERSTORM WATCH FOR EXTREME SOUTHWEST AND PORTIONS OF WEST CENTRAL MISSOURI REMAINS IN EFFECT UNTIL MIDNIGHT. TUCKdER
Special weather statement, Sep 9, 6:16 PM CDT, 1 hour 6 minutes before
MOZ011-012-100115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 616 PM CDT WED SEP 9 1992 ...STRONG THUNDERSTORMS MOVING INTO EAST CENTRAL MISSOURI AND SOUTHWEST ILLINOIS...AND THE ST LOUIS METRO AREA... AT 610 PM...WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF INTENSE THUNDERSTORMS FROM CENTRAL ILLINOIS TO CENTRAL MISSOURI...FROM JUST NORTHWEST OF SPRINGFIELD ILLINOIS TO JUST SOUTH OF COLUMBIA MISSOURI. THIS LINE OF STORMS WAS DROPPING SOUTHEAST AT 40 MILES AN HOUR. AT THIS MOVEMENT...STORMS SHOULD BEGIN TO AFFECT NORTHERN SECTIONS OF THE ST LOUIS METRO AREA BY 7 PM...AND SHOULD REACH THE CITY OF ST LOUIS BY 730 PM. A TORNADO WATCH IS IN EFFECT FOR THE ST LOUIS METRO AREA...AS WELL AS ALL OF EAST CENTRAL MISSOURI AND SOUTHWEST ILLINOIS. PEOPLE SHOULD CAREFULLY KEEP ABREAST OF WEATHER DEVELOPMENTS ACROSS THE BI-STATE AREA AS THESE STORMS APPROACH. ALONG WITH THE THREAT OF LARGE HAIL AND DAMAGING WINDS...THESE STORMS WILL BE PRODUCING TORRENTIAL RAINS. TRUETT
Special weather statement, Sep 9, 7:01 PM CDT, 21 minutes before
MOZ012-100200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 700 PM CDT WED SEP 9 1992 ...STRONG THUNDERSTORMS CONTINUE TO MOVE INTO THE ST LOUIS METRO AREA... AT 7PM...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A LINE OF STRONG THUNDERSTORMS OVER EAST CENTRAL MISSOURI AND SOUTHWEST ILLINOIS. THE LINE EXTENDED FROM JUST SOUTH OF SPRINGFIELD ILLINOIS TO 30 MILES NORTH OF ST LOUIS...TO 50 MILES WEST OF ST LOUIS. THIS LINE OF STORMS WAS STILL DROPPING SOUTHEAST AT 40 MILES AN HOUR... AND WILL BE AFFECTING MUCH OF THE ST LOUIS METRO AREA BETWEEN 715 AND 815 PM THIS EVENING. A TORNADO WATCH REMAINS IN EFFECT FOR THE ST LOUIS METRO AREA...AS WELL AS ALL OF EAST CENTRAL MISSOURI AND SOUTHWEST ILLINOIS. PEOPLE SHOULD CAREFULLY KEEP ABREAST OF WEATHER DEVELOPMENTS ACROSS THE BI-STATE AREA OVER THE NEXT FEW HOURS. SOME OF THE STORMS IN THIS LINE HAVE BEEN PRODUCING LARGE HAIL AND DAMAGING WINDS TO THE NORTH AND WEST OF ST LOUIS. ALONG WITH THE THREAT OF LARGE HAIL AND DAMAGING WINDS...THESE STORMS WILL BE PRODUCING TORRENTIAL RAINS WHICH COULD FLOOD SOME STREETS AND OTHER LOW LYING AREAS. TRUETT
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 7:05 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 55 min |
| Sep 9, 7:36 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 54 min |
| Sep 9, 8:51 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 54 min |
| Sep 9, 8:59 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 61 min |
| Sep 9, 9:17 PM CDT | Severe Thunderstorm Warning | LSX | Perry, Washington | 43 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 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.