Alert archive / Illinois / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 134, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Sep 21, 1992, 12:28 AM CDT for Monroe County, Saint Clair County, Illinois. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- Sep 21, 1992, 12:28 AM CDT (05:28 UTC)
- Expired
- Sep 21, 1992, 1:15 AM CDT
- In force
- 47 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Monroe County, IL, Saint Clair County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 5.5 hours before the alert went out and 188 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
- 44 kt
- 0-1 km storm-relative helicity
- 232 m²/s²
- 0-3 km storm-relative helicity
- 319 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 210530 SVRSTL ILC133-163-210615- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1228 AM CDT MON SEP 21 1992 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 115 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ILLINOIS ...SOUTHEASTERN MONROE COUNTY...SOUTHERN ST CLAIR COUNTY AT 1225 AM CDT...NATIONAL WEATHER SERVICE DOPPLER INDICATED SEVERE THUNDERSTORMS OVER SOUTHEAST MONROE COUNTY AND SOUTHERN ST CLAIR COUNTY ILLINOIS...OR ABOUT 40 MILE SOUTHEAST OF DOWNTOWN ST LOUIS. AT 1225 AM...ST CLAIR COUNTY REPORTED POWER LINES DOWN IN NEW ATHENS IN SOUTHERN ST CLAIR COUNTY. THE STORM WAS MOVING TO THE NORTHEAST AROUND 25 MILES AN HOUR. PERSONS IN THE CITIES/TOWNS OF FREEBURG AND FAYETTEVILLE SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE WEATHER UNTIL 115 AM. 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, Sep 20, 8:57 PM CDT, 3 hours 31 minutes before
MOZALL-210400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 850 PM CDT SUN SEP 20 1992 ...PORTIONS OF SOUTHWEST AND WEST CENTRAL MISSOURI REMAIN IN A SEVERE THUNDERSTORM WATCH UNTIL 11 PM... THE STRONGER STORMS HAVE MOVED EAST OF SEDALIA SO SEDALIA HAS BEEN REMOVED FROM SEVERE THUNDERSTORM WATCH NUMBER 853. THE WATCH NOW INCLUDES THE FOLLOWING COUNTIES IN MISSOURI... HENRY...ST CLAIR...BENTON...HICKORY...MORGAN...CAMDEN...VERNON... BARTON...CEDAR...DADE...POLK...DALLAS...GREENE...WEBSTER...JASPER... LAWRENCE AND NEWTON. THE TOWNS OF JOPLIN AND SPRINFIELD AND THE LAKE OF THE OZARKS REMAIN IN THE WATCH UNTIL 11 PM. PERSONS IN THE WATCH AREA SHOULD KEEP ABREAST OF THE LATEST WEATHER INFORMATION...AND BE PREPARED TO TAKE COVER IF THREATENING WEATHER APPROACHES. TUCKER
Special weather statement, Sep 20, 9:14 PM CDT, 3 hours 14 minutes before
MOZ006-009-010-013-014-210300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 915 PM CDT SUN SEP 20 1992 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PORTIONS OF WEST CENTRAL MISSOURI UNTIL 11 PM... AT 915 PM AN AREA OF SHOWERS AND SCATTERED STRONG THUNDERSTORMS WERE LOCATED IN A BROAD BAND THAT EXTENDED FROM 30 MILES SOUTHWEST OF KIRKSVILLE...TO 30 MILES SOUTHWEST OF SEDALIA. THE STRONGEST STORMS WERE MOVING THROUGH NORTHERN PETTIS...ABOUT 20 MILES NORTHWEST OF SEDALIA...MOVING EAST AT 20 MPH. THE STORMS HAVE DIMINISHED IN INTENSITY...BUT STILL POSE A SEVERE WEATHER THREAT...PRIMARILY OVER THE SOUTHWEST PART OF THE REGION. STRONG GUSTY WINDS...SMALL HAIL...HEAVY RAIN AND DANGEROUS LIGHTNING CAN BE EXPECTED WITH THESE STORMS UNTIL 10 PM AS THEY MOVE ACROSS SALINE AND PETTIS COUNTY. OTHER...STILL DEVELOPING STORMS WERE MOVING INTO WESTERN BENTON COUNTY AND WILL EFFECT THE COMMNUNITY OF WARSAW... THE TR~UMAN RESERVOIR AND THE WESTERN PORTIONS OF THE LAKE OF THE OZARKS UNTIL 1030 PM. PERLOW
Special weather statement, Sep 20, 10:10 PM CDT, 2 hours 18 minutes before
MOZ006-009-010-013-014-210400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 1010 PM CDT SUN SEP 20 1992 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PORTIONS OF WEST CENTRAL MISSOURI UNTIL 11 PM... AT 1000 PM...A NARROW BAND OF STRONG THUNDERSTORMS EXTENDED FROM 30 MILES NORTHWEST OF THE CITY OF COLUMBIA TO ABOUT 5 MILES NORTH OF SEDALIA MOVING TO THE EAST AT 25 MILES AN HOUR. THIS LINE OF THUNDERSTORMS WAS CAPABLE OF PRODUCING STRONG GUSTY WINDS...DANGEROUS LIGHTNING...HEAVY RAIN AND POSSIBLY HAIL. THESE THUNDERSTORMS WILL MOVE THROUGH HOWARD AND COOPER COUNTIES BETWEEN 1000 PM AND 1045 PM THIS EVENING...AFFECTING THE COMMUNTIES OF BOONVILLE...FAYETTE AND BUNCE<TON. PERSONS IN WEST CENTRAL MISSOURI SHOULD REMAIN ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS THE REST OF THIS EVENING...AND LISTEN FOR LATER STATEMENTS OR IF NECESSARY WARNINGS. LA GREE
Special weather statement, Sep 20, 10:43 PM CDT, 1 hour 45 minutes before
MOZ006-009-010-013-014-210430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 1040 PM CDT SUN SEP 20 1992 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PORTIONS OF WEST CENTRAL MISSOURI UNTIL 11 PM... AT 1035 PM...A NARROW LINE OF INTENSE THUNDERSTORMS EXTENDED FROM 15 MILES NORTH OF COLUMBIA NEAR HARRISBURG TO ABOUT 30 MILES WEST OF COLUMBIA NEAR BUNCETON...MOVING EAST AT 30 MILES AN HOUR. THESE THUNDERSTORMS WILL PRODUCE BRIEF GUSTY WINDS OF 35 TO 45 MILES AN HOUR ALONG WITH DANGEROUS LIGHTNING...HEAVY RAIN AND POSSIBLY HAIL AS THEY MOVE ACROSS NORTHERN BOONE AND EASTERN COOPER COUNTIES BETWEEN 1040 PM AND 1115 PM THIS EVENING. PERSONS IN THE NORTHERN HALF OF BOONE AND EASTERN COOPER COUNTIES INCLUDING THE COMMUNITIES OF COLUMBIA...BOONVILLE...HARRISBURG AND CENTRALIA...SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND STAY TUNED TO NOAA WEATHER RADIO...OR COMMERCIAL RADIO OR TELEVISION FOR LATER STATEMENTS. RELAY AND SEVERE WEATHER REPORTS TO THE NEAREST LAW ENFORCEMENT AGENY SO THEY CAN BE PASSED ALONG TO THE NATIONAL WEATHER SERVICE. LA GREE
Special weather statement, Sep 20, 10:56 PM CDT, 1 hour 32 minutes before
MOZALL-210500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1100 PM CDT SUN SEP 20 1992 ...SEVERE THUNDERSTORM WATCH 853 HAS EXPIRED... THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR SOUTHWEST AND PORTIONS OF WEST CENTRAL MISSOURI HAS EXPIRED. HOWEVER...STRONG THUNDERSTORMS ARE EXPECTED THROUGH THE EARLY MORNING HOURS IN PORTIONS OF SOUTHWEST AND CENTRAL MISSOURI. STORMS WILL MOVE OUT OF OKLAHOMA AND SOUTHEAST KANSAS INTO SOUTHWEST MISSOURI AND THE STORMS ACROSS CENTRAL MISSOURI WILL CONTINUE TO MOVE EAST AND WILL LIKELY REACH EAST CENTRAL MISSOURI DURING THE EARLY MORNING HOURS. THE STRONGER STORMS ARE LIKELY TO PRODUCE HEAVY RAIN...STRONG GUSTY WIND...INTENSE BLIGHTNING AND POSSIBLY SMALL HAIL. TUCKER
Special weather statement, Sep 20, 11:29 PM CDT, 59 minutes before
MOZ006-009-010-013-014-210530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 1130 PM CDT SUN SEP 20 1992 ...STRONG THUNDERSTORMS MOVING ACROSS CENTRAL MISSOURI... AT 1125 PM A BAND OF STRONG THUNDERSTORMS ABOUT 10 MILES WIDE EXTENDED ACROSS CENTRAL MISSOURI FROM 15 MILES NORTHEAST OF COLUMBIA NEAR HALLSVILLE...THROUGH THE CITY OF COLUMBIA TO ABOUT 20 MILES SOUTH OF SEDALIA NEAR STOVER. THE THUNDERSTORMS WERE MOVING EAST AROUND 40 MILES AN HOUR. NO SEVERE WEATHER WAS REPORTED IN CENTRAL MISSOURI WITH THESE THUNDERSTORMS...HOWEVER EXPECT WIND GUSTS OF 35 TO 40 MILES AN HOUR...ALONG WITH DEADLY LIGHTNING...AND BRIEF HEAVY RAIN AS THEY MOVE THROUGH EAST CENTRAL MISSOURI DURING THE EARLY MORNING HOURS ON MONDAY. LISTEN TO NOAA WEATHER RADIO FOR THE LATEST INFORMATION ON THE THUNDERSTORMS AS THEY MOVE ACROSS THE AREA TONIGHT. LA GREE
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.