Alert archive / Illinois / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 24, NWS St. Louis, MO

June 17, 1992Adams County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 17, 1992, 1:10 PM CDT for Adams County, Illinois. It was in force for 35 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: Jun 17, 1992, 1:10 PM CDT (18:10 UTC)
Expired: Jun 17, 1992, 1:45 PM CDT
In force: 35 min
Issued by: NWS St. Louis, MO
Area: Whole counties

County Adams County, IL

What was reported inside it

Time	Report	Where	Remark
Jun 17, 1:35 PM CDT	Hail 0.75	Adams, IL
Jun 17, 1:54 PM CDT	Tornado F0	Adams, IL

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, 6.2 hours before the alert went out and 390 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2332 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 853 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 123 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSTL 171811
SVRSTL
ILC001-171845-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
110 PM CDT WED JUN 17 1992
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  145 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL ILLINOIS
 
   ...NORTHERN ADAMS COUNTY
 
AT 103 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A SEVERE
THUNDERSTORM LOCATED OVER SOUTHERN LEWIS COUNTY...20 MILES
NORTHWEST OF HANNIBAL MISSOURI. THE STORM WAS MOVING TO THE NORTHEAST
AT 40 MPH.
 
THIS STORM WILL BE MOVING NEAR THE CITY OF MARCELLINE BY 130 PM.
THIS IS A DANGEROUS STORM.  IF YOU ARE IN THESE AREAS...MOVE TO
SHELTER IMMEDIATELY.
 
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.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE ST2ORM HAS PASSED.
 
EHG/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

Local storm report, Jun 17, 11:31 AM CDT, 1 hour 39 minutes before

MOZALL-171730-

PRELIMINARY STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA MO
1130 AM CDT WED JUN 17 1992

DLAD REPORTS (POST EVENT FOLLOW-UP)

COUNTY      TIME(CDT)   REPORT
SW MACON    1045-1100   5 N. OF NEW CAMBRIA. HAIL (.75).  RAIN 0.90" IN
                        15 MINUTES.
NW CHARITON @1100       N. OF SALISBURY (PSBLY NR BYNUMVILLE) LARGE HAIL.
                        (SIZE NOT SPECIFIED)

SE LINN     1110        BUCKLIN AND AT THE INTERSECTION OF HIWAY 5 AND 36.
                        GOLFBALL SIZE HAIL (1.75).

NW MACON    1150        NR ELMER.  HAIL(1.00) AND 1.00" RAIN.  CORN AND
                        TOMATOES IN A SMALL GARDEN WERE FLATTENED.

NE MACON    @1300       ISN ATLANTA.  HAIL(0.50 - 0.75). NOT MUCH RAIN.

Special weather statement, Jun 17, 12:29 PM CDT, 41 minutes before

MOZ003-007-171830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1228 PM CDT WED JUN 17 1992

AT 1223 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A DEVELOPING
LINE OF STRONG THUNDERSTORMS OVER NORTHEAST MISSOURI. THE LINE EXTENDED
FROM NEAR PEAKSVILLE IN CLARK COUNTY...TO NEAR CLARENCE IN SHELBY
COUNTY. STORM MOVEMENT WAS TO THE NORTHEAST AT 40 MPH.

THESE STORMS SHOULD BE MOVING INTO THE MONTICELLO AND SHELBYVILLE AREAS
THROUGH 1245 PM...REACHING THE CITIES OF LA GRANGE AND TAYLOR AROUND
1 PM.

SMALL HAIL...GUSTY WINDS...VERY HEAVY RAIN...AND DEADLY LIGHTNING WILL
BE POSSIBLE WITH THE PASSAGE OF THESE STORMS.  IF THEY MOVE INTO YOUR
AREA...MOVE TO SHELTER IMME6DIATELY UNTIL THE STORMS PASS.

GOETSCH

Special weather statement, Jun 17, 12:51 PM CDT, 19 minutes before

MOZALL-180100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1250 PM CDT WED JUN 17 1992

...A TORNADO WATCH IS IN EFFECT FOR NORTHEASTERN MISSOURI AND PORTIONS
   OF CENTRAL MISSOURI UNTIL 800 PM CDT...

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR
NORTHEASTERN MISSOURI UNTIL 800 PM.  THE QUINCY/HANNIBAL AREA AND
COLUMBIA ARE INCLUDED IN THE WATCH AREA.

AT 1245 PM...WEATHER SERVICE RADAR SHOWED THUNDERSTORMS RAPIDLY
DEVELOPING FROM NORTHEASTERN INTO CENTRAL MISSOURI.  THESE
THUNDERSTORMS WERE MOVING RAPIDLY TO THE NORTHEAST AT 40 MPH.

THIS IS A PARTICULARY DANGEROUS SITUATION WITH THE POSSIBILITY
OF STRONG DAMAGING WINDS...LARGE HAIL...DANGEROUS LIGHTNIVNG...
AND TORNADOES.
.
PEOPLE LIVING IN CENTRAL AND NORTHEAST MISSOURI ARE ADVISED TO
MONITOR NOAA WEATHER RADIO OR LOCAL MEDIA SOURCES FOR FURTHER
STATEMENTS AND OR WARNINGS.

GLASS

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 17, 1:39 PM CDT	Severe Thunderstorm Warning	LSX	Adams	51 min
Jun 17, 1:48 PM CDT	Tornado Warning	LSX	Adams	27 min
Jun 17, 2:16 PM CDT	Severe Thunderstorm Warning	LSX	Adams	29 min
Jun 17, 2:27 PM CDT	Severe Thunderstorm Warning	LSX	Brown	33 min
Jun 17, 4:14 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene	46 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1992 Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.