Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 198, NWS St. Louis, MO

August 16, 1995Brown County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Aug 16, 1995, 3:33 PM CDT for Brown County, Illinois. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Aug 16, 1995, 3:33 PM CDT (20:33 UTC)
Expired
Aug 16, 1995, 4:15 PM CDT
In force
42 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Brown County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.6 hours before the alert went out and 184 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-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 1995-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2119 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 1995-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
2119 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
814 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 162035 RRA
SVRSTL
ILC009-162115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
333 PM CDT WED AUG 16 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  415 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL ILLINOIS
 
   ...BROWN COUNTY
 
AT 330 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS DETECTING A
SEVERE THUNDERSTORM MOVING INTO BROWN COUNTY ILLINOIS. THE STORM WAS
JUST SOUTHWEST OF BUCKHORN IN SOUTHWESTERN BROWN COUTNY. THE STORM WAS
MOVING TO THE EAST NORTHEAST AT 15 MPH. THE STORM WILL MOVE THROUGH THE
TOWNS OF BUCKHORN...RIPLEY...MT STERLING AND VERSAILLES BETWEEN 345 AND
415 PM.
 
THIS STORM PRODUCED WIND GUSTS TO 71 MPH WHEN IT MOVED THROUGH QUINCY AT
235 PM.
 
THIS STORM HAS A HISTORY OF DAMAGING WINDS. SEEK INSIDE SHELTER
NOW!
 
GKS
&

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, Aug 16, 1:11 PM CDT, 2 hours 22 minutes before
ILZ049-058>060-095>100-MOZ009-010-018-019-026-027-034>036-041-042-
047>052-059>064-170015-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
111 PM CDT WED AUG 16 1995

...THERE IS A SLIGHT RISK OF SEVERE WEATHER IN PORTIONS OF NORTHEAST
...EAST CENTRAL AND CENTRAL MISSOURI FOR THIS AFTERNOON AND THIS
EVENING...

THERE IS A CHANCE FOR SHOWERS AND THUNDERSTORMS OVER PORTIONS OF EAST
CENTRAL...NORTHEAST AND CENTRAL MISSOURI THIS AFTERNOON AND THIS
EVENING.  THIS AREA WILL INCLUDE THE CITIES OF HANNIBAL...COLUMBIA AND
ST LOUIS.

THE COMBINATION OF AN UPPER WEATHER DISTURBANCE AND VARY UNSTABLE AIR
MASS WILL PRODUCE A CHANCE FOR THUNDERSTORMS.  ALSO FEW OF THESE
STORMS COULD REACH SEVERE LEVEL WITH STRONG AND GUSTY WIND AND LARGE
HAIL.

STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISED OF THE
LATEST WEATHER CONDITIONS IN CASE SPOTTER ACTIVATION IS NEEDED.

VA
Special weather statement, Aug 16, 1:38 PM CDT, 1 hour 55 minutes before
ILZ049-058>060-095>100-MOZ009-010-018-019-026-027-034>036-041-042-
047>052-059>064-170015-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
111 PM CDT WED AUG 16 1995

...THERE IS A SLIGHT RISK OF SEVERE WEATHER IN PORTIONS OF NORTHEAST
...EAST CENTRAL AND CENTRAL MISSOURI FOR THIS AFTERNOON AND THIS
EVENING...

THERE IS A CHANCE FOR SHOWERS AND THUNDERSTORMS OVER PORTIONS OF EAST
CENTRAL...NORTHEAST AND CENTRAL MISSOURI THIS AFTERNOON AND THIS
EVENING.  THIS AREA WILL INCLUDE THE CITIES OF HANNIBAL...COLUMBIA AND
ST LOUIS.

THE COMBINATION OF AN UPPER WEATHER DISTURBANCE AND VARY UNSTABLE AIR
MASS WILL PRODUCE A CHANCE FOR THUNDERSTORMS.  ALSO FEW OF THESE
STORMS COULD REACH SEVERE LEVEL WITH STRONG AND GUSTY WIND AND LARGE
HAIL.

STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISED OF THE
LATEST WEATHER CONDITIONS IN CASE SPOTTER ACTIVATION IS NEEDED.

VA
Special weather statement, Aug 16, 3:00 PM CDT, 33 minutes before
ILZ059-060-064-100-162100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
300 PM CDT WED AUG 16 1995

...STRONG THUNDERSTORMS WERE MOVING ACROSS SOUTHWEST ILLINOIS...

AT 300 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS NEAR EDWARDSVILLE...STAUTON...RAYMOND...
AND GIRARD.  THE STORMS WERE MOVING TO NORTHEAST AROUND 15 MILES
AN HOUR.  THE STRONGER STORMS WILL CONTAIN GUSTY WINDS...VERY HEAVY
RAIN...AND DEADLY LIGHTNING.

PERSONS IN FARMERSVILLE...RAYMOND...LITCHFIELD...AND STAUTON COULD
EXPERIENCE VERY HEAVY RAIN AND GUSTY WINDS BETWEEN 3 PM AND 4 PM.
Special weather statement, Aug 16, 3:00 PM CDT, 33 minutes before
ILZ059-060-064-100-162100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
300 PM CDT WED AUG 16 1995

...STRONG THUNDERSTORMS WERE MOVING ACROSS SOUTHWEST ILLINOIS...

AT 300 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS NEAR EDWARDSVILLE...STAUTON...RAYMOND...
AND GIRARD.  THE STORMS WERE MOVING TO NORTHEAST AROUND 15 MILES
AN HOUR.  THE STRONGER STORMS WILL CONTAIN GUSTY WINDS...VERY HEAVY
RAIN...AND DEADLY LIGHTNING.

PERSONS IN FARMERSVILLE...RAYMOND...LITCHFIELD...AND STAUTON COULD
EXPERIENCE VERY HEAVY RAIN AND GUSTY WINDS BETWEEN 3 PM AND 4 PM.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 2:45 PM CDTSevere Thunderstorm WarningLSXAdams45 min
Aug 16, 4:48 PM CDTSevere Thunderstorm WarningLSXAdams42 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1995Every severe thunderstorm warning in 1995

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.