Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 92, NWS St. Louis, MO

May 18, 1995Perry County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at May 18, 1995, 1:40 PM CDT for Perry County, Illinois. It was in force for 24 min.

The area

The counties it named.

The facts

Issued
May 18, 1995, 1:40 PM CDT (18:40 UTC)
Expired
May 18, 1995, 2:04 PM CDT
In force
24 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Perry County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 6.7 hours before the alert went out and 239 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 1995-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 1995-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 256 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
507 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
256 m²/s²
0-3 km storm-relative helicity
346 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 181842
SVRSTL
ILC145-181930-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
140 PM CDT THU MAY 18 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  230 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL ILLINOIS
 
   ...PERRY COUNTY
 
AT 140 PM...SEVERE THUNDERSTORMS WERE 10 MILES NORTHWEST OF
PINCKNEYVILLE AND JUST WEST OF DU QUOIN. THE STORMS WERE MOVING TO
THE NORTHEAST AT 30 MPH. DU QUOIN AND TODDS MILL ARE IN THE PATH OF
THIS STORM.
 
SEEK SHELTER IN A STURDY BUILDING. REMEMBER SEVERE THUNDERSTORMS
OFTEN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
 
REMEMBER...A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.
IF OUTDOORS...SEEK INSIDE SHELTER IMMEDIATELY. STAY AWAY FROM
WINDOWS.
 
AS/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, May 18, 10:26 AM CDT, 3 hours 14 minutes before
MOZ001>115-ILZ095>102-181900-

MISSOURI SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
1025 AM CDT THU MAY 18 1995

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS MOST OF
MISSOURI EXCEPT THE WEST PORTION FOR THIS AFTERNOON.

THIS AREA IS EAST OF A LINE FROM BETHANY IN HARRISON COUNTY TO
WARRENSBURG IN JOHNSON COUNTY TO CASSVILLE IN BARRY COUNTY.
THIS DOES NOT INCLUDE ST JOSEPH...THE KANSAS CITY METROPLITAN
AREA...OR JOPLIN. THE MAIN THREAT FROM THE THUNDERSTORMS SHOULD BE
LARGE HAIL.

STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISED OF
THE
LATEST FORECAST FOR POSSIBLE SKYWARN ACTION FOR THE REMAINDER OF
THIS MORNING AND THIS AFTERNOON.
Special weather statement, May 18, 12:47 PM CDT, 53 minutes before
ILZ102-101-181815-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1245 PM CDT THU MAY 18 1995

AT 1245 PM...A TORNADO WAS SIGHTED BY SKYWARN SPOTTERS JUST SOUTH OF
BELLEVILLE. THE STORM WAS MOVING TO THE EAST-NORTHEAST AND WILL MOVE
ACROSS SCOTT AIR FORCE BASE AND NEW BEADEN.

A SECOND TORNADO WAS JUST SOUTH OF MILLSTADT. THE TOWN OF FREEBURG IS IN
THE PATH OF THIS STORM. TAKE COVER NOW!

AS/FG

&
Special weather statement, May 18, 1:26 PM CDT, 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
125 PM CDT THU MAY 18 1995

MOZ034>036-041-042-047>050-192200-
AUDRAIN-BOONE-CALLAWAY-CAMDEN-COLE-MONITEAU-MONROE-
OSAGE-PIKE-PULASKI-RALLS-
INCLUDING THE CITIES OF...BOWLING GREEN...COLUMBIA...JEFFERSON CITY
125 PM CDT THU MAY 18 1995

...SEVERE THUNDERSTORM WATCH IS CANCELLED FOR PORTIONS OF CENTRAL
AND NORTHEAST MISSOURI...

AT 125 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR nINDICATED
THE STRONGEST STORMS HAVE MOVED TO THE EAST OF CENTRAL AND
NORTHEAST MISSOURI. THE THREAT OF SEVERE THUNDERSTORMS HAS
DIMINISHED ACROSS THIS AREA...THEREFORE THE SEVERE THUNDERSTORM
WATCH HAS BEEN CANCELLED.

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 11:56 PM CDTFlash Flood WarningLSXClinton, Madison, Monroe, Randolph, Saint Clair, Washington4 hr
May 17, 11:56 PM CDTFlash Flood WarningLSXJefferson, Perry4 hr
May 17, 11:56 PM CDTFlash Flood WarningLSXEffingham, Fayette4 hr
May 17, 11:56 PM CDTFlash Flood WarningLSXBond4 hr
May 17, 11:56 PM CDTFlash Flood WarningLSXCalhoun, Jersey4 hr
May 17, 11:56 PM CDTFlash Flood WarningLSXMarion4 hr
May 18, 12:19 PM CDTTornado WarningLSXMonroe41 min
May 18, 12:38 PM CDTTornado WarningLSXSaint Clair52 min
May 18, 12:54 PM CDTSevere Thunderstorm WarningLSXRandolph51 min
May 18, 1:03 PM CDTTornado WarningLSXWashington27 min
May 18, 1:12 PM CDTTornado WarningLSXClinton42 min
May 18, 1:19 PM CDTTornado WarningLSXRandolph35 min
May 18, 1:22 PM CDTTornado WarningLSXWashington32 min
May 18, 1:35 PM CDTTornado WarningLSXJefferson, Marion40 min
May 18, 2:02 PM CDTTornado WarningLSXFayette27 min
May 18, 2:02 PM CDTTornado WarningLSXEffingham43 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.