Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 64, NWS St. Louis, MO

May 16, 1995Clinton County, Marion County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at May 16, 1995, 4:25 AM CDT for Clinton County, Marion County, Illinois. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
May 16, 1995, 4:25 AM CDT (09:25 UTC)
Expired
May 16, 1995, 5:15 AM CDT
In force
50 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Clinton County, IL, Marion County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 9.4 hours before the alert went out and 176 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 00:00Z on 1995-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1995-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.19395878Sfc1 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
3055 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 160928
SVRSTL
ILC027-121-161015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
425 AM CDT TUE MAY 16 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL ILLINOIS
 
   ...EASTERN CLINTON COUNTY...MARION COUNTY
 
AT 425 AM CDT NWS DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR
CARLYLE LAKE. THIS STORM WAS MOVING TO THE EAST AT 40 MPH. TOWNS IN
THE PATH OF THIS STORM ARE...SANDOVAL...SALEM...BOULDER...AND CENTRALIA.
 
 
THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAIL
AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS.

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 16, 3:07 AM CDT, 1 hour 18 minutes before
MOZALL-160900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
304 AM CDT TUE MAY 16 1995

...THUNDERSTORMS HAVE DEVELOPED RAPIDLY IN THE METRO AREA...

A NORTH-SOUTH LINE OF SCATTERED THUNDERSTORMS HAS DEVELOPED RAPIDLY
AND IS MOVING TO THE EAST AT 35 MPH.

AT 300 AM THUNDERSTORMS WERE LOCATED JUST NORTH OF ALTON ILLINOIS...
IN FLORISSANT AND ADJACENT NORTH COUNTY COMMUNITIES NEAR I-270...
AND JUST SOUTH OF ARNOLD EASTWARD TO NEAR WATERLOO ILLINOIS.

PEA SIZED HAIL WAS REPORTED AT HAZELWOOD.  THESE STORMS WILL
MOVE OFF TO THE EAST...THEN AS RUSH HOUR BEGINS...ANOTHER MORE GENERAL
AREA OF RAIN AND A FEW THUNDERSTORMS WILL MOVE IN...PROBABLY LASTING
THROUGH THE MORNING RUSH HOUR.

PEDIGO
Special weather statement, May 16, 4:05 AM CDT, 20 minutes before
MOZ055-056-068-069-161005-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
403 AM CDT TUE MAY 16 1995

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR BENTON AND MORGAN
   COUNTIES UNTIL 8AM...

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR CAMDEN AND HICKORY
   COUNTIES UNTIL 9AM...

AT 4AM A 35 MILE WIDE BAND OF STRONG THUNDERSTORMS EXTENDED FROM 20
MILES WEST OF COLUMBIA...THROUGH SEDALIA...TO 65 MILES SOUTH OF KANSAS
CITY NEAR OSCEOLA.

MOVEMENT WAS TO THE SOUTHEAST AROUND 40 MILES PER HOUR.

THIS BAND OF STORMS WILL BE MOVING INTO HICKORY AND BENTON COUNTIES
BEFORE 415AM...AND HICKORY...MILLER...AND CAMDEN COUNTIES BETWEEN 430AM
AND 445AM.

STRONG GUSTY WINDS...FREQUENT LIGHTNING...VERY HEAVY RAINFALL AND
SMALL HAIL MAY ACCOMPANY THE STRONGER STORMS.

IF SEVERE WEATHER IS OBSERVED...CONTACT YOUR LOCAL LAW ENFORCEMENT
AGENCY AND ASK THEM TO RELAY YOUR INFORMATION TO THE NATIONAL
WEATHER SERVICE.

REAUGH

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 5:24 AM CDTSevere Thunderstorm WarningLSXMadison51 min
May 16, 5:59 AM CDTFlash Flood WarningLSXMadison6 hr
May 16, 6:21 AM CDTSevere Thunderstorm WarningLSXSaint Clair112 min
May 16, 6:38 AM CDTTornado WarningLSXClinton, Saint Clair67 min
May 16, 7:48 AM CDTSevere Thunderstorm WarningLSXRandolph42 min
May 16, 6:20 PM CDTTornado WarningLSXAdams25 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.