Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 199, NWS St. Louis, MO

August 16, 1995Adams County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Aug 16, 1995, 4:48 PM CDT for Adams County, Illinois. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Aug 16, 1995, 4:48 PM CDT (21:48 UTC)
Expired
Aug 16, 1995, 5:30 PM CDT
In force
42 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Adams County, IL

The radar

The St Louis radar (KLSX), 150 km from the middle of the area, began a volume at 21:49 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 9.8 hours before the alert went out and 190 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, Davenport, at 12:00Z on 1995-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 246 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, Davenport, at 12:00Z on 1995-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
246 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
755 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 162149 RRA
SVRSTL
ILC001-162230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
448 PM CDT WED AUG 16 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL ILLINOIS
 
   ...NORTHERN ADAMS COUNTY
 
AT 445 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS DETECTING A
SEVERE THUNDERSTORM IN NORTHWESTERN ADAMS COUNTY ILLINOIS...JUST WEST OF
MENDON. THE STORM WAS MOVING TO THE NORTHEAST AT 15 TO 20 MPH. IT WILL
MOVE THROUGH THE TOWNS OF MENDON...LIMA...GOLDEN AND CAMP POINT BETWEEN
450 AND 530 PM.
 
THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAIL
AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS.
 
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, 3:00 PM CDT, 1 hour 48 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, 1 hour 48 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, 3:45 PM CDT, 1 hour 3 minutes before
MOZ001>115-ILZ095>102-160230-

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

...HEAT ADVISORY CONTINUES FOR EAST CENTRAL AND SOUTHERN MISSOURI
THROUGH THURSDAY...

A HEAT ADVISORY REMAINS IN EFFECT FOR EAST CENTRAL AND SOUTHERN MISSOURI
THROUGH THURSDAY.  THE ADVISORY AREA ROUGHLY COVERS SECTIONS OF MISSOURI
SOUTH OF LINE FROM NEVADA...ROLLA TO ST LOUIS LINE.

HOT AND HUMID WEATHER IS FORECAST TO CONTINUE THROUGH THURSDAY
ACROSS EAST CENTRAL AND SOUTHERN MISSOURI.  HEAT INDICES OF 105-110
ARE IN THE FORECAST AS TEMPERATURES REACH THE MID 90S...ALONG
WITH HUMIDITIES AROUND 50 PERCENT.

THIS PROLONGED PERIOD OF STEAMY SUMMER WEATHER MAY LEAD TO SERIOUS
HEALTH PROBLEMS...ESPECIALLY IN THE ELDERY...THE CHRONICALLY ILL...OR
THE VERY YOUNG...THAT LIVE IN UN-AIR CONDITIONED HOMES OR APARTMENTS.

ST LOUIS CITY AND COUNTY DEPARTMENTS OF HEALTH HAVE UPGRADED THE HEAT
WARNING IN THE ST LOUIS AREA TO A HEAT ALERT...TO HEIGHTEN AWARENESS TO
THIS POTENTIALLY DANGEROUS SITUATION.   AREA HOSPITALS ARE
REPORTING THE TREATMENT OF SEVERAL HEAT-RELATED ILLNESSES EACH DAY...
AND ONE REPORTED DEATH MAY HAVE BEEN RELATED TO THE HIGH HEAT AND
HUMIDITY.

IF YOU HAVE FRIENDS OR RELATIVE THAT LIVE IN UN-AIR CONDITIONED
LOCATIONS...MAKE SURE TO CHECK ON THEM FREQUENTLY DURING THE DAY...AND
URGE THEM TO GO TO A COOL SPOT TO GET SOME RELIEF.  IF THIS IS NOT
POSSIBLE...MAKE SURE THEY HAVE PLENTY OF FANS TO CIRCULATE THE AIR.

ACQUAVIVA
Special weather statement, Aug 16, 3:49 PM CDT, 59 minutes before
MOZ001>115-ILZ095>102-160230-

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

...HEAT ADVISORY CONTINUES FOR EAST CENTRAL AND SOUTHERN MISSOURI
THROUGH THURSDAY...

A HEAT ADVISORY REMAINS IN EFFECT FOR EAST CENTRAL AND SOUTHERN MISSOURI
THROUGH THURSDAY.  THE ADVISORY AREA ROUGHLY COVERS SECTIONS OF MISSOURI
SOUTH OF LINE FROM NEVADA...ROLLA TO ST LOUIS LINE.

HOT AND HUMID WEATHER IS FORECAST TO CONTINUE THROUGH THURSDAY
ACROSS EAST CENTRAL AND SOUTHERN MISSOURI.  HEAT INDICES OF 105-110
ARE IN THE FORECAST AS TEMPERATURES REACH THE MID 90S...ALONG
WITH HUMIDITIES AROUND 50 PERCENT.

THIS PROLONGED PERIOD OF STEAMY SUMMER WEATHER MAY LEAD TO SERIOUS
HEALTH PROBLEMS...ESPECIALLY IN THE ELDERY...THE CHRONICALLY ILL...OR
THE VERY YOUNG...THAT LIVE IN UN-AIR CONDITIONED HOMES OR APARTMENTS.

ST LOUIS CITY AND COUNTY DEPARTMENTS OF HEALTH HAVE UPGRADED THE HEAT
WARNING IN THE ST LOUIS AREA TO A HEAT ALERT...TO HEIGHTEN AWARENESS TO
THIS POTENTIALLY DANGEROUS SITUATION.   AREA HOSPITALS ARE
REPORTING THE TREATMENT OF SEVERAL HEAT-RELATED ILLNESSES EACH DAY...
AND ONE REPORTED DEATH MAY HAVE BEEN RELATED TO THE HIGH HEAT AND
HUMIDITY.

IF YOU HAVE FRIENDS OR RELATIVE THAT LIVE IN UN-AIR CONDITIONED
LOCATIONS...MAKE SURE TO CHECK ON THEM FREQUENTLY DURING THE DAY...AND
URGE THEM TO GO TO A COOL SPOT TO GET SOME RELIEF.  IF THIS IS NOT
POSSIBLE...MAKE SURE THEY HAVE PLENTY OF FANS TO CIRCULATE THE AIR.

ACQUAVIVA
Special weather statement, Aug 16, 4:35 PM CDT, 13 minutes before
MOZ010-018-019-027-034-035-009-026-ILZ095-096-097-049-162245-

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

...STRONG THUNDERSTORMS MOVING THROUGH NORTHEAST MISSOURI AND INTO WEST
CENTRAL ILLINOIS...

AT 430 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS DETECTING AN AREA
OF STRONG THUNDERSTORMS EXTENDING FROM JUST EAST OF KAHOKA MISSOURI
SOUTH THROUGH THE TOWNS OF CANTON AND LA GRANGE...THEN SOUTHWEST TO
SHELBYVILLE.  THESE STORMS WERE MOVING TO THE NORTHEAST AT 15 TO 20 MPH.
THEY WILL MOVE THROUGH THE MISSOURI TOWNS OF PEAKSVILLE...ALEXANDRIA
AND EWING...AND THE ILLINOIS TOWNS OF MENDON...QUINCY...LIMA...GOLDEN
AND CAMP POINT BETWEEN 445 AND 6 PM.

THESE STORMS WILL PRODUCE TORRENTIAL DOWNPOURS...LOCALIZED STREET
FLOODING...DEADLY CLOUD TO GROUND LIGHTNING...STRONG WIND GUSTS AND
SMALL HAIL.  IF THREATENING WEATHER APPROACHES...SEEK SHELTER IN A
REINFORCED BUILDING...AWAY FROM WINDOWS.  CONTINUE TO LISTEN TO NOAA
WEATHER RADIO OR LOCAL MEDIA SOURCES FOR FURTHER STATEMENTS OR POSSIBLE
WARNINGS.

GKS
Special weather statement, Aug 16, 4:41 PM CDT, 7 minutes before
MOZ010-018-019-027-034-035-009-026-ILZ095-096-097-049-162245-

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

...STRONG THUNDERSTORMS MOVING THROUGH NORTHEAST MISSOURI AND INTO WEST
CENTRAL ILLINOIS...

AT 430 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS DETECTING AN AREA
OF STRONG THUNDERSTORMS EXTENDING FROM JUST EAST OF KAHOKA MISSOURI
SOUTH THROUGH THE TOWNS OF CANTON AND LA GRANGE...THEN SOUTHWEST TO
SHELBYVILLE.  THESE STORMS WERE MOVING TO THE NORTHEAST AT 15 TO 20 MPH.
THEY WILL MOVE THROUGH THE MISSOURI TOWNS OF PEAKSVILLE...ALEXANDRIA
AND EWING...AND THE ILLINOIS TOWNS OF MENDON...QUINCY...LIMA...GOLDEN
AND CAMP POINT BETWEEN 445 AND 6 PM.

THESE STORMS WILL PRODUCE TORRENTIAL DOWNPOURS...LOCALIZED STREET
FLOODING...DEADLY CLOUD TO GROUND LIGHTNING...STRONG WIND GUSTS AND
SMALL HAIL.  IF THREATENING WEATHER APPROACHES...SEEK SHELTER IN A
REINFORCED BUILDING...AWAY FROM WINDOWS.  CONTINUE TO LISTEN TO NOAA
WEATHER RADIO OR LOCAL MEDIA SOURCES FOR FURTHER STATEMENTS OR POSSIBLE
WARNINGS.

GKS

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, 3:33 PM CDTSevere Thunderstorm WarningLSXBrown42 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; radar from the NEXRAD Level II archive.