Alert archive / Illinois / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 56, NWS St. Louis, MO

May 13, 1995Saint Clair County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at May 13, 1995, 10:03 PM CDT for Saint Clair County, Illinois. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
May 13, 1995, 10:03 PM CDT (03:03 UTC)
Expired
May 13, 1995, 10:45 PM CDT
In force
42 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Saint Clair County, IL

The radar

The St Louis radar (KLSX), 70 km from the middle of the area, began a volume at 03:03 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

Lincoln, IL (KILX), launched 00:00Z, 3.1 hours before the alert went out and 219 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 1995-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2056 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 00:00Z on 1995-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 289 square meters per square second.1939587897Sfc1 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
2056 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
699 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
289 m²/s²
0-3 km storm-relative helicity
320 m²/s²
Significant tornado parameter
3.2
Supercell composite
18.6

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 13, 6:12 PM CDT, 3 hours 51 minutes before
MOZ001>052-059>065-ILZ095>102-132340-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
610 PM CDT SAT MAY 13 1995

...TORNADO WATCH IS NO LONGER IN EFFECT FOR PARTS OF NORTH CENTRAL
AND NORTHEAST MISSOURI....

THE TORNADO WATCH HAS BEEN CANCELLED FOR PARTS OF NORTH CENTRAL
AND PARTS OF NORTHEAST MISSOURI.  THE THREAT OF SEVERE THUNDERSTORMS
HAS NOW PUSHED INTO EXTREME NORTHEAST MISSOURI...AND ADJACENT
SECTIONS OF WEST CENTRAL ILLINO\IS.

IN NORTHEAST MISSOURI...THE WATCH HAS BEEN CANCELLED FOR SCOTLAND
AND KNOX COUNTIES.

...BROADCASTERS...PLEASE SEE SPECIAL WEATHER STATEMENT ISSUED BY
KANSAS CITY AT 609 PM FOR ADDITIONAL COUNTIES CLEARED FROM THE WATCH.

TRUETT
Local storm report, May 13, 6:32 PM CDT, 3 hours 31 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
630 PM CDT SAT MAY 13 1995

...SEVERE WEATHER REPORTS FROM SATURDAY...MAY 13 1995...

TIME(CDT)   .....CITY LOCATION.....    ST    ...EVENT/REMARKS...
            ....COUNTY LOCATION....

1045 AM      3NE ATHENS                MO    1 INCH HAIL
             CLARK COUNTY

320 PM       ARBELA - SCOTLAND COUNTY  MO    TORNADO WITH PATH LENGTH
TO           TO 4NE LURAY -                  OF APPROX 8 MILES.
340 PM       CLARK COUNTY                    WIDEST DAMAGE
                                             SWATH OF ABOUT 200 YARDS.
                                             1 INJURY REPORTED AT
                                             GRANGER.  DAMAGE TO
                                             SEVERAL HOMES AND
                                             NUMEROUS OUTBUILDINGS
                                             ALONG PATH.

TRUETT
Special weather statement, May 13, 7:41 PM CDT, 2 hours 22 minutes before
MOZ042-010-019-027-034-036-035-026-ILZ095-096-097-140115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
740 PM CDT SAT MAY 13 1995

...THREAT OF STRONG THUNDERSTORMS DIMINISHING ACROSS NORTHEAST MISSOURI
AND WEST CENTRAL ILLINOIS...

A TORNADO WATCH REMAINS IN EFFECT FOR A SMALL PART OF NORTHEAST MISSOURI
AND WEST CENTRAL ILLINOIS UNTIL 9 PM...AND A FLASH FLOOD WATCH ALSO
REMAINS IN EFFECT FOR THIS EVENING.

HOWEVER...THE LATEST DATA INDICATES THAT THE THREAT OF STRONG STORMS IS
DIMINISHING OVER THIS AREA...AND IS SHIFTING INTO EAST CENTRAL MISSOURI
AND SOUTHWEST ILLINOIS.  IF CURRENT TRENDS CONTINUE...IT APPEARS THAT
THE THUNDERSTORM THREAT WILL END IN THIS AREA BY 9 PM.

TRUETT
Special weather statement, May 13, 8:24 PM CDT, 1 hour 39 minutes before
MOZ042-010-019-027-034-036-035-026-ILZ095-096-097-140200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
820 PM CDT SAT MAY 13 1995

...TORNADO AND FLASH FLOOD WATCHES FOR EXTREME NORTHEAST MISSOURI AND
EXTREME WEST CENTRAL ILLINOIS IS NO LONGER IN EFFECT...

THE TORNADO AND FLASH FLOOD WATCHES FOR EXTREME NORTHEAST MISSOURI AND
EXTREME WEST CENTRAL ILLINOIS ARE NO LONGER IN EFFECT.  THE THREAT OF
STRONG STORMS...AND HEAVY RAINS...HAS NOW PUSHED TO THE EAST AND SOUTH
OF THESE AREAS.

IN MISSOURI THE FOLLOWING COUNTIES HAVE BEEN CLEARED FROM THESE
WATCHES...CLARK...LEWIS...SHELBY...MARION...MONROE...RALLS...AUDRAIN
...AND PIKE.  IN ILLINOIS...THE COUNTIES OF ADAMS...BROWN...jAND PIKE
HAVE BEEN CLEARED.

THE CITIES OF HANNIBAL AND QUINCY HAVE ALSO BEEN CLEARED FROM THESE
WATCHES.

TRUETT
Special weather statement, May 13, 8:36 PM CDT, 1 hour 27 minutes before
MOZ055>058-068>070-140235-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
834 PM CDT SAT MAY 13 1995

...A TORNADO WATCH IS IN EFFECT UNTIL 100 AM CDT...

AT 830 PM...RADAR INDICATED SEVERAL STRONG THUNDERSTORMS WERE
APPROACHING PULASKI COUNTY FROM THE SOUTHWEST.  ONE STORM WAS LOCATED
15 MILES SOUTH OF WAYNESVILLE...OR 35 MILES SOUTHWEST OF ROLLA AND WILL
BE MOVING INTO EXTREME SOUTHERN PULASKI COUNTY BY 840 PM AND BE NEAR
FORT LEONARD WOOD BY 850 PM.

OTHER STRONG THUNDERSTORMS...SOME SEVERE...WERE LOCATED ALONG
INTERSTATE 44...EAST OF SPRINGFIELD AND ALSO SOUTHWEST OF ST. LOUIS.
THE THUNDERSTORMS IN THE SPRINGFIELD VICINITY MAY APPROACH PULASKI
AND MARIES COUNTIES LATER THIS EVENING.

THE THUNDERSTORM ENTERING PULASKI COUNTY WILL LIKELY PRODUCE VERY HEAVY
RAIN...FREQUENT DEADLY LIGHTNING...AND POSSIBLY SMALL HAIL.

REMEMBER...A TORNADO WATCH IS IN EFFECT FOR PULASKI AND MARIES COUNTIES
UNTIL 100 AM SUNDAY MORNING.

IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A
STORM APPROACHES.  MOTORISTS SHOULD REMAIN ALERT FOR REDUCED
VISIBILITIES DURING DOWNPOURS OF RAIN.  STREETS MAY FLOOD QUICKLY.

WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 9:24 PM CDTSevere Thunderstorm WarningLSXMonroe51 min
May 13, 9:43 PM CDTTornado WarningLSXMonroe47 min
May 13, 9:58 PM CDTSevere Thunderstorm WarningLSXRandolph, Saint Clair47 min
May 13, 10:30 PM CDTSevere Thunderstorm WarningLSXWashington60 min
May 13, 10:54 PM CDTSevere Thunderstorm WarningLSXMonroe51 min
May 13, 11:13 PM CDTSevere Thunderstorm WarningLSXSaint Clair47 min
May 14, 12:29 AM CDTSevere Thunderstorm WarningLSXJefferson46 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.