Alert archive / Missouri / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 83, NWS St. Louis, MO

May 17, 1995Sainte Genevieve County, Saint Francois County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 17, 1995, 4:40 AM CDT for Sainte Genevieve County, Saint Francois County, Missouri. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
May 17, 1995, 4:40 AM CDT (09:40 UTC)
Expired
May 17, 1995, 5:30 AM CDT
In force
50 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Saint Francois County, MO, Sainte Genevieve County, MO

The radar

The St Louis radar (KLSX), 99 km from the middle of the area, began a volume at 09:44 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, 9.7 hours before the alert went out and 296 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 1995-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 132 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1995-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
132 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
658 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 170943
SVRSTL
MOC187-186-171030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
440 AM CDT WED MAY 17 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MISSOURI
 
   ...ST FRANCOIS COUNTY...STE GENEVIEVE COUNTY
 
AT 440 AM...WEATHER SERVICE RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM OVER EASTERN WASHINGTON COUNTY MISSOURI...NEAR POTOSI.
THIS STORM WAS PRODUCING QUARTER SIZED HAIL AND HIGH WINDS IN THE
POTOSI AREA.
 
THE STORM WAS NOW RACING EAST AT 50 MILES AN HOUR...AND WILL BE
AFFECTING THE CITIES OF BONNE 4TERRE...FLAT RIVER...WEINGARTEN...AND STE
GENEVIEVE.
 
PEOPLE IN THE PATH OF THIS STORM SHOULD SEEK SHELTER ON AN INTERIOR ROOM
OF THE LOWEST FLOOR.  STAY AWAY FROM WINDOWS!!!
 
TRUETT/SHEA
 
&

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 17, 12:50 AM CDT, 3 hours 50 minutes before
MOZ055>58-68>70-170645-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
1247 AM CDT WED MAY 17 1995

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR BENTON AND HICKORY
COUNTIES UNTIL 400 AM...

...A FLASH FLOOD WATCH IS IN EFFECT THROUGH WEDNESDAY MORNING...

AT 1245 PM MOST OF THE SOUTH PART OF MISSOURI WAS FREE OF THUNDERSTORMS
WITH MOST OF THE RAIN FALLING IN COUNTIES ALONG AND NORTH OF THE
MISSOURI RIVER.  ONE STRONG THUNDERSTORM HOWEVER WAS LOCATED 15 MILES
SOUTHEAST OF SEDALIA NEAR FLORENCE.  THE STORM WAS MOVING EAST AT 40 MPH
AND WILL PRODUCE BRIEF HEAVY RAIN IN FLORENCE AND GLENSTEAD THROUGH 1 AM
ADDITIONAL THUNDERSTORMS ARE EXPECTED TO DEVELOP OR MOVE INTO THE SOUTH
PART OF CENTRAL MISSOURI DURING THE NIGHT.  A FEW OF THE STORMS WILL
HAVE THE POTENTIAL TO PRODUCE STRONG WINDS AND HAIL.  FLOODING IS ALSO
A THREAT SINCE THE GROUND IS SATURATED FROM RAIN WHICH FELL EARLIER
TODAY.

CENTRAL MISSOURI RESIDENTS SHOULD KEEP INFORMED OF CHANGING WEATHER
CONDITIONS DURING THE NIGHT.  ANYONE TRAVELLING OR LIVING IN FLOOD PRONE
AREAS SHOULD BE ESPECIALLY CAREFULL SINCE FLOODING COULD OCCUR VERY
QUICKLY IN OR NEAR THUNDERSTORMS.

KENNEDY
Special weather statement, May 17, 1:28 AM CDT, 3 hours 12 minutes before
MOZ041-170730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
125 AM CDT WED MAY 17 1995

...ANOTHER STRONG THUNDERSTORM MOVING INTO CENTRAL MISSOURI...

AT 125 AM...WEATHER SERVICE DOPPLER RADAR INDICATED ANOTHER STRONG
THUNDERSTORM MOVING INTO CENTRAL MISSOURI.  THE STORM WAS ABOUT 30 MILES
WEST OF COLUMBIA...AND WAS MOVING EAST AT 35 MILES AN HOUR.

THIS STORM WILL PASS THROUGH THE COLUMBIA AREA BETWEEN 2 AND 230 AM.
ANOTHER ROUND OF TORRENTIAL RAINS CAN BE EXPECTED WITH THE PASSAGE OF
THIS STORM...ALONG WITH STRONG...GUSTY WINDS AND SOME HAIL.

PEOPLE IN THE COLUMBIA AREA SHOULD REMAIN ALERT FOR FURTHER
INTENSIFICATION OF THIS STORM.

IN ADDITION...A FLASH FLOO\D WARNING CONTINUES FOR THE COLUMBIA AND BOONE
COUNTY AREA UNTIL 515 THIS MORNING.

TRUETT
Local storm report, May 17, 1:53 AM CDT, 2 hours 47 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
150 AM CDT WED MAY 17 1995

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

645 PM     VARIOUS                   MO   WINDOWS BROKEN AND TREE
5/16/95    SHELBY                         LIMBS DOWN. RPTD BY
                                          COUNTY SHERIFF

650 PM     2S SHELBYVILLE            MO   FOUR BARNS DAMAGED AND
5/16/95    SHELBY                         LARGE TREES DOWN. RPTD BY
                                          COUNTY SHERIFF

720 PM     ROCHEPORT                 MO   SEVERAL LARGE TREES DOWN
5/16/95    BOONE                          BARN WAS DEMOLISHED

730 PM     2W COLUMBIA               MO   LARGE TREES LIMBS DOWN
5/16/95    BOONE                          RPTD BY COLUMBIA EOC

750 PM     NEW LONDON                MO   LARGE TREES DOWN
5/16/95    RALLS                          RPTD BY COUNTY SHERIFF

805 PM     FULTON                    MO   LARGE TREES DOWN
5/16/95    CALLAWAY                       RPTD BY COUNTY SHERIFF

805 PM     EAST/SOUTH OF QUINCY      IL   FUNNEL CLOUD - VARIOUS
5/16/95    ADAMS                          REPORTS THRU 815 PM

815 PM     VARIOUS                   MO   FLASH FLOODING THRU 11 PM
5/16/95    SHELBY                         WITH SEVERAL ROADS CLOSED

820 PM     EAST HANNIBAL             IL   LARGE TREES DOWN
5/16/95    PIKE                           RPTD BY IL STATE POLICE

827 PM     SOUTHERN PART             MO   FLASH FLOODING THRU 11 PM
5/16/95    KNOX                           WITH SEVERAL ROADS CLOSED

840 PM     MONTGOMERY CITY           MO   LARGE TREES DOWN AND MINOR
5/16/95    MONTGOMERY                     STREET FLOODING
                                          RPTD BY HAM RADIO SPOTTERS

855 PM     WRIGHT CITY               MO   STREET FLOODING
5/16/95    WARREN                         RPTD BY HAM RADIO SPOTTERS

858 PM     CHESTERFIELD              MO   WIND GUST OF 55 KNTS/63 MPH
5/16/95    ST LOUIS                       RPTD AT SPIRIT OF ST LOUIS
                                          AIRPORT

902 PM     CHESTERFIELD              MO   POWER LINES DOWN. RPTD BY
5/16/95    ST LOUIS                       CHESTERFIELD POLICE

920 PM     LITCHFIELD                IL   FUNNEL CLOUD
5/16/95    MONTGOMERY                     RPTD BY IL STATE POLICE

920 PM     VARIOUS CITIES            MO   MANY TREES AND POWER LINES
5/16/95    ST LOUIS                       DOWN. RPTD BY HAM RADIO
                                          SPOTTERS

923 PM     ALTON                     IL   POWER LINES DOWN
5/16/95    MADISON                        RPTD BY HAM RADIO SPOTTERS

925 PM     ST LOUIS                  MO   POWER LINES AND OUTAGES
5/16/95    CITY                           RPTD BY LOCAL MEDIA

930 PM     ST LOUIS                  MO   NUMEROUS LARGE TREES DOWN
5/16/95    CITY                           RPTD BY STREET DEPT.

930 PM     EAST ALTON                IL   4 TO 5 INCH DIAMETER TREE
5/16/95    MADISON                        LIMBS DOWN. RPTD BY HAM
                                          RADIO SPOTTERS

933 PM     CLAYTON                   MO   FLASH FLOODING WITH TREES
5/16/95    ST LOUIS                       AND POWER LINES DOWN. RPTD
                                          BY HAM RADIO SPOTTERS

945 PM     SWANSEA                   IL   POWER LINES DOWN
5/16/95    ST CLAIR                       RPTD BY HAM RADIO SPOTTERS

955 PM     SCOTT AFB                 IL   LARGE TREES DOWN
5/16/95    ST CLAIR                       RPTD BY HAM RADIO SPOTTERS

955 PM     BELLEVILLE                IL   POWER LINES DOWN
5/16/95    ST CLAIR

955 PM     O'FALLON                  IL   POWER LINES DOWN
5/16/95    ST CLAIR                       RPTD BY HAM RADIO SPOTTERS

958 PM     EDWARDSVILLE              IL   LARGE TREE LIMBS BLOCKING
5/16/95    MADISON                        LANES ON HWY 159
                                          RPTD BY HAM RADIO SPOTTERS

1005 PM    FENTON                    MO   HEAVY RAIN
5/16/95    ST LOUIS                       1.8 INCHES IN AN HOUR

1005 PM    MASCOUTAH                 IL   ROOF COLLAPSED...POWER
5/16/95    ST CLAIR                       LINES DOWN AND TREES
                                          BLOCKING ROADS. RPTD BY
                                          HAM RADIO SPOTTERS

1006 PM    MARINE                    IL   POWER LINES DOWN
5/16/95    MADISON                        RPTD BY HAM RADIO SPOTTERS

1008 PM    MASCOUTAH                 IL   LARGE TREES DOWN...ROOF
5/16/95    ST CLAIR                       COLLAPSED AT APT.COMPLEX
                                          RPTD BY HAM RADIO SPOTTERS

1015 PM    BREESE                    IL   POWER LINES DOWN
5/16/95    CLINTON                        RPTD BY COUNTY SHERIFF

1040 PM    JENNINGS                  MO   FLASH FLOODING AND SEWERS
5/16/95    ST LOUIS                       BACKING UP. RPTD BY COUNTY
                                          OFFICIALS

SHEA
Special weather statement, May 17, 2:59 AM CDT, 1 hour 41 minutes before
MOZ055-170900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
258 AM CDT WED MAY 17 1995

...THE SEVERE THUNDERSTORM WARNING FOR BENTON COUNTY HAS EXPIRED...

...THERE IS STILL A SEVERE THUNDERSTORM WATCH IN EFFECT...

AT 0245 CDT RADAR INDICATED THE SEVERE THUNDERSTORM THAT WAS AFFECTING
BENTON COUNTY HAS MOVED EAST. HOWEVER OTHER LESS INTENSE STORMS WILL
CONTINUE TO PASS ACROSS SOUTH CENTRAL MISSOURI THROUGH WEDNESDAY.

SHELDON

&
Special weather statement, May 17, 3:30 AM CDT, 1 hour 10 minutes before
ILZ075-080-074-170915-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
328 AM CDT WED MAY 17 1995

...STRONG THUNDERSTORMS MOVING THROUGH SOUTHWEST ILLINOIS...

AT 325 AM...WEATHER SERVICE DOPPLER RADAR INDICATED A SMALL CLUSTER OF
STRONG THUNDERSTORMS OVER SOUTHWEST ILLINOIS.  THE STORMS EXTENDED FROM
15 MILES NORTHWEST OF MOUNT VERNON...TO JUST NORTHWEST OF
PINCKNEYVILLE...AND WERE MOVING EAST AT 35 MILES AN HOUR.

THE STORMS IN THIS NARROW LINE WILL BE PRODUCING BRIEF BUT VERY HEAVY
DOWNPOURS...AND WIND GUSTS OF 30 TO 40 MILES AN HOUR...AS THEY MOVE
THROUGH EASTERN WASHINGTON...JEFFERSON..AND NORTHERN PERRY COUNTIES IN
ILLINOIS BETWEEN 325 AND 415 AM THIS MORNING.

TRUETT
Special weather statement, May 17, 4:11 AM CDT, 29 minutes before
MOZ072-073-171000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
410 AM CDT WED MAY 17 1995

...THUNDERSTORMS WITH HEAVY RAINS AND GUSTY WINDS MOVING THROUGH
CRAWFORD COUNTY...

AT 410 AM...WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH
HEAVY RAINS AND GUSTY WINDS OVER CRAWFORD COUNTY...IN THE CUBA AND
STEELEVILLE AREAS.

THIS STORM WAS MOVING EAST AT 35 MILES AN HOUR...AND WILL MOVE INTO
WASHINGTON COUNTY BETWEEN 415 AND 5 AM....AND REACH THE POTOSI AREA
BETWEEN 430 AND 445 PM.

1 TO 2 INCHES OF RAIN WILL OCCUR IN A SHORT PERIOD OF TIME AS THIS STORM
PASSES THROUGH AN AREA...AND WIND GUSTS OF 40 TO 50 MILES AN HOUR ARE
ALSO POSSIBLE.

TRUETT/SHEA

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 7:36 PM CDTSevere Thunderstorm WarningLSXPike54 min
May 16, 7:47 PM CDTSevere Thunderstorm WarningLSXCallaway43 min
May 16, 8:11 PM CDTSevere Thunderstorm WarningLSXMontgomery49 min
May 16, 9:01 PM CDTSevere Thunderstorm WarningLSXSaint Louis, City of Saint Louis44 min
May 16, 11:11 PM CDTSevere Thunderstorm WarningLSXBoone49 min
May 17, 12:15 AM CDTFlash Flood WarningLSXBoone, Callaway, Cole, Moniteau5 hr
May 17, 12:15 AM CDTFlash Flood WarningLSXAudrain, Montgomery5 hr
May 17, 1:53 AM CDTSevere Thunderstorm WarningLSXMoniteau37 min
May 17, 2:22 AM CDTFlash Flood WarningLSXSaint Louis, City of Saint Louis6 hr
May 17, 2:22 AM CDTFlash Flood WarningLSXJefferson6 hr
May 17, 2:22 AM CDTFlash Flood WarningLSXSaint Charles6 hr
May 17, 2:22 AM CDTFlash Flood WarningLSXFranklin, Lincoln, Warren6 hr
May 17, 4:20 AM CDTSevere Thunderstorm WarningLSXWashington40 min

Nearby

Severe Thunderstorm Warnings in Missouri, 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.