Alert archive / Missouri / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 50, NWS St. Louis, MO

October 17, 1988Saint Francois County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Oct 17, 1988, 8:59 PM CDT for Saint Francois County, Missouri. It was in force for 31 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Oct 17, 1988, 8:59 PM CDT (01:59 UTC)
Expired
Oct 17, 1988, 9:30 PM CDT
In force
31 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Saint Francois County, MO

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Oct 17, 9:15 PM CDTHail 1St. Francois, MO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Salem-Leckrone, IL (KSLO), launched 00:00Z, 2.0 hours before the alert went out and 166 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, Salem-Leckrone, IL at 00:00Z on 1988-10-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 614 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, Salem-Leckrone, IL at 00:00Z on 1988-10-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 344 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
614 J/kg
Mixed-layer CIN
-187 J/kg
Mixed-layer LCL
1371 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
344 m²/s²
0-3 km storm-relative helicity
543 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

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, Oct 17, 6:03 PM CDT, 2 hours 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
600 PM CDT MON OCT 17 1988

...TORNADO WATCH FOR SOUTH CENTRAL AND EAST MISSOURI...CENTRAL AND
SOUTHERN ILLINOIS UNTIL 11PM CDT...

JUST BEFORE 6 PM THUNDERSTORMS CONTINUED TO DEVELOP AND STRENGTHEN
ALONG A LINE FROM JUST NORTHWEST OF DECATUR ILLINOIS TO JUST NORTHWEST
OF JERSEYVILLE ILLINOIS...ABOUT 30 MILES NORTH OF ST LOUIS...ACROSS
THE MISSISSIPPI RIVER TO JUST WEST OF WARRENTON MISSOURI.  OTHER
VERY STRONG THUNDERSTORMS WERE WIDELY SCATTERED FROM AROUND
SPRINGFIELD ILLINOIS TO THE AREA BETWEEN COLUMBIA AND SEDALIA
MISSOURI.

THE STORMS WERE MOVING TO THE EAST AT 40 MILES AN HOUR AND WILL
PRODUCE VERY HEAVY RAIN...STRONG WINDS...FREQUENT LIGHTNING AND
POSSIBLY HAIL.

VERY STRONG THUNDERSTORMS WILL PUSH INTO THE NORTH AND WEST PARTS
OF THE ST LOUIS METROPOLITAN AREA BETWEEN 630 AND 7 PM AND CONTINUE
PUSHING SOUTHEAST ACROSS THE METRO AREA FROM 7 TO 8 PM.

MCCARTHY
Special weather statement, Oct 17, 6:31 PM CDT, 2 hours 28 minutes before
RADAR SUMMARY AND SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
630 PM CDT MON OCT 17 1988

...TORNADO WATCH FOR SOUTH CENTRAL AND EAST MISSOURI...CENTRAL AND
SOUTH ILLINOIS UNTIL 11PM CDT...

AT 630 PM...A BAND OF STRONG THUNDERSTORMS WITH HEAVY RAIN...STRONG
GUSTY WINDS AND POSSIBLE HAIL...STRETCHED FROM CENTRAL MISSOURI TO
EAST CENTRAL ILLINOIS.

THESE STORMS STRETCHED FROM COLUMBIA MISSOURI TO 25 MILES SOUTHWEST
OF CHAMPAIGN ILLINOIS.

THE STORMS WERE MOVING TO THE EAST AT 40 MILES AN HOUR.

RADAR NOWCAST...STRONG STORMS IN CENTRAL MISSOURI WERE IN AN AREA
BETWEEN COLUMBIA AND JEFFERSON CITY MISSOURI AND IN ILLINOIS FROM JUST
NORTH OF ALTON TO DECATUR.
FMD
Special weather statement, Oct 17, 7:05 PM CDT, 1 hour 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
700 PM CDT MON OCT 17 1988

...TORNADO WATCH CONTINUES UNTIL 11 PM FOR SOUTH CENTRAL AND PARTS OF
EAST CENTRAL MISSOURI INTO CENTRAL AND SOUTHERN ILLINOIS...

THE WATCH IS NO LONGER IN EFFECT FOR THAT PART OF MISSOURI NORTH OF
A LINE FROM 10 MILES SOUTH OF SEDALIA...TO 10 MILES SOUTH OF COLUMBIA
TO ELSBERRY MISSOURI...50 MILES NORTHWEST OF ST LOUIS.

JUST BEFORE 7 PM VERY STRONG THUNDERSTORMS WERE IN A BAND FROM DECATUR
ILLINOIS TO JUST EAST OF LITCHFIELD ILLINOIS...50 MILES NORTHEAST OF
ST LOUIS...THROUGH THE NORTHWEST SECTIONS OF THE ST LOUIS METROPOLITAN
AREA...TO AROUND JEFFERSON CITY MISSOURI.  THE STORMS WERE MOVING TO
THE EAST AT 40 MPH AND WILL CONTINUE TO PRODUCE HEAVY RAIN...FREQUENT
LIGHTNING...STRONG WINDS AND POSSIBLY HAIL.

JUST AFTER 630 PM AMATEUR RADIO OPERATORS REPORTED 50 MPH WINDS AND
PEA SIZE HAIL AT GODFREY ILLINOIS...ABOUT 20 MILES NORTH OF ST LOUIS.

MCCARTHY
Local storm report, Oct 17, 7:27 PM CDT, 1 hour 32 minutes before
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Special weather statement, Oct 17, 8:05 PM CDT, 54 minutes before
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Special weather statement, Oct 17, 8:46 PM CDT, 13 minutes before
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  <link rel="stylesheet" href="index.css">
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  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 17, 7:15 PM CDTSevere Thunderstorm WarningLSXSaint Charles, Saint Louis, City of Saint Louis45 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1988Every severe thunderstorm warning in 1988

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.