Alert archive / Missouri / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 43, NWS St. Louis, MO

May 16, 1990Franklin County, Warren County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 16, 1990, 2:26 PM CDT for Franklin County, Warren County, Missouri. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
May 16, 1990, 2:26 PM CDT (19:26 UTC)
Expired
May 16, 1990, 3:09 PM CDT
In force
43 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Franklin County, MO, Warren County, MO

The radar

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

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 7.4 hours before the alert went out and 271 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, Paducah/Barkley, KY at 12:00Z on 1990-05-16Temperature 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, Paducah/Barkley, KY at 12:00Z on 1990-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 291 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
NaN m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
291 m²/s²
0-3 km storm-relative helicity
279 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 161927
SVRSTL
MOC071-219-162030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
226 PM CDT WED MAY 16 1990
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN EAST CENTRAL MISSOURI
          ...NORTHERN FRANKLIN...SOUTHERN WARREN
 
AT 225 PM A SEVERE THUNDERSTORM WAS LOCATED NEAR HERMANN
ALONG THE FRANKLIN GASCONADE COUNTY BORDERS. THIS WAS
40 MILES DUE WEST OF ST. LOUIS.  THIS STORM IS LIKELY TO
PRODUCE HAIL...FREQUENT LIGHTNING...AND GUSTY WINDS AS IT
MOVES EAST AT 35 MPH.  IT SHOULD MOVE CLOSE TO THE
COMMUNITIES OF NEW HAVEN...MARTHASVILLE AND WASHINGTON
BETWEEN 230 AND 330 PM.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSzED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
FELDT

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, 8:37 AM CDT, 5 hours 49 minutes before
MOZALL-ILZ009>012-161230-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ST LOUIS MO
835 AM CDT WED MAY 16 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHEAST MISSOURI AND
SOUTHERN ILLINOIS UNTIL 9 AM CDT...
...A FLASH FLOOD WATCH REMAINS POSTED TODAY FOR MOST OF MISSOURI EXCEPT
THE NORTHWEST AND BOOTHEEL...

AT 830 AM CDT...A FEW THUNDERSTORMS WITH HEAVY RAIN WERE LOCATED 50
MILES SOUTH TO 50 MILES SOUTHEAST OF ST LOUIS MO..BETWEEN POTOSI
MISSOURI AND SALEM ILLINOIS.

THE THUNDERSTORMS WERE IN A NEARLY SOLID AREA OF RAINSHOWERS COVERING
MOST OF THE SOUTHEAST QUARTER OF MISSOURI EXTENDING NORTHEASTWARD AND
COVERING MOST OF THE SOUTH THIRD OF ILLINOIS.

EXCESSIVE RAINFALL AMOUNTS HAVE OCCURRED OVERNIGHT...NUMEROUS REPORTS
OF FLOODING OF LOW LYING AREAS HAVE BEEN REPORTED.

THE STORMS AND SHOWERS WERE MOVING TO THE EAST AT 45 MILES AN HOUR.

RADAR NOWCAST...SHOWERS AND THUNDERSTORMS WILL {CONTINUE OVER MUCH OF
MISSOURI AND ILLINOIS TODAY. THEY WILL DIMINISH IN NORTHWEST MISSOURI
THIS AFTERNOON.
FMD
Special weather statement, May 16, 1:42 PM CDT, 44 minutes before
MOZ011-012-161930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
140 PM CDT WED MAY 16 1990

...THUNDERSTORMS CONTINUE TO BUILD ACROSS CENTRAL MISSOURI...

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MOST OF THE STATE AND A
TORNADO WATCH IS IN EFFECT FOR SOUTHWEST MISSOURI.

AT 130 PM...AN AREA OF THUNDERSTORMS CONTINUED TO DEVELOP ACROSS THE
MIDDLE PART OF THE STATE FROM ST LOUIS TO JEFFERSON CITY.  HEAVY RAIN
WAS INDICATED NORTHWEST OF ROLLA...AND BETWEEN COLUMBIA AND LAKE OF
THE OZARKS.

THESE THUNDERSTORMS ARE MOVING ACROSS ALREADY FLOODED CREEKS AND
STREAMS AND WILL RESULT IN ADDITIONAL FLOODING.

THE THUNDERSTORMS ARE MOVING EAST AND WILL TEND TO MOVE INTO THE 7ST
LOUIS METRO AREA BY MID OR LATE AFTERNOON INCREASING THE CHANCES FOR
RAIN.

FELDT
Local storm report, May 16, 1:51 PM CDT, 35 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
153 PM CDT WED MAY 16 1990

..INFORMATION ON STORM REPORTS...

A COMPLETE STORM REPORT WILL BE ISSUED WHEN TIME ALLOWS.  GENERALLY...
ALMOST EVERY COUNTCY FROM WARREN COUNTY MISSOURI TO EFFINGHAM
COUNTY...ILLINOIS AND FROM MARIAN COUNTY SOUTH THROUGH JEFFERSON
COUNTY RECEIVED LARGE HAIL AND/OR DAMAGING WIND.

TUCKER

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 11:05 PM CDTSevere Thunderstorm WarningLSXMarion, Ralls25 min
May 15, 11:35 PM CDTSevere Thunderstorm WarningLSXPike40 min
May 15, 11:51 PM CDTSevere Thunderstorm WarningLSXLincoln54 min
May 16, 1:02 AM CDTSevere Thunderstorm WarningLSXLincoln, Warren43 min
May 16, 1:14 AM CDTSevere Thunderstorm WarningLSXSaint Charles46 min
May 16, 3:33 AM CDTSevere Thunderstorm WarningLSXJefferson27 min
May 16, 4:08 AM CDTSevere Thunderstorm WarningLSXLincoln37 min
May 16, 4:45 AM CDTFlash Flood WarningLSXLincoln, Saint Charles, Warren4 hr
May 16, 2:55 PM CDTSevere Thunderstorm WarningLSXSaint Charles14 min
May 16, 2:55 PM CDTSevere Thunderstorm WarningLSXSaint Louis50 min
May 16, 3:47 PM CDTFlash Flood WarningLSXSaint Charles7 hr
May 16, 3:47 PM CDTFlash Flood WarningLSXLincoln, Warren7 hr
May 16, 3:47 PM CDTFlash Flood WarningLSXFranklin, Saint Louis7 hr
May 16, 3:47 PM CDTFlash Flood WarningLSXCity of Saint Louis7 hr
May 16, 4:54 PM CDTSevere Thunderstorm WarningLSXCrawford, Phelps36 min
May 16, 4:56 PM CDTTornado WarningLSXSaint Louis22 min
May 16, 5:09 PM CDTSevere Thunderstorm WarningLSXCity of Saint Louis51 min
May 16, 5:23 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Saint Louis52 min
May 16, 5:23 PM CDTSevere Thunderstorm WarningLSXCity of Saint Louis52 min
May 16, 5:29 PM CDTSevere Thunderstorm WarningLSXCrawford, Washington61 min
May 16, 6:07 PM CDTSevere Thunderstorm WarningLSXSainte Genevieve, Saint Francois53 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1990Every severe thunderstorm warning in 1990

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.