Alert archive / Missouri / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 18, NWS St. Louis, MO

April 19, 1992Marion County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Apr 19, 1992, 7:10 PM CDT for Marion County, Missouri. It was in force for 41 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
Apr 19, 1992, 7:10 PM CDT (00:10 UTC)
Expired
Apr 19, 1992, 7:51 PM CDT
In force
41 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Marion County, MO

What was reported inside it

TimeReportWhereRemark
Apr 19, 7:15 PM CDTHail 0.75Marion, 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

Topeka, KS (KTOP), launched 00:00Z, 0.2 hours before the alert went out and 357 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, Topeka, KS at 00:00Z on 1992-04-20Temperature 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, Topeka, KS at 00:00Z on 1992-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
897 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 200012
SVRSTL
ILC001-MOC127-200100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
710 PM CDT SUN APR 19 1992
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL ILLINOIS
 
   ...WESTERN ADAMS COUNTY
 
 
IN NORTHEAST MISSOURI
 
   ...EASTERN MARION COUNTY
 
AT 710 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM OVER SOUTHEAST
MARION COUNTY OVER HANNIBAL MISSOURI...10 MILES SOUTHWEST OF QUINCY
ILLINOIS. THE STORM WAS MOVING NORTHEAST AT 35 MILES AN HOUR.
 
THE STORM WILL BE MOVING OVER THE TOWNS OF HANNIBAL MISSOURI AND THE
ILLINOIS TOWNS OF QUINCY...URSA...AND LORAINE BY 8 PM.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
DLF

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, Apr 19, 5:47 PM CDT, 1 hour 23 minutes before
MOZ017-018-192345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
546 PM CDT SUN APR 19 1992

...A THUNDERSTORM WITH VERY HEAVY RAIN HAD DEVLOPED OVER SOUTHEAST
MISSOURI...

AT 540 PM CDT...RADAR INDICATED A STRONG THUNDERSTORM OVER DENT
COUNTY...20 MILES SOUTHEAST OF ROLLA.  THE STORM WAS IN THE SALEM
VICINITY AND WAS MOVING NORTH AT 30 MILES AN HOUR.

THE DENT COUNTY SHERIFFS OFFICE AT SALEM REPORTED VERY HEAVY RAINS AT
53;5 PM.  THIS STORM WILL BE NEAR SULLIVAN IN NORTHERN CRAWFORD COUNTY BY
645 PM. PEOPLE IN BANGERT...STEELVILLE...COOK STATION...AND SULLIVAN
CAN EXPECT BRIEF DOWNPOURS...SMALL HAIL AND WIND GUSTS UPTO 40 MPH
BETWEEN 545 AND 645 PM.

FERRY
Special weather statement, Apr 19, 6:51 PM CDT, 19 minutes before
MOZ007-ILZ009-200045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
649 PM CDT SUN APR 19 1992

...STRONG THUNDERSTORMS WITH HEAVY RAIN AND HAIL WERE OVER NORTHEAST
MISSOURI...

AT 645 PM...RADAR INDICATED THESE STORMS 15 MILES NORTHWEST OF QUINCY
ILLINOIS OVER CANTON MISSOURI AND 20 MILES SOUTHWEST OF QUINCY NEAR
NEW LONDON MISSOURI.  THE CANTON POLICE REPORTED MABLE SIZE HAIL AT
640 PM CDT.

THE STORMS WERE MOVING NORTH AT 35 MILES AN HOUR.  THE STORM OVER CANTON
MISSOURI WILL BE MOVING INTO HANCOCK COUNTY ILLINOIS BY 715 PM.  THE
STORM OVER NEW LONDON MISSOURI WILL BE NORTHEAST OF QUINCY ILLINOIS NEAR
CAMP POINT BY 745 PM.  PEOPLE IN THE TOWNS OF HANNIBAL MISSOURI...HULL
ILLINOIS AND QUINCY ILLINOIS CAN EXPECT BRIEF HEAVY DOWNPOURS...HAIL AND
WIND GUSTS UP TO 40 MPH  BETWEEN 645 PM AND 745 PM CDT.

PEOPLE IN THE VICINITY OF THESE STORMS SHOULD MOVE INSIDE A SAFE
STRUCTURE AND MONITOR THE LATEST WEATHER CONeDITIONS ON NOAA WEATHER
RADIO OR YOUR LOCAL RADIO AND T.V. STATIONS.

FERRY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 12:32 AM CDTFlash Flood WarningLSXCrawford, Iron, Washington6 hr
Apr 20, 12:32 AM CDTFlash Flood WarningLSXDent, Reynolds6 hr
Apr 20, 2:49 AM CDTFlash Flood WarningLSXMadison5 hr
Apr 20, 3:54 PM CDTSevere Thunderstorm WarningLSXLincoln, Saint Charles51 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1992Every severe thunderstorm warning in 1992

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.