Alert archive / Missouri / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 229, NWS St. Louis, MO

October 17, 1996Gasconade County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Oct 17, 1996, 2:12 PM CDT for Gasconade County, Missouri. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 17, 1996, 2:12 PM CDT (19:12 UTC)
Expired
Oct 17, 1996, 2:45 PM CDT
In force
33 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Gasconade County, MO

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 7.2 hours before the alert went out and 265 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, Springfield, MO at 12:00Z on 1996-10-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 943 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, Springfield, MO at 12:00Z on 1996-10-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 424 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
943 J/kg
Mixed-layer CIN
-264 J/kg
Mixed-layer LCL
938 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
424 m²/s²
0-3 km storm-relative helicity
414 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 171913
SVRSTL
MOC073-171945-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
212 PM CDT THU OCT 17 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  245 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MISSOURI
 
   ...GASCONADE COUNTY
 
TOWNS IN THE PATH INCLUDE HERMANN...DRAKE...AND MT STERLING.
 
NWS RADAR INDICATED A COUPLE OF SEVERE THUNDERSTORMS IN OR MOVING INTO
GASCONADE COUNTY. ONE STORM OVER EXTREME SOUTHEAST OSAGE COUNTY PRODUCED
3/4 INCH HAIL IN THE TOWN OF BELLE. THE STORMS WERE MOVING NORTHEAST AT
35 MPH.
 
THESE STORMS WILL LIKELY PRODUCE HAIL UP TO 1 INCH...VERY HEAVY
RAIN...AND WIND GUSTS AROUND 60 MPH.
 
JPK
&

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, 11:06 AM CDT, 3 hours 6 minutes before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ009-010-018-019-026-
027-034>036-041-042-047>052-059>065-072>075-084-085-099-172100-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
1100 AM CDT THU OCT 17 1996

THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NWS OFFICE
IN ST LOUIS.  AREAS INCLUDED ARE PARTS OF CENTRAL...NORTHEAST AND
EAST CENTRAL MISSOURI...AND SOUTHWEST ILLINOIS.

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS ALONG AND SOUTHEAST
OF A LINE FROM THE ST LOUIS METROPOLITAN AREA TO ROLLA THIS
AFTERNOON AND EVENING.

ALSO...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS IN EAST
CENTRAL AND SOUTH CENTRAL MISSOURI AND IN WEST CENTRAL AND SOUTHWEST
ILLINOIS FOR THIS AFTERNOON AND EVENING.

STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISED OF
THE LATEST FORECAST FOR POSSIBLE SKYWARN ACTION.

AMS

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 17, 1:23 PM CDTSevere Thunderstorm WarningLSXOsage37 min
Oct 17, 2:38 PM CDTSevere Thunderstorm WarningLSXWarren52 min
Oct 17, 2:52 PM CDTSevere Thunderstorm WarningLSXCrawford38 min
Oct 17, 3:19 PM CDTSevere Thunderstorm WarningLSXFranklin41 min
Oct 17, 3:56 PM CDTSevere Thunderstorm WarningLSXJefferson49 min
Oct 17, 4:31 PM CDTSevere Thunderstorm WarningLSXWashington44 min
Oct 17, 5:09 PM CDTSevere Thunderstorm WarningLSXReynolds36 min
Oct 17, 5:52 PM CDTSevere Thunderstorm WarningLSXIron38 min
Oct 17, 6:03 PM CDTSevere Thunderstorm WarningLSXMadison42 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1996Every severe thunderstorm warning in 1996

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.