Alert archive / Missouri / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 80, NWS St. Louis, MO

May 3, 1996Saint Louis County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 3, 1996, 4:55 PM CDT for Saint Louis County, Missouri. It was in force for 20 min. 2 reports 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
May 3, 1996, 4:55 PM CDT (21:55 UTC)
Expired
May 3, 1996, 5:15 PM CDT
In force
20 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Saint Louis County, MO

The radar

The St Louis radar (KLSX), 22 km from the middle of the area, began a volume at 21:55 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.

What was reported inside it

TimeReportWhereRemark
May 3, 5:03 PM CDTHail 1Florissant, MO
May 3, 5:03 PM CDTHail 1Spanish Lake, 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.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.9 hours before the alert went out and 231 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 12:00Z on 1996-05-03Temperature 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, Lincoln, IL at 12:00Z on 1996-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939587897117Sfc1 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
1179 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
175 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 032156
SVRSTL
MOC189-032215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
455 PM CDT FRI MAY 3 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MISSOURI
 
   ...NORTHEASTERN ST. LOUIS COUNTY
 
AT 450 THE SEVERE STORM NEAR ALTON IL HAS DEVELOPED FURTHER SOUTH INTO
NORTH ST. LOUIS COUNTY.
 
SPANISH LAKE...AND BELLEFONTAINE NEIGHBORS ARE IN THE PATH OF THIS STORM 
THE STORM HAS PRODUCED GOLF BALL SIZE HAIL IN NORTH ST. CHARLES COUNTY
 
THIS STORM HAS A HISTORY OF DAMAGING HAIL. STAY INSIDE AND AWAY
FROM WINDOWS.
 
JPK
&

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 9:01 PM CDTSevere Thunderstorm WarningLSXReynolds44 min
May 2, 10:27 PM CDTSevere Thunderstorm WarningLSXJefferson33 min
May 2, 11:09 PM CDTSevere Thunderstorm WarningLSXSainte Genevieve36 min
May 3, 1:06 AM CDTSevere Thunderstorm WarningLSXReynolds54 min
May 3, 4:11 PM CDTSevere Thunderstorm WarningLSXLincoln34 min
May 3, 4:23 PM CDTSevere Thunderstorm WarningLSXSaint Charles22 min
May 3, 4:42 PM CDTSevere Thunderstorm WarningLSXSaint Charles48 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.