Alert archive / Missouri / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 88, NWS St. Louis, MO

May 4, 1996Reynolds County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 4, 1996, 9:30 AM CDT for Reynolds County, Missouri. It was in force for 15 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
May 4, 1996, 9:30 AM CDT (14:30 UTC)
Expired
May 4, 1996, 9:45 AM CDT
In force
15 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Reynolds County, MO

The radar

The St Louis radar (KLSX), 151 km from the middle of the area, began a volume at 14:31 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.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 2.5 hours before the alert went out and 256 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 1996-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1200 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 1996-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
1200 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
651 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
71 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 041432
SVRSTL
MOC179-041445-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
930 AM CDT SAT MAY 4 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  945 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST MISSOURI
 
   ...SOUTHERN REYNOLDS COUNTY
 
AT 930 AM RADAR SHOWED A SEVERE THUNDERSTORM OVER EXTREME SOUTH REYNOLDS
COUNTY. THE STORM WAS MOVING SOUTHEAST AT 3O MILES AN HOUR.
 
THE STORM HAS INTENSIFIED RAPIDLY THE PAST 15 MINUTES AN WILL LIKELY
PRODUCE HAIL TO GOLF BALL SIZE ALONG WITH GUSTY WINDS AND HEAVY RAIN.
 
THE STORM WILL MOVE OVER CLEARWATER LAKE BY 945 AM.
 
JPK

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 8:57 PM CDTSevere Thunderstorm WarningLSXKnox, Lewis48 min
May 3, 9:25 PM CDTSevere Thunderstorm WarningLSXMarion35 min
May 4, 7:15 AM CDTSevere Thunderstorm WarningLSXCallaway45 min
May 4, 8:15 AM CDTSevere Thunderstorm WarningLSXReynolds45 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; radar from the NEXRAD Level II archive.