Alert archive / Missouri / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 105, NWS St. Louis, MO

May 14, 1996Franklin County, Gasconade County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 14, 1996, 6:16 PM CDT for Franklin County, Gasconade County, Missouri. It was in force for 44 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
May 14, 1996, 6:16 PM CDT (23:16 UTC)
Expired
May 14, 1996, 7:00 PM CDT
In force
44 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Franklin County, MO, Gasconade County, MO

The radar

The St Louis radar (KLSX), 61 km from the middle of the area, began a volume at 23:15 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 14, 7:08 PM CDTHail 0.75Union, 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

Springfield, MO (KSGF), launched 12:00Z, 11.3 hours before the alert went out and 278 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 1996-05-14Temperature 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, Springfield, MO at 12:00Z on 1996-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 square meters per square second.193958Sfc1 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
728 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
416 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 142316
SVRSTL
MOC073-071-150000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
616 PM CDT TUE MAY 14 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MISSOURI
 
   ...SOUTHERN GASCONADE COUNTY
 
IN EAST CENTRAL MISSOURI
 
   ...SOUTHERN FRANKLIN COUNTY
 
AT 615 PM...RADAR INDICATED A CLUSTER OF SEVERE THUNDERSTORMS LOCATED
FROM OWENSVILLE TO SULLIVAN. THE STORMS WERE MOVING EAST AT 35 MPH...AND
WILL BE AFFECTING SULLIVAN...MERAMEC STATE PARK...AND ST CLAIR.
 
THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS.,..HAIL
AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS.
 
TRUETT/FERRY

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 14, 12:43 PM CDT, 5 hours 33 minutes before
MOZ042-041-050-010-048-072-062-059-084-018-019-052-085-027-047-
051-034-049-036-035-099-061-075-074-063-064-009-026-060-073-ILZ095-
064-096-098-069-065-058-099-059-100-070-102-060-097-079-101-074-
MOZ065-142300-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
1240 PM CDT TUE MAY 14 1996

THIS OUTLOOK AREA COVERS MOST OF THE COUNTY WARNING AREA OF THE
NATIONAL WEATHER SERVICE OFFICE IN ST. LOUIS. AREAS INCLUDED ARE THE
CENTRAL...NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS.  COUNTIIES
COVERED BY THIS OUTLOOK ARE ALL COUNTIES INCLUDING AND NORTH OF
GASCONADE...FRANKLIN AND ST. LOUIS COUNTY IN MISSOURI...AND MADISON
AND MONTGOMERY IN ILLINOIS.

THE CITIES COVERED BY THIS OUTLOOK AREA INCLUDE COLUMBIA...JEFFERSON
CITY...MEXICO...HANNIBAL...ST. CHARLES IN MISSOURI...AND QUINCY AND
CARLINVILLE IN ILLINOIS.
<
..................................................................

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS THROUGHOUT ALL OF EASTERN
MISSOURI AND SOUTHWEST ILLINOIS THIS AFTERNOON AND TONIGHT.

SHOWERS AND THUNDERSTORMS EXTENDING FROM NORTHWEST...THROUGH CENTRAL
...INTO SOUTHEAST MISSOURI AT MIDDAY WILL SLOWLY DRIFT EASTWARD...
MOVING INTO THE BI-STATE AREA BY MID AFTERNOON...AND INTO
SOUTHWEST ILLINOIS BY LATE THIS AFTERNOON.

THE WARM AND UNSTABLE AIR FEEDING THESE STORMS MAY PRODUCE...LARGE
HAIL...DAMAGING WINDS...AND VERY HEAVY RAIN.

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

TRUETT

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 2:11 PM CDTSevere Thunderstorm WarningLSXBoone49 min
May 14, 5:34 PM CDTSevere Thunderstorm WarningLSXFranklin26 min
May 14, 6:10 PM CDTSevere Thunderstorm WarningLSXIron35 min
May 14, 6:27 PM CDTFlash Flood WarningLSXJefferson3 hr
May 14, 6:37 PM CDTSevere Thunderstorm WarningLSXCrawford, Iron, Saint Francois, Washington53 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.