Alert archive / Missouri / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 111, NWS St. Louis, MO

May 14, 1996Jefferson County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 14, 1996, 8:59 PM CDT for Jefferson County, Missouri. It was in force for 31 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 14, 1996, 8:59 PM CDT (01:59 UTC)
Expired
May 14, 1996, 9:30 PM CDT
In force
31 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Jefferson County, MO

The radar

The St Louis radar (KLSX), 50 km from the middle of the area, began a volume at 02:02 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

Lincoln, IL (KILX), launched 00:00Z, 2.0 hours before the alert went out and 268 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 00:00Z on 1996-05-15Temperature 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 00:00Z on 1996-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 210 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1172 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
210 m²/s²
0-3 km storm-relative helicity
673 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 150200
SVRSTL
MOC099-150230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
859 PM CDT TUE MAY 14 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  930 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MISSOURI
 
   ...JEFFERSON COUNTY
 
AT 859 PM...RADAR INDICATED A SEVERE THUNDERSTORM OVER JEFFERSON
COUNTY...JUST WEST OF HILLSBORO.
 
THIS STORM WAS MOVING SOUTHEAST AT 30 MPH.  HILLSBORO AND DESOTO ARE RIN
THE PATH OF THIS STORM.
 
THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAIL
AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS.
 
TRUETT/METZE /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, 7:40 PM CDT, 1 hour 19 minutes before
MOZ009-010-018-019-026-027-034>036-041-042-047>050-150230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
736 PM CDT TUE MAY 14 1996

...SEVERE THUNDERSTORM WATCH #368 IS NO LONGER IN EFFECT FOR
NORTHEAST MISSOURI...

SEVERE THUNDERSTORM WATCH 368 HAS BEEN CANCELLED FOR
SCOTLAND...CLARK...KNOX...LEWIS...SHELBY...MARION...MONROE...
RALLS...PIKE...AUDRAIN...BOONE...CALLAWAY...MONITEAU...COLE
...AND OSAGE COUNTIES IN MISSOURI.

THE THREAT OF SEVERE WEATHER HAS LESSENED FOR THE TIME BEING. THERE
IS HOWEVER STILL A POSSIBILITY OF ADDITIONAL THUNDERSTORM ACTIVITY
LATE TONIGHT. KEEP ABREAST OF LOCAL WEATHER DEVELOPMENTS AND LISTEN
FOR POSSIBLE LATER STATEMENTS OR WARNINGS.

PEDIGO
Special weather statement, May 14, 7:42 PM CDT, 1 hour 17 minutes before
MOZ009-010-018-019-026-027-034>036-041-042-047>050-150230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
736 PM CDT TUE MAY 14 1996

...SEVERE THUNDERSTORM WATCH #368 IS NO LONGER IN EFFECT FOR
NORTHEAST MISSOURI...

SEVERE THUNDERSTORM WATCH 368 HAS BEEN CANCELLED FOR
SCOTLAND...CLARK...KNOX...LEWIS...SHELBY...MARION...MONROE...
RALLS...PIKE...AUDRAIN...BOONE...CALLAWAY...MONITEAU...COLE
...AND OSAGE COUNTIES IN MISSOURI.

THE THREAT OF SEVERE WEATHER HAS LESSENED FOR THE TIME BEING. THERE
IS HOWEVER STILL A POSSIBILITY OF ADDITIONAL THUNDERSTORM ACTIVITY
LATE TONIGHT. KEEP ABREAST OF LOCAL WEATHER DEVELOPMENTS AND LISTEN
FOR POSSIBLE LATER STATEMENTS OR WARNINGS.

PEDIGO

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 7:01 PM CDTFlash Flood WarningLSXFranklin59 min
May 14, 7:01 PM CDTSevere Thunderstorm WarningLSXFranklin59 min
May 14, 7:50 PM CDTSevere Thunderstorm WarningLSXIron, Reynolds40 min
May 14, 7:59 PM CDTFlash Flood WarningLSXFranklin, Jefferson31 min
May 14, 7:59 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson31 min
May 14, 8:06 PM CDTSevere Thunderstorm WarningLSXMadison39 min
May 14, 8:48 PM CDTFlash Flood WarningLSXSainte Genevieve4 hr
May 14, 8:48 PM CDTFlash Flood WarningLSXJefferson, Sainte Genevieve3 hr

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.