Alert archive / Missouri / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 149, NWS St. Louis, MO

June 28, 1995Washington County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 28, 1995, 1:46 PM CDT for Washington County, Missouri. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Jun 28, 1995, 1:46 PM CDT (18:46 UTC)
Expired
Jun 28, 1995, 2:45 PM CDT
In force
59 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Washington County, MO

The radar

The St Louis radar (KLSX), 84 km from the middle of the area, began a volume at 18:50 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, 6.8 hours before the alert went out and 284 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 1995-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 612 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 1995-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 square meters per square second.1939Sfc1 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
612 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
1158 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 281848 RRA
SVRSTL
MOC221-281945-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
146 PM CDT WED JUN 28 1995
 
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 EAST CENTRAL MISSOURI
 
   ...NORTHERN WASHINGTON COUNTY
 
AT 145 PM CDT NWS DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM ENTERING
NORTHWEST WASHINGTON COUNTY. THIS STORM IS MOVING TO THE EAST AT
20 MPH AND WILL AFFECT THE TOWNS OF OLD MINES AND RACOLA 200 AND 230 PM.
 
LARGE HAIL AND DAMAGING WINDS CAN BE EXPECTED WITH THIS STORM.
 
SEEK SHELTER IN A STURDY BUILDING. REMEMBER SEVERE THUNDERSTORMS
OFTEN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
 
 
PRZYBYLINSKI

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, Jun 28, 12:56 PM CDT, 50 minutes before
ILZ079-102-282000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1256 PM CDT WED JUN 28 1995

...A STRONG THUNDERSTORM HAS DEVELOPED JUST SOUTH OF ST LOUIS...

A THUNDERSTORM DEVELOPED ABOUT 1230 PM IN SOUTHEASTERN JEFFERSON
COUNTY JUST SOUTH OF FESTUS AND HAS MOVED TO THE EAST ACROSS THE
MISSISSIPPI RIVER INTO SOUTHERN MONROE COUNTY.

AT 1255 PM THE STORM WAS CENTERED JUST WEST OF MAEYSTOWN...ABOUT 20
MILES SOUTH OF ST LOUIS. IT WAS MOVING TO THE EAST AT 30 MPH AND WILL
REACH RED BUD ILLINOIS BY AROUND 200 PM THIS AFTERNOO

BRIEF HEAVY DOWNPOURS OF AN INCH OR SO IN 30 MINUTES OR LESS WILL
OCCUR IN ITS PATH...ACROSS SOUTHERN MONROE COUNTY ALONG WITH GUSTY
WINDS TO 40 MPH.

PEDIGO
Special weather statement, Jun 28, 1:05 PM CDT, 41 minutes before
ILZ079-102-282000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1256 PM CDT WED JUN 28 1995

...A STRONG THUNDERSTORM HAS DEVELOPED JUST SOUTH OF ST LOUIS...

A THUNDERSTORM DEVELOPED ABOUT 1230 PM IN SOUTHEASTERN JEFFERSON
COUNTY JUST SOUTH OF FESTUS AND HAS MOVED TO THE EAST ACROSS THE
MISSISSIPPI RIVER INTO SOUTHERN MONROE COUNTY.

AT 1255 PM THE STORM WAS CENTERED JUST WEST OF MAEYSTOWN...ABOUT 20
MILES SOUTH OF ST LOUIS. IT WAS MOVING TO THE EAST AT 30 MPH AND WILL
REACH RED BUD ILLINOIS BY AROUND 200 PM THIS AFTERNOO

BRIEF HEAVY DOWNPOURS OF AN INCH OR SO IN 30 MINUTES OR LESS WILL
OCCUR IN ITS PATH...ACROSS SOUTHERN MONROE COUNTY ALONG WITH GUSTY
WINDS TO 40 M|PH.

PEDIGO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 3:54 PM CDTSevere Thunderstorm WarningLSXSainte Genevieve36 min
Jun 28, 4:29 PM CDTSevere Thunderstorm WarningLSXPerry46 min
Jun 28, 5:15 PM CDTSevere Thunderstorm WarningLSXPerry30 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1995Every severe thunderstorm warning in 1995

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.