Alert archive / Missouri / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 25, NWS St. Louis, MO

April 16, 1995Washington County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Apr 16, 1995, 3:00 PM CDT for Washington County, Missouri. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Apr 16, 1995, 3:00 PM CDT (20:00 UTC)
Expired
Apr 16, 1995, 3:45 PM CDT
In force
45 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 20:09 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 (KUMN), launched 12:00Z, 8.0 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 1995-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 686 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 1995-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 202 square meters per square second.1939587897Sfc1 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
686 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
596 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
202 m²/s²
0-3 km storm-relative helicity
241 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 162001
SVRSTL
MOC221-162045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
300 PM CDT SUN APR 16 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MISSOURI
 
   ...NORTHERN WASHINGTON COUNTY
 
AT 256 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A SEVERE
THUNDERSTORM LOCATED ABOUT 30 MILES NORTHWEST OF FARMINGTON NEAR
RICHWOODS. THE STORM WAS MOVING TO THE EAST AT 30 MPH. SOME COMMUNITIES
IN THE PATH OF THIS STORM ARE RICHWOODS...PEA RIDGE...BLISS...AND CANNON
MINES.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
DM/DF

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, Apr 16, 2:54 PM CDT, 6 minutes before
MOZ056-162100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
253 PM CDT SUN APR 16 1995

AT 245 PM CDT THE SEVERE THUNDERSTORM WARNING FOR MORGAN COUNTY HAS
EXPIRED. GOLFBALL SIZED HAIL WAS REPORTED BY THE MORGAN COUNTY SHERIFFS
DEPARTMENT JUST WEST OF ELDON. THE STORM HAS MOVED OVER MILLER COUNTY.

A SEVERE THUNDERSTORM WATCH IS STILL IN EFFECT FOR SOUTHWEST AND CENTRAL
MISSOURI UNTIL 3PM INCLUDING MORGAN...CAMDEN...BENTON AND HICKORY
COUNTIES AND A SECOND SEVERE THUNDERSTORM WATCH EFFECTIVE UNTIL 8 PM FOR
CENTRAL AND SOUTHEASTERN MISSOURI INCLUDING MILLER...MARIES AND PULASKI
COUNTIES.

SHELDON

&

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 12:50 PM CDTSevere Thunderstorm WarningLSXBoone, Moniteau55 min
Apr 16, 2:27 PM CDTSevere Thunderstorm WarningLSXCallaway, Osage39 min
Apr 16, 2:50 PM CDTSevere Thunderstorm WarningLSXGasconade35 min
Apr 16, 3:22 PM CDTSevere Thunderstorm WarningLSXFranklin53 min
Apr 16, 3:28 PM CDTSevere Thunderstorm WarningLSXJefferson47 min
Apr 16, 4:00 PM CDTSevere Thunderstorm WarningLSXSaint Francois31 min
Apr 16, 4:00 PM CDTSevere Thunderstorm WarningLSXSainte Genevieve45 min
Apr 16, 4:21 PM CDTSevere Thunderstorm WarningLSXJefferson39 min
Apr 16, 4:50 PM CDTTornado WarningLSXSainte Genevieve30 min
Apr 16, 4:50 PM CDTTornado WarningLSXJefferson21 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.