Alert archive / Missouri / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 22, NWS St. Louis, MO

April 16, 1995Boone County, Moniteau County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Apr 16, 1995, 12:50 PM CDT for Boone County, Moniteau County, Missouri. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Apr 16, 1995, 12:50 PM CDT (17:50 UTC)
Expired
Apr 16, 1995, 1:45 PM CDT
In force
55 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Boone County, MO, Moniteau County, MO

The radar

The St Louis radar (KLSX), 153 km from the middle of the area, began a volume at 17:50 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 (KUMN), launched 12:00Z, 5.8 hours before the alert went out and 244 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 161757
SVRSTL
MOC019-135-161845-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1250 PM CDT SUN APR 16 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  145 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MISSOURI
 
   ...BOONE COUNTY...NORTHERN MONITEAU COUNTY
 
AT 1250 PM...A SEVERE THUNDERSTORM WAS 25 MILES SOUTHWEST OF COLUMBIA.
THIS STORM WAS MOVING TO THE EAST AT 30 MPH AND WILL CROSS INTO WESTERN
BOONE COUNTY AT 115 PM. THIS STORM HAS A HISTORY OF PRODUCING GOLFBALL
SIZE HAIL AND WINDS IN EXCESS OF 60 MPH. THE TOWNS OF JAMESTOWN...ROCHEP
T...MCBAINE...COLUMBIA...ASHLAND...AND MIDWAY ARE IN THE PATH OF THIS STO
. 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
AMS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 2:27 PM CDTSevere Thunderstorm WarningLSXCallaway, Osage39 min
Apr 16, 2:50 PM CDTSevere Thunderstorm WarningLSXGasconade35 min
Apr 16, 3:00 PM CDTSevere Thunderstorm WarningLSXWashington45 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.