Alert archive / Missouri / Tornado Warnings in 1995

Tornado Warning 31, NWS St. Louis, MO

July 4, 1995Shelby County, Missouri

NWS St. Louis, MO issued this tornado warning at Jul 4, 1995, 7:40 PM CDT for Shelby County, Missouri. It was in force for 33 min.

The area

The counties it named.

The facts

Issued
Jul 4, 1995, 7:40 PM CDT (00:40 UTC)
Expired
Jul 4, 1995, 8:13 PM CDT
In force
33 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Shelby County, MO

The radar

The St Louis radar (KLSX), 171 km from the middle of the area, began a volume at 00:42 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

Davenport, (KDVN), launched 00:00Z, 0.7 hours before the alert went out and 242 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, Davenport, at 00:00Z on 1995-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 403 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, Davenport, at 00:00Z on 1995-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 186 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
403 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
1293 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
186 m²/s²
0-3 km storm-relative helicity
230 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 050041 RRA
TORSTL
MOC205-050130-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
740 PM CDT TUE JUL 4 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  830 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST MISSOURI
 
   ...NORTHERN SHELBY COUNTY
 
AT 740 PM...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
TORNADO OVER SHELBY COUNTY...ABOUT 40 MILES WEST OF SHELBYVILLE.
 
THE STORM CONTINUED MOVING NORTHEAST AT 30 MILES AN HOUR...AND WILL BE
AFFECTING THE CITIES OF KELLERVILLE...SHELBYVILLE...AND BETHEL.
 
IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IN A BASEMENT
OR INTERIOR ROOM ON THE LOWEST LEVEL.
 
TRUETT/GLASS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 7:58 PM CDTTornado WarningLSXLewis47 min
Jul 4, 7:58 PM CDTTornado WarningLSXKnox28 min
Jul 4, 8:36 PM CDTTornado WarningLSXClark45 min
Jul 4, 8:36 PM CDTTornado WarningLSXLewis54 min

Nearby

Tornado Warnings in Missouri, 1995Every tornado warning in 1995Tornadoes 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.