Alert archive / Missouri / Tornado Warnings in 1995

Tornado Warning 32, NWS St. Louis, MO

July 4, 1995Lewis County, Missouri

NWS St. Louis, MO issued this tornado warning at Jul 4, 1995, 7:58 PM CDT for Lewis County, Missouri. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
Jul 4, 1995, 7:58 PM CDT (00:58 UTC)
Expired
Jul 4, 1995, 8:45 PM CDT
In force
47 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Lewis County, MO

The radar

The St Louis radar (KLSX), 179 km from the middle of the area, began a volume at 00:58 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, 1.0 hours before the alert went out and 198 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 050059
TORSTL
MOC103-111-050145-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
758 PM CDT TUE JUL 4 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  845 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST MISSOURI
 
   ...SOUTHEASTERN KNOX COUNTY...WESTERN LEWIS COUNTY
 
AT 758 PM...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
TORNADO OVER NORTH CENTRAL SHELBY COUNTY NEAR BETHEL. THIS IS ABOUT 40
MILES NORTHWEST OF HANNIBAL.
 
THE STORM WAS MOVING NORTHEAST AT 30 MILES AN HOUR.  TOWNS IN THE PATH
OF THIS STORM INCLUDE NEWARK...STEFFENVILLE...AND LEWISTOWN.
 
PEOPLE IN THESE AREAS SHOULD TAKE COVER IN A BASEMENT OR INTERIOR ROOM
ON THE LOWEST LEVEL.
 
AUTOMOBILES AND MOBILE HOMES SHOULD BE ABANDONED. GO TO A STURDY
BUILDING OR LIE FLAT IN A DITCH AND COVER YOUR HEAD.
 
TRUETT/GLASS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 7:40 PM CDTTornado WarningLSXShelby33 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.