Alert archive / Missouri / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 97, NWS St. Louis, MO

June 6, 1997Crawford County, Gasconade County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 6, 1997, 6:42 PM CDT for Crawford County, Gasconade County, Missouri. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 6, 1997, 6:42 PM CDT (23:42 UTC)
Expired
Jun 6, 1997, 7:30 PM CDT
In force
48 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Crawford County, MO, Gasconade County, MO

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.7 hours before the alert went out and 256 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 1997-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1997-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1260 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 062344
SVRSTL
MOC073-055-070030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
642 PM CDT FRI JUN 6 1997
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  730 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MISSOURI
 
   ...SOUTHERN GASCONADE COUNTY
 
IN EAST CENTRAL MISSOURI
 
   ...NORTHERN CRAWFORD COUNTY
 
AT 635 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM JUST SOUTH OF OWENSVILLE. THIS STORM IS MOVING TO THE SOUTH
AT 15 MPH. GOLFBALL SIZED HAIL HAS BEEN REPORTED WITH THIS STORM. IT
WILL MOVE ACROSS THE CRAWFORD COUNTY LINE AROUND 645 PM THIS EVENING.
 
COMMUNITIES IN THE PATH OF THIS STORM INCLUDE CUBA..AND ALONG HIGHWAY 19
TO THE NORTH OF CUBA TO JUST SOUTH OF OWENSVILLE.
 
THIS STORM HAS A HISTORY OF DAMAGING HAIL. STAY INSIDE AND AWAY
FROM WINDOWS.
 
PEDIGO
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 5:40 PM CDTSevere Thunderstorm WarningLSXJefferson65 min
Jun 6, 5:49 PM CDTSevere Thunderstorm WarningLSXFranklin, Gasconade56 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1997Every severe thunderstorm warning in 1997

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.