Sounding Date/Time: 18 MAY 2021
You need a Java-aware browser and the Java-runtime environment installed to view this chart.
If you need a copy of the Java runtime, it is available http://www.sun.com
The Java source is available, but you are encouraged to download the real version from https://rucsoundings.noaa.gov/plot_soundings.cgi
If you are still interested in this version, email me a request.