#AWIPS, the software that #NOAA #NWS operational meteorologists (the people who help issue watches, warnings and advisories) is entirely open source, and there is a compendium of tutorials for using this software on YouTube.
https://www.youtube.com/watch?v=dzL1tR9SwNs&list=PLQut5OXpV-0gk9CcjfInV9hNIEAld-Tpp
