Unidata
Unidata Python Gallery:
http://unidata.github.io/python-gallery/
Unidata Online Python Training:
http://unidata.github.io/online-python-training/
Unidata Python Workshops:
https://github.com/Unidata/unidata-python-workshop
Unidata Developer's Blog:
https://www.unidata.ucar.edu/blogs/developer/
MetPy
MetPy Mondays
Siphon