These are the out of plane axial force and moment. See verification #10 in the Verification Manual. See page 56 for more information.
In the figure below, Ntheta and Mtheta are the hoop values.
Meridional and hoop force/moment components in a spherical shell
[Alphose Zingoni (1997), Shell Structures in Civil and Mechanical Engineering, University of Zimbabwe, Harare, Thomas Telford.]