The Qvector is defined by the following equations:
Q_{1}=[R/(sigma*p)]
*[(du/dx)*dT/dx)+(dv/dx)*(dT/dy)]
Q_{2}=[R/(sigma*p)]
*[(du/dy)*dT/dx)+(dv/dy)*(dT/dy)]
where the partial derivatives were calculated with the use of the
cdiff function in GrADS.
The vectors were made by plotting the vector sum of
Q_{1} and Q_{2}
and colored by the magnitude of the resulting vector. Qvectors are not
available at 1000 mb.
Units: kPa m^{1} s^{1}
