d. Visualize Results

In this next section, we’re going to visualize the results of the job we just ran using NCL. Please complete the steps in Preparation and Part 1: Create an HPC Cluster before proceeding, as the f. Install NCL step installs NCL.

  1. Connect to the Head node via DCV, following instructions from part b. Connect to the Cluster

  2. The supercell.ncl script by default will produce a PDF file of the plots. We are going to change this to X11 with the following command.

sed -i 's/pdf/x11/' supercell.ncl
  1. Visualize the supercell following variables at various levels and forecast times.
    • Perturbation potential temperature (perturbation theta)
    • Upward component of wind (w)
    • Rain water mixing ratio (qr)
spack load ncl
ncl supercell.ncl

MPAS perturbation theta