Update MPAS-A tutorial link to point to Howard U. tutorial from Fall 2024

Author: mgduda

atmosphere/atmosphere_download.html

@@ -33,7 +33,7 @@
       <p><big>
       </big></p>
       <p><big><a href="https://www2.mmm.ucar.edu/projects/mpas/mpas_atmosphere_users_guide_8.2.0.pdf" target="_blank">MPAS-Atmosphere Users' Guide</a></big></p>
-      <p><big><a href="https://www2.mmm.ucar.edu/projects/mpas/tutorial/v8.0/index.html" target="_blank">MPAS-Atmosphere tutorial</a></big><br />
+      <p><big><a href="https://www2.mmm.ucar.edu/projects/mpas/tutorial/Howard2024/index.html" target="_blank">MPAS-Atmosphere tutorial</a></big><br />
       <p><big><a target="_self" href="atmosphere_meshes.html">MPAS-Atmosphere meshes</a></big></p>
       <p><big><a target="_self" href="https://www2.mmm.ucar.edu/projects/mpas/mpas_static.tar.bz2">Static geographical datasets</a></big></p>
       <p><big><a target="_self" href="https://www2.mmm.ucar.edu/projects/mpas/QNWFA_QNIFA_SIGMA_MONTHLY.dat">Monthly climatological aerosol dataset (QNWFA_QNIFA_SIGMA_MONTHLY.dat)</a></big></p>