azmax.grd: shows the maximum water level at each grid during simulation at time = tend. Using this file and
coordinates of the start and end points of a specified coastline, the runup subroutine as a separate program,
calculates the runup levels and the results are stored in r-u-name.dat file.
azmin.grd: shows the minimum water level at each grid during simulation at time = tend.
Curmax.grd: shows the maximum current velocity at each grid during simulation at time = tend.
azWH.grd: shows the wave height at each grid during simulation till time = tend.