请教运行示例程序出现下面问题,可能是什么原因呢?
C:\ProgramData\Anaconda3\lib\site-packages\cartopy\mpl\geoaxes.py:1597: UserWarning: The input coordinates to pcolormesh are interpreted as cell centers, but are not monotonically increasing or decreasing. This may lead to incorrectly calculated cell edges, in which case, please supply explicit cell edges to pcolormesh.
X, Y, C, shading = self._pcolorargs('pcolormesh', *args,