This is the view NNE from Craig Cerrig Gleisiad, as the sky began to fill with interesting clouds from the approaching frontal system. In the far distance can be seen the hills of Radnor Forest, and the town of Brecon is on the right hand side. Distant smoke can be seen on the right which rises then flattens out and blows to the east along a horizontal line. This is a clear indication of a temperature inversion.
