WMO03410, Lake Vyrnwy
52 45 26N 03 27 55W
Altitude 360 metres
Estimated Class 3, fails Class 2 on unstable local environment (dumping ground) and “Ground covered with natural and low vegetation (<10 cm) representative of the region;” see following evidence.
UHI, none.

Left circa 2006, right circa 2009.







As an aside, not related to anything, but isn’t it fascinating – even though not unexpected – that all Welsh stations so far have sheep in the close vicinity.
(No sheep jokes – I live in Wales meself!)
And as I discovered after shouting at the mouse, the darn things move, that is not the Stevenson screen.