i am at upper boat, pontypridd, to my east is eglywsilan mountain and senghenydd, approx 300 asl http://www.meteociel.fr/modeles/ukmo2.php?nh=&carte=1594&ech=12 is looking very promising for sunday (+48h) morning 1am - look at that band coming down from the north anyone with more experience able to interpret that?