THE Family Prom is back at St David’s Hall on Sunday 21 July at 3pm, and this time we are celebrating the wonders of weather! Come rain or shine, Conductor Michael Bell MBE and Cardiff Philharmonic Orchestra are forecast to be on cloud nine as they take this year’s event by storm. And who better to present a concert all about the weather than BBC Wales duo Derek Brockway and Behnaz Akhgar. Joining them are a vibrant cast of…