Blackrock : Thirty Degrees and Sunny Blackrock – Thirty Degrees and Sunny from Christopher Tierney on Vimeo. The July 2013 heatwave had the thermometers reaching unheard of heights and sent people scurrying for the cool waters of the Atlantic. Here’s a little slice of Galwegian Life! By Chris I'm a freelance designer, photographer and videographer! View all of Chris's posts.