September 17, 2014 8:26 am WATCH: Trees, Signs Down in Mission Valley NBC 7’s Elena Gomez reports from Mission Valley where strong winds swept through, tearing down signs and knocking over trees. US & World Videos 1:46 UCSD students establish pro-Palestinian encampment on campus 9:53 Trial begins for TikToker accused of murdering wife, man in East Village | San Diego News Daily 0:53 What are those blue blobs piling up on San Diego beaches? Velella velellas! 3:27 Poway Unified superintendent fired following bullying claims 0:35 Blue blobs washing up on San Diego beaches again