The Signal on Instagram: "The National Weather Service issued a tropical storm watch for the Santa Clarita Valley on Friday — with locations affected including Castaic Lake, Castaic, Newhall and Valencia.  View more at the link in our bio or tinyurl.com/427j65r5 Article: Trevor Morgan Photo: Courtesy of NWS #SignalSCV #SCV #SantaClarita #HurricaneHilary"