Tropical Storms Hilary and Irwin form in East Pacific, Noru becomes the first typhoon of 2017
Two tropical depressions in the Eastern Pacific have strengthened into named tropical storms: Tropical Depression Nine-E has strengthened into Tropical Storm Hilary, and Tropical Depression Ten-E has strengthened into Tropical Storm Irwin. Hilary is likely to become a major hurricane, while Irwin also has a chance to become a hurricane. In the West Pacific, Tropical Storm Noru has strengthened into a typhoon, a category 2 on the Saffir-Simpson Hurricane Scale, making it the first typhoon of the 2017 season and…