Hawaii is under a state of emergency as Hurricane Lowell, a Category 2 storm, slams the islands with life-threatening rain. Destructive wind gusts have topped 90 mph and Lowell has sparked Hawaii's first-ever tornado watch. ↧ Hurricane Lowell slams Hawaii with life-threatening rain, prompts s... Hawaii is under a state of emergency as Hurricane Lowell, a Category 2 storm, slams the islands with life-threatening rain.