Powerful Hurricane Lowell is finally turning north. A dip in the jet stream is nudging the storm toward the northward path and will eventually grab Lowell and speed it past Hawaii. On the current schedule, tropical moisture will overspread the islands beginning late today. Rain will be heavy at times through tomorrow. Up to 12 inches of rain is forecast on Kauai and near that on the Big Island of Hawaii. Flash floods and mudslides are possible on the steep slopes. Lesser am