A hurricane is approaching the Hawaiian Islands, and a warning has been issued. More than 50,000 households are without power, and authorities are urging caution. Hurricane Lowell is passing west to north of the Hawaiian Islands, and warnings have been issued for Oahu, Kauai, and other islands. According to local power companies, more than 50,000 households on Oahu and Kauai are without power due to the approaching hurricane. The National Weathe…