Lightning strikes have sparked dozens of new wildfires in British Columbia — including 18 on the Island — as thunderstorms brought mixed blessings to the province’s battle against its worst fire season on record.  A forecast of rain promised relief for some wildfire zones in the south and Interior, but lightning associated with the storms triggered most of the 47 new blazes recorded in the past day, pushing the total number of fires in the province above 400 on Tuesday.  Thirty-seven lightning-caused fires started in the Coastal fire region, including Vancouver Island, but there were also new lightning-related blazes in the Kamloops and Prince George regions.  …Eighteen wildfires on Vancouver Island were linked to lightning strikes on Monday and through Tuesday afternoon. …There were 417 wildfires burning in B.C. Tuesday afternoon, including 197 classified as out of control and 12 “wildfires of note,” meaning they’re highly visible or pose a threat to public safety.