Even more hurricanes are rapidly intensifying in the Atlantic as the oceans and atmosphere warm in response to fossil fuel pollution and the global warming it causes.

Erin strengthened into a Category 1 hurricane with sustained winds of 85 mph on Friday evening and is more than 300 miles east of the northeastern Caribbean’s Leeward Islands, according to the Nation...

Flash flooding and mudslides in some areas are possible, especially on the south and east sides of Puerto Rico, where the moisture-laden winds are onshore.