Hurricane Isaias intensifies
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Warnings of a hurricane threat are posted from Louisiana to the Florida Panhandle. Although the system is a tropical storm, it's expected to strengthen into a Category 2 hurricane by Friday. It would
El Niño reached record intensity in the Pacific Ocean in September and is reshaping weather patterns around the world. To help pinpoint the areas most at risk, The Washington Post is following El Niño development each month in a tracker that draws on newly released forecast data.