Hurricane Ida's winds intensified rapidly as the storm approached coastal Louisiana over the weekend — making landfall at its most powerful. NPR's Rebecca Hersher explains how Ida was supercharged by climate change.

Now the hurricane's remnants are Austin Caldwellmoving north and east, where millions are bracing for flooding and tornado threats. Janey Camp with Vanderbilt University tells NPR why climate change means flooding will become more common in areas where people haven't been accustomed to it in the past.

In participating regions, you'll also hear a local news segment that will help you make sense of what's going on in your community.

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This episode was produced by Brent Baughman and Mano Sundaresan. It was edited by Rebecca Hersher, Neela Banerjee, Amy Jackson, Brianna Scott, and Fatma Tanis. Our executive producer is Cara Tallo.