Officials said there were so many 911 calls, they had to start deciding which to prioritize, putting some callers on hold.

Heavy rain in Chattanooga, Tennessee, is causing severe flash flooding with some areas getting more than six inches in just four hours. While the flood threat recedes, residents in Juneau, Alaska, are told to evacuate as water from a nearby glacier threatens to overrun its basin.

Chattanooga Airport recorded 6.42 inches of rain on Tuesday, the second wettest day on record in the city’s history.