As extreme weather forecasts get better, warnings struggle to cut through 

 NBC News Top StoriesBefore Hurricane Helene began ravaging swaths of the southeastern U.S., Amanda Wright had expected a little rain and maybe some flooding to hit the area around Knoxville, Tennessee, where she lives.

​Before Hurricane Helene began ravaging swaths of the southeastern U.S., Amanda Wright had expected a little rain and maybe some flooding to hit the area around Knoxville, Tennessee, where she lives.  

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