What is it about Hilary that's causing so much flooding?

Hurricane Hilary set to bring heavy flooding to the Southwest

Hilary threatens Southwest with wind, flooding

Families evacuate flooded homes amid Eta flooding

Flooding causing barge backups

Northeast temperature shift causing flooding concerns

Reed Timmer reports ice jam flooding causing major damage to surrounding homes

Thunderstorms drench Florida, causing flooding in some areas

Nighttime footage shows Imelda causing flooding issues

Nicole breaches dam weakened by Ian, causing flooding for hundreds of families

Risk for flooding as Hilary approaches Southern California

Heavy rain from Hilary causes flooding in the Ocotillo area

Numerous drivers stuck in street flooding as Hilary approaches Southern California

Flooding rain and accumulating snow spread across the Southwest

Thunderstorms bring flash flooding to parts of the Desert Southwest

Heavy rain could lead to flash flooding in the southwest

Aerial video captures devastation from flooding in Southwest Virginia

Flash flooding and other threats for Southwest

Monsoon causes flooding deluges across the Southwest

Monsoon conditions lead to flooding throughout the Southwest

Florence flooding: Tune into the AccuWeather Network for live coverage across the Carolinas

Storms sweep through the central US for yet another day

Memorial Day set to be a stormy one for much of the East Coast

Storm threat to linger through the Memorial Day weekend

Your Saturday travel forecast for Memorial Day weekend

26 tornadoes confirmed in May 21 outbreak that AccuWeather warned about days in advance

This Memorial Day weekend could bring tornadoes to multiple parts of the country