The primary concern for millions of residents across Louisiana, Mississippi, Alabama, and Florida is the immediate threat of widespread flooding. Coastal areas are particularly vulnerable to inundation from storm surge, which can cause significant damage to infrastructure and homes. Inland, the risk of flash flooding is elevated due to the storm's heavy rainfall potential, which can overwhelm drainage systems and lead to hazardous conditions on roadways. Emergency management agencies are urging residents in low-lying and flood-prone areas to take necessary precautions, including securing property and considering evacuation if advised. The economic impact, from potential property damage to disruptions in commerce and travel, is also a significant consideration.