El Niño has far-reaching effects on weather patterns worldwide. In the United States, it can suppress Atlantic hurricane activity while increasing the frequency and intensity of winter storms in regions like California and the southern states. Globally, it can lead to extreme weather events such as droughts, heavy rainfall, and heatwaves. For example, some areas may experience catastrophic flooding, while others face severe droughts and wildfires. These disruptions can also impact agriculture, fisheries, and economies, making El Niño a phenomenon with both environmental and societal consequences.