To answer your question accurately, I would need to see the diagrams A and B that you are referring to. However, I can explain generally how El Niño influences weather in the United States.
El Niño events often lead to:
- Wetter conditions in the southern U.S., especially in states such as California and the Gulf Coast, which may experience increased rainfall and risks of flooding.
- Warmer and drier conditions in the northern U.S. and the Pacific Northwest, where winters may be milder.
If you describe the weather maps or images A and B, I can help you determine which one illustrates the impacts of El Niño on the local weather in the United States more accurately.