Question

When La Nina occurs over the Pacific, it shifts the jet stream. What effect does this have on the weather in the Southern US and Mexico?
1)it causes a drop in temperature
2)it causes flooding
3)it causes precipitation
4)it causes drought

Answer 1

When La Niña occurs, it typically shifts the jet stream, which can have significant impacts on weather patterns. For the Southern United States and Mexico, the effects often include:

1) **Drought** - La Niña is often associated with below-average precipitation in the Southern U.S. and northern Mexico, leading to drier conditions and increased chances of drought.

So, the correct answer in relation to your question is primarily:

**4) it causes drought.**