4 votes
Accepted

What causes these periodic high-pressure blobs along the west coast of South America?

It's really not clear from their website what data source those maps are showing. They could be derived purely from surface observations, purely from model output, some atmospheric analysis ...
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  • 3,133
3 votes

Does storm seasonality vary with latitude?

It really depends on how you define storms. For tropical storms, there are some regions where they are not usually a threat. Likewise, for extratropical storms, there are latitudes where such things ...
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3 votes
Accepted

Why do clouds sometimes form in "plumes"?

These look to be Thermals to me . They form as a result of strong day time heating and vertical ascent in the lowest part of the planetary boundary layer. It's not clear what time of day the ...
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  • 6,247
1 vote

Does storm seasonality vary with latitude?

Yes, In he tropics where humidity is more ubiquitous moist air currents feed systems that allow for storms. In temperate climates these storms proliferate where it's warm and humid and die off in ...
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