this post was submitted on 09 Oct 2024
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[–] blaue_Fledermaus@mstdn.io 4 points 1 month ago (1 children)

Since it shows the global distribution, an interesting curiosity: some years ago there was the first and only recorded hurricane in the South Atlantic, named Catarina after it hit my state of Santa Catarina in Brazil.

Since "hurricanes don't happen in the South Atlantic", Brazilian meteorologists were sort of ignoring the threat until the USians started calling to warn.

[–] Avalokitesha@programming.dev 2 points 1 month ago

I was wondering about that, there's a second band between Africa and Australia but nothing in the south Atlantic. What's up with that?

[–] will_a113@lemmy.ml 3 points 1 month ago (3 children)

I was under the impression that the number of hurricanes that made landfall had been increasing in recent decades, but the bottom chart suggests it’s about constant. Maybe it’s just the total number of storms then?

[–] will_a113@lemmy.ml 5 points 1 month ago* (last edited 1 month ago)

I came across this, which shows the actual trend line for hurricanes and tropical storms, including those that did not make landfall - https://www.gfdl.noaa.gov/historical-atlantic-hurricane-and-tropical-storm-records/

[–] Midnitte 2 points 1 month ago

It might be more that the category of storms is increasing (due to warmer waters), which isn't reflected in that chart

[–] MrCamel999@programming.dev 1 points 1 month ago

I was under the same impression, but it might just be that storms are getting more intense, and therefore we remember more of them in recent times.

[–] Midnitte 3 points 1 month ago

Fun fact, the spin of a hurricane (or typhoon) is directed by the Coriolis effect - hurricanes in the northern hemisphere spin counterclockwise, while hurricans in the southern hemisphere spin clockwise.