Tropical Storm Iba has formed off the Brazilian coast — a real rarity in this part of the world

For the first time since 2010, a full-fledged tropical cyclone has formed in the South Atlantic Ocean. Say hello to Tropical Storm Iba. You can see it in the animation above, about 500 miles northeast of Rio de Janeiro, Brazil. The animation consists of infrared imagery from the GOES-16 weather satellite. It shows Iba as it strengthened on Sunday. The false colors correspond to the temperature of the cloud tops in the storm, with black and pinkish colors indicative of the very colde

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