NASA finds Tropical Cyclone Joaninha maintaining an eye

Tropical Cyclone Joaninha is not yet ready to close its eye and weaken. Visible imagery from NASA's Terra satellite showed Tropical Cyclone Joaninha maintaining an eye thanks to low wind shear and warm sea surface temperatures.

NASA catches Tropical Cyclone Gelena's post-tropical transition

Tropical cyclones can become post-tropical before they dissipate, meaning they can become sub-tropical, extra-tropical or a remnant low pressure area.  As Tropical Cyclone Gelena transitioned into a subtropical storm, NASA's ...

NASA finds Tropical Cyclone Flamboyan in a southeastern stretch

Strong vertical wind shear had taken its toll on Tropical Cyclone Flamboyan when NASA's Aqua satellite passed over the Southern Indian Ocean. Flamboyan, now a subtropical cyclone, had been stretched out and its only precipitation ...

NASA finds a weak and wispy Tropical Cyclone Cebile

Vertical wind shear had already taken its toll on Tropical Cyclone Cebile when NASA's Aqua satellite passed over the Southern Pacific Ocean on Feb. 8. Cebile, now a subtropical cyclone, appeared to have wispy clouds circling ...

Ana tightens up and becomes tropical

Up until Saturday morning, Ana had been referred to as a subtropical storm, rather than a tropical storm. What's the difference? The difference lies is how the two different storms are "born." Subtropical storms are usually ...

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