Frigid cloud top temperatures show Hurricane Dora's power

Extremely cold cloud top temperatures in thunderstorms are an indication of the strength they possess, and infrared satellite data from NASA revealed a large area of very cold and powerful thunderstorms around the center ...

Tropical Storm Dora bringing rough surf to southern Mexico

Tropical Storm Dora was just a depression yesterday. Since then, NASA satellite imagery has watched Dora continue to strengthen as thunderstorm cloud tops have grown much colder. Dora is now stirring up high seas in the eastern ...

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