From: NASA / Goddard Space Flight Center
Published September 5, 2017 03:48 PM

NASA Sees Development of Tropical Storm Jose

As Tropical Storm Jose was forming in the Eastern Atlantic Ocean, NASA's Aqua satellite analyzed its cloud top temperatures.

The Atmospheric Infrared Sounder or AIRS instrument aboard NASA's Aqua satellite passed over Tropical Storm Jose as it was consolidating. AIRS analyzed the storm in infrared light providing scientists with temperature data and that's important when trying to understand how strong storms can be. The higher the cloud tops, the colder and the stronger they are. So infrared light as that gathered by the AIRS instrument can identify the strongest sides of a tropical cyclone.

NASA's Aqua satellite flew over Jose on Sept. 5 at 12:23 a.m. EDT (0423 UTC) AIRS detected some strong thunderstorms with cloud top temperatures as cold as minus 63 degrees Fahrenheit (minus 53 degrees Celsius). Storms with cloud top temperatures that cold have the capability to produce heavy rainfall.  AIRS data and other satellite imagery showed a well-defined though slightly elongated center had formed.

Continue reading at NASA / Goddard Space Flight Center

Image: On Sept. 5 at 12:23 a.m. EDT (0423 UTC) the AIRS instrument aboard NASA's Aqua satellite captured this false-colored infrared image of Tropical Storm Jose forming in the Eastern Atlantic Ocean. Some cloud top temperatures in strong storms were as cold as minus 63 degrees Fahrenheit (minus 53 degrees Celsius).  Credits: NASA JPL, Ed Olsen

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