Fermi Spots a Terrestrial Gamma Ray Flash Above Julio (IMAGE)

NASA/Goddard Space Flight Center

Fermi Spots a Terrestrial Gamma Ray Flash Above Julio

Caption

A red cross marks Fermi's position at the time it detected a TGF above Tropical Storm Julio on Aug. 4. Green dots show lightning locations from WWLN data 10 minutes before and after the TGF (magenta). Background: A GOES 15 image of Julio taken 19 minutes before the flash.

Credit

Image Credit: Michael Briggs/UA

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