How 5 Isro satellites tracked Fani’s path and helped save many lives

As meteorologists observed a trough of low in the southern Indian Ocean more than a week ago, five Indian satellites kept a constant eye on the system as it brewed into cyclone Fani. As it developed into an "extremely severe cyclone", the satellites launched by Isro sent data every 15 minutes to the ground station, helping forecast its movement and save many lives.

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