NASA | GPM Analyzes Powerful Tropical Cyclone Winston over Fiji

A cyclone in the southern Pacific Ocean impacted Fiji while the NASA GPM satellite was overhead. The satellite captured a detailed view of the storm, revealing intense thunderstorms and heavy rain in the cyclone's eyewall as it crossed Fiji.

When did the cyclone strike the islands of Fiji according to the text?

What role did the NASA GPM satellite play during the cyclone event?