description CYGNSS Overview
CYGNSS, the Cyclone Global Navigation Satellite System, is a NASA Earth-observation mission made up of eight microsatellites launched on December 15, 2016. The constellation measures ocean-surface wind speeds, including winds near the inner cores of tropical cyclones, using GPS signals reflected from the sea. Its data are used by scientists to study hurricane formation and intensity and to improve understanding and prediction of storms in the tropics.
help CYGNSS FAQ
What does CYGNSS measure?
CYGNSS measures ocean-surface wind speeds, including winds close to the inner cores of tropical cyclones. It does this by sensing reflections of GPS signals from the ocean surface.
How many satellites are in the CYGNSS mission?
The mission consists of eight microsatellites. Operating as a constellation lets CYGNSS collect storm-related measurements more often than a single satellite could.
When was CYGNSS launched?
NASA launched CYGNSS on December 15, 2016. The mission was designed for Earth observation, with a particular focus on tropical cyclone winds.
Why is CYGNSS useful for hurricane research?
GPS-reflection measurements can provide wind information in difficult storm conditions, including near a cyclone's inner core. That helps scientists study storm intensity and development over the ocean.
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