Noun
weather satellite (plural weather satellites)
(meteorology) A type of satellite that is primarily used to monitor the weather and climate of the Earth.
For example, the 2002 oil spill off the northwest coast of Spain was watched carefully by the European ENVISAT, which, though not a weather satellite, flies an instrument (ASAR) which can see changes in the sea surface. Source: Internet
The Antarctic ozone hole is mapped from weather satellite data. Source: Internet
Image of Earth taken by the Elektro-L Russian weather satellite, 2012. Source: Internet
The only thing that worries you about the North Korean "weather satellite" currently tumbling out of control in the stratosphere is whether or not another writer will publish a story based on it before you can. Source: Internet