.NOAA's newest polar-orbiting weather satellite, NOAA21, has begun sending back imagery of Earth! Check out this 'first-light' VIIRS image and learn more here:
Unlike geostationary satellites, polar-orbiting satellites capture swaths of data throughout the full globe, and observe the entire planet twice each day. This global mosaic, captured by the VIIRS instrument on the recently launched NOAA-21 satellite, is a composite image created from these swaths over a period of 24 hours between Dec. 5 and Dec. 6, 2022. Credit: NOAA STAR VIIRS SDR team.
over the East Coast of the United States. The data for the global image was collected on December 5 and 6.provides global measurements of the atmosphere, land and oceans. Over the oceans, it measures ocean color that helps detect harmful algal blooms and monitor phytoplankton activity, as well as sea surface temperature, a key ingredient for fueling hurricanes.
The turquoise color around Cuba and the Bahamas is due to sediment in the shallow waters around the continental shelf, saidOcean color measured in different VIIRS bands provides important information about phytoplankton activity, a key indicator of ocean ecology and marine health. Ocean color is also important for detecting harmful algal blooms that adversely affect marine and human life.. The fire intensity is fed into a product that tracks the thickness and movement of wildfire smoke.
In this image over Northern India captured by NOAA-21’s VIIRS instrument, you can see smog from prescribed agricultural burns, and the Himalayas and Tibetan plateau to the North. Credit: NOAA STAR VIIRS Imagery Team
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