NOAA-20 overflew the Great Lakes early on 22 April 2024 (Earth Day) and the lack of cloud cover (except over northeastern Lake Superior) allowed a determination of Lake Surface Temperatures over most of the Great Lakes. As is usually the case, Lake Erie is the warmest lake, with temperatures near... Read More
A sequence of Suomi-NPP VIIRS Visible (0.64) images (above) displayed the cyclonically-curved cloud structure associated with an Arctic low pressure system (surface analyses) located between Alaska and the North Pole on 14 April 2024. A blend of Atmospheric Motion Vectors derived from NOAA-20 and NOAA-21 (below) showed the flow pattern at... Read More
Contributors: Scott Bachmeier, Mat Gunshor, Rick Kohrs, Margaret Mooney, Jim Nelson, Tim Schmit, and Eric Verbeten.A similar loop as above, but with a special enhancement (contrast stretch) is in this CIMSS Satellite Blog post (which also includes a comparison of the 2017 and 2024 eclipse events).The eclipse starts in the GOES-West footprint, as shown... Read More
For a solar eclipse to occur, the moon must be in between the Earth and the Sun. This occurs when the Moon is new — that is, when the side of the moon facing the Earth receives no solar illumination. The Day Night Band on Suomi-NPP, or NOAA-21, or NOAA-20... Read More
