Tropical Storm Marco over the northwest Caribbean Sea, shown above in a toggle of GOES-16 ABI Clean window imagery (10.3 µm) and a NUCAPS diagnosis of 850-500mb lapse rates, is over very warm waters and in a region of favorably low diagnosed vertical wind shear. (Wind shear is from this website, (direct link to shear); the product is described here)  An inhibiting feature in strengthening, as noted in the National Hurricane Center discussion, is stable... Read More

A previous blog post (link) detailed how to access NOAA CLASS to create Gridded NUCAPS (NOAA-Unique Combined Atmospheric Processing System) imagery from those data.  (You can also view some gridded NUCAPS fields here;  click here to see the 850-mb field of Temperature from that site, it is very similar to... Read More

VIIRS Today, like MODIS today, subsects the US into 8 sectors of equal size. If you live in central South Carolina, or in the middle of Florida, for example, the Sector 7/Sector 8 seam is right on top of you. Perhaps you want to view the entire Great Lakes in one image, rather than... Read More

CIMSS has hosted the MODIS Today website for many years.  Its follow-on, the VIIRS Today has gone live as of 4 August 2020.As with MODIS today, the USA is subdivided into 8 sectors, and imagery on a 2-km, 1-km and 250-m grid is provided, even though VIIRS’ best resolution at nadir is 375... Read More