1-minute Mesoscale Domain Sector GOES-18 (GOES-West) Visible and Infrared imagery of Hurricane Kristy in the East Pacific Ocean on 23 October (above) highlighted a well-defined eye, with GLM-indicated lightning activity increasing within the inner eyewall. Cloud-top infrared brightness temperatures in the -80s C (shades of violet to purple) were apparent at times.... Read More

MIMIC TPW fields for the first half of 22 October (at which point the data feed from NOAA/NESDIS was interrupted) shows the Samoan Islands within an isolated region of relatively dry air with moisture moving in from the east. GFS fields showing the Galvez Davison Index (GDI) that is sometimes... Read More

VIIRS Day Night Band visible imagery (at 0.7 µm) on 23 October, above, shows a dark patch over the Mid-Atlantic right to the east of New Jersey and the Delmarva peninsula. Chesapeake Bay waters are also much darker than most of the adjacent Atlantic Ocean. Dark patches such as these... Read More