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

Parts of northern Alaska were under a Winter Storm Warning for much of the weekend, as shown below by the red regions to the north of Fairbanks. (The red regions around the Seward Peninsula were regions where a High Wind Warning had been cancelled after strong winds weakened. This toggle of MetopB and MetopC ASCAT winds from 0530-0630 UTC on 13 October (source)... Read More

NOAA and NASA recently released the first ABI (Advanced Baseline Imager) imagery from GOES-19. GOES-T was launched on June 25, 2024. See the GOES-U launch as the other GOES ABI monitored the rocket signature with rapid scan imagery), including the re-entry. GOES-19 is the final (fourth) in the GOES-R series and is currently located above the equator at approximately 90W. GOES-19... Read More