Hurricane Ophelia — the record-tying 10th consecutive Atlantic basin hurricane of the 2017 season — reached a satellite-estimated Category 3 intensity at 15 UTC on 14 October 2017. GOES-13 (GOES-East) Visible (0.63 µm) and Infrared Window (10.7 µm) images (above) showed a well-defined circular eye as the storm moved well south... Read More

* GOES-16 data posted on this page are preliminary, non-operational and are undergoing testing *1-minute interval Mesoscale Sector GOES-16 “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.3 µm) images (above) showed the large central dense overcast (which exhibited cloud-top infrared brightness temperatures of -80ºC and colder, violet colors, and at times -90ºC... Read More

* GOES-16 data posted on this page are preliminary, non-operational and are undergoing testing *The Accumulated Cyclone Energy (ACE) for September 2017 set a new record for any month over the North Atlantic basin: Since it was released on a Sunday morning, many missed the monthly summary from NHC confirming... Read More

A toggle between nighttime images of Suomi NPP VIIRS Infrared Window (11.45 µm) and Day/Night Band (0.7 µm) data at 0347 UTC (courtesy of William Straka, SSEC/CIMSS) showed a high-resolution view of the eye of Category 3 Hurricane Irma. GOES-16 data (ABI and GLM) posted on this page are preliminary, non-operational... Read More