Pacific Hurricane Norman, a potent storm with sustained winds of 150 mph, exists outside of GOES-16’s CONUS (Contiguous United States) domain. In fact, on 30 August 2018, both GOES-16 Meso sectors were placed over the tropics to provide 1-minute imagery of tropical systems, both Norman over the Pacific, and a strong tropical easterly wave over... Read More

GOES-17 images shown here are preliminary and non-operationalThe presence of GOES-17 data means that 4 mesoscale sectors, each taking 1-minute imagery, are over the United States. In the example above, from 1616 UTC on 29 August 2018, there is no overlap. (Note: Three of the Four are in their default... Read More

GOES-17 images shown here are preliminary and non-operationalThe GOES Rebroadcast (GRB) is now transmitting GOES-17 data that remain Preliminary and non-operational.  The first data sent were at 1530 UTC on 28 August. The toggle above shows Bands 3 (“Veggie Band”, 0.86 µm) and Band 7 (“Shortwave Infrared”, 3.9 µm) from the Meso-1 sector that was positioned over the West Coast... Read More

Typhoon Soulik, south of Japan and moving westward, has acquired a very large eye — almost 100 miles across! Himawari-8 imagery, above (courtesy JMA), shows the evolution and enlargement of the eye between 0900 and 1400 UTC on 20 August 2018.GCOM, Suomi NPP and NOAA-20 all passed over Soulik between... Read More