A fire at the Aguirre power plant in Salinas (located along the southern coast of Puerto Rico) on 21 September 2016 triggered a widespread power outage across the island. A comparison of Suomi NPP VIIRS Day/Night Band (0.7 um) images of Puerto Rico on a cloud-free “clear view” night (31... Read More
Tropical Storm Karl in the middle of the Atlantic Ocean was a disorganized storm early on 19 September (as noted in these two discussions from the National Hurricane Center at 0300 and 0900 UTC): the surface circulation was displaced to the south and west of the deep convection. Night-time determination of the... Read More
Tropical Storm Julia formed near the coast of northeastern Florida overnight on 13 September 2016 (NHC advisory archive) and moved inland over Jacksonville Florida. Suomi NPP Day/Night Band imagery, toggled above with 11.45 micron Infrared imagery shows a sheared system with most of the convection east and north of the center (that was at that time inland... Read More
Rapid-scan (2.5-minute interval) Himawari-8 AHI Visible (0.64 µm) and Infrared Window (10.4 µm) images (above; also avialable as a 33 Mbyte animated GIF) showed the pin-hole eye and cold cloud-top IR brightness temperatures (-80º C and colder, violet color enhancement) associated with Super Typhoon Meranti (16W) in the Philippine Sea on... Read More
