Himawari-8 Clean Window Infrared (10.41 µm) imagery shows Super Typhoon Yutu poised to hit Tinian and Saipan in the Marianas Islands, to the northeast of Guam. The 0900 UTC Advisory from the Joint Typhoon Warning Center shows a storm with sustained winds of 145 knots, with strengthening forecast. JMA estimates... Read More

Rapid-scan (2.5-minute interval) Himawari-8 “Clean” Infrared Window (10.4 µm) images (above) showed the formation of a well-defined eye as Typhoon Yutu rapidly intensified from a Category 2 to a Category 4 storm  (ADT | SATCON) east of Guam on 23 October 2018. Cloud-top infrared brightness temperatures were -90ºC or colder... Read More

GOES-16 (GOES-East) “Clean” Infrared Window (10.3 µm) images (above) showed Willa during the 48 hours that it rapidly intensified (ADT | SATCON) from a Tropical Storm at 15 UTC on 20 October to a Category 5 Hurricane at 15 UTC on 22 October 2018. Willa  — which became the third Category... Read More

20 days after Leslie initially formed (and 17 days after it underwent extratropical transition), an Aqua MODIS True Color Red-Green-Blue (RGB) image viewed using RealEarth (above) showed the storm at 1419 UTC on 13 October 2018, when it was still classified as a Category 1 Hurricane off the coast of Portugal.... Read More