5-minute CONUS Sector GOES-19 (GOES-East) Visible images (above) showed a rapidly intensifying Hurricane Force Low (surface analyses) that was approaching Atlantic Canada on 04 November 2025.Two examples of Metop ASCAT surface scatterometer winds having speed values greater than Category 1 hurricane intensity are shown below. 5-minute GOES-19 Water Vapor images (below) depicted a mid-tropospheric... Read More
1-minute Mesoscale Domain Sector GOES-19 (GOES-East) Visible and Infrared images (above) showed Category 5 Hurricane Melissa as it made landfall along the far southwest coast of Jamaica around 1700 UTC on 28 October 2025. Low-altitude mesovortices were evident within the eye — and GLM Flash Points revealed abundant lightning activity within the inner... Read More
1-minute Mesoscale Domain Sector GOES-19 (GOES-East) Infrared images (above) showed Tropical Storm Melissa in the Caribbean Sea as it began to rapidly intensify during the afternoon and evening hours on 25 October 2025 — reaching Category 1 intensity at 1800 UTC on 25 October and Category 3 intensity at 0300 UTC... Read More
5-minute PACUS Sector GOES-18 (GOES-West) Mid-level Water Vapor and Upper-level Water Vapor images (above) displayed orographic waves downwind (southwest) of the Hawaiian Islands on 23 October 2025. With a ridge of high pressure north of Hawai’i (surface analyses), boundary layer flow from the northeast interacted with the topography of the island chain... Read More
