1-minute Mesoscale Domain Sector GOES-19 (GOES-East) Infrared Window images (above) showed a large and persistent cluster of deep convection that remained southwest of Tropical Storm Bertha’s center during the nighttime hours leading up to sunrise on 23 July 2026.Pulses of overshooting tops exhibited very cold infrared brightness temperatures of -90 C or... Read More
Earlier this week, we discussed the rapid development of Super Typhoon Bavi, a major tropical cyclone in the western Pacific Ocean. It delivered a strong hit to the island of Rota, part of the American territory known as the Commonwealth of the Northern Mariana Islands. You can read more about Rota’s devastation and see photos... Read More
Super Typhoon Bavi rapidly intensified to a Category 5 tropical cyclone (ADT | SATCON) east of Guam on 03 July 2026. Bavi was moving through a very favorable environment characterized by low values of deep-layer wind shear (above) as it was traversing progressively warmer water (Sea Surface Temperature | Ocean Heat Content). Shear, ADT, SATCON, SST... Read More
CIMSS research scientist Rich Dworak sent along a sequence of NOAA-20 VIIRS Day/Night Band images (above) that included satellite-derived Atmospheric Motion Vectors — which depicted an anomalously deep polar low just north of Greenland during the 25-26 May 2026 period.Another feature of interest seen in the Day/Night Band imagery was the breakup... Read More
