Earlier this week, we discussed the development of Fausto, a Pacific tropical system that formed south of Mexico. As expected, the storm has intensified to hurricane strength. Current projections (as of 1500 UTC, 5:00 AM HST) are for it to pass directly over the Hawaiian islands on Tuesday 28 July into Wednesday 29 July. Fortunately,... Read More

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

1-minute Mesoscale Domain Sector GOES-19 Infrared Window images (above) showed Tropical Storm Bertha as it moved slowly northwestward then westward across the far northern Gulf of Mexico on 21 July 2026. Pulses of overshooting tops exhibited infrared brightness temperatures in the -75 to -80 C range (brighter white pixels). 1-minute GLM Flash... Read More

We are starting to see the onset of an active period of tropical development in the eastern Pacific basin. Over the weekend of 18-19 July 2026, two separate systems were experiencing different stages of their life: Elida was dying out near the west coast of Mexico while Fausto was starting... Read More