GOES-18 Visible imagery, above, over the Samoan Islands, shows a variety of cloud structures moving from north to south over the Samoan Islands, especially over the smaller islands of American Samoa (Tutuila, Ofu/Olosega and Ta’u). The animation below, covering about the same time span, shows GREMLIN radar estimates. GREMLIN is... Read More

Tropical Cyclone’s Debby slow progress up the east coast of the US (Blog Post) resulted in a prolonged rain event. The slider above compares the Susquehanna River on 1 August (a clear day before Debby) and on 13 August, after the inundation. The turbidity of the river, and its discharge into Chesapeake... Read More

One of the products demonstrated at the Hazardous Weather Testbed (HWT) in Norman in May and June this year was GREMLIN (GOES Radar Estimation via Machine Learning to Inform NWP) a tool created with Machine Learning (by Kyle Hilburn at CIRA) to use ABI and GLM data to create synthetic... Read More

1-minute Mesoscale Domain Sector GOES-18 (GOES-West) “Clean” Infrared Window (10.3 µm) images (above) displayed areas of convection that moved across the islands of American Samoa on 12 June 2024 (1-minute imagery was requested by NWS Pago Pago to monitor the approach of thunderstorms capable of producing heavy rainfall and potential flooding — and since they lack radar coverage, 1-minute satellite... Read More