A cold front with ample moisture and instability ahead of it spawned numerous strong storms in the Southeast U.S. yesterday; particularly one long-lived supercell in South Carolina. A convolutional neural network model (CNN) was deployed in realtime on the 1-min GOES-16 mesoscale sector imagery. The model produces an “Intense Convection... Read More
A thunderstorm over Jackson County, Oregon late in the day on 5 April 2020 produced abundant hail that accumulated to depths in excess of an inch over a wide swath of the county. Visible animation from 1500 UTC on 5 April through 0300 UTC on 6 April show the region experiencing plentiful... Read More
Beavertails are ephemeral cloud features that form in the inflow of supercell thunderstorms. They are horizontally long and roughly parallel to the inflow warm front. Its appearance (and presence) is affected by and influences inflow into the storm, and by inference, it affects radar returns. That is — a change... Read More
A supercell thunderstorm intensified as it moved eastward across the Chesapeake Bay (just ahead of an approaching surface cold front) on the morning of 24 July 2014 — as it reached the Virginia shore... Read More
