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Animated radar loop (left, storm-relative velocity; right, reflectivity) of the nearly stationary supercell thunderstorm that spawned the EF3 tornado from 5:36–7:33 p.m. CDT (2236–0033 UTC). A large, very slow-moving, and erratic tornado remained on the ground for just over an hour as it executed a cyclonic loop in Ottawa County south of ...
Strong mesocyclone on a thunderstorm near Tuscaloosa, Alabama, that was analyzed as fitting the characteristics of a TVS.It was associated with a tornado.. A tornadic vortex signature, abbreviated TVS, is a Pulse-Doppler radar weather radar detected rotation algorithm that indicates the likely presence of a strong mesocyclone that is in some stage of tornadogenesis. [1]
The weather forecast office upgraded the severe thunderstorm warning to a tornado warning at 6:35 p.m. CDT (23:35 UTC), and four minutes later, trained storm spotters reported a damaging tornado north of Ashton. [12] This was one of several tornadoes observed across the Central United States on April 8 and April 9. [13]
Here are the latest maps to track the storm: Original article source: Winter storm live tracker: Snowfall maps, current alerts, weather warnings, ice forecasts, power outages Show comments
The Storm Prediction Center's Day 1 convective outlook for May 21, 2024, issued at 1300Z, indicating a moderate risk for severe weather over much of Iowa and nearby parts of Wisconsin, Illinois, Missouri, and southeastern Minnesota.
Winter Storm Watch issued A winter storm is expected to blanket much of Illinois with snow, sleet and freezing rain starting early Sunday morning. Leading up to the weekend, a Winter Storm Watch ...
Winter storm leads thousands without power Many Illinoisans are digging out from a weekend winter storm. Thousands remain without power in southern Illinois after the storm produced ice in many areas.
In the United States and a few other countries, Doppler capable weather radar stations are used. These devices are capable of measuring the radial velocity, including radial direction (towards or away from the radar) of the winds in a storm, and so can spot evidence of rotation in storms from more than a hundred miles (160 km) away. A supercell ...