Echo tops, generated by NEXRAD Doppler radars, represent the highest point of a precipitation core (defined as 18 dBZ reflectivity), not the actual cloud top height. Cloud tops, especially in intense ...
When the body moves, it's harder for existing wearable devices to accurately track heart activity. But University of Missouri researchers found that a starfish's five-arm shape helps solve this ...
A "hook echo" and tornado as mapped at fine-scale resolution by a Doppler On Wheels (DOW) radar. Image courtesy of the Center for Severe Weather Research. Disclaimer: AAAS and EurekAlert! are not ...
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