You are browsing the archive for 10 November 2011 - Dan's Wild Wild Science Journal.

10 November 2011

Weather Radar Sees Birds and Bugs Take Flight After Quake

Almost all of the NOAA Doppler radars are being upgraded to a new technology called dual polarization. Simply put, the upgraded radars can send electromagnetic radio waves that are polarized  both horizontally and vertically. Comparing the difference in the reflected energy allows forecasters to see much more than with conventional Doppler radar. One BIG benefit is the ability top determine the shape of objects in the beam. Is it hail, …


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