Multilag Estimators for the Alternating Mode of Dual-Polarimetric Weather Radar Operation

All National Weather Service (NWS) weather surveillance radars are and will continue to be dual-polarimetric [21], [19]. Dual-polarimetric weather radars measure the co-polar horizontally and vertically polarized returns from hydrometeors. This allows them to sense the size, shape, and state features of the hydrometeors, features the previous generation of singlepol (usually horizontally polarized) weather radars could not sense directly. The result is greatly improved quantitative precipitation estimation (QPE) and hydrometeor classification [6].