A weather radar system comprising: one or more antennas, wherein the one or more antennas are configured to: transmit a radar signal generated by a transmitter; and deliver a radar return signal of the transmitted radar signal to a receiver; and one or more processors configured to: sample the radar return signal at a periodic sample rate, wherein timing of the periodic sample rate following transmission of the radar signal corresponds to a range bin; determine a first signal power measurement of the sampled radar return signal of the first range bin based on Doppler signal processing, wherein the first signal power measurement comprises at least one of a ground signal power component or a weather signal power component; determine a quality of the first signal power measurement; and if the quality of the first signal power measurement is above a threshold, estimate reflectivity values of the sampled radar return signal of the first range bin based on the first signal power measurement; if the quality of the first signal power measurement is below the threshold: determine a second signal power measurement of the sampled radar return signal of the first range bin based on non-Doppler signal processing; and estimate reflectivity values of the sampled radar return signal of the first range bin based on the second signal power measurement; memory, wherein the memory is configured to store the estimated reflectivity values. one or more antennas, wherein the one or more antennas are configured to: transmit a radar signal generated by a transmitter; and deliver a radar return signal of the transmitted radar signal to a receiver; and transmit a radar signal generated by a transmitter; and deliver a radar return signal of the transmitted radar signal to a receiver; and one or more processors configured to: sample the radar return signal at a periodic sample rate, wherein timing of the periodic sample rate following transmission of the radar signal corresponds to a range bin; determine a first signal power measurement of the sampled radar return signal of the first range bin based on Doppler signal processing, wherein the first signal power measurement comprises at least one of a ground signal power component or a weather signal power component; determine a quality of the first signal power measurement; and if the quality of the first signal power measurement is above a threshold, estimate reflectivity values of the sampled radar return signal of the first range bin based on the first signal power measurement; if the quality of the first signal power measurement is below the threshold: determine a second signal power measurement of the sampled radar return signal of the first range bin based on non-Doppler signal processing; and estimate reflectivity values of the sampled radar return signal of the first range bin based on the second signal power measurement; sample the radar return signal at a periodic sample rate, wherein timing of the periodic sample rate following transmission of the radar signal corresponds to a range bin; determine a first signal power measurement of the sampled radar return signal of the first range bin based on Doppler signal processing, wherein the first signal power measurement comprises at least one of a ground signal power component or a weather signal power component; determine a quality of the first signal power measurement; and if the quality of the first signal power measurement is above a threshold, estimate reflectivity values of the sampled radar return signal of the first range bin based on the first signal power measurement; if the quality of the first signal power measurement is below the threshold: determine a second signal power measurement of the sampled radar return signal of the first range bin based on non-Doppler signal processing; and estimate reflectivity values of the sampled radar return signal of the first range bin based on the second signal power measurement; determine a second signal power measurement of the sampled radar return signal of the first range bin based on non-Doppler signal processing; and estimate reflectivity values of the sampled radar return signal of the first range bin based on the second signal power measurement; memory, wherein the memory is configured to store the estimated reflectivity values.