We investigate the possibility that the required soundings can be inferred or estimated given observations of radial velocity and reflectivity from Doppler radars, together with a forecast model and a reasonably sophisticated data assimilation scheme. It is clear that such observations contain significant, but indirect, information about the sounding: most simulations of observed convective storms involve some subjective manipulation of the sounding to improve the agreement of the simulations with radar observations. Parameter estimation within the context of an ensemble Kalman filter provides a more objective means of achieving the same end. We will report results from preliminary tests of such techniques using simulated data from numerical simulations of supercells and squall lines.
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