# Direct Variational Assimilation of Radar Reflectivity and Radial Velocity Data: Issues with Nonlinear Reflectivity Operator and Solutions

> Research article (Monthly Weather Review, 2019) · cited 39× · AI/ML

**Wikidata**: [openalex:W2997475617](https://www.wikidata.org/wiki/openalex:W2997475617)  
**Source**: https://4ort.xyz/entity/direct-variational-assimilation-of-radar-reflectivity-and-radial-velocity-data-issues-with-nonlinear-reflectivity-operat