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NEW observations in WRFDA


New member
Dear WRFDA developers,

I need to insert a new observation type for a future satellite mission dedicated to wind (and reflectivity) observations. For winds, instrument will measure a linear combination of U and V wind components (not the component itself). A possible method to assimilate these observations is to retrieve, by another 3DVar, the U,V components of the wind and the assimilating them as radio soundings. This method already gave some positive results, but I would like to insert this kind of observations in WRFDA to be assimilated directly by 3DVar. Is that possible? Is there any starting point (document) to learn how to code this? Considering only 3DVar approach makes the programming easier?