Cory Martin

## Description This discussion started in https://github.com/ufs-community/ufs-weather-model/issues/1052 but continuing it here. Many of the fields in the `sfcfNNN.nc` files look like so: ``` float soilt1(time, tile, grid_yt, grid_xt) ; float...

Read cube sphere grid increments for DA/IAU

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**Is your feature request related to a problem? Please describe.** In anticipation of transitioning from GSI to JEDI for UFS DA capabilities, we would like FV3 to be able to...

Add IAU to snow DA (and its test)

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# Description This PR enables IAU for the snow DA which is necessary for GFSv17. A snow analysis is created for the center of the window regardless, and an additional...

### What new functionality do you need? Need to initialize the ensemble forecast members based on the deterministic snow analysis and the background ensemble spread. ### What are the requirements...

### What new functionality do you need? @andytangborn with help from @guillaumevernieres has created an OOPS application to compute the variance at every analysis cycle in order to have a...

### What new functionality do you need? The aerosol analysis may (will likely) run at a resolution lower than the cycled forecast. Plus, for the early cycle, we need the...

Remove prod_util hack from UFSDA module load script

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**Description** Discussed in #1349 and offline with @aerorahul , there really is no need for prod_util things here besides a `UTILROOT` in config.base. This should be cleaned up/fixed properly. **Requirements**...

GOCART AOD files not copied properly

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### What is wrong? The GOCART instantaneous AOD is hard-coded to write out every 6 hours, but the copy routine at the end of the forecast job uses `${FV3_OUTPUT_FH}` to...