New Use Case: construct use case verifying GFS cloud forecasts vs. GFS cloud analyses #2743
Labels
METplus: Clouds
reporting: NRL METplus
Naval Research Laboratory METplus Project
requestor: Navy/NRL
Naval Research Laboratory
type: new use case
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Describe the New Use Case
This use case will demonstrate verifying forecasts of cloud information using the GFS global 0.25 degree grid using
GridStat
.The fields to verify will be cloud fields we identify in GFS output such as:
We will need to search for and identify the proper field names and levels in the GFS files.
The measures of skill that should be included are:
The end goal is for the user to be able to substitute the GFS analysis which we will use as "truth", with a separate GFS-based AI/ML cloud forecast product on the same GFS 0.25 degree grid. This framework is to support them to be able to do this. We may get some sample data of their truth, however due to restrictions on releasing the data we may need to leave the GFS analysis in place.
The user would also like to be able to stratify forecast performance based on categories of cloud types. These cloud types will be provided later on, but we should brainstorm another type of stratification we can perform using an external classification (maybe weather regimes? precipitation type?), or, implement some simple post-processing, for example stratify performance by all clouds e.g. >= 8 km ("high clouds").
Checklist to get working:
Use Case Name and Category
`model_applications/clouds/GridStat_fcstGFS_obsGFS_cloudFracBaseTop
Input Data
GFS 0.25 degree forecasts and analyses.
List input data types and sources.
Provide a total input file size, keeping necessary data to a minimum.
Acceptance Testing
Describe tests required for new functionality.
As use case develops, provide a run time here
Time Estimate
Estimate the amount of work required here.
Issues should represent approximately 1 to 3 days of work.
Sub-Issues
Consider breaking the new feature down into sub-issues.
Relevant Deadlines
Must be completed by 12/31/2024
Funding Source
7730022
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Milestone and Projects
Define Related Issue(s)
Consider the impact to the other METplus components.
New Use Case Checklist
See the METplus Workflow for details.
Branch name:
feature_<Issue Number>_<Description>
Pull request:
feature <Issue Number> <Description>
Select: Reviewer(s) and Development issue
Select: Milestone as the next official version
Select: METplus-Wrappers-X.Y.Z Development project for development toward the next official release
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