NCL PLOT WRF DOMAIN

This page shows how to create helicity plots. This requies the WRF simulation at least for the very first timestep to be done before we can visualize the domain. Hello, How could I make ax1. Hi, How did you convert grb to netcdf? Before this one, I had also tried NCL and wrf-python packages. In the meanwhile, if I have time I will further polish it and make it more user-friendly. In the second plot, it’s hard to see the map outlines. This example is similar to the previous one, except it shows how to set some more plot resources to get a slightly nicer plot.

The script is well-documented and is easy to configure and run. This page provides some graphical scripts to help you understand WRF grids and to debug problems you might run into. In the meanwhile, if I have time I will further polish it and make it more user-friendly. This page shows how to create precipitation contour plots. This page shows how to regrid data from one grid or mesh, to another grid or mesh. This site uses cookies. This example shows how to overlay line contours, vectors, and filled contours on a map. See this short tutorial for more information.

I put the code I used for Figure 1 on Github, and here are some explanations:. This is a good variable to use for testing purposes, because it’s easy see if the plot looks correct. The animation is filled contours of WRF reflectivity across time and four selected level indexes overlaid on a WRF terrain plot. The other methods will work on curvilinear grids. The point of this example is to show another way of drawing WRF plots.

Notice that with this plot, you get some very nice titling without much effort. This page shows how to create precipitation contour plots. This page shows how to create helicity plots. This example shows two llot to create a frame 4-panel animation in NCL, with tips on how to speed things up. Let me know if this solves your question. It is obvious that NCL can provide a quick overview of the domain configuration, which is super useful in setting up the model when iterative modifications to the domain are needed.

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The second plot shows the same streamlines drawn in the native WRF map projection. This page shows how to regrid data from one grid or mesh, to another grid or mesh.

The “HGT” variable is plotted here. This requies the WRF simulation at least for the very first timestep to be done before we can visualize the domain. Figure 1 is an example plot. This site uses cookies.

NCL scripts for plotting WRF data

I may add this logic later. I am sure we can modify this, but I did not put too much effort here. For example, the CESM grids do not change with time, while the WRF model s allow for this possibility by making the latitude and longitude arrays a function of time.

The script is well-documented and is easy to configure and run.

The third plot shows how to set map resources to thicken the map outlines and to make the streamlines less vivid. Hello, How could Bcl make ax1.

This transformation is not needed if you have defined the native grid that your data is on. Fill in your details below or click an icon to log in: The terrain plot is the same for each iteration, while the reflectivity plots change for each time and level. This page shows how to plot domai tracks. Before this one, I had also tried NCL and wrf-python packages.

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The timings on a Mac system were as follows: You are commenting using your Facebook account.

Visualizing WRF domain | WolfScie

By continuing to use this website, you agree to their use. It goes from 0 to say 10, and you just give the layer you want to put on top a larger number. I put the code I used for Figure 1 on Github, and here are some explanations: If that is the case, you domaih find the specific color code of the first color following this discussion domxin For now it only includes lcc projection.

In the meanwhile, if I have time I will further polish it and make it more user-friendly. This page is not limited to just WRF data. Also, by default, it presents the D01 domain as the whole figure, which is sometimes a little confusing.

You get a labelbar title for color contour plots. However, some software processing tools may require data files to be Climate and Forecast CF convention conformant. Hi, How did you convert grb to netcdf? Below are the codes for Figure 3.

NCL Graphics: Using gsn_csm scripts to plot WRF-ARW data

nc, Sorry I did not quite get your question. Here’s an example of some of those resources: NCL-related questions should be sent to ncl-talk. See below for their outputs: I am putting the codes on Github https: Thus it requires several inputs when you have nested domains. Visualization of WRF domain from home-made Python.