AWIPS NEXRAD Level 3 Rendered with Matplotlib

Shown here are plots for Base Reflectivity (N0Q, 94) and Base Velocity (N0U, 99) using AWIPS data rendered with Matplotlib, Cartopy, and MetPy. This example improves upon existing Level 3 Python rendering by doing the following:

  • Display scaled and labeled colorbar below each figure.
  • Plot radar radial images as coordinate maps in Cartopy and label with lat/lon.
  • 8 bit Z and V colormap and data scaling added to MetPy from operational AWIPS.
  • Level 3 data are retrieved from the Unidata EDEX Cloud server (edex-cloud.unidata.ucar.edu)
  • Raw HDF5 byte data are converted to product values.
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From GEMPAK to AWIPS: Building the NSHARP Dynamic Library on OS X

A little known fact in the world of AWIPS(II) is just how dependent the system still is on NAWIPS-GEMPAK. The entire National Centers Perspective is dependent on pre-built shared object files for 64-bit Linux, which means that all of the D2D plugins which extend NSHARP (for bufr obs, NPP profiles, forecast models, etc.) also depend on these libraries.

This dependency has prevented use of the NSHARP plugin in the first release (15.1.1) of the OS X CAVE client. These are the steps taken to build NSHARP and GEMPAK libraries for OS X AWIPS 16.2.2.

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Colored Temperature Obs in CAVE D2D (NMAP2-style)

One of the new data visualizations available in the upcoming AWIPS 16.2.2 release is a recreation of the legacy GEMPAK/NAWIPS colored temperature ("color_temp") bundle.

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Requesting Grid Parameters and Levels with python-awips

The Python AWIPS Data Access Framework can be used to query available grid parameters and levels if given a known Grid name (as of AWIPS 15.1.3 we can not query derived parameters, only parameters which have been directly decoded).

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MRMS in AWIPS II 14.4.1

If you direct your AWIPS II repo (/etc/yum.repos.d/awips2.repo) to point to http://www.unidata.ucar.edu/repos/yum/awips2-dev/ (rather than http://www.unidata.ucar.edu/repos/yum/awips2/) you can install the latest development build of AWIPS II (currently 14.4.1-5n13), which has limited support for MRMS (Multi-Radar/Multi-Sensor) products available as grids.

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