What's New in the National Blend of Models version 3.1

What's New in the National Blend of Models version 3.1

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Intended for U.S. National Weather Service forecasters, this short video describes changes to the NWS National Blend of Models when it was updated to v3.1. These changes include:
  • More global, mesoscale, and ensemble components;
  • Increased spatial resolution of some components;
  • New and improved weather elements for aviation, QPF, winter, fire, and marine weather forecasting;
  • Significant wave height for offshore waters and the Great Lakes;
  • Improved bias correction;
  • MOS-like text products;
  • Shortened NBM forecast projections delivered at 19 UTC.
For an illustrated transcript, see What’s New in NBM v3.1? (http://www.meted.ucar.edu/nwp/blend_v31/NBM_v31_script.pdf)