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Aviation Weather Center

Aviation Weather Center. Joshua Scheck NCEP Production Suite Review 2018. Benefits of 3-D fractional cloud coverage on native vertical levels Allows for derivation of a more accurate, multi-layered representation of cloud cover

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Aviation Weather Center

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  1. Aviation Weather Center Joshua Scheck NCEP Production Suite Review 2018

  2. Benefits of 3-D fractional cloud coverage on native vertical levels • Allows for derivation of a more accurate, multi-layered representation of cloud cover • Better supports aviation user need by providing layered information (ie. TAFs, GFA) First Guess Primary Cover 3-D Fraction Final GFA Clouds • AWC creates automated cloud layer grids to support NWS Digital Aviation Services (DAS) and TAF creation • Resultant grids then feed into Graphical Forecasts for Aviation (GFA) cloud product • Allows for consistent depiction of clouds from regional to national level

  3. Turbulence Global Turbulence Guidance • Multi-diagnostic calculation of turbulence in Eddy Dissipation Rate units • RAP and GFS (FV3); All from Unified Post (UPP) in 2019 • HRRR-based in UPP with FV3 upgrade (2024)

  4. Icing Current/Forecast Icing Product • Weighted blend of fields to produce Icing Probability/SeverityTransitioning RAP-based to WCOSS • EMC maintains UPP version on GFS (FV3) • Version 2.x in plans for HRRR FV3 in UPP (2024) • Agnostic solution to apply to RAP/GFS (FV3) Needs consistent model microphysical output on native levels across FV3 suite

  5. Questions Joshua.Scheck@noaa.gov

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