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Comparison of Total Accumulated Precipitation, Graupel, Snow, and Rain in WRF 3.3.1 Simulations

This document analyzes the total accumulated precipitation, graupel, snow, and rain simulations conducted using Trevor’s WRF 3.3.1 framework over a specified period from 0230 to 1700 UTC. The simulations were run without recompiling the executable file and aim to evaluate the performance and outcomes generated from copying Trevor's original setup. The analysis includes results from multiple precipitation types for the GSLE domain and highlights the impact of compiling on simulation output accuracy.

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Comparison of Total Accumulated Precipitation, Graupel, Snow, and Rain in WRF 3.3.1 Simulations

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  1. Trevor’s ControlComparison John D. McMillen

  2. Trevor’sControlGSLETotal Accum.Precip. 0230-1700 UTC WRF 3.3.1 Thom 3.3.1

  3. Copy ofTrevor’sGSLETotal Accum.Precip. 0230-1700 UTC This run is a copy of Trevor’s wrf.exe Without compiling On my file structure

  4. WRF 3.3.1Thom 3.3.1Total Accum.Precip. 0230-1700 UTC Trevor’s wrf.exe Compiled in my File structure

  5. Total Accumulated Precipitation Analysis0230 - 1700 UTC GSLE Domain

  6. Trevor’sGSLETotal Accum.Graupel 0230-1700 UTC WRF 3.3.1 Thom 3.3.1

  7. Copy ofTrevor’sGSLETotal Accum.Graupel 0230-1700 UTC This run is a copy of Trevor’s wrf.exe Without compiling On my file structure

  8. WRF 3.3.1Thom 3.3.1Total Accum.Graupel 0230-1700 UTC Compiled in my File structure

  9. Total Accumulated Graupel Analysis0230 - 1700 UTC GSLE Domain

  10. Trevor’sGSLETotal Accum.Snow 0230-1700 UTC WRF 3.3.1 Thom 3.3.1

  11. Copy ofTrevor’sGSLETotal Accum.Snow 0230-1700 UTC This run is a copy of Trevor’s wrf.exe Without compiling On my file structure

  12. WRF 3.3.1Thom 3.3.1Total Accum.Snow 0230-1700 UTC Compiled in my File structure

  13. Total Accumulated Snow Analysis0230 - 1700 UTC GSLE Domain

  14. Trevor’sGSLETotal Accum.Rain 0230-1700 UTC WRF 3.3.1 Thom 3.3.1

  15. Copy ofTrevor’sGSLETotal Accum.Rain 0230-1700 UTC This run is a copy of Trevor’s wrf.exe Without compiling On my file structure

  16. WRF 3.3.1Thom 3.3.1Total Accum.Rain 0230-1700 UTC Compiled in my File structure

  17. Total Accumulated Rain Analysis0230 - 1700 UTC GSLE Domain

  18. Conclusions • Even though I copied Trevor’s wrf.exe over and ran it without recompiling, there is no way to know if he recompiled sometime after he created the control simulation.

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