Thiago Quirino and S.G. Gopalakrishnan, AOML/NOAA Hurricane Research Division, Miami, FL Thiago Quirino and S.G. Gopalakrishnan, AOML/NOAA.

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Presentation transcript:

Thiago Quirino and S.G. Gopalakrishnan, AOML/NOAA Hurricane Research Division, Miami, FL Thiago Quirino and S.G. Gopalakrishnan, AOML/NOAA Hurricane Research Division, Miami, FL Advanced Post- Processing, Analysis & Display System for High Resolution HWRF-X system

Model & Post-Processor Development Team ESRL JET, 2008 Robert Rogers, HRD/AOML, Miami Kevin Yeh, Xuejin Zhang, Jian-Wen Bao, PSD, ESRL,boulder Varsha Altug Aksoy, HRD,AOML,Miami Acknowledgements: Frank Marks, HRD/AOML, Miami Sim Aberson, HRD/AOML, Miami Robert Atlas AOML, Miami

~ 60 0 Motivation 1640 mb 184 mb 40 mb Driven by NOAA’s HFIP needs for multi-scale regional model operating down to 1 km resolution. Interpolation from rotated lat/lon to lat/lon grid is inefficient at high resolution of 1-3 km. Must be very careful! NMM-wrfpost uses “copygb” for interpolation without optimization taking several hours at 3-km resolution to complete! Frequent failures with addition of more variables. Need a general data reader and visualization tools for model to model, model to observation comparison and multi-model ensembles at highest resolution. 157 mb 1640 mb 157 mb 300mb 27:9 9:3 9:3:1

Post Processor: Diapost One code, one executable all available within WRF framework (WRF application program interface) Orders of magnitude faster than NMM-wrfpost (at 9 km takes <5 minutes for processing 3-h WRF output for 5 day forecast) Provides binary/flat file data, GrADS control files compatible with GrADS. Also ASCII track information. Grib files produced via HFIP output module. Can be linked to official tracker via output module. Diapost.F90

Capabilities Horizontal: Native rotated lat/lon (minimum loss in information) and standard lat/lon and Cylindrical projection for inner core Vertical: Native hybrid, standard pressure and height Wind swaths, Deep-layer mean, Shear and other hurricane/environment specific variables Inner core details: CFADs and Hovm ö ller diagrams

Hovmöller Tangential Wind Deep Layer Mean Track/Wind swath Environmental Scale Vortex Scale Diapost Products Shear R-Z Mean distance (km)

Data Mining & Display system Need advanced and unified framework for accessing and displaying observations, operational and research model data at highest resolution including ensemble output. User-interactive interface to mine data and generate display for hurricane applications. Input formats: NetCDF, ATCF and Grib * Diapost output is geo-referenced. Analogy: NOAA Operational Model Archive and Distribution System (NOMADS).

Moving nest Track Comparisons Ensemble of TracksGlobal visualization Observation comparisons

Work in progress More diagnostics on vortex scale (Doppler radar velocity and reflectivity). Diapost works on netCDF output, however can be extended to work with WRF-binary outputs. Visualization and data mining tool capable of reading Grib data as well (currently supports netCDF and ATCF format). Wish list under development at this meeting!