Software Development LAPS Workshop Oct 25-27, 2010 More info (including Forum) at: OAR/ESRL/GSD/Forecast.

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Presentation transcript:

Software Development LAPS Workshop Oct 25-27, 2010 More info (including Forum) at: OAR/ESRL/GSD/Forecast Applications Branch

OAR/ESRL/GSD/Forecast Applications Branch

LAPS Radar Ingest Level-II Broadcast Data (IRADS Network) Level-II Broadcast Data (IRADS Network) GSD Central Facility Processing GSD Central Facility Processing Polar netCDF File (GSD “NIMBUS” Format) Polar netCDF File (GSD “NIMBUS” Format) Remap_polar_netcdf.exe 2-D LAPS Grid Reflectivity (VRC) 2-D LAPS Grid Reflectivity (VRC) 3-D LAPS Grid Ref + Vel (VXX) 3-D LAPS Grid Ref + Vel (VXX) Mosaic_radar.x (multiple radar input) Mosaic_radar.x (multiple radar input) 2-D LAPS Grid Reflectivity (VRC) 2-D LAPS Grid Reflectivity (VRC) 3-D LAPS Grid Reflectivity (VRZ) 3-D LAPS Grid Reflectivity (VRZ) NOWRAD netCDF (Low-level Reflectivity) NOWRAD netCDF (Low-level Reflectivity) Level-III AWIPS Level-III AWIPS LAPS script (LapsRadar.pl) calls WFO program (tfrNarrowband2netCDF) vrc_driver.x

Cloud Analysis (cloud.exe) Flow Chart Cloud Fraction 3-D Isosurface

Microphysics, Vertical Motion and Hot-Start (deriv.exe + accum.exe) LAPS hot-start scheme Dramatically improves Very short-range forecast, Importance to terminal Scale forecasts The hot-start scheme will be adapted into STMAS, a multi-grid variational data assimilation system with satellite, radar, conventional obs and model dynamic constraint applied simultaneously.

Analyzed Cloud Liquid vs WISP Aircraft measurements Envelope Indicates Good POD Scatter (FAR) due to unresolved small-scale LWC variability, otherwise good analysis of icing potential OAR/ESRL/GSD/Forecast Applications Branch6

Balance Package OAR/ESRL/GSD/Forecast Applications Branch7 Hatted quantities: solution increment Primed quantities: pre-balanced increment

Future Cloud Analysis Development Higher Resolution Time/Space Develop forward models for all data sources being used to more fully implement a variational approach Incorporate methodologies into STMAS & GSI Consider new data sources (e.g. airborne radar) Improve rain gauge / radar / model first guess blending for QPE OAR/ESRL/GSD/Forecast Applications Branch8

Web Products NCL/NCAR graphics based Pre-Generated NCAR graphics – “Sched.pl –f” runs followup_ncarg.sh to generate GIF images “On-the-fly” page – “nph-laps.cgi” script (etc/www) directory – Can be run on a web server – Publication quality imagery – Horizontal, vertical cross sections, soundings – Verify/overlay model forecasts with analyses and observations – Difference plots (e.g. analysis vs. first guess) – Animations (animated GIF / Java) – Montages (e.g. ensemble display through time) OAR/ESRL/GSD/Forecast Applications Branch

“On-The-Fly” Page OAR/ESRL/GSD/Forecast Applications Branch

“On-the-fly” Page Montage – “On-The-Fly” Page OAR/ESRL/GSD/Forecast Applications Branch

LAPS / STMAS Forum OAR/ESRL/GSD/Forecast Applications Branch Discussion Forum

Analysis software plans Portability – Intel/ifort – GFORTRAN – Mac (Linux) Parallelization – MPI works with Traditional LAPS wind analysis – STMAS minimization routine is next – GPU technology Optimize & Vectorize serial code Sub-Kilometer resolution – Hi-res Terrain / Land Use (incorporated in balancing constraints) OAR/ESRL/GSD/Forecast Applications Branch

Thanks! More info at: Questions / Comments? OAR/ESRL/GSD/Forecast Applications Branch