SEACOOS NowcastForecast System Status

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SEACOOS Nowcast/Forecast System Status

• MPCC
• JAX, FLA
• 27 May, 2003

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SEACOOS Model Domains

• UNC

• Scale of Atmos Forcing
• Mixed Tidal Regimes
• Various Manifestations of WBC

• USF

• UMiami

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Common SNFS Modeling Issues

• Bathymetry
• Open-water BCs
• Elevation
• Tides - FES, OSUs TPXO, Tierney et. Al.
• remote signal (weatherother)
• Mass Flux
• Surface Fluxes , Various Met Model Choice
• AWIP versions of NCEPs ETA10
• Nonhydrostatic research versions
• Interior Initialization Mass Field
• Climatology
• HYCOM,MERCATOR, COFS, POM (Oey)

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Common Issues

• Routine Acquisition of Met Model Output
• Either Direct from NCEP ftp or via LDM
• Manipulation of GRiB data to Model
• Storage (mass archival of ocean model outputs,
  but particularly NCEP products)
• O(1 Terabyte/year) for NCEP products alone

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SEACOOS SNFS Initial (year 1) Goals
determined _at_ NCSC Meeting, Jan 2003

• Computation of 24Hr Nowcasts XX Hr Forecasts
• Forward dynamics only (no Data Assimilation)
• Barotropic mode only, driven by tidal OBCs and
  surface momentum flux from NCEP ETA12
• No model coupling (I.e., no inter-domain
  communication)
• Standard output formats for web serving and
  graphics applications
• netCDF files, common parameters (UVbar, UVsurf,
  Surf. Elev., etc)
• Publication to web via local DODS servers
• oceanlab.rsmas.miami.edu
• www.seacoos.ncsc.org, USF TBA

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Operational System Timeline
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Model Parameter/Physics Table
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Model Domain Stats
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System Forcings
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System Timings (local time)
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System Visualization

• 2-D model fields
• Regional wind field
• Water level
• Depth-averaged currents
• Drifter trajectories
• Observed vs. Computed time series
• Water level
• ADCP

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NCEP Wind fields
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Vertically averaged currents
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Drifter Trajectories
USF
UNC
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Water level Time Series (1)
USF
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Water level Time Series (2)
U Miami
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Water level Time Series (3)
UNC
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To Do.

• Examine topography, coastline
• Synchronize system timings
• Standardize netCDF contents
• Common interpolated grid?
• Manuscript

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Status of North Carolina Supercomputer Center in
RTP, NC

• Board of directors voted to cease operations 30
  June 2003
• Loss of archival site
• . computational nodes
• Serious impact on
• UNC (SABLAM/NOPP, particularly)
• DODS server (nemo.seacoos.ncsc.org)
• Likely solution migration of processes/codes to
  UNC

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Mapping GRiB to Model Nodes
NCL scripts
TriPack
GRiB netCDF
Arbitrary nodes
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NCSC Meeting, Jan 2003

• 1.
• 2.
• 3.