Progress Report!for 2003 INM

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Progress Report!for 2003 INM

• e.rodriguez_at_inm.es

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Operational system in use at the end of 2003 (I)

• The operational system is still based on HIRLAM
  version 4.6.2 (see previous LAM Newsletters). Two
  suites are currently operational at INM OPR (0.5
  degrees, 31L) and HIR (0.2 degrees, 31L), (See
  figures for integration domains). The new
  mainframe (CRAY X1) was installed this summer and
  our group is embarked, first, on the acceptance
  process and, second, on the implementation of a
  new suite on the X1. An independent 3-hourly
  assimilation with short cut-off time is also run
  to assist nowcasting activities.
• Apart from its use in the operational forecasting
  system, HIRLAM data are also used as input to
  different applications a) trajectories and
  diffusion models to determine hazardous
  emissions b) forecast automation generation of
  written forecasts from direct NWP outputs and
  statistical adapted products based on Multimeteo
  software c) sea state applications.

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Operational system in use at the end of 2003 (II)
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Features of the new CRAY X1 and of the
foreseeable new suite

• CRAY X1 (40 vector processors) July 2003 CRAY
  X1E (32 processors) End of 2004
• The first implementation supplies sustained 140
  Gflops using the IFS code, whereas the final one
  supplies 360 Gflops.
• Tentatively and depending on the ongoing tests,
  the INMs assimilation and forecasting system
  will consist of a synoptic suite with European
  North Atlantic domain (approx. 726 x 335 x 60,
  0.15º) and a mesoscale suite with Iberian
  peninsula domain (0.07º). Latest version of
  HIRLAM available at the implementation time
  (3D-VAR assim., best physics options,...) will be
  used (6.2?).

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Verification and archive

• The HIRLAM_INM verification bulletin can be
  consulted on-line http//www.inm.es
• The operational archive for HIRLAM 0.5º (0.2º)
  dates back to March 1995 (October 1995).

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Research and development (I)

• Condensation processes. The Kain-FritschRash-Kris
  tjansson scheme is still under testing both in
  long runs and case studies previous to its
  implementation on the reference system
  (García-Moya, Calvo). Contribution to the EUROCS
  EU Project (with 1D and 3D simulations) (Calvo).
• Surface issues (analysis parameterization) i)
  alternative snow depth analysis based on OI (see
  (Cansado Navascués 2003)) ii) Re-computation
  of background error statistics for T2m and RH2m
  analyses (Martín) iii) Explicit soil moisture
  freezing/melting algorithm (see (Parodi et al.
  2003)) iv) Impact of new physiographic databases
  (Fernández) v) ELDAS EU Project to develop and
  test a new algorithm for soil moisture
  assimilation (Parodi, Navascués, Rodríguez) vi)
  Implementation and tests of a new soil moisture
  variational assimilation algorithm (see (Balsamo
  et. al. 2003)) (Navascués) vii) surface analysis
  as nowcasting tool (Cansado) viii) Evaluation of
  the surface package in seasonal runs and against
  fields experiments (EFEDA, RhoneAggr) (Parodi,
  Navascués, Rodriguez).

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Research and development (II)

• Upper air analysis work on the assimilation of
  GB GPS (Sánchez, Navascués) (TOUGH Project),
  radar wind and high resolution winds from
  geostationary satellite (Geijo)
• Coupling physics-dynamics in the frame of the
  2TLSLSI scheme. Noise removal in high resolution
  (Martínez)
• Preparation for short range EPS, based on a
  multi-analysis, multi-model, multi-BCs ensemble
  (Santos, Santos, Escribá García-Moya).

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Future

• The arrival of the new computer (CRAY X1) and the
  tasks associated with the installation and
  testing of the new suite will condition the
  activity of the INMs group along the next year.
  Provisional schedule New deterministic suite
  (Jan. 2004), experimental SREPS (Dec. 2004),
  operational SREPS (Dec. 2005).
• Most of the research and development activity
  will be developed in the frame of the next
  HIRLAM6 project, particularly in the area of
  physics and surface assimilation.