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CXML data exchange. Beth Ebert Centre for Australian Weather & Climate Research Bureau of Meteorology 8 th TIGGE Working Group Meeting 22-24 February 2010, Geneva. Recommendations from 2006 International Workshop on Tropical Cyclones:. The WMO should take all necessary action to:

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cxml data exchange

CXML data exchange

Beth Ebert

Centre for Australian Weather & Climate Research

Bureau of Meteorology

8th TIGGE Working Group Meeting

22-24 February 2010, Geneva

recommendations from 2006 international workshop on tropical cyclones
Recommendations from 2006 International Workshop on Tropical Cyclones:

The WMO should take all necessary action to:

  • improve the communication between operational centres and facilitate the dissemination of all tropical cyclone-related NWP products, such as the deterministic and ensemble forecasts (including the full set of ensemble runs),
  • make them available to all RSMCs, TCWCs and researchers in real-time.

WMO should investigate the most appropriate ways to achieve this goal:

  • coordinate with the NWP and major operational centres (RSMCs and TCWCs) in order to define a set of resolvable tropical cyclone characteristics to be provided and timely disseminated by the NWP centres through the GTS (e.g. centre location, minimum sea level pressure, max wind, wind radii by quadrants, etc…) and define the appropriate standardised format,
  • and/or find a WMO-sponsored dedicated reference centre (similarly to what has been done with the Severe Weather Information Centre for the dissemination of the analysis and forecast products issued by the main operational centres) able to host and maintain a single global data base of the tropical cyclone forecasts originating from the different NWP centres.
near real time cyclone data exchange
Near real time cyclone data exchange
  • Data exchanged via FTP (some sites require registration)
  • TC data archived at NCAR at http://dss.ucar.edu/datasets/ds330.3/ under 'Data Access' and 'Internet Download'
  • Data format is CXML (Cyclone XML), designed to exchange TC analyses, deterministic forecasts, and ensemble forecasts,

http://cawcr.gov.au/bmrc/projects/THORPEX/TC

cxml status feb 2010
CXML status – Feb 2010
  • Overwhelmingly positive response from TC community
  • Excellent response by TIGGE data providers
  • NOT a replacement for BUFR and CREX, just an alternative
  • Many good suggestions for improvement have been incorporated
  • Version 1.2 released August 2009
  • Sample software available to write and read CXML
    • CXML converter  ATCF (Automated Tropical Cyclone Forecast format)
    • CXML readers now available in Fortran, IDL, Java
    • CXML writers in Fortran, Java
  • More information on CXML project web site http://cawcr.gov.au/bmrc/projects/THORPEX/CXML
  • Permanent home for CXML?