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CAP Implementation at Deutscher Wetterdienst: Warning Process & Next Steps

Explore the implementation of the CAP data format at Deutscher Wetterdienst, covering warning processes, formats, publishing methods, and future steps. Learn about the status, open issues, and first results of the warning system integration.

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CAP Implementation at Deutscher Wetterdienst: Warning Process & Next Steps

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  1. CAP Implementation atDeutscher Wetterdienst

  2. Content • Warning process in DWD • Portfolio of warnings • Formats and publishing of warnings • CAP – a powerful data format • Status of implementation and route map • Open issues • First results • Next steps

  3. Warning process in DWD • Law on the Deutscher Wetterdienst § 4 (1) 3 : „… the issuance of warnings of weather occurrences that could become a danger for public safety and order …” Types of warnings: • Public warnings • First candidate for CAP • Combination of more then 8 regions with 50 subareas per region and around 20 meteorological parameters • Different severity classes • Large number of products (upward trend!!) • Aviation warnings • Warnings for global exchange (subset of public and aviation warnings)

  4. Portfolio of public warnings Disaster Management Water Management Energy Provider Event Organiser 10637 * FRANKFURT/M     00860  5005 0111 0108 0     0 10637 +001 2301  14  13 /// /// 22 03 // --- --- 00 / 0 0 0 0 0 1026  14 000 000 -003 10637 +002 2302  14  13 /// /// 20 03 // --- --- 45 / 0 0 0 0 0 1026  13 000 000 -003 10637 +003 2303  14  13 /// /// 22 03 -- --- --- 45 / 0 0 0 0 0 1026  13 000 000 -003 10637 +004 2304  14  13 /// /// 21 02 // --- --- 45 / 0 0 0 0 0 1026  13 000 000 -003 10637 +005 2305  13  13 /// /// 21 03 // --- --- 45 / 0 0 0 0 0 1026  13000 000 -003 Winterservices Construction Industry Transport/Traffic Lake warnings Public & Media Avalanche Center detaillierte Strassengebietswettervorhersage Klimagebiet : Altmark Hoehenstufe: 0 - 200 Meter ausgegeben am: Montag, den 12.01.2009 um 10:45 Uhr von : Deutscher Wetterdienst, Regionalzentrale Leipzig Uhrzeit 13 16 19 22 01 04 07 10 13 Bewoelkung 2 2 3 4 5 6 8 8 8 Niederschlag 0 0 0 0 0 0 R 0 R 1 R 0 Lufttemperatur 2 2 -0 -0 -0 0 1 2 3 Wind (km/h) S20 S20 S10 S10 S20 S20 S20 SW10 SW10 Boeen - - - - - - - - - Streckentyp: Standard Belagstemp. 0 -2 -4 -5 -5 -5 -2 0 1 Zustand: - - - - Reif Reif Reif nass nass NWP Models, -Procedures Observation-Networks Production of Bulletins, Warnings, Datasets (e.g. OMEDES, PVW) Visualisation with Ninjo Forecaster

  5. Formats and publishing of public warnings • Formats and publishing of warnings • Default format (text, ia5) • Non standardised xml formats • Publishing and distribution of public warnings • Webbased applications like (DWD or Meteoalarm frontends) • Customised distribution via fax, email, ftp, sms and other • Published via DWD ftp server Problems: • Text format (“unsuitable” input format for applications) • Different customised (“hand-made”) xml formats

  6. CAP – a powerful data format of warnings • DWD standard format of xml-based warnings (reduction of customised formats) • Standard input format of warning applications (next generation)

  7. Status of implementation and route map • First draft implementation for public warnings Access to draft CAP output via DWD ftp-server: For details, please contact: • reik.schaab@dwd.de • Operational Summer 2011: • 1. step: CAP only as an addionally output format for public warnings • nexts steps: CAP as standard format of warnings and other warning products • Using CAP schema for data exchange between different systems (DWD internally)

  8. CAP only as an addional format • Official Start: June 2011 • Using only a subset of CAP possibilities • Well-defined classes of warning

  9. Next generation: • Using the full functionality of CAP • New products like: • Warning with detailed geo references • Warning status for different areas • …

  10. Open Issues • Powerful xsd schema (Version 1.1, draft version 1.2) • But some problems: • Critical points: • meteorological parameters (<parameter>-tag) • Altitude and ceiling values (<altitude>-, <ceiling>-tag) compliant to German / European law • Nice to have: • Message ID (<identifier>-tag): ID managed by WMO repository AND orginator • Authority ID (<sender>-tag): ID managed by WMO repository email

  11. Description of meteorological parameters (1) Workaround: first idea Problem: Using the <parameter>-tag as “machine-readable” element for meteorological parameters: • Combination of value and unit, • Ranges of values (e.g. between 10 and 20; > 20 or < 20) DWD / Meteoalarm (first workaround) draft Version 1.2 (workaround) !

  12. Description of meteorological parameters (2) Proposal b) Proposal a)

  13. Altitude / ceiling – compliant to German low CAP version 1.1 CAP draft version 1.2 Proposal (unit as optional attribute) with optional attribute (“meter”) without optional attribute (“feet”)

  14. Next steps • Publishing public warning (only as addionally format) via DWD ftp server (for details see: http://www.dwd.de: “Special Users, Basic information supply”): June 2011 • Designing a “DWD” profile • Development of CAP based applications like “apps” or “visualisers”

  15. Contact: Dr. Siegfried Fechner Deutscher Wetterdienst Offenbach E-Mail: siegfried.fechner@dwd.de

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