CAP Implementation at Deutscher Wetterdienst

Deutscher Wetterdienst – 23 February 2014 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 Content

Deutscher Wetterdienst – 23 February 2014 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) Warning process in DWD

Deutscher Wetterdienst – 23 February 2014 Portfolio of public warnings Water Management Lake warnings Transport/Traffic Winterservices Event Organiser Energy Provider Disaster Management Construction Industry Public & Media Avalanche Center detaillierte Strassengebietswettervorhersage Klimagebiet : Altmark Hoehenstufe: Meter ausgegeben am: Montag, den um 10:45 Uhr von : Deutscher Wetterdienst, Regionalzentrale Leipzig Uhrzeit Bewoelkung Niederschlag R 0 R 1 R 0 Lufttemperatur Wind (km/h) S20 S20 S10 S10 S20 S20 S20 SW10 SW10 Boeen Streckentyp: Standard Belagstemp Zustand: Reif Reif Reif nass nass * FRANKFURT/M /// /// // / /// /// // / /// /// / /// /// // / /// /// // / NWP Models, -Procedures Observation- Networks Visualisation with NinjoForecaster Production of Bulletins, Warnings, Datasets (e.g. OMEDES, PVW)

Deutscher Wetterdienst – 23 February 2014 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, , ftp, sms and other Published via DWD ftp server Problems: Text format (unsuitable input format for applications) Different customised (hand-made) xml formats Formats and publishing of public warnings

Deutscher Wetterdienst – 23 February 2014 DWD standard format of xml-based warnings (reduction of customised formats) Standard input format of warning applications (next generation) CAP – a powerful data format of warnings

Deutscher Wetterdienst – 23 February 2014 First draft implementation for public warnings Access to draft CAP output via DWD ftp-server: For details, please contact: 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) Status of implementation and route map

Deutscher Wetterdienst – 23 February 2014 CAP only as an addional format Official Start: June 2011 Using only a subset of CAP possibilities Well-defined classes of warning

Deutscher Wetterdienst – 23 February 2014 Using the full functionality of CAP New products like: Warning with detailed geo references Warning status for different areas … Next generation:

Deutscher Wetterdienst – 23 February 2014 Powerful xsd schema (Version 1.1, draft version 1.2) But some problems: -Critical points: -meteorological parameters ( -tag) -Altitude and ceiling values ( -, -tag) compliant to German / European law -Nice to have: -Message ID ( -tag): ID managed by WMO repository AND orginator -Authority ID ( -tag): ID managed by WMO repository Open Issues

Deutscher Wetterdienst – 23 February 2014 Description of meteorological parameters (1) Problem: Using the -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) first idea ! Workaround:

Deutscher Wetterdienst – 23 February 2014 Description of meteorological parameters (2) Proposal b) Proposal a)

Deutscher Wetterdienst – 23 February 2014 Altitude / ceiling – compliant to German low CAP version 1.1CAP draft version 1.2 Proposal (unit as optional attribute) with optional attribute (meter) without optional attribute (feet)

Deutscher Wetterdienst – 23 February 2014 Publishing public warning (only as addionally format) via DWD ftp server (for details see: Special Users, Basic information supply): June 2011 Designing a DWD profile Development of CAP based applications like apps or visualisers Next steps

Deutscher Wetterdienst – 23 February 2014 Contact: Dr. Siegfried Fechner Deutscher Wetterdienst Offenbach