Presentation on theme: "Implementation of CAP by U.S. National Weather Service"— Presentation transcript:
1 Implementation of CAP by U.S. National Weather Service NOAA’s National Weather ServiceImplementation of CAP by U.S. National Weather ServiceRon JonesOffice of the Chief Information OfficerInternet Services BranchNOAA’s National Weather Service
2 Early efforts for XML format Severe weather watches/warnings/advisories made available via Internet in RSS – 2003/2004Very popular with usersRSS feeds by state, county, and aggregated national feedsUpdated every 2 to 3 minutes
3 CAP 1.0Common Alerting Protocol 1.0 offered significant improvements over RSSCAP format begun as experimental format 2004/2005Public coments accepted on format through 2007CAP 1.0 continues as experimental service
4 HazCollectHazCollect Project utilizes NOAA/NWS infrastrcuture to disseminate hazardous situation messages from local emergency management offcialsNWS continues to work with HazCollect project to aggregate CAP messages into NWS datastreamInternet page display of warnings as well as transmission over local NOAA Weather Radio transmitters
5 Migration to CAP 1.1CAP 1.1 features more detailed pre-parsing of NWS products than previously available and also feature ATOM based index feeds.Posted as experimental service mid-2008Public comments accepted through Decembr 1, 2008Messages offered in CAP, Atom, and RSS formatsFeeds make use of the Extensible Stylesheet Language (XSL) to describe how files encoded in the XML standard are to be formatted or transformed for display by your web browser.It is expected these CAP 1.1 feeds will replace the current CAP 1.0 feeds by December 2009.
6 Medium and long range goals Much progress has been made in offering severe weather watches, warnings, and advisiories in CAP format; however, there is still much work to be accomplishedCreation of bulletins in CAP, not parsed from text bulletin“Push” of CAP feeds vs “Pull”Improved use of CAP by local authorities
7 CAP feeds available CAP 1.0 feeds http://www.weather.gov/alerts/ Information on Atom formatAtom Syndication Format