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Using RSS for Public Warnings

Explore the integration of Common Alerting Protocol (CAP) and Really Simple Syndication (RSS) for public warnings, emphasizing geospatial coordinates and routing processes. Discover the importance of CAP criteria and the benefits of combining CAP with RSS feeds for timely alerts.

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Using RSS for Public Warnings

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  1. Using RSS for Public Warnings Presented February 21, 2006 at NOAA RSS, Podcast/Vodcast, Blog Workshopby Eliot Christian, United States Geological Survey

  2. Using RSS for Public Warning • The Challenge of Public Warning • Common Alerting Protocol (CAP) and Really Simple Syndication (RSS) • CAP + RSS Examples at USGS • Geospatial Coordinates in RSS NOAA RSS, Podcast/Vodcast, Blog Workshop

  3. The Challenge of Public Warning Collaborative actions are necessary to assure that standards-based, all-media, all-hazards public warning becomes an essential infrastructure component available to all societies worldwide. http://www.isoc.org/challenge NOAA RSS, Podcast/Vodcast, Blog Workshop

  4. The Challenge of Public WarningGoal and Requirements • All-media: All available communications media (from broadcast down to individual targeting) are needed to get timely and appropriate warnings to everyone who needs them, and to only those who need them • All-hazards: Public warning systems should be in routine use for all hazards, not only for rare events such as earthquakes and tsunami, but for severe weather, fire, and other threats. NOAA RSS, Podcast/Vodcast, Blog Workshop

  5. Using RSS for Public Warning • The Challenge of Public Warning • Common Alerting Protocol (CAP) and Really Simple Syndication (RSS) • CAP + RSS Examples at USGS • Geospatial Coordinates in RSS NOAA RSS, Podcast/Vodcast, Blog Workshop

  6. filtering and routing processes Common Alerting Protocol CAPmessage CAPmessage Target Audience Alert Sender NOAA RSS, Podcast/Vodcast, Blog Workshop

  7. filtering and routing processes sending processes receiving processes Common Alerting ProtocolFiltering and Routing Processes • Filtering and Routing Process Examples: • Filtering of warning messages • Routing of warning messages per communications model • Conversion, translation, formatting per specific target device (network routers, PCs, PDAs, telephones, televisions, highway signs, sirens, etc) ! ! Target Audience Alert Sender NOAA RSS, Podcast/Vodcast, Blog Workshop

  8. Common Alerting ProtocolCAP Filtering and Routing Criteria • Date/Time • Geographic Area(polygon, circle, geographic codes) • Status(Actual, Exercise, System, Test) • Scope(Public, Restricted, Private) • Type(Alert, Update, Cancel, Ack, Error) NOAA RSS, Podcast/Vodcast, Blog Workshop

  9. Common Alerting ProtocolCAP Filtering and Routing Criteria • Event Categories(Geo, Met, Safety, Security, Rescue, Fire, Health, Env, Transport, Infra, Other) • Urgency: Timeframe for responsive action(Immediate, Expected, Future, Past, Unknown) • Severity: Level of threat to life or property(Extreme, Severe, Moderate, Minor, Unknown) • Certainty: Probability of occurrence(Very Likely, Likely, Possible, Unlikely, Unknown) NOAA RSS, Podcast/Vodcast, Blog Workshop

  10. Why Really Simple Syndication (RSS)? • Target recipients of messages may not have continuous communications connectivity • News readers allow the user to set the refresh interval differently for each RSS news feed • Messages for weather, earthquakes, etc. are being offered as an RSS (Really Simple Syndication) news feed NOAA RSS, Podcast/Vodcast, Blog Workshop

  11. Combining CAP with RSS • The CAP standard specifies that each message has a unique identifier, date/time stamp, and short human-readable descriptor ("headline") • To support geospatial visualization, it is important to place WGS-84 coordinates (especially point and polygon) directly in the RSS feed, at RSS channel/item level • For internationalization, item "title" value should be a concatenation of fixed CAP values NOAA RSS, Podcast/Vodcast, Blog Workshop

  12. Using RSS for Public Warning • The Challenge of Public Warning • Common Alerting Protocol (CAP) and Really Simple Syndication (RSS) • CAP + RSS Examples at USGS • Geospatial Coordinates in RSS NOAA RSS, Podcast/Vodcast, Blog Workshop

  13. http://earthquake.usgs.gov/eqcenter/recenteqsww/catalogs/ RSS for USGS Earthquake Data

  14. RSS and CAP Feeds from USGS

  15. Use of RSS in USGS USGS public website offers several RSS feeds: • Recent Earthquakes (w/ CAP) • Latest USGS News Releases • Latest Landslide Hazard Alerts (w/ CAP) • Latest Volcano Hazard Alerts (w/ CAP) • National Cooperative Geologic Mapping Program News • Geography – What’s New NOAA RSS, Podcast/Vodcast, Blog Workshop

  16. Using RSS for Public Warning • The Challenge of Public Warning • Common Alerting Protocol (CAP) and Really Simple Syndication (RSS) • CAP + RSS Examples at USGS • Geospatial Coordinates in RSS NOAA RSS, Podcast/Vodcast, Blog Workshop

  17. http://www.georss.org/ GEORSS: Specifying Place

  18. <georss:line> Note: axis order is latitude, longitude GEORSS: Specifying Place <georss:polygon> Note: Closed, anti-clockwise <georss:box> Note: South, West, East, North

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