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Experimental XML Feeds and Web Displays of Watches, Warnings,
and Advisories
NWS is accepting comments through December 1, 2008 on experiemental enhanced feeds of NWS watch/warning and advisories in the CAP 1.1 format. These feeds feature more detailed pre-parsing of NWS products than previously available and also feature ATOM based index feeds. It is expected these feeds will replace the current feeds over the next 18 months.
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NOAA's National Weather Service offers several XML services
|Forecasts||Watch/warnings||Current Observations||Tropical Cyclone Advisories||Storm Prediction Center Forecast Products||Change Notices|
This page provides access to NWS watches, warnings, advisories, and
other similar products several different formats. Select a state
or product name to view a list of active alerts in your web browser.
These files are updated about every two minutes. Tropical Prediction
Center/Storm Prediction center feeds are updated on an as needed
basis. RSS and CAP/XML lists based on state and NWS forecast zones
are provided to aid the automated dissemination of this information.
More information on RSS and CAP/XML formats/feeds.
This is an experimental product of the National Weather Service. Comments
and feedback are welcome. A Product
Description Document is also available.
About HTML/Web
Use html to view the information using your web browser. Select any
state to see a complete of alerts for that state.
About RSS
RSS is an XML based document format for syndicating news and other
timely news-like information. It provides headlines, URLs to the
source document and brief description information in an easy to understand
and use format. RSS based "News Readers" and "News
Aggregators" allow the display of RSS headlines on workstation
desktops. Software libraries exist to read the RSS format and present
RSS headlines on webpages and other online applications.
These NWS supplied RSS documents use the RSS 2.0 format. Each
RSS item links to the html/web documents described above. Additional
technical information is available from the following non-US Government
website:
RSS
2.0 Specification
A non-US Government maintained list of RSS readers, aggregators
and related software:
RSS
Software
Comments on
this service will be accepted until January 31, 2003. Your feedback
will help determine the future of this product.
About CAP/XML
Common Alertings Protocol (CAP) is an non-proprietary standard data
format for the interchange of hazard warning and reports. More information
on CAP can be found at the CAP information:
The
CAP: What, Why and How
Technical information about CAP is available from this non-US
Government maintained website:
CAP
Working Documents
NWS Alert CAP messages contain the county FIPS code
information for the affected county in the cap:geocode tags. Additional
cross references to NWS forecast zones is available.
A list of possible data that is populated in the <cap:event> field
is available.
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