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Home > Alerts

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.

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.

A | C | D | F | G | H | I | K | L | M | N | O | P | R | S | T | U | V | W | --U.S.--
HTML/WEB RSS CAP RSS
By State By County/Zone
Alabama RSS Format XML Format RSS Format
Alaska RSS Format XML Format RSS Format
America Samoa RSS Format XML Format RSS Format
Arizona RSS Format XML Format RSS Format
Arkansas RSS Format XML Format RSS Format
California RSS Format XML Format RSS Format
Colorado RSS Format XML Format RSS Format
Connecticut RSS Format XML Format RSS Format
Delaware RSS Format XML Format RSS Format
District of Columbia RSS Format XML Format RSS Format
Florida RSS Format XML Format RSS Format
Georgia RSS Format XML Format RSS Format
Guam RSS Format XML Format RSS Format
Hawaii RSS Format XML Format RSS Format
Idaho RSS Format XML Format RSS Format
Illinois RSS Format XML Format RSS Format
Indiana RSS Format XML Format RSS Format
Iowa RSS Format XML Format RSS Format
Kansas RSS Format XML Format RSS Format
Kentucky RSS Format XML Format RSS Format
Louisiana RSS Format XML Format RSS Format
Maine RSS Format XML Format RSS Format
Marianas RSS Format XML Format N/A
Maryland RSS Format XML Format RSS Format
Massachusetts RSS Format XML Format RSS Format
Michigan RSS Format XML Format RSS Format
Midway Island RSS Format XML Format N/A
Minnesota RSS Format XML Format RSS Format
Mississippi RSS Format XML Format RSS Format
Missouri RSS Format XML Format RSS Format
Montana RSS Format XML Format RSS Format
Nevada RSS Format XML Format RSS Format
Nebraska RSS Format XML Format RSS Format
New Hampshire RSS Format XML Format RSS Format
New Jersey RSS Format XML Format RSS Format
New Mexico RSS Format XML Format RSS Format
New York RSS Format XML Format RSS Format
North Carolina RSS Format XML Format RSS Format
North Dakota RSS Format XML Format RSS Format
Ohio RSS Format XML Format RSS Format
Oklahoma RSS Format XML Format RSS Format
Oregon RSS Format XML Format RSS Format
Pennsylvania RSS Format XML Format RSS Format
Puerto Rico RSS Format XML Format RSS Format
Rhode Island RSS Format XML Format RSS Format
South Carolina RSS Format XML Format RSS Format
South Dakota RSS Format XML Format RSS Format
Tennessee RSS Format XML Format RSS Format
Texas RSS Format XML Format RSS Format
Utah RSS Format XML Format RSS Format
Vermont RSS Format XML Format RSS Format
Virgin Islands RSS Format XML Format RSS Format
Virginia RSS Format XML Format RSS Format
Washington RSS Format XML Format RSS Format
West Virginia RSS Format XML Format RSS Format
Wisconsin RSS Format XML Format RSS Format
Wyoming RSS Format XML Format RSS Format
National (all) RSS Format XML Format N/A
Atlantic and Caribbean Hurricanes RSS Format N/A N/A
Eastern Pacific Hurricanes RSS Format N/A N/A
Per-storm Hurricane Feeds RSS Format N/A N/A
Storm Prediction Center (SPC) Forecast Products RSS Format N/A N/A
For SPC watches and watch status reports only RSS Format N/A N/A
For SPC mesoscale discussions only RSS Format N/A N/A

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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     Page last Modified: 27 August, 2008 3:26 PM