National Weather Service United States Department of Commerce

Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Read More >


WMO Standard Format

Default NWS text format in use for over 25-years. Used in SBN/NOAAPORT product streams (Channels 101-108 and 201), over EMWIN (GOES platforms), and on weather.gov.
https://www.weather.gov/tg/headef


XMPP Header wrapped WMO Standard Format

Latest format since July 2015 for text weather information, alerts and warnings via NWWS-Open Interface.  Here are some notes for developers; 

https://xmpp.org/extensions/xep-0131.html


Common Alert Protocol (CAP V1.2) Format
Alerts and warnings only format; available over SBN/NOAAPORT Channels 101-108 and on weather.gov.

WARNING: CAP v1.1 should not be used to activate local EAS equipment.


NWS also has the following XML feed formats for Alerts and Warnings;

        ATOM Feed
        https://alerts.weather.gov/

        RSS Feed
        https://www.weather.gov/rss