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.

• Format   https://docs.oasis-open.org/emergency/cap/v1.2/CAP-v1.2.html


• NWS Source https://alerts.weather.gov/ (NWWS FAQ #5 for NWS Message IDs)

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