National Weather Service United States Department of Commerce

Fresh Snow and Temperature Outlook Ahead of Christmas Day

If you are looking for fresh snow by Christmas morning or are curious about potential travel disruptions, the best chances for at least 1" of new snowfall early this week exist across the mountainous West, Great Lakes, and Northeast. Otherwise, temperatures this last full week of December will average above normal for much of the lower 48 states. 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