Dangerous Cold for Most of the Eastern U.S.; Critical Fire Weather for Southern California

Arctic air encompassing the eastern two-thirds of the United States will persist with a slow return to normal temperatures expected by the end of the week. The below average temperatures will prolong the travel impacts and exacerbate the threat from the cold for those with power outages across the Gulf Coast and Southeast. Critical fire weather conditions persist in southern California. 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.

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)

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

Dangerous Cold for Most of the Eastern U.S.; Critical Fire Weather for Southern California

NWS Formats