Severe Thunderstorms in the Upper Midwest; Heat Continues in the Southwest

Scattered severe thunderstorms may produce damaging winds, large hail, a tornado or two, and heavy rain across parts of the Upper Midwest, mainly this evening through Saturday. Very hot temperatures will continue through today across the Desert Southwest, which could break daily high temperature records. 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

Severe Thunderstorms in the Upper Midwest; Heat Continues in the Southwest

NWS Formats