National Weather Service United States Department of Commerce

Dangerous Heat Wave for the West; Severe Storms and Heavy Rain for Midwest and Plains

Severe storms and heavy rains are likely in the Upper Midwest and Plains through this evening. A long duration heat wave will build across the West through next week with excessive heat watches/warnings in effect from the Southwest to Northwest. TS Josephine is forecast to pass well north of Puerto Rico and the Virgin Islands while TS Kyle is forecast to move quickly away from land this weekend. Read More >

NOAA Weather Wire Service

The National Weather Service (NWS) enterprise National Oceanic and Atmospheric Administration (NOAA) Weather Wire Service (NWWS) provides television and radio broadcasters, emergency managers, commercial / private alerting services, and the general public the fastest receipt of current weather information, alerts and warnings sent in text format from the local NWS Weather Forecast Offices and National Centers.

Sign up for NWWS-Open Interface Account here.

Current Status


NWWS Satellite Service, SBN/NOAAPORT  Channel 201 on Galaxy-28 Operational
NWWS-Open Interface(NWWS-OI) Primary server  Operational
NWWS-OI  Backup server Stand-by
Next Server Transition  September 14, 2020

Note: This status is only updated during normal NWS business hours (M-F)  Eastern Daylight Time (EDT)

Monthly server transitions occur on the 2nd full week on the month (generally on Monday and re-transitioning back on Wednesday) beginning at 1400 Zulu (10 am EDT on each day). There may be a temporary product outage lasting 10-90 minutes as software patches and security updates are verified and databases synchronize.  Actual day and time of transition may be affected by Critical Weather Day (CWD) declaration(s) (, other scheduled NWS system/priority changes, or unscheduled emergencies.

Please restart your systems after a scheduled server transition to ensure your account is properly connected to the NWWS-OI chatroom.


Next monthly NWWS server transition: 1400Z on August 10th and 12th


Local Storm Reports (LSRs) and Public Information Statements (PNSs) previously lost from NWWS due to a recent software update will now be re-directed for NWWS dissemination.


Non-Weather Emergency Messages (NWEMs) sent from external users can now be added to the NWWS dissemination product stream.


Public Information Statements and Service Change Notices



Local Emergency Management Agency Notifications
Interactive NWS (iNWS)


NOAA Weather Radio (162.400 MHz – 162.550 MHz)


NOAA Weather Wire Service (NWWS)
NWS FTP Anonymous


EMWIN (GOES East/West)
SBN/NOAAPORT PID 101-108 (all NWS products)
SBN/NOAAPORT PID 201 (NWWS products only)


Wireless Emergency Alerts (WEA) – (English/Spanish)
Commercial Weather applications – (Multi-lingual alerts possible)
Local Emergency Management Agency Notifications


RCA AlertGuard Televison (English/Spanish)