National Weather Service United States Department of Commerce

Excessive Rainfall in the Southern Plains, Ozarks, and Upper Midwest Thursday

Heavy thunderstorms will continue areas of excessive rainfall and locally considerable flooding over parts of the southern Plains into the mid-Mississippi River Valley through Friday. Heavy to excessive rainfall may bring flash and urban flooding, along with isolated riverine flooding to a part of the Upper Midwest Thursday. Read More >

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NWS will be changing from primary to backup on or about the Monday of the second week of each month; returning to the primary configuration by the following Thursday. This timeline can be delayed or extended based on declared holidays and Critical Weather Days (https://www.nco.ncep.noaa.gov/pmb/cwd). (Oct 2019)

 

Updates

  • Do not erase this line script injected text goes here.
  • Outages for NWWS-OI typically last between 30 - 60 minutes.

Here are the top 6-reasons there may be an authentication failure;

  • User_id or Password is incorrect; these are case sensitive.
  • Firewall(s) have not been adjusted.
  • Port assignment is not "5222".
  • Router was not configured properly.
  • Not connecting to nwws-oi.weather.gov.
  • Applications accessing resources on weather.gov need to provide a User-Agent header in any HTTP request. Requests without a user agent are automatically blocked. This policy is due to a small number of clients utilizing resources far in excess of what most would consider reasonable. We recommend providing a user agent string in the following format:

     

    ApplicationName/vX.Y (http://your.app.url/; contact.email@example.com)

     

    This will both uniquely identify your application and allow us to contact you and work with you if we observe abnormal application behavior that may result in a block.

    Sample Links

    Software Syntax

    WeatherSoftware/v2.0 (http://www.Weather Company XYZ.com/; POC FirstName.POC Lastname@WeatherCompanyXYZ.com)

    Modification to ID user if needed;

    WeatherSoftware/v2.0 (http://www.Weather Company XYZ.com/; POC FirstName.POC Lastname@WeatherCompanyXYZ.com; UserID Tracking # or e-mail)

    Individual Developers (variation)

    MyJava/v7.1 (http://www.CompanyApp.com/, personal URL or blank; Applicable Company POC@company.com or personal e-mail)


    Again, this will both uniquely identify the application used and allow us to contact you and work with you if we observe abnormal application behavior that may result in a block.

 

If after checking the above you still have an issue, use the NWWS Help e-mail (nwws.help@noaa.gov) to describe the error code you are receiving (or problem) and we will try to assist.

Remember: Only one (1) program on one (1) computer can use the assigned user_id and password to log into the NWWS Open Interface (OI). Violating this will crash your system(s).

 

 

CAP v1.2

  • Latest Service Change Notice (SCN)
  • NWWS-OI and SBN/NOAAPORT Channel 201 will not have the CAP v1.2 format at this time. NWWS requires native CAP v1.2 generation from the Weather Forecast Office (WFO) Advanced Weather Interactive Processing System (AWIPS) for NWS Enterprise wide dissemination.
  • SBN/NOAAPORT Channels 101-108 (which are all NWS products including alerts and warnings) has the CAP v1.2 format as described in the SCN.
  • See also NWWS FAQ #6.
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