Dangerous heat continues across portions of the Central and Southeast U.S. through July. Heavy rains, flooding, & severe weather are possible across the Plains & Upper Midwest to the upper Great Lakes tonight, with the heavy rain and flooding threat continuing through Friday. Tropical Depression 12W brings heavy rain to Guam & the Marianas through Saturday. Read More >
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)
NWWS - Open Interface (NWWS-OI) transitioned:
Please reset your systems to properly connect to the current product stream.
Here are the top 6-reasons there may be an authentication failure;
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.
WeatherSoftware/v2.0 (http://www.Weather Company XYZ.com/
; POC FirstName.POC Lastname@WeatherCompanyXYZ.com
)
WeatherSoftware/v2.0 (http://www.Weather Company XYZ.com/
; POC FirstName.POC Lastname@WeatherCompanyXYZ.com
; UserID Tracking # or e-mail)
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).