National Weather Service United States Department of Commerce

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

For NWWS-Open Interface message detail (other than header information) XMMP
reader software (commercial or user-developed) is required.

 

To request a user_id and password for NWWS Open Interface access, please email NWWS.Issue@noaa.gov.

Be sure to include the following:

  • Name (First and Last)
  • Company
  • Address
  • State, City, and Zip
  • Telephone Number
  • Account Info: Single or Multiple Accounts

Remember: If multiple accounts are run from the same computer system the system will shut down.

 

Note: NWS processing of your request may take as long as 10-days or more depending on weather conditions (critical weather days) and NWS priority requirements.