National Weather Service United States Department of Commerce

Heavy Rain and Flash Flooding Concerns in California; Heavy Snow in the Sierra

An atmospheric river will bring heavy rainfall to lower elevations of California this week, and heavy snow to the Sierra Nevada mountains. Flash flooding, some of which may be locally considerable, will be a concern on the western foothills of the Sierra Nevada mountains through Tuesday. Landslides, rockfalls and mudslides are possible in the Southern California mountains. Read More >

NOAA Weather Wire Service

National Program

NWWS Announcements

Weather.gov > NOAA Weather Wire Service > NWWS Announcements

New connectivity allows dissemination of Non-Weather Emergency Messages (NWEMs) from external providers and Local Storm Reports (LSRs) that were generated using the latest NWS software update.

  • If you need assistance concerning NWWS or would like to report an NWWS issue, send an e-mail to NWWS.Issue@noaa.gov
  • If you experience outage, product loss, or login issue that cannot be resolved using the information under FAQ, please notify SDM@noaa.gov (for product loss and outages) NWWS.Issue@noaa.gov (for all other issues).
NWWS RSS Feed  NWWS RSS Feed