National Weather Service United States Department of Commerce

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

 

 CWOP - The Citizen Weather Observing Program

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Do you have a well-placed personal weather station at your home or business?  Would you like to share your data with the world?  You can if you send your data to the Citizen Weather Observing Program (CWOP)!

CWOP is a volunteer-based network that allows owners of personal weather stations to share their station’s live data with the National Weather Service, emergency managers, wild land fire fighters, and Universities worldwide.  There are several options to getting your data online – inexpensive (even free) software programs, and extremely reliable, energy-efficient ‘internet devices.’  If you have a well-sited home weather station, and a broadband internet connection, you’re just a few steps away from contributing your data to CWOP.

 

About CWOP
About Personal Weather
Stations
Software/Internet Device Setup Instructions

 

View CWOP Data
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Questions
Many questions can be answered by fellow CWOP observers via the CWOP/WXQC (weather quality Control) mailing list.  You can browse the archives or join the mail group here.


This page was last updated 05/18/2014.</