Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Observed Data

Latest 24 hr Reports

(click to enlarge)

Maximum Temperature	Minimum Temperature
Rainfall	Snowfall

Daily Summary of our COOP Observer Reports This is where all reports end up even if it does not show up on the map.

Observer Information

NWS Cooperative Observer Program
Nimbus Temperature System manual, in Adobe pdf
NWS Coop Station Observations(6.7MB)

This is the Frequently Asked Questions (FAQ) area where we offer what we can to assist you.

How do I view and/or print my B-91 form using the WxCoder web page? Click here for instructions.
I have a Nimbus Temperature set and want to connect it to my computer. Click here for instructions.