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 >

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NOAA's Climate Prediction Center issued an updated Temperature and Precipitation prediction for this winter. In the graphic below the left side shows the Temperature and Precipitation Outlook for November, December and January, with the predictions for January, February, and March on the right side.

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

Here's a quick look at the newly issued Winter Outlook from the Climate Prediction Center