National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

 Summary of Lake Effect & Heavy Snow
Lake Effect Snow 2008 December 19th
Winter Storm 2008 December 20-21st
 

Northland Lake Effect Snowfall Totals

Regional Storm Snowfall Totals

Click on Image for Larger Map
 

 

List of Winter Storm Snowfall Amounts Across the Northland
List of Lake Effect Snow Totals
 

More Storm Summaries from Around the Region