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 >

Doppler Radar Image

 

Figure 14: Miami Doppler radar image from 1758 UTC May 12, 1997
1.5 degree base reflectivity.

 

Doppler Radar Image

 

Figure 15: Miami Doppler radar image from 1803 UTC May 12, 1997
0.5 degree base reflectivity.