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 >

The lightning images below are updated daily around 8:30–9:30 AM and contain 24-h accumulations of lightning ending at 7 am CDT (6 am CST) each day. These images show NLDN cloud-to-ground flashes only and represents cloud-to-ground lightning flashes, and is based on a surface detection network. Larger printable versions are at the bottom of the map segment.

24-Hour Cumulative Lightning Strikes	Yesterday	2 Days Ago	3 Days Ago	4 Days Ago	5 Days Ago	6 Days Ago	7 Days Ago	8 Days Ago

Printable: Yesterday, 2 Day Ago, 3 Days Ago, 4 Days Ago, 5 Days Ago, 6 Days Ago, 7 Days Ago, 8 Days Ago

DLH RSS Feed

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

24-Hour Cumulative Lightning Strike Weekly Archive