24-Hour Cumulative Lightning Strike Weekly Archive

Tracking Areas of Severe Thunderstorms, Critical Fire Weather, and Winter Weather

Strong to severe thunderstorms will bring scattered to widespread damaging winds and possibly several tornadoes overnight and Monday from the Ohio Valley into the Southeast U.S. Elevated to critical fire weather conditions will continue Monday over the southern High Plains. A Pacific storm will continue heavy mountain snow and gusty winds in California through Monday. Read More >

Background

The lightning images below are updated daily around 7:30–8:30 AM and contain 24-h accumulations of lightning ending at 6 am PDT (5 am PST) each day. These are NLDN cloud-to-ground flashes. Cloud-to-ground lightning flashes are based on a surface detection network. Mouse over each day to view the 24-h cumulative lightning flash maps. Printable versions are at the bottom.

24-h Cumulative NLDN Cloud-to-Ground Lightning Flashes	Yesterday	2 Days Ago	3 Days Ago	4 Days Ago	5 Days Ago	6 Days Ago	7 Days Ago	8 Days Ago

Tracking Areas of Severe Thunderstorms, Critical Fire Weather, and Winter Weather

24-Hour Cumulative Lightning Strike Weekly Archive

Background

National Lightning Detection Network (NLDN) Cloud-to-Ground Lightning Flashes