Areas of Excessive Rainfall; Refreshingly Cool Air Remains over Much of the Central and Eastern U.S.

Heavy thunderstorms may bring excessive rainfall and possible flooding over parts of the northern Gulf Coast Friday and over parts of Texas and New Mexico Friday through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures over much of the central and eastern U.S. into this weekend. 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.

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

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

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

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Areas of Excessive Rainfall; Refreshingly Cool Air Remains over Much of the Central and Eastern U.S.

24-Hour Cumulative Lightning Strike Weekly Archive

Background

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