Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. 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

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Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

24-Hour Cumulative Lightning Strike Weekly Archive