Kelvin wave heads for US West Coast, adding to California's coastal erosion threat; plus, Isaias may spin up tornadoes

In October, sea levels in California could run about 6 inches above normal, which would worsen coastal erosion and create problems during King Tides.

Also, flooding rain, storm surge and high winds near the eye of the hurricane are not the only concerns with Isaias this weekend. There is a risk of tornadoes as well.

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