Tropical threat: Hurricane Humberto to rapidly intensify as potential Imelda organizes closer to U.S.

Hurricane Humberto is forecast to become a major hurricane this weekend and a second system — likely to become Imelda — is a possible threat to the U.S. coast, especially the Carolinas.

Humberto could mingle with another developing storm in what's called the Fujiwhara effect

Tropical Storm Humberto was on its way toward becoming a hurricane within a day or so over the central Atlantic, the National Hurricane Center said.

Tropical Storm Humberto takes shape in the Atlantic as bigger East Coast risk grows

Tropical Storm Humberto formed east of the Leeward Islands as a separate storm threat builds for the East Coast.

NHC: Chances new tropical depression will affect US increasing while Hurricane Humberto forms

The National Hurricane Center on said a new tropical depression could form by Friday night over the Bahamas with increased chances it will affect the U.S coast while Hurricane Humberto formed in

Hurricane Humberto, Invest 94L interaction makes path forecasts difficult. What to know

The Fujiwhara effect is making it difficult for forecasters to predict who could be affected by Hurricane Humberto or Invest 94L. What to know.
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