The Fujiwhara effect is making it difficult for forecasters to predict who could be affected by Hurricane Humberto or Invest 94L.
Residents from Florida and north along the east coast should prepare for both direct and indirect impacts.
See latest spaghetti models and projected paths for Humberto and Invest 94L, which may become Imelda.
The National Hurricane Center is keeping a close eye on two systems east of the United States as Gabrielle continues to weaken.
Humberto strengthened into a hurricane Friday morning, Sept. 26, and is expected to rapidly intensify into a Category 4 storm over the weekend.
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Invest 94L is expected to become a tropical de