As Helene weakens, Tropical Storm Joyce has formed in the Atlantic, as has Hurricane Isaac. Here's what to know about the storms' paths.

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The National Hurricane Center continued to keeps its focus Friday on what had been Category 4 major Hurricane Helene as it moved inland as a tropical storm, but also was keeping tabs on newly formed Tropical Storm Joyce and Hurricane Isaac in the Atlantic and two more systems with a chance to develop into the season’s next tropical depression or storm.

Tropical Storm John came ashore on Mexico’s Pacific Coast on Thursday, coming back to life for a second landfall after its previous deadly passage through the country earlier in the week

Severe weather battered parts of Mexico for the fifth consecutive day as Tropical Storm John made landfall on Friday, releasing more rain and catastrophic flash-flooding, forecasters said, though it is expected to weaken as the storm sweeps the country’s southwestern coast for a second time this week.

Tropical Storm John makes landfall on Mexico’s Pacific Coast amid warnings of flash flooding.