The storms are expected to become weaker in the coming days, but another tropical depression is forecasted to form later in the week.

Wutip was a tropical storm in the South China Sea Thursday afternoon China Standard Time, the Joint Typhoon Warning Center said in its latest advisory. The tropical storm had sustained wind speeds of 58 miles per hour.

Barbara strengthened into a Category 1 hurricane on Monday. Some further strengthening is possible before it begins to weaken.