“Therefore, any significant rainfall could quickly cause urban and river flooding.”Tropical chances increase for Florida this weekAs the tropical disturbance tracks north and away from Puerto Rico today, weather and oceanic conditions are looking more favorable for additional development and strengthening.Adding that “a subtropical or tropical depression is likely to form early this week.”Some forecast models are even hinting that the system could become a tropical storm before it approaches Florida and the Bahamas this week, although some uncertainty remains in the longer-range forecast.The system is forecast to strengthen as it tracks west of the Bahamas on Monday, however a high-pressure system will also be building across the eastern US at the same time.“This building high pressure will have the tendency to send the area of low pressure westward towards the Florida peninsula, although exactly what this system will look like is still not well understood,” the weather service office in Miami said early Sunday.“High seas, coastal flooding, beach erosion and life-threatening rip currents are some of the most likely impacts from this system,” the Miami weather service said."