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As reported by Weather.com at 7:40 am:
The center of Tropical Storm Fay appears close to emerging off the west coast of Haiti. Maximum sustained winds are estimated at 45 mph, mainly near coastal areas. Late last night, a sustained wind of 40 mph was measured on the southeast coast of the Dominican Republic.
Fay continues moving west at about 14 mph. The center of the storm has been over land since Friday afternoon, and little change in strength has occurred. However, as the storm emerges back over open waters today, the opportunity for additional strengthening will increase as environmental conditions remain favorable.
For now, the primary threat will be life threatening flash floods and mudslides in Hispaniola, spreading across parts of eastern and southern Cuba later today through Sunday.
The current forecast track will bring Fay toward southeast and central Cuba Sunday. That said, some showers and squalls may impact particularly the northern half of Jamaica through Sunday. It appears Fay will track well to the northeast of Grand Cayman Sunday night, but some outer rainbands and breezy conditions can’t be ruled out.
The exact track is critical, for if the storm can remain just south of Cuba over open waters for a longer period of time, more rapid strengthening would be possible.
With the forecast of an eventual turn to the north later Sunday into Monday, Fay could become a hurricane after it emerges off the north side of Cuba later Monday. The Florida Keys and south Florida could see impacts beginning as early as Monday evening from this system.
Residents of Florida and the Southeastern U.S. should continue to monitor the progression of this system through the weekend and into early next week. Now is the time to review your plan of action.
Farther east, in the central tropical Atlantic, another broad low pressure circulation continues to track slowly west. This low pressure remains weak and disorganized and any development or strengthening of this low will be slow to occur.
In the eastern Pacific basin, Iselle was downgraded to a tropical depression last night. As of early Saturday morning, it was located about 310 miles south-southwest of Cabo San Lucas, Mexico. Iselle will drift slowly northwest or west-northwest and continue to weaken; impacts to land are not expected.