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Normal Weather Expected in Florida This Week, but We are Watching the Caribbean

Jul 29, 2019
Originally published on July 29, 2019 2:02 pm

Update Monday 2:00 PM ET:

The tropical wave over the eastern Caribbean Sea is moving slowly west-northwestward and it’s not becoming better organized yet.

Rain showers are increasing over the U.S. and British Virgin Islands from the disturbance. These showers are forecast to become more widespread over Puerto Rico Tuesday and Wednesday. The National Weather Service Office in San Juan has issued a Flash Flood Watch for the island, where forecasters say 2 to 4 inches of rain, with isolated amounts as high as 6 inches are likely through Thursday. The heavy rain could cause small stream and river flooding, along with possibility of mudslides in steep terrain, the office added.

Reliable computer simulations are saying a large increase in rain is on the way to the Hispaniola, an island vulnerable to flash flooding, on Tuesday and Wednesday. The rains are likely to move into the Bahamas Wednesday and Thursday.

The National Hurricane Center says there is a 10% chance the tropical wave will become a tropical depression or storm. Strong wind shear and land interaction is expected to limit strengthening over the next few days. Regardless of whether it becomes a depression, an increase in rain appears increasingly probable over South Florida this upcoming weekend from either the tropical disturbance or a weak front approaching the state from the north.


Meteorologists at the Florida Public Radio Emergency Network are closely watching a tropical wave in the southeastern Caribbean Sea that, according to the National Hurricane Center, has a low chance of developing into a tropical depression or storm over the next five days.

An area of disorganized thunderstorms near the disturbance were noted on satellite data west of the Lesser Antilles Sunday afternoon, moving west-northwestward at 15 mph. The system is expected to turn northwest and move toward Puerto Rico, the Dominican Republic, and Haiti by midweek, where it then has the potential to become better organized. At the present time, it is unclear whether the tropical wave would move close enough to Florida to produce unsettled or hazardous weather in the Sunshine State.  Forecast data presently suggests the chances of this happening are very low.

In the near term, however, normal late-summer weather is expected across most of Florida. An area of high pressure and drier air is expected to nose in from the northeast Monday, resulting in fewer afternoon showers and thunderstorms across the northern half of the state through Wednesday. Winds are then expected to turn out of the southwest, coming from the Gulf of Mexico, which will send rain chances back up Thursday and Friday. Over the southern half of the peninsula, the typical afternoon sea breeze thunderstorms are expected each day this week across mostly inland areas. 

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