Tropical Storm Isaac: South Florida remains in Isaac's 5-day error cone

Could impact our weather late Sunday, Monday

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The latest forecast track for Tropical Storm Isaac models are coming into better agreement of a track into the Keys and then into the Gulf of Mexico.

The center of Isaac spun over tiny islands at the eastern entrance to the Caribbean, where many seafront bars and restaurants stubbornly remained open Wednesday evening as lightning and thunder crackled and choppy surf slapped against piers and seawalls.

Almost all of Florida is still in the error cone so some uncertainty still exists. Southeast Florida would see the worst weather Sunday night and Monday.

However, it is important to remember the 5-day error cone has about a 250 mile margin of error.

Isaac currently has 45 mph winds and is moving west at 20 mph.

Some erratic motion toward the west-northwest or northwest could occur later this morning, but a gradual turn toward the west-northwest is expected by this afternoon and continue into Friday.

On the forecast track, the center of Isaac should pass to the south of the Virgin Islands and Puerto Rico today and approach the Dominican Republic tonight and Friday.

Palm Beach County and the Treasure Coast could receive tropical storm force winds and possibly hurricane-force winds if the track shifts farther to the east and the north.

If the storm interacts with Hispaniola and Cuba, it could weaken.

Tropical Depression #10 formed behind Isaac Wednesday, but the two storms have very different tracks.

While Isaac is headed into the Caribbean, TD #10 will curve northwest and then north out into the open Atlantic Ocean.

TD #10 could become Tropical Storm Joyce over the next couple of days, but it is not something that we need to be concerned about.

Stay up-to-date with the latest forecast on WPTV.com as well as on NewsChannel 5.

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