Tropical Storm Dexter Advisory Number  11 - NWS National Hurricane Center Miami FL       AL042025  1100 AM AST Wed Aug 06 2025

...DEXTER STRENGTHENS A LITTLE MORE......LIKELY TO BECOME A POWERFUL EXTRATROPICAL CYCLONE BY FRIDAY AS IT TRAVERSES THE NORTH ATLANTIC...

SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION

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LOCATION...39.9N 58.2W

ABOUT 535 MI...860 KM SSW OF CAPE RACE NEWFOUNDLAND

MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H

PRESENT MOVEMENT...ENE OR 65 DEGREES AT 15 MPH...24 KM/H

MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES

WATCHES AND WARNINGS

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There are no coastal watches or warnings in effect.

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1. Off the Southeastern United States:  A weak area of low pressure located several hundred miles off the coast of the southeastern United States continues to produce only limited shower and thunderstorm activity. This system is forecast to drift northward over the next day or two before turning northeastward. Environmental conditions now only appear marginally favorable for tropical development into early next week as the system moves northeastward, remaining offshore of the eastern United States.

* Formation chance through 48 hours...low...near 0 percent.

* Formation chance through 7 days...low...30 percent.

 

2. Central Tropical Atlantic:  Shower and thunderstorm activity has become a bit more concentrated with a tropical wave in the eastern tropical Atlantic. Environmental conditions are forecast to be conducive for gradual development

during the next few days, and a tropical depression could form late this week or over the weekend as the system moves generally west-northwestward to northwestward across the central tropical and subtropical Atlantic.

* Formation chance through 48 hours...low...30 percent.