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Hurricane Center Monitors Central Atlantic Tropical Wave With Low Formation Odds

Forecasters warn that mounting wind shear along with Saharan dust intrusion will likely inhibit storm formation by midweek.

National Hurricane Center tropical weather outlook. July, 20, 2025.

Overview

  • The tropical wave is situated about 1,000 miles east-southeast of the Lesser Antilles and is producing disorganized showers and thunderstorms.
  • It is moving west-northwest at about 10 to 15 miles per hour under only marginally conducive environmental conditions.
  • The National Hurricane Center has maintained a 10% chance of development for both the next two days and the next seven days.
  • Forecasts show rising wind shear along with Saharan dust intrusion will likely prevent further organization by midweek.
  • No tropical watches or warnings are in effect and if the system does develop it would be named Tropical Storm Dexter.