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Tropical Storm Dexter Fuels Monsoon Rains in Southern Mexico, SMN Monitors Three Potential Cyclones

Forecasts show Dexter becoming post-tropical by Thursday afternoon, with its outer bands driving downpours across Veracruz, Tabasco, Oaxaca and Chiapas.

Crecen las chances de un nuevo ciclón tropical en el Atlántico
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Tormenta Tropical Dexter se forma en el Atlántico: ¿Qué estados de México afectará con fuertes lluvias? | Crédito: SMN (Conagua)/Canva
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Overview

  • Dexter’s center is located 505 kilometers north of Bermuda with sustained winds of 75 km/h and gusts up to 95 km/h while moving northeast at 20 km/h.
  • The SMN confirms Dexter poses no direct landfall threat but its outer bands will bring very heavy rains to Veracruz, Tabasco, Oaxaca and Chiapas.
  • A low-pressure zone in the Pacific south of Oaxaca carries a 90 percent chance of tropical cyclone formation within 48 hours, with tropical wave 20 set to merge and trigger intense rains in Guerrero, Oaxaca and Veracruz.
  • Two Atlantic disturbances—one off the U.S. southeast coast (10% chance in 48 hours, 40% in seven days) and another in the central Atlantic (20%/60%)—are under watch for possible cyclogenesis this weekend.
  • The National Hurricane Center projects Dexter will transition into a post-tropical system by Thursday afternoon and is not expected to strengthen into a hurricane.