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Tropical Storm Barbara Forms Off Mexico, Poised to Become Hurricane Monday

This storm underscores NOAA’s forecast for an above-normal Pacific hurricane season with up to 19 named storms.

tropical storms barbara and cosme at 2120 utc on june 8 2025
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Satellite image of tropical Storm Cosme. Acquired at 0920 UTC on Monday, June 9, 2025. Credit Goes-East, RAMMB/CIRA, The Watchers.

Overview

  • Tropical Storm Barbara formed on June 8 off Mexico’s southwestern coast and is moving west-northwest at 12 mph with sustained winds of 45 mph.
  • The National Hurricane Center forecasts Barbara to strengthen into a hurricane by June 9.
  • Barbara is expected to drop 2 to 4 inches of rain across western Mexican states, raising the risk of flooding and mudslides through Monday.
  • Despite no coastal watches or warnings, officials warn of life-threatening surf and rip currents along Mexico’s southwestern shore.
  • NOAA projects a 60% chance of an above-normal Pacific hurricane season with 13 to 19 named storms, including six to ten hurricanes and three to five major hurricanes.