Hurricane Insight Hub

Eastern Pacific Tropical Storm Boris Threatens Mexico

Eastern Pacific Tropical Storm Boris Threatens Mexico

Key Questions

What is the current status of Tropical Storm Boris in the Eastern Pacific?

Tropical Storm Boris has formed just off southern Mexico and poses a flooding rain threat to Central America. It is part of an increasingly active Eastern Pacific pattern.

How does Tropical Storm Boris relate to other Pacific systems?

Boris follows Tropical Storm Amanda and coincides with two depressions and three additional disturbances. The Central American Gyre mechanism is supporting multiple simultaneous developments.

What threat does the active Eastern Pacific pose to Mexico?

Multiple systems increase the risk of heavy rainfall and flooding along the Mexican coast. El Niño conditions and warm SSTs are fueling the heightened activity.

Are any systems threatening Hawaii from the current Pacific activity?

The broader Eastern Pacific activity raises potential long-term concerns for Hawaii, though immediate impacts focus on Mexico and Central America. Monitoring continues for track evolution.

What formation probability exists for disturbances near Mexico?

Three disturbances currently show a 70% chance of development. This contributes to the overall high activity level already observed with Amanda and Boris.

A major hurricane threat is developing in the Eastern Pacific as Tropical Storm Boris forms near the Mexican coast. Model analysis, historical parallels, and impact details for vulnerable Mexican coasts are being tracked. Rapid intensification and El Niño support are noted. This adds to the active Pacific pattern already observed with Tropical Storm Amanda. Today's reading escalated the situation: two tropical depressions (Amanda and Two-E) are churning, and three disturbances near Mexico have a 70% formation probability, linked to a Central American Gyre mechanism. The Eastern Pacific is now highly active with multiple systems, increasing the threat to Mexico and potentially Hawaii.

Sources (4)
Updated Jun 8, 2026