two possible – As the Atlantic hurricane season officially begins June 1, the National Hurricane Center is tracking two developing systems in the eastern Pacific. Forecasters give the newer storm a 90% chance of tropical development within a week, and a second low-pressure a
The Atlantic hurricane season has barely turned the calendar page to June 1, and the National Hurricane Center is already watching the Pacific for signs of what could come next.
In a June 1 advisory, the hurricane center said it is monitoring two possible tropical storms in the eastern Pacific basin. The newer system sits well southwest of the southern tip of the Baja California Peninsula and is still producing “disorganized showers and thunderstorms. ” according to the advisory.
Forecasters said environmental conditions appear conducive for further development. They expect a tropical depression to form during the middle part of the week. and the hurricane center is giving it a 90% chance of tropical development within the next week as it moves westward or west-northwestward across the western portion of the East Pacific.
A second potential system is also in view. The hurricane center said an area of low pressure could form off the coast of Central America and southern Mexico late this week and over the weekend. For that development. forecasters said environmental conditions appear favorable for some growth. with a 30% chance of tropical development within the next week.
The Pacific monitoring is unfolding alongside the official opening of the Atlantic hurricane season on Monday, June 1. The timing matters because forecasts for the tropics rarely stay in one place for long; what begins as distant weather can quickly change status as it gains organization.
The hurricane center is also clear-eyed about the risks in the Pacific. Storms forming there seldom threaten land. Roughly 85% to 90% of storms that develop in the Pacific never threaten land and often spin harmlessly out to sea. Even so. the same systems can occasionally impact Hawaii. the west coast of Mexico. or the Southwest U.S. with heavy flooding and rainfall.
When one of the Pacific systems becomes a tropical storm first, it will be named Amanda—the first name on the Pacific storm list for 2026.
hurricane season National Hurricane Center eastern Pacific tropical depression tropical development Baja California Central America southern Mexico Amanda Atlantic hurricane season flooding and rainfall