An area west of Mexico is being monitored for a possible tropical storm or hurricane next week as a storm-sparking pulse moves across the Pacific Ocean.

The Eastern Pacific hurricane season officially started ... The status of what is known as the El Niño Southern Oscillation, or ENSO for short, plays a role in the amount of activity.

"In each experiment, we see active El Niño Southern Oscillation, and it's almost all stronger ... a giant patch of unusually warm water on either side of the equator in the eastern Pacific Ocean, ...

The eastern Pacific hurricane season is underway with Alvin already formed and more storms expected as conditions favour ...

The East Pacific season is slated to begin on May ... a particularly active season depending on how the El Niño-Southern Oscillation (ENSO) plays out. ENSO is a short-term climate fluctuation ...