Hurricane Polo surged to a rare Category 5 classification early Tuesday, posting maximum sustained winds of 160 mph a few hundred miles south‑southeast of Manzanillo, Mexico. The storm’s rapid intensification—an increase of 110 mph in just 24 hours—places it among the fastest‑strengthening cyclones ever recorded in the Eastern Pacific.
What rapid intensification means
Rapid intensification is defined as a wind‑speed boost of at least 58 mph within a 24‑hour period. Polo far exceeded that benchmark, a feat the National Hurricane Center called “truly remarkable.” The only comparable storms in recent memory are Hurricane Patricia in 2015, which jumped 120 mph in 24 hours, and Hurricane Otis in 2023, which rose 105 mph in 21 hours before striking Acapulco.
Why the storm strengthened so quickly
Scientists point to exceptionally warm Pacific Ocean water near the Mexican coast as a key ingredient. The water has remained untouched by other storms this year, allowing it to absorb more heat. An ongoing El Niño event is also raising sea‑surface temperatures across the basin, creating a “hyper‑active” hurricane season and contributing to more frequent rapid‑intensification events as the climate warms from fossil‑fuel emissions.
Current track and expected impacts
At present, Polo is moving southeastward but is forecast to turn northwestward Tuesday night, keeping its most dangerous hurricane‑force winds offshore. Nevertheless, a tropical‑storm watch is in effect for the southwest Mexican coast from Tecpán de Galeana to Manzanillo, as the area could still experience tropical‑storm conditions by early Wednesday.
Heavy rain poses the greatest threat. Forecasts call for 4‑8 inches of rain across Guerrero and Michoacán, with isolated totals up to 12 inches. Coastal sections of Oaxaca, Colima and Jalisco could see 3‑6 inches. Such rainfall can trigger life‑threatening flooding and mudslides, especially in mountainous terrain.
Looking ahead
Authorities in the affected Mexican states are monitoring river levels and road conditions, urging residents in flood‑prone zones to stay alert. While the storm’s core is expected to stay offshore, the peripheral rain bands will likely continue to affect the region through Thursday.
Residents are advised to follow updates from the National Hurricane Center and local Mexican weather services, and to heed any evacuation orders or safety recommendations issued by municipal officials.
Original reporting: KRDO (Colorado Springs metro) — read the source article.
