Category 3 Hurricane Polo, with 115‑mph winds, pressed the northern Pacific coast of Baja California Sur on Monday, dumping 15‑30 cm of rain and pounding waves that threatened to breach sea barriers in Puerto San Carlos.
Hundreds fled to shelters in schools and community centers after Civil Protection warned residents of high‑risk flooding. Fisherwoman Rocio Sanchez said “the earthen barriers could give way” as tides rose, and she urged neighbors to leave before the waters rose further.
Sonora Governor declared a state of emergency, suspending non‑essential work and closing ports. He also ordered travel restrictions in municipalities slated for landfall, a move that has halted school, sports, and many private businesses.
The Mexican navy, led by Admiral Gabriel García, prepared three vessels to deliver aid to isolated communities. Civil Protection Coordinator Laura Velazquez urged residents to stay off streets and seek shelter, warning that the storm’s winds and tides could overwhelm existing defenses.
While Polo weakens over northern Mexico, remnants are expected to bring 8‑12 inches of rain to the U.S. Southwest, raising flash‑flood risk in arid regions such as New Mexico and Arizona. Local hydrologists warn that the sudden deluge could overwhelm already saturated soils, sparking rapid runoff down canyons.