Can a Hurricane Affect Your City Even If It Never Makes Landfall?

A hurricane does not need to make landfall to affect a city.

When tracking a tropical cyclone, it is easy to focus on the storm's center and its projected path. However, a hurricane is much larger than its eye, and its effects can extend hundreds of kilometers from the center.

The eye may remain offshore while the storm's outer rainbands, winds, and ocean energy reach coastal areas.

WHAT CAN HAPPEN EVEN IF THE HURRICANE STAYS OFFSHORE?

One of the first effects that can reach the coast is elevated surf. The energy generated by strong winds over the ocean can produce large waves that reach beaches and coastal areas even while the hurricane's center remains offshore.

Rainfall can also extend well beyond the eye. A storm's outer rainbands can produce heavy precipitation outside the direct forecast track, increasing the risk of flooding, water accumulation, and overflowing rivers.

Wind is another important factor. A hurricane's wind field can cover a very large area, meaning a city may experience strong gusts even when the storm's center is still a significant distance away.

Rip currents can also become a serious hazard for beachgoers. Even a distant hurricane can create dangerous marine conditions because of the energy it transfers to the ocean.

WHY DOES DISTANCE FROM THE EYE NOT TELL THE WHOLE STORY?

The distance between a city and the hurricane's eye is only one part of the picture. The storm's size, intensity, track, wind direction, and ocean conditions must also be considered.

For this reason, being outside the direct path of the center does not necessarily mean being outside the storm's effects.

A hurricane can remain offshore while still producing rainfall, high surf, strong winds, or dangerous rip currents in a coastal city.

WHAT SHOULD YOU DO?

As a cyclone approaches, it is important to follow updates from meteorological and civil protection authorities, even when forecasts indicate that the storm's center will remain offshore.

Marine activities should be avoided when hazardous conditions are expected, and people should stay away from beaches during periods of dangerous surf and rip currents.

For businesses in coastal destinations, preparedness should also account for possible disruptions even without a direct impact. Changes in tourism activity, preventive closures, heavy rainfall, minor damage, and logistical difficulties can create financial losses even when a hurricane never makes landfall.

Preparation starts with understanding that a hurricane is much more than its eye.

At Wilma, we believe we should not only ask, “Will it make landfall?” but also, “How far can its effects reach?” Staying informed and preparing ahead can make a meaningful difference when a tropical cyclone approaches.

Sources:

NOAA

National Hurricane Center (NHC)

CONAGUA

Mexico's National Meteorological Service (SMN)