The strong winds recorded in Lima and Callao over the past few days have surprised thousands of citizens. Gusts that make doors and windows vibrate, leaning trees, and a greater sensation of cold are part of the scene in the capital. According to the National Meteorology and Hydrology Service of Peru (Senamhi), this behavior is due to the strengthening of the South Pacific Anticyclone, an atmospheric system that drives stronger winds towards the Peruvian coast and favors the increase of humidity on the coast.
Why are there strong winds in Lima and Callao?
Senamhi explained that the strengthening of the South Pacific Anticyclone increases wind speed over the ocean and the coastal strip. As a result, there is a greater influx of cold and humid air, which favors the presence of overcast skies, mist, fog, and drizzle, especially during the nights, early mornings, and first hours of the day. In some areas, dust and sand lifting may also occur, mainly in open coastal zones.
This phenomenon is part of the usual dynamics of winter on the Peruvian coast, although this time the intensity of the gusts has been higher than normal. According to the meteorological agency, in some coastal points the winds can reach speeds close to 40 kilometers per hour, which is why preventive warnings were issued for various coastal regions.
How long will the strong winds continue?
According to the official forecast from Senamhi, the increase in wind speed will extend until Sunday, August 2, maintaining conditions favorable for drizzle, reduced horizontal visibility, and a drop in the thermal sensation in Metropolitan Lima and Callao. During this period, the wave activity and the high humidity characteristic of Lima’s winter will also persist.
Authorities recommended that the population take precautions, especially drivers and motorcyclists, due to the possible reduction in visibility caused by fog. They also advise securing light objects on roofs, balconies, or terraces that could be displaced by the gusts and staying informed through official Senamhi warnings.
Recommendations to face the phenomenon
Specialists also suggest wearing warm clothing, as the wind intensifies the sensation of cold even if the temperature does not drop significantly. Those suffering from respiratory diseases should avoid prolonged exposure to cold air and especially protect children and the elderly. Additionally, it is recommended to drive cautiously on roads near the coast due to the presence of fog and wet pavement from the drizzle.
As long as the strengthening of the atmospheric system over the South Pacific continues, Lima and Callao will continue to experience a more intense winter than usual. Senamhi will continue monitoring the evolution of the phenomenon and will update its warnings if weather conditions change in the coming days.
Should we be worried? The wind as part of the coastal climate
Although the noise and strength of the gusts generate surprise and in some cases fear, specialists emphasize that these events are part of the normal behavior of the Peruvian coastal climate, especially in winter months. The South Pacific anticyclone and variations in atmospheric circulation, often linked to phenomena such as El Niño or La Niña, can temporarily intensify the wind without this necessarily meaning a widespread emergency situation.
The key is not to underestimate the wind’s ability to affect weak structures or cause isolated incidents. Staying calm, getting information from official channels, and applying simple preventive measures is enough, in most cases, for this episode to be experienced as what it is: a reminder that Lima and Callao are cities deeply connected to the sea and the dynamics of the surrounding atmosphere.
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