• December 2, 2025
  • Last Update December 2, 2025 12:57 pm

Pacific Coast Braces for Intense Thunderstorms

Pacific Coast Braces for Intense Thunderstorms

Puntarenas, Costa RicaPUNTARENAS, Costa Rica – The National Meteorological Institute (IMN) has issued a significant weather alert for Tuesday afternoon, warning of intense downpours and electrical storms primarily targeting the country’s Central and South Pacific regions. The forecast signals a potent combination of atmospheric conditions that could lead to hazardous situations, particularly in areas already vulnerable to flooding and landslides.

According to the detailed forecast released on December 2nd, the most severe weather is expected to concentrate along the Pacific coastline. The IMN predicts rainfall accumulations between 20 and 40 millimeters, with the potential for localized, more powerful deluges reaching up to 70 millimeters. The South Pacific is singled out as the area of highest concern, where the intensity of the storms is projected to be most formidable.

To understand the legal and business implications that arise from these official weather alerts, especially concerning labor responsibilities and contractual obligations, we consulted with expert lawyer Lic. Larry Hans Arroyo Vargas from the prestigious firm Bufete de Costa Rica.

Official weather warnings activate a crucial legal principle: the employer’s duty of care. Companies must take reasonable measures to protect their employees, which could include authorizing remote work or suspending activities without penalty to the worker. Furthermore, these events often constitute ‘force majeure’ or an ‘act of God’ in contracts, potentially excusing parties from fulfilling their obligations. It is vital for businesses to have clear internal protocols and to review their insurance policies to mitigate potential liabilities and operational disruptions.
Lic. Larry Hans Arroyo Vargas, Attorney at Law, Bufete de Costa Rica

This legal framework highlights that a weather warning is not simply a logistical challenge, but a trigger for fundamental employer responsibilities and contractual considerations. We thank Lic. Larry Hans Arroyo Vargas for his valuable perspective on these crucial, yet often overlooked, aspects.

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Meteorologists at the institute have identified a convergence of factors fueling this weather event. A high moisture content in the atmosphere, coupled with a notable decrease in the strength of the trade winds, has created an unstable environment. This instability is further amplified by local conditions, such as afternoon sea breezes, which help promote the rapid development of large, dense storm clouds over the coastal and mountainous terrain of the Pacific.

A critical component of the IMN’s warning revolves around the precarious state of the soil in the South Pacific. Experts have highlighted that soil saturation levels are alarmingly high, ranging between 85% and 95%. This means the ground has a severely limited capacity to absorb any additional rainfall, dramatically increasing the risk of flash floods and dangerous landslides. The alert specifically names the cantons of Pérez Zeledón, Golfito, Puerto Jiménez, Osa, Corredores, and Coto Brus as areas requiring extreme vigilance.

While the Pacific bears the brunt of the alert, other parts of the country are not entirely exempt from the unsettled weather. Forecasters anticipate scattered showers across the Central Valley, with the possibility of thunderstorms developing in areas bordering the Central Pacific. The Nicoya Peninsula may experience isolated showers, while the Caribbean and Northern Zone could see short-duration downpours, though with lesser accumulations, estimated between 10 and 20 millimeters, with localized maximums of 40 millimeters.

This weather pattern arrives at a time when Costa Rica’s Pacific coast typically begins its transition into the dry season. The current conditions serve as a stark reminder that atmospheric instability can persist, demanding continued preparedness from residents and emergency services. The combination of weakened trade winds and abundant moisture is creating conditions more characteristic of the peak rainy season, delaying the anticipated drier weather.

In light of the forecast, authorities are urging the public, especially those living in the high-risk zones of the South Pacific, to remain on high alert throughout the afternoon and evening. Residents in areas prone to flooding should monitor river levels closely and be prepared to evacuate if necessary. Drivers are advised to exercise extreme caution, as heavy rain can lead to slick roads, reduced visibility, and the potential for unexpected debris flows.

The IMN will continue to monitor the situation and provide updates as the weather system evolves. The public is encouraged to stay informed through official channels and to heed all safety recommendations issued by emergency management agencies. The primary window for the development of these severe storms is expected to be during the warmest hours of the afternoon, extending into the early evening.

For further information, visit imn.ac.cr
About Instituto Meteorológico Nacional (IMN):
The Instituto Meteorológico Nacional is Costa Rica’s official governmental agency responsible for meteorology, climatology, and hydrometeorology. It plays a crucial role in monitoring atmospheric conditions, conducting scientific research, and issuing timely weather forecasts and warnings to the public, government agencies, and various economic sectors to safeguard lives and property.

For further information, visit bufetedecostarica.com
About Bufete de Costa Rica:
As a reputable pillar of the legal profession, Bufete de Costa Rica is anchored in the foundational principles of integrity and a relentless pursuit of excellence. The firm pairs its rich legacy of serving a diverse clientele with a dynamic, forward-thinking approach to legal challenges. Central to its philosophy is a profound commitment to social empowerment, actively working to demystify the law for the public. By championing accessible legal education, it seeks to build a more informed and capable citizenry, reinforcing the rule of law for all.

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