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Wild Costa Rica

Experts advise being aware for sensitive regions to floods caused by sewage saturation or increased river flow.
Photo via Municipality of Desamparados City, San José.

Costa Rica raises weather alert over new tropical wave

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Published on Wednesday, June 5, 2024
By the A.M. Costa Rica staff

The National Emergency Commission raised the weather warning level due to Tropical Wave #6 of the green season entering the country on Wednesday.


According to the National Institute of Meteorology, the natural phenomenon was crossing the Caribbean Sea on Tuesday night and was moving toward Limón Province.

Costa Rica may see a potential impact on Wednesday that could last 24 hours and persist until Thursday. The forecast weather conditions are expected to improve on Friday.

Furthermore, the rain has intensified as the Intertropical Convergence Zone (ICZ) spans the Central American Pacific Coast and crosses into the Caribbean Coast.

The ICZ, often known as the doldrums or the calms, is where the northeast and southeast trade winds meet. This is due to the weather being repetitive and lacking any breeze.

Rainfall is expected to vary from 40 to 70 mm on the Caribbean Coast, in the Central Valley and in the northern zone. In the Nicoya Peninsula rains are expected to range between 50 and 120 mm. In the Pacific Coast rains might range from 50 to 70 mm.

Authorities have issued a Yellow Alert in the Central Valley (San José Province), the southern zone of the Nicoya Peninsula, and the central-south Pacific Coast (Puntarenas Province), indicating a high danger of natural disasters. This second-level alert is a warning to rescue staff to be ready for a large-scale natural phenomenon that is forming and is almost certain to impact on that area.

The rest of the country is under Green Alert.
This first warning level directs emergency committees to keep informed of how the natural event is developing. It indicates an elevated probability that an emergency will develop nearby.

As of Tuesday, no Yellow, Orange, or Red weather warnings have been issued.

According to specialists, Costa Rica might be hit by three tropical cyclones this year.

Experts recommend the following preventive measures:

In the case of downpours, stay away from rivers, lakes and other bodies of water.

People living in mountain areas should take preventive measures against a possible landslide or material falling from the hills.

Those under alert should have an emergency evacuation plan in their community, work and home.

Drivers must increase precautions for heavy rain and fog.

Take precautionary measures in
case of thunderstorms, such as taking refuge in a safe place and avoiding direct use of electronic equipment, electrical appliances or electrical cords.

Stay alert about vulnerable areas to flooding due to sewer saturation or an increase in river flow.

In case of strong gusts of wind, be on alert for possible falling trees or electrical wires.

In the event of a landslide, do not walk on the debris, stay away from affected areas and do not return home until authorities verify that it is a safe place.

Stay informed about the alerts issued by authorities.

Call 911 to report any possible flooding, fallen trees or landslides.

A.M. Costa Rica urges readers to share this alert with their communities.  

What have you heard about other communities impacted by excessive rain? We would like to know your thoughts on this story. Send your comments to