Weather Warning

Chance of heavy thundershowers this afternoon in Costa Rica

May 22, 2024

9.30 a.m.

Diagnosis: This Wednesday, the Intertropical Convergence Zone is located off the Pacific coast of Costa Rica, increasing atmospheric instability in the national territory. Therefore, isolated but intense downpours with thunderstorms are expected in the national territory for this afternoon and early evening.

Forecast: The areas with the highest probability of heavy rains are the Central Pacific, the South Pacific and the mountainous sectors of the Caribbean as well as the North and East (Cartago province) of the Central Valley. Accumulated amounts are estimated between 30 mm and 60 mm, with maximum accumulated amounts between 80 mm and 100 mm.

In the rest of the country, rainfall will be more isolated and the estimated amounts will be between 20 mm and 40 mm. Rains are expected to continue in the early evening, mainly in the Pacific coast.

Warning: Attention in the cantons of Parrita, Quepos and Osa, due to the saturation of the soil by the rains of the previous day. In the mountain passes in the mountainous sectors of the Caribbean and the north of the Central Valley, as there could be small landslides on the road. In general, be alert to the development of storm clouds, which present their own significant characteristics such as descending gusts, high precipitation intensity in short periods of time and electrical discharges.

Due to the above, the IMN recommends:

• Caution for sewer saturation in places prone to this type of flooding.
• Prevention before thunderstorms and seek shelter in a safe place in case of strong gusts of wind near the storm clouds, due to the possible fall of tree branches, power lines, among others. These gusts can reach 80 km / h in some isolated cases.
• Stay informed through social networks, Twitter: @IMNCR, Facebook: Instituto Meteorológico Nacional CR and WEB Page: www.imn.ac.cr

 
Juan Diego Naranjo Díaz
Meteorologist
DMSA-IMN

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Meteorological Warning

Affected by cold surge # 22 will persist this Saturday

March 7, 2020

9:00 am

Diagnosis: Cold push # 22 continues its transit through the Central American region, thus affecting the weather over the region. In the early hours of this Saturday there have been strong gusts between 70-90 km / h in the north of Guanacaste and mountain ranges of the national territory, while in the lower parts of the North Pacific and Central Valley they range between 40-65 km / h. In addition, the drag of moisture from the Caribbean Sea has generated variable cloudiness with rains and drizzles in the North, North Caribbean and mountains in the north of the country with maximum accumulated amounts of 12 mm in 6 hours.

 

Forecast: Accelerated wind will prevail throughout central and northern Costa Rica throughout this day with maximum gusts between 50-70 km / h in the lower parts of the Central Valley and Guanacaste and between 70-100 km / h for the North of Guanacaste and the mountains of the country.

Regarding rainfall, it is expected that conditions of variable cloudiness for the Caribbean slope with intermittent rains of intensity between weak and moderate are expected to continue, the accumulated ones are estimated between 10-40 mm. For the rest of the country, occasional rains are foreseen in the mountainous sectors and its surroundings with projected accumulations between 1-5 mm.

Due to the above, the IMN recommends:

•     Extreme precautions due to strong winds and their possible impact on roofs, electrical wiring, signs, trees; as well as in the mountainous parts of the country (national parks, volcanoes).
•     Caution for boats by choppy sea and very strong waves in the North Pacific, Gulf of Nicoya, the Caribbean Sea, as well as air navigation due to turbulence over the mountainous sectors.
•     Avoid burning of all kinds as they can get out of control.
•     Stay informed through social networks, Twitter: @IMNCR, Facebook: CR National Meteorological Institute and the Website: www.imn.ac.cr

 

Roberto Vindas

Meteorologist

DMSA-IMN

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