Weather warnings

Apr

18

Aviso Meteorológico

Condiciones ventosas persisten este viernes

18 de abril de 2025
9:30 am

Diagnóstico: Un fuerte gradiente de presión atmosférica sobre el Mar Caribe mantiene el viento acelerado en la región centroamericana. En Costa Rica se han registrado ráfagas máximas de 96.7 km/h...

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Apr

17

Weather Warning

Moderate to strong wind gusts this Thrusday

April 17, 2025
09:30 a.m.

Diagnosis: High atmospheric pressure levels north of the Caribbean Sea basin are favoring accelerated trade winds over the country. So far, the lower reaches of the Central Valley and the North...

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Apr

16

Aviso Meteorológico

Ráfagas de viento de moderadas a muy fuertes este miércoles

16 de abril de 2025
10:30 am

Diagnóstico: Un nuevo incremento en la presión atmosférica sobre la cuenca del Mar Caribe está favoreciendo un fuerte aceleramiento del viento sobre el país. Los sectores bajos del Valle Central...

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Apr

14

Aviso Meteorológico

Lluvias en el Caribe y Zona Norte este lunes

14 de abril de 2025
9:00 am

Diagnóstico: El empuje frío #19 comienza a alejarse de la región, sin embargo, aún se mantienen condiciones atmosféricas inestables en el Caribe y Zona Norte. Durante la madrugada y lo que va de...

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Apr

13

Weather Warning

Influence of Cold Surge #19 this Sunday and beginning of the week

April 13, 2025
09:30 a.m.

Diagnosis: The cold push #19 located in the center of the Caribbean Sea, maintains high atmospheric pressure values from the center to the north of the region. This favors the increase of trade...

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Weather warnings history

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Weather Warning-IMN-210524-04:50 p.m.

May

21

Weather Warning (Update)

Rainy activity this Tuesday in the country

May 21, 2024
4:50 p.m.

Diagnosis: The passage of Tropical Wave #3 and the instability of the Intertropical Convergence Zone has presented downpours with storms towards the center and south of the national territory. So far there are accumulated maximums of: 75 mm in Neily-Coto 49, 66 mm in La Roxana-Pococí, 40 mm in the Brisas de Coto Brus, 30 mm in Santa Barbara and surrounding sectors of the north of the Central Valley.

Forecast: For the remainder of the afternoon, the presence of heavy localized rains and downpours accompanied by storms is forecast, especially in the Central and South Pacific, northwest of the North Pacific, mountainous sectors and in the west in the Northern Caribbean. The accumulated for these regions will be between 20 - 50 mm with maximums between 65 - 85 mm.

At night we expect variable rainy activity to still remain on the coasts and adjacent maritime sectors of the South Pacific and Central Pacific. The estimated accumulations for these regions will be between 10 – 40 mm with local maximums of 60 mm.

Warning: Attention in the Talamanca sector, General Valley, South Pacific border and the mountains of the Northern Caribbean, Northern Zone in the Sarapiquí sector, central sector of the Nicoya peninsula and Central Valley in general, this due to humid soils. Be attentive to the development of storm clouds which present their own and 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 due to sewage saturation in places prone to this type of flooding.

• Prevention against electrical storms and seeking shelter in a safe place in case strong gusts of wind occur or are perceived near 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: National Meteorological Institute CR and the WEB Page: www.imn.ac.cr

J. Pablo Valverde M.

Meteorologist

DMSA-IMN