Weather warnings

Jul

10

Weather Warning

Tropical Wave 14 to Pass Over Costa Rica This Friday

July 10, 2025
04.30 p.m.

Discussion: A change in the weather pattern toward more humid and unstable atmospheric conditions over Costa Rica and surrounding areas will increase the occurrence of rainfall in various parts...

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Jul

08

Informative Weather Notice

Sahara dust over the country

July 08th, 2025
9:50 a.m.

Diagnosis: Increases in atmospheric pressure in the Caribbean Sea accelerate the trade winds over the basin, as well as over central and northern Spain. Furthermore, a dry, stable air mass...

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Jul

07

Weather Warning

Heavy downpours during the afternoon in the Pacific and northern regions

July 07th, 2025
10.40 a.m.

Discussion: Tropical Wave 13 is located in western Costa Rica, close to entering the Pacific Ocean. Although it is a weak wave, its interaction with the Intertropical Convergence Zone increases...

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Jul

06

Aviso Meteorológico

Efectos de la onda tropical #13 en el país este domingo y lunes

06 de julio de 2025
11.25 am

Diagnóstico: La onda tropical #13 se localiza este domingo al oeste de Panamá, generando inestabilidad en el mar Caribe frente a la costa costarricense, lo que favorece lluvias en el Caribe Sur...

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Jul

01

Weather Warning

Rainy conditions in the Caribbean and Northern Zone this Tuesday and Tropical Wave #12

Jul 01th, 2025
10 am

Diagnosis The strengthening of the trade winds over the central and northern regions of the country has produced wind gusts of up to 50 km/h in areas such as Alajuela this morning. This...

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Weather warnings history

In this section you will find the weather warnings history.

Sep

10

Aviso Meteorológico Actualización

Aguaceros y tormenta eléctrica

10 de septiembre 2020
03.15 p.m.

Diagnóstico: La Zona de Convergencia Intertropical se mantiene cercana al país, lo cual, sumado a factores locales, como las cálidas temperaturas matutinas, el ingreso de brisas marinas y...

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Sep

10

Weather Warning

Downpours and thunderstorm this Thursday

September 10, 2020
10.55 am

Diagnosis: The Intertropical Convergence Zone remains close to the country, which, added to local factors, such as warm morning temperatures, the entry of sea breezes and disturbances in the...

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Sep

09

Weather Warning

Tropical wave # 36 will cross Costa Rica tonight

September 09, 2020
5 p.m.

Diagnosis: Tropical wave # 36 is located at the beginning of the night near the border between Costa Rica / Panama; therefore, she will be crossing the country in the course of tonight. The...

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Sep

09

Aviso Meteorológico

Onda tropical #36 llegará a Costa Rica al final de este día

9 de setiembre de 2020
10.30 a.m.

Diagnóstico: La onda tropical #36 se localiza esta mañana sobre Panamá y se acerca a Costa Rica, llegando al país entre el final de la tarde y primeras horas de la noche. La inestabilidad...

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Sep

08

Weather Warning

Heavy downpours and thunderstorm will continue this afternoon

September 8, 2020
02:30 p.m.

Diagnosis: The proximity of the Intertropical Convergence Zone generates an important contribution of instability, which, together with local factors such as warm morning temperatures and the entry...

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Sep

08

Weather Warning

Downpours and thunderstorm this afternoon

September 08, 2020
10.45 a.m.

Discussion: The Intertropical Convergence Zone remains close to the country, which, added to local factors such as warm morning temperatures and the entry of sea breezes, will favor cloudy...

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Sep

07

Aviso Meteorológico

Fuerte actividad lluviosa nocturna en Zona Norte y el Pacífico Norte

7 de setiembre de 2020
6:05 pm

Diagnóstico: La Zona de Convergencia sobre el país y el paso de la Onda tropical #35 han propiciado lluvias intensas esta tarde en varios sectores del país, sin embargo, para la Zona Norte...

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Sep

07

Weather Warning Update

Tropical wave # 35 continues its passage over Costa Rica this Monday

September 7, 2020
2:45 p.m.

Diagnosis: Since the morning, the contribution of humidity from the Pacific due to the Intertropical Convergence Zone which is located over Costa Rica, together with atmospheric instability caused...

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Sep

07

Weather Warning

Tropical wave # 35 over Costa Rica this Monday

September 7, 2020
11:00 a.m.

Diagnosis: Tropical wave # 35 is located over the country, destabilizing the atmosphere, in addition the Intertropical Convergence Zone remains over Costa Rica, providing a constant flow of...

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Sep

07

Aviso Meteorológico

Aguaceros y tormentas eléctricas en la Península de Nicoya esta madrugada

07 de setiembre de 2020
01:00 am

Diagnóstico: La Zona de convergencia Intertropical se encuentra sobre nuestro país, esto genera inestabilidad atmosférica y consecuentemente desarrollo de núcleos convectivos. Al frente del...

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