Weather warnings

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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Jun

28

Weather Warning

Tropical Wave #10 over Costa Rica

June 28th, 2025
10:30 a.m.

Diagnosis: Tropical wave #10 is over the country this Saturday, causing instability in maritime areas of the Caribbean and northern parts of the Northern Zone. There has been increasing...

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Weather warnings history

In this section you will find the weather warnings history.

Jul

01

Weather Warning

Rainy conditions on this Wednesday

July 01, 2020
10.50 a.m.

Discussion: The Intertropical Convergence Zone is active and close to the country, generating unstable conditions, and high levels of humidity contained in the environment cause the presence of...

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Jun

30

Weather Warning

Precipitation extends into the night hours in the Pacific

June 30, 2020
06.15 p.m.

Discussion: Instability in the upper atmosphere added to local factors this afternoon have generated the presence of heavy downpours and thunderstorms in the Central and South Pacific, as well as...

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Jun

30

Weather Warning

Heavy showers and storms in the Central and South Pacific this afternoon

June 30, 2020
02.45 p.m.

Discussion: Instability in the upper atmosphere added to the warm morning temperatures and the entrance of humidity from the Pacific have favored the presence of downpours and thunderstorms in...

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Jun

30

Aviso Meteorológico

Aguaceros esta tarde en el Pacífico Central y Sur

30 de junio de 2020
11.00 am

Diagnóstico:  Factores locales aunados a la inestabilidad en la atmósfera alta propiciarán aguaceros con tormenta esta tarde en la vertiente del Pacífico. Pronóstico: Para esta tarde se...

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Jun

29

Aviso Meteorológico

Onda tropical #13 saliendo del país esta noche

29 de junio de 2020
6.00 pm

Diagnóstico:  El tránsito de la onda tropical #13 y lo inestable de la atmósfera han provocado aguaceros intensos con tormenta en varios sectores del país esta tarde, especialmente en el...

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Jun

29

Aviso Meteorológico

Onda tropical #13

29 de junio de 2020
2.30 pm

Diagnóstico:  la cercanía de la Zona de Convergencia intertropical, así como el paso de la onda tropical #13 y lo inestable de la atmósfera son factores que favorecen las condiciones...

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Jun

29

Weather Warning

Rainy conditions by tropical wave pass # 13

June 29, 2020
9.30 a.m.

Diagnosis: the proximity of the intertropical Convergence Zone, as well as the passage of tropical wave # 13 and the unstable atmosphere are factors that favor rainy conditions in the region. ...

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Jun

28

Weather Warning

unstable atmosphere after the passage of tropical wave # 12 through the country

June 28, 2020
11.30 am

Diagnosis: This Sunday the atmospheric instability is high in the country, after the passage of tropical wave # 12 yesterday Saturday. Forecast: In the afternoon isolated storm showers are...

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Jun

27

Weather Warning

Tropical wave # 12 will arrive in Costa Rica this afternoon

June 27, 2020
10.30 a.m.

Diagnosis: Since yesterday, the instability present in the upper atmosphere has generated storms on both coasts of Costa Rica, causing cloudy skies and scattered rains in the early hours of the...

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Jun

26

Aviso Meteorológico

Lluvias en el Caribe durante la madrugada y onda tropical #12

26 de junio de 2020
6.30 pm

Diagnóstico:  Los vientos alisios entre moderados a fuertes aunados a la inestabilidad en la atmósfera alta, sigue ocasionando núcleos de nubosidad y lluvias en la zona marítima frente al...

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