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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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. ...
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...
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...
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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