Weather warnings
May
16
Aviso Meteorológico
Actividad lluviosa variable esta tarde de viernes
16 de mayo de 2025
11:00 am
Diagnóstico: Persiste la inestabilidad atmosférica sobre el país debido a la cercanía de sistemas de baja presión asociados a la Zona de Convergencia Intertropical. A esto se suman factores...
May
15
Aviso Meteorológico (Actualización)
Aviso Meteorológico-IMN-150525-Condiciones lluviosas en esta tarde y noche (actualización)
15 de mayo de 2025
6:00 pm
Diagnóstico: La Zona de Convergencia Intertropical se encuentra próxima a Costa Rica y, junto con condiciones de inestabilidad en niveles altos de la atmósfera y factores locales, ha generado un...
May
15
Weather Warning
Rainy conditions this afternoon and evening
May 15, 2025
10.45 a.m.
Discussion: The Intertropical Convergence Zone near Costa Rica and instability in the upper atmosphere, along with morning warming, are contributing factors to the presence of cloudiness and...
May
14
Weather Warning (Update)
Instability after the passage of Tropical Wave #1
May 14, 2025
04.35 p.m.
Discussion: Atmospheric instability persists over Costa Rica following the passage of Tropical Wave #1 yesterday. This, along with activity associated with the Intertropical Convergence Zone...
May
14
Weather Warning
Instability after the passage of Tropical Wave #1
May 14, 2025
10:00 a.m.
Diagnosis: Tropical Wave #1 is located far from the national territory. However, after its passage, atmospheric instability persists in the region. This condition, together with increased...
Weather warnings history
In this section you will find the weather warnings history.
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...
Jun
26
Aviso Meteorológico-Actualización
Lluvias de esta tarde
26 de junio de 2020
2.30 pm
Diagnóstico: Los vientos alisios siguen acelerados; se perciben especialmente en el norte y centro del país, las velocidades más altas rondan entre 50-89 km/h, la mayor de ellas se ha...
Jun
26
Weather Warning
Sahara Dust Layer in Costa Rica
June 23, 2020
10.50 a.m.
Discussion: The country continues immersed in this Friday in a mass of dust from the Sahara, it is observed in the form of a white haze in the environment, reducing visibility mainly towards the...
Jun
26
Weather Warning
Rainy activity this day over the country
June 26, 2020
10.20 a.m.
Discussion: The trade winds prevail accelerated this day; They are especially perceived in the north and center of the country, the highest speeds are around 50-78 km / h. The windy pattern has...
Jun
25
Aviso Informativo
Polvo del Sahara en Costa Rica
25 de junio de 2020
11.30 am
Diagnóstico: Este jueves la masa de polvo del Sahara se encuentra en todo América Central, siendo perceptible en Costa Rica en forma de bruma blanca en el ambiente, reduciendo la visibilidad...
Jun
24
Aviso Meteorológico
Aguaceros durante esta tarde en el Pacífico
24 de junio de 2020
2.30 pm
Diagnóstico: La cercanía de la Zona de Convergencia Intertropical generó la proximidad de núcleos nubosos hacia la provincia de Limón y Zona Norte, donde se presentaron aguaceros aislados...
Jun
24
Weather Warning
Sahara dust intrusion into the country this week
June 24, 2020
10.50 a.m.
Discussion: On this Wednesday the country is immersed in a large mass of dust from the Sahara that has moved over the Caribbean Sea. Forecast: The presence of dust will be perceived during this...
Jun
24
Weather Warning
Heavy rains this morning in the Caribbean and during the afternoon in the Pacific
June 24, 2020
10.40 a.m.
Discussion: The proximity of the Intertropical Convergence Zone generates the proximity of cloud nuclei to the coastal parts of our country, particularly to the province of Limón where isolated...
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