Weather warnings

Jul

27

Weather Warning

Tropical wave #21 passes over Costa Rica this Saturday

July 27, 2024
09.20 a.m.

Discussion: The entry of tropical wave #21 this morning and the activity associated with the Intertropical Convergence Zone have accentuated very humid and unstable atmospheric conditions in the...

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Jul

26

Weather Warning (Update)

Variable rain activity for this afternoon and evening in the country

July 26, 2024
3:35 p.m.

Diagnosis: Unstable atmospheric conditions caused by the proximity of the Intertropical Convergence Zone, high humidity content and local factors have generated rainfall this afternoon in several...

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Jul

26

Meteorological Warning

Variable rain activity for this afternoon and evening in the country

July 26, 2024
10:40 am

Diagnosis: Unstable atmospheric conditions will occur again this Friday over the country. This is due to the proximity of the Intertropical Convergence Zone, the high humidity content and local...

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Jul

26

Meteorological Warning

Unstable atmospheric conditions during this night

July 25, 2024
10:55 pm

Diagnosis: The high humidity content and the activity associated with the Intertropical Convergence Zone, which remains over the country, favor unstable atmospheric conditions in the national...

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Jul

25

Meteorological Warning

Showers with thunderstorms this afternoon and evening in several areas of the country

July 25, 2024
10:30 am

Diagnosis: The position of the Intertropical Convergence Zone over the country, together with local factors such as high temperatures and the entry of sea breezes, favor unstable atmospheric...

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Weather warnings history

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Weather Warning-IMN-181123-5:00 p.m.

Nov

18

Weather Warning (Update)

Variable rains this afternoon and evening in South and Central Pacific regions

November 18, 2023
5.00 p.m.

Diagnosis: The Intertropical Convergence Zone over Costa Rica maintains instability in maritime areas surrounding both slopes. This factor has generated cloudy conditions with variable rains for both the Central Valley and the Pacific regions and mountains of the Caribbean and Northern Zone.

Specifically, they have accumulated so far for: the Central Valley between 15 - 35 mm, for the North Pacific of 15 - 25 mm with a specific maximum in the Nicoya Peninsula of 55 mm, Central and South Pacific between 20 - 40 mm with maximums 50 mm. On the other hand, the Northern Zone and Caribbean regions only report locally on the surrounding sectors of Upala (90 mm) and Siquirres (50 mm).

Forecast: For the afternoon and evening hours, precipitation is expected to continue, with scattered rains and downpours, mainly in sectors of the Central-South Pacific and mountains of the western Caribbean (mountainous parts and surrounding low sectors). The estimated amounts in 24-hour periods will be between 25 - 50 mm with very specific maximums between 60 - 90 mm.

The Northern Zone will have localized downpours with thunderstorms, with accumulated amounts between 15 - 45 mm and specific maximums of 70 mm.

The Central Valley will tend to present scattered rains that will decrease at night, with amounts less than 30 mm. It will remain cloudy and fog banks during the night.

Warning: Soil saturation persists in the South Pacific, mountainous Central Pacific, Osa Peninsula, Northern Zone and mountainous Northern Caribbean.

Due to the above, the IMN recommends:

• Caution due to sewage saturation and possible flash floods, as well as the main routes of the country in the event of heavy rain events.

• 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.

• Stay informed through social networks, Twitter: @IMNCR, Facebook: National Meteorological Institute CR and the WEB Page: www.imn.ac.cr

Jose Valverde Mora

Meteorologist

DMSA-IMN