Weather warnings

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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Jun

27

Weather Warning -Update-

Rainy Afternoon in Costa Rica

June 27th, 2025
05.40 p.m.

Forecast: After the passage of Tropical Wave 9 yesterday, Thursday, the atmosphere remains unstable over the country. Along with warm morning temperatures and high humidity from recent rains,...

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Jun

27

Weather Warning

Tarde lluviosa en Costa Rica

June 27th, 2025
10:00 am

Diagnosis: After the passage of tropical wave #9 on Thursday, the atmosphere continues to be unstable over the country, which, together with the warm temperatures of this morning and the high...

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Jun

26

Weather Warning | Update

Rainfall activity of varying intensity this afternoon in the Pacific and Northern Zone

June 26, 2025
5:00 p.m.

Diagnostic: The passage of Tropical Wave #9, in combination with the Intertropical Convergence Zone, maintains atmospheric instability over the country. This has generated rain showers and...

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Weather warnings history

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Meteorological Warning

May

21

Meteorological Warning

Showers with a thunderstorm in the Central and South Pacific tonight

May 21, 2024
09:40pm

Diagnosis: Humid and unstable atmospheric conditions, favored by the passage of tropical wave #3, in addition to the activity associated with the Intertropical Convergence Zone, have favored downpours with thunderstorms in the Central and South Pacific regions during late afternoon and so far into the night period. The most significant amounts of the last 6 hours are the following: Marina Pez Vela 232mm, Finca Damas 82mm, Parrita 80mm, Barú 65mm, Ciudad Neily 60mm and Altamira 43mm.

 

 

Forecast: For the rest of the night of this Tuesday and during the early hours of this Wednesday, rains of varying intensity accompanied by an electrical storm are expected in coastal regions of the Central and South Pacific with amounts of 20 to 80 mm in 6 hours, with possible higher accumulations. in a localized manner. No significant rainfall is expected for the rest of the country.

 

 

 

Warning: Attention in coastal sectors of the Central and South Pacific, as significant rains have occurred in the last few hours. In addition, mountains of the Northern Caribbean, Northern Zone in the Sarapiquí sector, due to the saturation present in the soils. Be attentive to the development of storm clouds which present their own and significant characteristics such as descending gusts, high precipitation intensity in short periods of time and electrical discharges.

 

 

 

 

Due to the above, the IMN recommends:

 

  • Caution due to sewage saturation in places prone to this type of flooding.
  • 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. These gusts can reach between 80 to 100 km/h in some isolated cases..
  • Stay informed through social networks, Twitter: @IMNCR, Facebook: Instituto Meteorológico Nacional CR and WEBSITE: www.imn.ac.cr

 

 

Andrés Gamboa Valverde

Meteorologist

DMSA-IMN