Weather warnings
May
09
Aviso Meteorológico
Heavy downpours with thunderstorms this afternoon on the Pacific side
May 9, 2025
10:00 am
Diagnostic: The Intertropical Convergence Zone remains positioned near our country. Additionally, local factors such as high temperatures and the entry of sea breezes contribute to favorable...
May
08
Meteorological Warning Update
(Update) Showers and thunderstorms during the afternoon and early morningmeras horas de la noche
May 8, 2025
6:00 pm
Forecast: Rainy conditions have been observed this afternoon on the Pacific coast, much of the Central Valley, and mountainous areas of the Caribbean and the Northern Zone, due to the activity of...
May
08
Weather Warning
Showers and thunderstorms during the afternoon and early evening
May 08, 2025
10.30 a.m.
Discussion: The Intertropical Convergence Zone remains located over Costa Rica, generating significant moisture and instability. This, along with morning warming and the arrival of sea breezes,...
May
07
Aviso Meteorológico Actualización
(Actualización) Lluvias y aguaceros fuertes en el Valle Central y la vertiente del Pacífico
7 de mayo de 2025
6:20 pm
Diagnóstico: La Zona de Convergencia Intertropical sobre el país, en conjunto con factores locales como el calentamiento diurno y el ingreso de humedad desde el Océano Pacífico, favorecerá...
May
07
Weather Warning
Heavy rain and downpours in the Central Valley and the Pacific slope
May 7, 2025
09:35 a.m.
Diagnosis: The Intertropical Convergence Zone (ITCZ), combined with local factors such as daytime warming and the entry of moisture from the Pacific Ocean, will favor variable rainfall throughout...
Weather warnings history
In this section you will find the weather warnings history.
Onda tropical #7 transitará mañana jueves por el país-170620
Jun
17
Weather Warning
Tropical wave # 7 will transit the country tomorrow Thursday
June 17,2020
6:45pm
Diagnosis: At 6:00 pm this Wednesday, tropical wave # 7 is located near the border between Colombia and Panama, it continues to move west.
Forecast: During the course of this Thursday, the entry of tropical wave # 7 into the country is expected, in view of this, a moderate reinforcement of evening precipitation is expected in the area of ??the Pacific slope and mountainous parts of the country with isolated rains and storms. in a localized way. In addition, it is possible to have rainy activity with intensity between weak and moderate during the early morning and morning on the Caribbean side.
Warning: Special attention in the Guanacaste and North Zone regions due to the high levels of humidity in the soils given the persistence of rainfall in recent days in these areas. These conditions increase the probability of incidents such as landslides, river overflows, etc. …
Due to the above, the IMN recommends:
- Caution in areas vulnerable to flooding due to sewer saturation.
- Take refuge in a safe place in case of listening to a thunderstorm or perceiving strong gusts of wind near storm clouds, as well as caution for possible falling tree branches, power lines, among others.
- Attention on the main national highways, such as route 27 and route 32.
- Stay informed through social networks, Twitter: @IMNCR, Facebook: Instituto Meteorológico Nacional CR and the WEB page: www.imn.ac.cr
Roberto Vindas
Meteorologist
DMSA-IMN
