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Aviso Meteorológico-IMN-130920-Precipitaciones y actividad eléctrica este domingo -actualización



Weather Warning Update

Precipitation and electrical activity this Sunday

September 13, 2020
4:00 p.m.

Diagnosis: The proximity of the Intertropical Convergence Zone, added to disturbances in the upper atmosphere, are generating considerable instability in the atmosphere, which together will generate rainfall and electrical activity in the country.

In the first half of the afternoon period, scattered downpours have occurred in the North Pacific (Nicoya Peninsula, Tilarán, western sectors of the border, Liberia), and the South Pacific (Ciudad Neily, Sierpe, Rio Claro, Pindeco), amounts between 10-50 mm. The rest of the country with rains of weak to moderate intensity and scattered in mountainous sectors with accumulated 5mm.

Forecast: During the remainder of this afternoon and first hours of the night, the pattern of heavy downpours and an electrical storm will continue in the sectors of the North Pacific, this activity is forecast to begin to activate the Nicoya Peninsula, also expecting rains of variable intensity in this sector respectively, estimating amounts for the remainder of the afternoon and night between 10-60mm, for the Central Valley, mountains of the North Zone and the Caribbean, they are estimated accumulated between 5-20mm for the remainder of the day .


Warning: High levels of soil saturation prevail in the North Zone, northwest of the Central Valley, the Nicoya Peninsula and the South Pacific; therefore, particular attention is recommended.

Due to the above, the IMN recommends:

  •     Caution in areas vulnerable to flooding due to sewer saturation.
  •     Take shelter in a safe place in case of hearing an electrical storm or perceive strong gusts of wind near the storm clouds, as well as caution against possible falling tree branches, power lines, among others.
  •     Stay informed through social networks, Twitter: @IMNCR, Facebook: Instituto Meteorológico Nacional CR and the WEB Page:

Daniel Chacon Fernandez