Weather Warning (Update)

Instability of the upper atmosphere and active Intertropical Convergence Zone over the country

August 21, 2024

04.40 p.m.

Diagnostic: The presence of high-level atmospheric instability over the region, combined with seasonal factors such as the Intertropical Convergence Zone and the Caribbean low-level Jet Stream (accelerated trade winds), have favored the presence of showers accompanied by storms in maritime areas surrounding the Central and South Pacific early this morning and tomorrow, Wednesday, as well as in maritime sectors of the North Caribbean. In the last 6 hours, cloudiness has appeared with local rains in the Central and South Pacific with accumulations between 5 - 30 mm, while for the Caribbean and parts of the north of the North Zone, records of less than 10 mm have accumulated. This afternoon, most of the strong convective rain activity has been recorded between Puntarenas and Nicoya, with amounts of: 80 mm in Barco Quebrado, 40 mm in Ciudad Neily, 38 mm Pitahaya de Puntarenas, 33 mm in Orotina, 20 mm in Damas.

DMSA-IMN