Weather warnings
Aviso Meteorológico-IMN-120624-1000am
Jun
12
Weather Warning
Tropical wave #8 moving over the country this Wednesday
June 12, 2024
10.00 a.m.
Discussion: Tropical wave #8 is over the national territory, this system and its interaction with the Intertropical Convergence Zone will cause favorable conditions for the generation of rainy activity of variable intensity in the different regions of the country during this afternoon and night.
Forecast: Precipitation will begin around noon, continuing during the afternoon and part of the night; it will start over the mountainous axis and will gradually extend towards the lower parts.
Heavy rain and downpours with thunderstorms are expected in the Northn Zone, North Pacific, and Caribbean mountains, with an estimated accumulation of 30-80 mm in 6-hour periods, and higher amounts are possible in a localized manner. In the Central Valley, as well as in the Central and South Pacific, rain of varying intensity with thunderstorms is expected, with amounts between 20-50 mm and punctual maximums of 60-80 mm, in 6-hour periods.
As mentioned, rainy activity will extend into the night period in the Northern Zone and Pacific regions, gradually decreasing in intensity and distribution. In the Central Valley and Caribbean mountains, light rain and fog banks are expected.
Warning: The rains projected for urban areas may once again be the precursors of flooding and sewer saturation in sectors that have already occurred. Saturated soils are recorded in the province of Cartago, cantons south of San José, the Sarapiquí Basin and the entire North Zone, as well as in the North and South Pacific, and mountains in the Central Pacific, making these regions vulnerable to landslides and possible flooding.
Due to the above, the IMN recommends:
- Be careful due to sewer saturation in places prone to this type of flooding.
- Prevention in the event of an electrical storm and seeking shelter in a safe place in case of strong gusts of wind near the storm clouds, due to the possible fall of tree branches, power lines, among others. These gusts can reach 80 km/h in some isolated cases.
- Stay informed through social networks, Twitter: @IMNCR, Facebook: Instituto Meteorológico Nacional CR and the WEB Page: www.imn.ac.cr
Rebeca Morera R
Meteorologist
DMSA-IMN
Weather warnings history
In this section you will find the weather warnings history.
Jan
15
Weather Warning
Strong gusts in the center and north of the country this Wednesday
January 15, 2025
10.50 a.m.
Diagnosis: The increase in atmospheric pressure over the Central American region and the Caribbean Sea causes an increase in the intensity of the trade wind over the center and north of the...
Jan
09
Weather Warning
Rainy conditions will continue overnight in the North Zone
January 9, 2025
06.25 p.m.
Discussion: Accelerated winds prevail in the country, favoring the constant drag of humidity from the Caribbean Sea towards the national territory. The strongest gusts have been recorded in...
Jan
09
Weather Warning
Cold surge #8 leaves the Caribbean Sea, but rains will continue in the Northern Zone
January 9, 2025
10:00 a.m.
Diagnosis: This Thursday the cold push #8 is in the Atlantic moving away from the Caribbean Sea so it no longer has influence in Costa Rica. However, a high pressure system in the United States...
Jan
08
Weather Warning (Update)
Cold surge #8 maintains influence this Wednesday
January 8, 2025
5:10 p.m.
Diagnosis: This Wednesday, the effects of cold pressure #8 (EF#8) continue over the country, the cutting line associated with this system has reached Costa Rica. This favors occasional gusts in...
Jan
08
Weather Warning
Cold surge #8 maintains influence this Wednesday
January 8, 2025
09.25 a.m.
Discussion: On this Wednesday, the effects of cold surge #8 (EF#8) continue over the country, the cutting line associated with this system has reached Costa Rica. This favors windy conditions in...
Jan
07
Weather Warning
Influence of Cold Surge #8
January 7, 2025
10:00 a.m.
Diagnosis: Cold Surge #8 (EF#8, for its acronym in Spanish) entered the Caribbean Sea on Tuesday, its associated shear line is positioned close to the Nicaraguan Caribbean coast. The presence of...
Dec
31
Weather Warning
Rains of variable intensity during this afternoon and early evening
December 31, 2024
11.30 a.m.
Discussion: The Intertropical Convergence Zone remains close to the country, along with instability in the upper atmosphere, these are factors that increase the high probability of rain and...
Dec
30
Weather Warning (Update)
Isolated showers in some areas of the country in the late afternoon.
December 30, 2024
4 p.m.
Diagnosis: The position of the Intertropical Convergence Zone over the country together with atmospheric instability have generated variable rainfall in the country since the morning. Up to this...
Dec
30
Aviso Meteorológico
Aguaceros fuertes aislados este lunes para algunas zonas del país
30 de diciembre de 2024
9:00 am
Diagnóstico: La posición de la Zona de Convergencia Intertropical sobre el país aunado a inestabilidad en la atmósfera alta generan condiciones favorables para la presencia de lluvias variables...
Dec
29
Weather Warning
Heavy showers this afternoon and early evening
December 29, 2024
11:20 a.m.
Diagnosis: The increase in humidity over southern Central America, favored by very weak trade winds and an anomalous position of the Intertropical Convergence Zone over the country, has generated...