Weather warnings
Jun
05
Weather Warning
Intertropical Convergence Zone over the country
June 5th, 2025
9:40 a.m.
Diagnosis: The Intertropical Convergence Zone is positioned over the country. This system, combined with high humidity, creates a favorable environment for rain and showers with thunderstorms...
Jun
04
Aviso Meteorológico (Actualización)
Lluvias y aguaceros con tormenta para esta tarde (actualización)
4 de junio de 2025
5:00 pm
Diagnóstico: Las altas temperaturas registradas esta mañana, junto al aumento progresivo de la humedad en el ambiente, están generando condiciones atmosféricas favorecieron la formación de...
Jun
04
Weather Warning
Rain and downpours with thunderstorms expected this afternoon
June 4th, 2025
9:55 a.m.
Diagnosis: The high temperatures recorded this morning, along with the progressive increase in humidity, are generating favorable atmospheric conditions for the formation of rain and showers with...
Jun
03
Weather Warning (Update)
Favorable conditions for heavy downpours this Tuesday
03 de junio de 2025
06.10 p.m.
Discussion: Favorable atmospheric conditions for heavy rainfall are being recorded across the country this Tuesday. The high humidity from the recent rains and the high temperatures experienced...
Jun
03
Weather Warning
Favorable conditions for heavy downpours on Tuesday
June 3th, 2025
10:00 a.m.
Forecast: Isolated showers with thunderstorms are expected along the Guanacaste and Central Volcanic mountain ranges, as well as the Central Pacific and South Pacific mountains, with estimated...
Weather warnings history
In this section you will find the weather warnings history.
Aviso Meteorológico Informativo-IMN-091120-1000am
Nov
09
Informative Meteorological Warning
Tracking tropical wave # 52 and its possible evolution into a tropical cyclone
November 9, 2020
10.00 a.m.
Discussion: Tropical wave # 52 is transiting over the Lesser Antilles, its entry to the eastern Caribbean Sea is estimated in the next few hours, this system moves slowly over the Caribbean Sea, where a low pressure could form in a couple of days. The National Hurricane Center (NHC) indicates environmental conditions conducive to development and a tropical depression could form in the second part of the week or during the weekend, as the system moves slowly towards the center of the Sea. Caribbean. There is no possibility of development in the next 48 hours, evolution potential of 50% in 5 days.
Forecast: Due to its possible position towards the weekend, as well as its eventual strengthening, there is the possibility of generating a change in weather conditions; It may cause an increase in rainy activity in the Pacific, however, in the current analyzes this reinforcement will be isolated and not very general.
The IMN will keep strict monitoring of the evolution of this tropical wave and will promptly inform of any variation of the same and its possible influence on the country.
Therefore, the IMN recommends:
- 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
