The intense cold of high pressure marked the morning of International Workers’ Day, with minimums below zero degrees Celsius in several sectors of the south of the country. And although he intense cold will continue being the trend for a couple more days, a frontal system is already seen developing and then it will walk towards the country.
He frontal system in formation will be fully developed this Thursday 02, reaching the southern zone between the night of that day and the early hours of Friday (03). The arrival of this front system will provide more snow to the Aysén Regionas well as rains to Los Lagos and Los Ríos starting from the morning of the same Friday.
This front will arrive in the country accompanied by an atmospheric riverwhich will provide a considerable load of humidity as it advances through the south of the country, where sectors are expected to accumulate abundant rainfall concentrated in short periods of time.
This will be the case of Valdiviawhere only the Friday They wait more than 40mm. Osorno could receive between 30 to 40 mm on the same day, while Montt port would be noted between 25 to 30 mm.
Atmospheric river will feed the front so that it maintains its precipitation
The atmospheric river will maintain a supply of humidity on the front, allowing it to be active and advance to the Maule Region during Saturday (04).
During Sunday (05), the atmospheric instability will remain active, with the possibility of registration electrical storms in the regions of Biobío, La Araucanía and Los Ríos.
In the southern zone, some sectors will receive more than 100 mm of rainfall over the weekend. The mountain range will benefit with snowfall thanks to the presence of a cold air mass over much of the southern and central area of the country.
The frontal system will remain active throughout the weekend thanks to the postfrontal instability that will arrive pushed by the cold air.
A great high pressure, which has continued to move an air mass with low temperatures from the southern sea, also causes areas of instability. The anticyclone will also remain active for much of next week, helping cyclogenesis in the south and Patagonia.
When will new rains be received over north-central Chile?
The great troughwhich has remained almost motionless over the center, south and Patagonia, favoring the development of several cyclones – which have given life to frontal systems that have acted over the south and part of the central zone – will continue to be present during next week.
How is it going to rain in Chile this week? Meteored Precipitation Forecast
During the early hours of Monday (06) the development of a cyclone off Patagonia which will be pushed by the southerly winds and will move in the direction of the southern center of the country, along the eastern margin of an intense cold anticyclone.
He temperature contrast will cause a new frontal system to develop, which would have chances to also advance through the central zone of the country. This system pIt could even leave rainfall over the central north and the southern coast of the Coquimbo Region.
In the coming days will have to evaluate its possible development and areas of impact, as well as the intensity of the rains and snowfalls that it could leave in its path through the central zone of Chile, during Tuesday and Wednesday of next week.
