A cold wave with winter characteristics was installed on the Buenos Aires Metropolitan Area (AMBA) and a large part of the central region of the country after the passage of a cold front that brought with it a rotation of the wind to the southern sector that marked the beginning of a change in air mass. The temperatures forecast for this week are closer to typical values for June or July than those expected for the second half of May.
This Monday The coldest day of the week begins. The City of Buenos Aires will register minimums close to the 3°Cwhile in different sectors of the Buenos Aires suburbs The values could drop between 2 and 3 degrees more.
The maximum would barely be around 17°Cwith clear skies and light winds from the west sector. The thermal amplitude will be marked: the cold will be noticeable especially at dawn and dusk, but when the sun is stronger during the day, the temperature will rise and it will be a little warmer.
He Tuesday it would bring, in relative terms, the mildest afternoon of the week. The position of the center of high pressures It will drive dry winds from the west and northwest over the region, also favored by clear skies. Even so, the thermal relief would be moderate: the extreme temperatures would barely exceed those of Monday by one or two degrees, with maximums that would not exceed 19°C and minimums around 5°C. The mornings will continue to be cold and a coat will continue to be necessary for much of the day.
The scene changes towards the middle of the week. For him Wednesdaythe main meteorological models anticipate the advance of a new cold front over the center of the country, as detailed by the specialized site Meteored. The system could bring another wave of cold air that, although somewhat more humid, would not be enough to cause significant rain.
The maximums would decrease again to values close to the 16°Cwith minimums of around 7°C. The rotation of the wind to the southern sector will reinforce the thermal sensation cold throughout AMBA.
The circulation of that air mass in the southern sector would persist at least until noon on Thursday. Only during the second half of that day would a slow rotation of the wind towards the east begin, although without significant changes in temperatures: the minimums will be around 5°C and the maximums would barely reach 14°Caccording to the site.
On Thursday and Friday, days without rain and good weather are expected, although the clouds will be more present and that will mean that the temperature will not rise as much during sunny hours. The easterly wind will contribute to maintaining a cool and humid environment towards the end of the week, with minimums close to 6°C and maximums that would be around 14°Cthe lowest values of the entire week.
He weather alert map issued this Sunday by the National Weather Service shows active alerts for today in much of the Argentine territory.
Most of the Argentine territory remains without alarming conditions, while the south of the Patagonia —including sectors of Holy Cross, Tierra del Fuego and Malvinas Islands— appears under yellow alert due to strong windswhich indicates higher risk conditions in that area. In these cases, the official recommendations are the following:
- Avoid going out.
- Remove or secure objects that can be blown by the wind, such as flower pots, chairs or awnings.
- Close and stay away from doors and windows.
- Do not take shelter under canopies, billboards, trees or poles.
- Be careful when driving.
Given the increase in the time spent in closed environments that these conditions usually bring, the World Health Organization (WHO) reminds that ventilating indoor spaces remains one of the most effective measures to reduce the risk of respiratory infections during the cold season.
