According to what the National Meteorological Service indicates, a day with Zonda wind is expected, as indicated in the alert and the detail foresees that for this Thursday, June 27, the maximum will rise to 24°C while the minimum falls to 2°C.
The day will be presented with mostly cloudy skies and northwest wind in the morning, which will rotate towards the north and close from the south. It should be noted that in the yellow alert issued by the SMN, they assure that there will be Zonda wind. In this sense, they highlighted that “the area will be affected by Zonda wind with speeds between 30 and 50 km/h with gusts that could reach 70 km/h, which may be exceeded from time to time. This phenomenon can cause reduced visibility, a sudden increase in temperature and very low relative humidity conditions.”
For the rest of the week, they predict maximum temperatures that will range between 12 and 17 degrees.
Climate of San Juan
The climate of San Juan is desert-like, with little rainfall, high aridity and a significant annual and daily temperature variation. Temperatures oscillate around the average of 32 °C in January, with maximums that exceed 39 °C and can even reach peaks of 44 °C absolute, and 8 °C in July, where frost occurs and can be frequently record temperatures below 0 °C. No month has rainfall above 20 mm, and it is more likely in summer (between December and March). Three types of zonal winds blow in San Juan: the typical Zonda, the South and the North Wind. The first comes from the west, it usually starts with heavy snowfall in the mountain area, and arrives in the city very warm and dry. It occurs more frequently in the months of August and September, due to the change of season.
The South, has a southeast direction, is more frequent than the previous one, it occurs at any time of the year. It consists of a strong wind from the south, fresh and more humid, which lasts several days, and is often accompanied by storms in summer, it is expected to refresh a previous suffocating situation of Zonda wind (prefrontal syndrome).
The North comes from this direction, blows less frequently, and carries warm and humid tropical air.
Geography of San Juan
The province has a territory whose surface area is 89,651 km², where a mountainous relief with scant vegetation, fertile oases, mountain melting rivers, mountain ranges and important mining and paleontological deposits stand out. It presents a geographical space that is geoformologically abrupt interspersed by depressed areas, where rocky outcrops predominate with little presence of evolved soil, whose location of the latter, always with very little evolution (fertility), is present in the oases -tectonic depressions filled with sediments transported by alluvium – where the largest number of population settles, whose activities are reflected in primary, secondary, tertiary and quaternary, constituting true nuclear spaces in the oases, that is, where various activities are gathered and linked that avoid the scarcity of goods. and services to enable permanent seating.
