Why is the climatic phenomenon that cuts the drought associated with the Child Jesus?

After months of severe drought, and "in discount time" to take advantage of the appropriate soybean and corn planting season, the expected rains for agricultural production arrived this Thursday, which improved the outlook in the field, although in some regions they were insufficient.

The fall of water was uneven, with averages of 35 millimeters in the center-west of the country, while in other areas the averages were much lower. Thus, the soil situation improves but is still critical.

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The climatic phenomenon associated with the rains is called Niño, "because of the blessed arrival of Jesus at Christmas." The term began to be used since Peruvian fishermen referred to the end of the year rains in this way. As a counterpart, the meteorological reference for time with below-normal rainfall is La Niña.

Strictly speaking, El Niño/Southern Oscillation (ENSO) is a natural phenomenon characterized by the fluctuation of ocean temperatures in the central and eastern part of the equatorial Pacific, associated with changes in the atmosphere, which have a great influence on climatic conditions. from various parts of the world. It comprises three phases: El Niño, La Niña and a neutral phase.

The ENSO is one of the most important patterns of the so-called interannual climate variability, which includes changes in the circulation of the atmosphere that can last from several months to a few years.

The Southern Oscillation is the atmospheric component, while El Niño and La Niña are the oceanic components. An El Niño phase is declared when sea temperatures in the tropical eastern Pacific rise 0.5°C above average for several consecutive months (5 quarters). A La Niña phase occurs when those ocean temperatures drop below 0.5°C.

The storm covered various agricultural regions and will allow the completion of the planting of the two main crops in Argentina.

Crops will need more water and the predominantly dry weather is likely to persist for another month or two, but forward-looking forecasts indicate that the lack of moisture should dissipate as the summer progresses.

The most intense precipitations were generated in the center of the province of Buenos Aires. The highest rainfall records occurred at Estación Monroe, Salto district, with 95 mm and Carmen de Areco, with 91 mm.

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The records of water falling in some towns in the province of Buenos Aires, according to the Twitter account of Meteo-Salto, were the following:

Abundant rains were also recorded in other Buenos Aires districts, although they were uneven depending on the area.

In Mercedes, in Barracks VIII, 72 mm fell, 54 mm in Barracks V, in Chacabuco, and 36 mm in Dennehy, on July 9.

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Other records were as follows: Bragado: 83 mm, O'Brien: 38 mm, Los Toldos: 20 to 45 mm, 25 de Mayo: 15 to 70 mm, Saladillo: 25 mm, Suipacha: 37 mm, Chivilcoy: 38 mm Comodoro Py : 22 to 50 mm, Vedia: 10 to 15 mm, Arenales: 13 mm.

Affected by a severe drought, the records do not change the dark productive panorama in most of the towns in the north of Buenos Aires.

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In the Mediterranean province, the maximum records reached 47 mm, as happened in Los Chorrillos, the rest averaged 30 mm, according to data from the Provincial Administration of Water Resources.

This can be seen in the map of records of the APRHI, Provincial Administration of Water Resources.

Also read: Almost 80% of the wheat has already been harvested, but the planting of soybeans and corn is still delayedThe records of water falling in some towns in the province of Buenos Aires, according to the Twitter account of Meteo-Salto, were the following:Abundant rains were also recorded in other Buenos Aires districts, although they were uneven depending on the area.