The infographics explain the major weather changes that occur in Brazil at the end of the first half of July
Major weather changes occur in Brazil and other South American countries between July 12 and 16, 2023, forming a glarge and strong extratropical cyclonethe formation of a cold front and the displacement of a strong cold air mass of polar origin.
The formation process of the extratropical cyclone will affect Paraguay, southern Brazil, Uruguay and northern Argentina and could cause high winds, heavy rain showers, lightning and hail.
OR the extratropical cyclone is an area of low atmospheric pressure where the winds revolve around a centre, always clockwise, in the case of the southern hemisphere, forming a complete circle.
The lower the air pressure in the center of the cyclone, the stronger the winds, the greater the potential for the development of very large clouds, which cause massive and heavy rains, wind, lightning and finally hail.
The cyclone that forms between 12 and 13 July 2023 over southern Brazil is expected to reach atmospheric pressure values just below 1000 hectopascals (hPa), which is a measure of atmospheric pressure. Technically atmospheric pressure values close to and below 1000 hPa are considered potentially dangerous and generators of disturbances such as storms and wind.
Detailed analysis of the July 12 and 14 extratropical cyclone and cold air
The infographics explain step-by-step how the formation and displacement of the extratropical cyclone, the action of the cold front and the formation of the cold air mass occur between July 12 and 14, 2023.
On July 15, the cold polar air will be intense in the South, with frost forecast over large areas of the three states. It can freeze hard.
Formation of the extratropical cyclone on 7/12/2023 (Art: Climatempo)
Formation of the extratropical cyclone on 7/12/2023 (Art: Climatempo)
Extratropical cyclone and polar cold air show on 13/07/2023 (Art: Climatempo)
Extratropical cyclone and polar cold air show on 13/07/2023 (Art: Climatempo)
Extratropical cyclone and polar cold air show on 07/14/2023 (Art: Climatempo)
Extratropical cyclone and polar cold air show on 07/14/2023 (Art: Climatempo)
Source: Terra
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