Vortex Cotes’s Spiral inone in the Southern Coast of Brazil An Extratropical Cycl

Abstract

An "explosive extratropical cyclone" is an atmospheric phenomenon that occurs when there is a very rapid drop in central atmospheric pressure. This phenomenon, with its characteristic of rapidly lowering the pressure in its interior, generates very intense winds and for this reason it is called explosive cyclone, "cyclone bomb" CB. It was determined the mathematical equation of the shape of the extratropical cyclone, being in the shape of a spiral called "Cotes's Spiral." In the case of CB, which formed in the south of the Atlantic Ocean, and passed through the south coast of Brazil in July 2020, causing great damages in several cities in the State of Santa Catarina, South-ern Brazil. With gusts recorded of 116 km/h, atmospheric phenomenon -CB hit southern Brazil on June 30, the beginning of winter 2020, causing destruction in its influence over. In five hours, the CB traveled a distance of 257.48 km (159.99 miles), at an average speed of 51.496 km/h (31.998 miles/h)27.81 knots, moved towards ENE, with a low pres-sure center of 986 mbar, 07:20 UTC, approximate location 35•S 45•W, and 5 hours after 12:20 UTC had already grown and had a low pressure center of 972 mbar, approximate location 34•S 42•30'W. The temperatures of the clouds and the surface near the low-pressure center of the CB. The temperature in the center of the CB is approximately 45•C at 07:20 UTC, July 1, 2020. Five hours later, at 12:20 UTC, in the low-pressure center of the CB, the temperature varies from 45•C to -30•C, indicating that the CB increases in size and further tapers its core, sucking a great amount of steam to high altitudes of water where it condenses quickly.

Extratropical cyclone in the South Georgia and south sandwich islands and double spiral galaxies

“…Subtropical cyclones in the Atlantic basin are classified by their maximum sustained surface winds: Subtropical depressions have surface winds less than 18 m/s (35 knots), while subtropical storms have surface winds greater than or equal to 18 m/s. 7,8,13,[15][16][17][18][19][20][21][22][23][24][25][26] 1 South Georgia and the South Sandwich Islands is a British Overseas Territory in the southern Atlantic Ocean. It is a remote and inhospitable collection of islands, consisting of South Georgia and a chain of smaller islands known as the South Sandwich Islands.…”

“…As a result, tropical cyclones rotate in a counterclockwise (or cyclonic) direction in the Northern Hemisphere and in a clockwise (or anticyclonic) direction in the Southern Hemisphere. 7,8,13,[15][16][17][18][19][20][21][22][23][24][25][26] The occurrence of cyclones is relatively common for the region at this time of year, but the recent phenomenon has been exacerbated by other meteorological and atmospheric factors. This phenomenon, with this feature to lower the pressure inside quickly generates very strong winds and so that name of explosive cyclones.…”

“…[39][40][41][42] The core of cyclone presents the form of a double spiral, Figures 1-3, in the same way the study of the spiral of the galaxies of Lindblad. 1,43 This spiral is denoted from Cotes Spiral Gobato et al [11][12][13][14][15][16][23][24][25][28][29][30] Phys Astron Int J. 2023;7(3):157-161.…”

Tornadoes analysis Concordia, Santa Catarina, Southern Brazil, 2022 season

“…Several tornadoes have formed and evidenced in 2022 in the states of Parana, Santa Catarina and Rio Grande do Sul, southern region of Brazil. [4][5][6][7][8] Tornadoes come in many shapes and sizes, but they are typically in the form of a visible condensation funnel, whose narrow end touches the earth and is often encircled by a cloud of debris and dust. Most tornadoes have wind speeds less than 110 miles per hour (180 km/h), are about 250 feet (80 m) across, and travel a few miles (several kilometers) before dissipating.…”

Double Cote’s Spiral in M83 Galaxies, NGC 1566 and Cyclone in the South Georgia and South Sandwich Islands

“…Subtropical cyclones sometimes become true tropical cyclones, and likewise, tropical cyclones occasionally become subtropical storms. Subtropical cyclones in the Atlantic basin are classified by their maximum sustained surface winds: Subtropical depressions have surface winds less than 18 m/s (35 knots), while subtropical storms have surface winds greater than or equal to 18 m/s [9][10][11][12][13][14][15][16][17][18][19][20][21]26,27,29].…”