Cyclogenesis Phenomenon to Bring Severe Weather and Temperature Drops to Argentina

A wide scale cyclogenesis phenomenon is expected to affect large portions of Argentina starting Thursday, bringing a drastic change in weather conditions over a three day period. According to the Servicio Meteorológico Nacional (SMN), the system will generate heavy rains, intense wind gusts, and a subsequent arrival of polar air. The instability is expected to begin in the central region and Cuyo before extending to the AMBA region, Buenos Aires province, the Litoral, and the northeast. Areas in Santa Fe, Entre Ríos, Corrientes, Chaco, and Formosa are among the most compromised by potential heavy precipitation. In the AMBA region, forecasts indicate initial cloudiness and instability followed by a drop in temperatures as cold air moves in. Localized forecasts for Punta Lara, Buenos Aires, for Thursday, August 20, 2026, predict a maximum temperature of 17 degrees Celsius and a minimum of 5 degrees Celsius with no precipitation expected during that specific day. Authorities recommend monitoring the SMN early warning system due to risks of flooding and falling branches. The phenomenon of cyclogenesis, also known as a meteorological bomb, involves the rapid formation of a low pressure system that creates strong storms and dangerous wind gusts.