Climate TODAY: A new tropical storm could form at this point in the Mexican Pacific

Another possible tropical cyclone, the 18th of the season, could form soon in the Pacific Ocean; The National Meteorological Service (SMN), the official climate source of the Government of Mexico, reported this Tuesday, October 21.

This morning of Tuesday, October 21, the National Water Commission (Conagua) reported that it is monitoring an area with cyclonic potential:

Lee: Cyclone “Melissa” is about to appear; at this distance it is from Mexico

Low pressure area south of Guerrero, maintains a 20% probability of cyclonic development in 48 hours and 70% in 7 days. It is located approximately 540 kilometers south-southwest of Punta Maldonado, Guerrero, and is moving west at a speed between 16 and 24 km/h.

If its evolution continues, this phenomenon would give shape to the storm “Sonia”.

Weather from Wednesday, October 22 to Friday, October 25, 2025

A low pressure channel will prevail over the western Gulf of Mexico and the southeast of the Mexican Republicin interaction with a high-altitude trough, which will extend over the Yucatan Peninsula and with the cloud detachments of the monsoon trough, close to the coasts of the Mexican southern Pacific, in addition to divergence, will maintain the probability of showers and heavy to very heavy rains in the mentioned regions.

Consultation: The hottest day of the week arrives for Guadalajara this Tuesday

A new cold front interacting with the subtropical jet streamwill approach and enter the northern border of Mexico, where it will generate strong gusts of wind of 40 to 60 km/h in said region. For its part, a trough at medium and high levels of the atmosphere will travel through the northwest of the countrywill cause winds with gusts of 40 to 60 km/h in said region, as well as a drop in temperature in Baja California.

Another low pressure channel over the interior of the national territory in combination with the entry of humidity from the Pacific Ocean and Gulf of Mexico, it will generate scattered rains and showers with possible electric shocks in northern and western states of the country.

Don’t miss: A new cold front is coming that will reactivate rains in these states

An anticyclonic circulation at medium levels of the atmosphere over the Mesa del Norte will cause a low probability of rain in said region, in addition to the Mesa Central and the northeast of the country..

The low pressure area with a probability of cyclonic development will move westward, over the Pacific Ocean, gradually moving away from the Mexican coast..

You may be interested in: This is how the rains will be distributed in Mexico this Tuesday

Finally, A new tropical wave will enter and travel through the south of the Yucatan Peninsula and the Mexican southeast, reinforcing the probability of rain in these regions..

With information from the National Meteorological Service

* * * Stay up to date with the news, join our WhatsApp channel * * *

OA