Additional flooding expected as Tropical Storm Dalila forms

Several popular tourist destinations in western Mexico are on guard for strong winds and heavy rain this weekend

A renewed round of strong winds and flooding rains is on the way for vulnerable portions of western Mexico this weekend as yet another tropical storm spins to life in the region.

Tropical Storm Dalila formed on Friday, making this the busiest start to the eastern Pacific hurricane season since 1956.

Tropical Storm Dalila forecast track

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A sprawling disturbance off the western coast of Mexico organized into Tropical Storm Dalila on Friday afternoon. The system had maximum sustained winds of 65 km/h, and its wind field extended 195 km from the centre of the storm.

The U.S. National Hurricane Center (NHC) expects Dalila to strengthen a bit over the next couple of days as it moves parallel to the coast and then starts turning out to sea.

Although the heart of the system is expected to remain offshore, it should move close enough to western Mexico that strong winds and heavy rain will push ashore this weekend. A tropical storm warning for the region includes the city of Manzanillo.

Tropical Storm Dalila rainfall forecast

Forecasters anticipate heavy rain over much of western Mexico as the edge of the tropical storm brushes the coast. Widespread rainfall totals of 50-100 mm are likely from Manzanillo to Acapulco, with locally higher totals of 100-150 mm possible.

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This much rain will likely trigger flash flooding and mudslides across the region’s mountainous terrain.

Dalila is the fourth named storm of the eastern Pacific’s hurricane season. This is the earliest we’ve seen a fourth named storm in the basin since 1956.

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