Tropical Storm Pilar Has Formed Off Southwest Coast of Mexico

Tropical Storm Pilar is moving northward in the Pacific just off Mexico’s western shore, raking coastal areas with rain and high winds after passing close to the resort city of Puerto Vallarta. As of 06:00 UTC today, September 25, Pilar is now tracking offshore at tropical storm strength and is located around 70 mi south of Mazatlan (pop. ~658k).

A warning from Manzanillo to Playa Perula was discontinued by the Mexican government.

Pilar had maximum sustained winds of 65 kph Monday morning and its center was about 115 kilometers south of Mazatlan. The storm was moving north at about 8 miles per hour (13 kph).

Heavy rain is the greatest concern with this system with 3 to 6 inches expected in portions of southwestern Mexico, and isolated amounts up to 15 inches possible in the Mexican states of Michoacan, Colima, western Jalisco and Nayarit. This rainfall could cause life-threatening flash floods and mudslides.WIND: Tropical storm conditions are occurring within the southern portion of the warning area this afternoon, and will gradually spread northward along the Mexican coast through Monday.NEXT ADVISORY — Next intermediate advisory at 700 PM CDT.

“This new forecast is slightly below that from the previous advisory and now calls for Pilar to become a remnant low in about two days”, said NHC forecaster Chris Landsea. Pilar is forecast to continue to track north and weaken to a tropical depression by late UTC today, September 25 and dissipating by tomorrow, Tuesday September 26.

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