Hurricane Willa
Willa is heading northwestward but is expected to slow down recurve toward the northeast by before Wednesday and should approach landfall in northern Mexico early Wednesday before Thursday. Landfall of the circulation center is expected anywhere from near or north of Mazatlán to near Puerto Vallarta.
A hurricane watch is now posted from San Blas to Mazatlán and tropical storm watch is in effect from Playa Perula to San Blas.
Tropical storm conditions (39-73 mph winds) could arrive as early as Tuesday morning in the hurricane watch area. By late Tuesday, hurricane conditions (74+ mph winds) may develop along that same stretch of the coastline.
Low wind shear (change in wind direction and/or speed with height) and very warm water temperatures will allow Willa to continue intensifying early this week into a major hurricane (Category 3 or stronger).
Increasing wind shear will lead to weakening as Willa approaches landfall, but it should still be a strong and dangerous hurricane as it moves inland late Tuesday into Wednesday.
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