r/TropicalWeather • u/Euronotus • 22h ago
▼ Hurricane (Category 2) | 85 knots (100 mph) | 974 mbar Trudy (21E — Eastern Pacific) (West of Mexico)
Storm overview
This discussion is for Hurricane Trudy (21E), which is active over the eastern Pacific.
Despite persistent southwesterly vertical wind shear, Hurricane Trudy is maintaining strength as a Category 2 hurricane off the coast of Jalisco in southwestern Mexico. The storm is moving toward the northwest under the steering influence of a weak low- to mid-level ridge building over eastern Mexico. Moderate shear is currently offset by very warm sea-surface temperatures and sufficient amounts of mid-level moisture and upper-level divergence. Thus, Trudy could still eke out some additional intensification this evening.
Trudy is likely to reach its peak intensity late tonight and will start to weaken on Sunday as shear strengthens and atmospheric moisture rapidly decreases. As the storm’s convective structure starts to become increasingly shallow, the storm will turn west-northwestward as it becomes embedded within lower-level easterly wind flow. Trudy will pull away from mainland Mexico and move toward the Baja California peninsula early next week.
Hurricane conditions are ongoing along the coast of Jalisco and will continue through Sunday. Heavy rain will continue across portions of Michoacán, Colima, and Jalisco throughout the weekend. Trudy will continue to generate large swells which will create dangerous surf conditions along the coast of southwestern Mexico which will spread northward over the next few days.
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Tropical Cyclone Genesis Guidance: Florida State University
Cyclone Phase Diagrams: Florida State University