Tropical Storm Manuel 2001 Pacific hurricane season








tropical storm manuel formed remnants of hurricane iris atlantic basin. core circulation of iris had dissipated on mountains of eastern mexico, while new convection developing short distance away on waters of pacific. area became better organized on next 18 hours , became tropical depression fifteen-e @ october 10, 175 mi (282 km) south-southeast of acapulco, mexico. depression moved @ 15–16 mph (24–26 km/h), first westward , west-northwestward. upper-level anticyclone centered on southern mexico producing easterly shear in environment of depression, when shear lessened system became tropical storm manuel on october 11, 200 mi (320 km) south-southwest of zihuatanejo, mexico. estimated initial peak intensity of 50 mph (80 km/h) reached day when first clear banding features developed. however, banding short-lived, deep convection diminished, , satellite microwave imagery on october 12 suggested circulation becoming elongated. wind shear returned, time northwest, , manuel turned west-southwesterly track , slowed. october 12, manuel had weakened tropical depression.


manuel remained disorganized depression next 2 , half days. continued moving west-southwest, slowed drift mid-level ridge north of cyclone gradually weakened. upper-level trough dug southward west of manuel on october 15, , manuel began move north-northwest. convection redeveloped near center , manuel regained tropical storm strength on october 15 596 mi (959 km) south-southwest of cabo san lucas, mexico. wind shear decreased , manuel strengthened, reaching peak intensity of 60 mph (97 km/h) winds, , pressure of 997 mbar (hpa; 29.44 inhg) on october 16 540 mi (870 km) southwest of cabo san lucas. point, water temperatures under cyclone decreasing , shear, time southwest, increasing. manuel began weaken while moving west-northwest , northwest. became depression @ october 17 660 mi (1,060 km) west-southwest of cabo san lucas, , dissipated non-convective low shortly after october 18. remnant low moved westward couple of days on cool waters before circulation dissipated completely.









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