Hurricane Otto 2010 Atlantic hurricane season

a tropical wave departed western coast of africa on september 26, becoming entangled upper-level trough form subtropical depression 06:00 utc on october 6, 265 mi (425 km) north-northwest of san juan, puerto rico. depression recurved sharply northeast , strengthened subtropical storm otto 6 hours after formation. on october 7, otto completed transition tropical cyclone deep convection formed on center, despite weakening during process. system further intensified hurricane 12:00 utc on october 8 , attained peak winds of 85 mph (140 km/h) twelve hours later. abrupt increase in wind shear caused otto weaken accelerated northeast; fell tropical storm intensity 00:00 utc on october 10 , transitioned extratropical cyclone 6 hours later while positioned 1,035 mi (1,665 km) east-northeast of bermuda. extratropical cyclone persisted several days, becoming non-convective swirl on october 14 , dissipating 00:00 utc on october 18.

otto , precursor disturbance brought several days of rainfall , gusty winds greater antilles. in st. lucia, 400 houses severely flooded or destroyed, access water cut off, , power outages observed. storm impacts in saint kitts , nevis flooded homes, caused minor beach erosion, topped bridges, washed out roads, , caused severe disruption electrical services. throughout u.s. virgin islands, monthly rainfall records shattered, 21.52 in (546.6 mm) in red hook. flooding , landslides on surrounding islands closed roads , highways. across british virgin islands, worst flooding in nation s history—with precipitation amounts 24.98 in (634.5 mm)—overturned cars, damaged drainage pipes , utility lines, , left residents without water. widespread flooding across puerto rico affected @ least 295 roads, including @ least 14 severely damaged, , impacted crops. landslides , downed utility poles isolated communities, waters supplies contaminated, , numerous people required rescuing.