hurricane hurricane final tropical cyclone atlantic hurricane season originated tropical wave entered atlantic_ocean september associated area disturbed weather eventually organized sufficiently declared tropical depression september located southeast bermuda depression upgraded tropical storm hours later unfavorable atmospheric conditions including high wind shear cool water temperatures initially intensification ultimately peaked category hurricane saffir simpson hurricane scale brushed newfoundland tropical storm effects storm minimal limited gusty winds rough surf sporadic rainfall meteorological history tropical wave emerged western coast africa entered atlantic_ocean september september associated area disturbed weather began exhibit indications organization response dvorak classifications initiated influenced moderate strong wind shear system moved west northwestward days environmental conditions favorable tropical cyclone development storm sufficiently organized designated tropical depression september time depression located southeast bermuda despite upgraded deep convection wrapped entire center circulation depression approaching tropical storm status later september wind shear continued affect cyclone september hours storm formation tenth tropical storm atlantic hurricane season received initially storm tracking northwest low pressure system west mid level ridge east day thunderstorm activity remained unstable possibly result cooler waters previous storms addition mid- upper level dry air circulation storm contained subtropical characteristics type cloud pattern early september slowed turned west convection began intensify consolidate later day outflow improved nature moving warmer waters continued strengthen attained hurricane status september period intensification short lived cyclone reached peak intensity winds mph utc october time ragged eye feature appeared satellite imagery fairly defined hurricane began periphery subtropical ridge accelerating forward speed tracking north northeast storm began gradually weaken result increasing southwesterly wind shear colder sea surface temperatures utc september downgraded tropical storm storm passed southeast peninsula october spawning tropical storm force winds land passing transitioned extratropical storm subsequently merged larger storm october preparations impact tropical storm watch issued response october peninsula watch upgraded tropical storm warning day separate watch posted quickly discontinued utc october tropical cyclone watches warnings lifted heavy rainfall gusty winds expected prompting issuance rainfall warnings parts southeastern newfoundland wind gale advisories declared offshore october sign reported winds mph located east storm center ships oil platforms recorded tropical storm force winds waves offshore reached height impacts land generally insignificant damages fatalities reported parts peninsula experienced tropical storm conditions sustained winds peaked mph gusts mph intense winds remained offshore storm rapid passage rainfall primarily light amounted
Hurricane Isaac (2006)