north indian ocean cyclone season north indian ocean cyclone season bounds tropical cyclones tend form april december peaks november season saw total seven cyclonic storms developed severe cyclonic storms active severe cyclonic storms season forming unusually storms landfall year significant storm season cyclone formed hit bangladesh november storm killed possibly half million people making deadliest tropical cyclone recorded history storms severe cyclonic storm low pressure area developed southern late april moved north depression year depression intensified influence high level anticyclone cyclonic storm day storm turned northeast strengthened severe cyclonic storm soon peaked winds mph defined eye formed storm landfall near easternmost bangladesh early morning dissipated western burma evening cyclone brought widespread rain islands moved clear effects unknown western burma reported winds mph cyclone approached land depression depression formed northeast morning near coast moved coast landfall south night dissipating southern day effects land unknown severe cyclonic storm low pressure area developed coastline developed depression day system developed cyclonic storm moved north storm reached peak mph soon turned west soon degenerated deep depression northern depression continued west weakening remnant low shortly landfall june remnant low dissipated southern saudi_arabia day cyclone minimal effects land monsoon advanced western india late association system cyclone moved west away moist air persisted northwestern india days june brought moderate rainfall regions western cyclonic storm low pressure area developed northern june developed depression day drifted north moving south depression reversed course overland june water depression intensified cyclonic storm morning june cyclone motion shifted northwest second landfall near northern night cyclone quickly weakened deep depression overland tracked west central india degenerated broad area low pressure june sustained winds mph recorded june cyclone peak offshore high levels rain affected inches falling large areas states storm dissipated overland brought severe rain southern highest recorded rainfall inches fell june rains led flooding parts disrupted road transport region deep depression low pressure area developed northern bay previous day concentrated depression early june depression intensified moved northwest deep depression shortly crossed landfall storm continued northwest weakening depression july northeast degenerated remnant low central evening july depression brought intense monsoon conditions life inches rain winds mph recorded depression landfall june inland heavy rains caused rivers overflow flooded rice west overflowed banks places road transport disrupted damage crops area recorded highest hour rains associated depression inches falling july deep depression low pressure area moved west coast july developed depression day north central depression intensified moved northwest deep depression july system landfall coast morning july rapidly degenerated broad area low pressure overland remnant low moved north western persisted july absorbed monsoon trough winds mph recorded offshore system peak depression brought isolated heavy rains places rains excess inches falling day depression landfall absorption remnant low depression seven low pressure area lay burma august moved west developed depression evening august southeast depression moved northwest landfall near sea turned west overland depression weakened remnant low august western depression associated weather brought widespread rain south central india heavy rain falling locations heavy rain disrupted road transport areas especially east state inundated parts villages regions rains damaged rice disrupted transport rains associated depression reached far west bombay inches falling august cyclonic storm low pressure area centred august concentrated depression september east intensified moved west deep depression day east system continued west india weakening depression september near depression turned north entered southwest september system turned southwest emerged following evening water intensified cyclonic storm evening september cyclone developed short lived eye september drifted slowly west broad area low pressure neared coast september system brought widespread rains wide india existence heavy rains flooded vast areas districts resulted fatalities whilst parts neighbouring damaged fields inches rain fell days depression passed overhead thousand people homeless rivers inundated parts floods took lives caused severe damage crops properties people washed away villages district inches rain fell july inches cyclone moved sea deep depression low pressure area moved burma september developed depression depression strengthened moved northwest deep depression day southeast calcutta system crossed coast later moved northwest plateau depression stalled september remained near september depression turned east weakened remnant low northern september depression brought widespread rain lifespan rains inches far west rains caused severe property damage flooding people losing lives state flooded northern parts whilst flooded parts rains worsened floods south increasing death toll floods affecting million people considerable damage crops housing entirely flooded depression defined low pressure area formed west central september developed depression morning south east depression moved overland crossing weakened remnant low september depression brought widespread rain northern passed country remnants brought scattered rain following week period hours heavy rain fell destroying houses cities inches rain fell bombay system dissipated heavy rains claimed lives depression low pressure area developed passed southern indian developed depression southern coast october depression develop drifted west degenerated area low pressure approaching depression brought widespread rains southern states rain recorded scattered heavy rain reported severe cyclonic storm depression formed october central moved north gradually intensified turned northeast cyclonic storm october storm second severe cyclonic storm season following day turned northerly track storm peaked winds mph landfall near west east pakistan border morning october storm crossed dissipating southern october cyclone brought widespread rain formed islands moved landfall brought severe rains highest recorded rainfall india inches fell october gust mph recorded calcutta storm passed east caused failure power supply cyclone claimed lives worst damage occurring villages destroyed district leaving thousand people homeless extensive damage crops extremely severe cyclonic storm thirteen morning november depression formed south central moved slowly north cyclonic storm day continued intensify approached head bay severe cyclonic storm season november evening reached peak winds mph developed eye strongest storm season landfall coast night november cyclone weakened rapidly moved inland dissipated day south cyclone brought devastating storm surge metres high largely result surge people lost lives making storm deadliest tropical cyclone recorded deadliest natural disasters modern times total damage storm exceeded million usd million usd agricultural fishing capacity region wiped total million people suffered direct effects cyclone pakistani government severely criticised handling relief operations following storm local political leaders international media december national elections opposition gained landslide victory gaining east pakistani seats continuing unrest central government concluded creation state bangladesh times natural event helped trigger civil war deep depression fourteen low pressure developed south moved west southern bay concentrated depression morning november southeast madras system intensified deep depression moved west northwest hit tamil following day depression weakened remnant low depression brought widespread rain heavy rain hitting coastal regions low lying coastal regions damage crops housing rains left thousands homeless madras experienced exceptionally heavy rains inches falling inches fell november cyclonic storm remnant low depression emerged late november developed new depression day moved west depression moved west gradually turned southwest intensifying cyclonic storm november southeast reached peak mph winds soon cyclone continued west rapidly weakened remnant low pressure area coast day ending season cyclone brought widespread rain november november inches recorded november
1970 North Indian Ocean cyclone season