Nyora kupfuurira kweiyi ndima - Mwaka wa2017 wakaburitsa madutu gumi nemanomwe ane mazita, ayo gumi akazova madutu kusanganisira matanhatu ayo akasimba kuita madutu makuru (Chikamu 3, 4 kana 5). Paaya matanhatu, Harvey naIrma, vakava madutu makuru okutanga kusvika kunyika yeUnited States mumakore 12; dutu rechitatu, Nate, rakaita saizvozvowo. Mwedzi waSeptember ndiwo wakanga wakabatikana zvikuru mumwaka wacho uye ndiwo wakabatikana zvikuru mumwedzi wemadutu eAtlantic wakambonyorwa. Madutu mana makuru akararama kwenguva refu - Irma, Jose, Lee naMaria
<unk>yakafamba nomudziva reAtlantic, sezvakaita dutu rakapfupika rinonzi Katia. Pakazara, simba rakawanda remadutu rakagadzirwa munaGunyana 2017 kupfuura munguva yese yegore ra2016. Muna Kubvumbi 2018, World Meteorological Organisation yakabvisa mazita "Harvey", "Irma", "Maria", uye "Nate" kubva pamazita ayo ekutumidza mazita nekuda kwenhamba yevakafa uye huwandu hwekukuvara kwavakakonzera, uye havazoshandiswe zvakare kune rimwe dutu reAtlantic.