<prompt> Ramba uchinyora ndima iyi - Irma yakaisa zvinyorwa zvakawanda nokuda kwokusimba, zvikurukuru pamatanho okumabvazuva, nguva yakashandiswa pakusimba kwakadaro, uye kusimba kwayo pakusvika kunyika. Apo Irma yakasvika Chikamu 5 simba nemhepo dze 175 mph 280 km h pa11: 45 UTC musi waGunyana 5 pa 57.7 W, yakava dutu reAtlantic rekumabvazuva kweiyi simba rakanyorwa, richipfuura Hurricane David ya1979. Pakazosvika 00:15 UTC musi waGunyana 6, Irma yakasvika pakakwirira pakusimba nemhepo uye kumanikidza kushoma kwe. Ikoku kunoribatanidza neDutu Mitch ra 1998 uye Dutu Rita ra 2005 sedutu rechitanhatu rakasimba zvikurusa reAtlantic kupfurikidza nokukurumidza kwemhepo. Mamwe madutu mashanu chete eAtlantic akanyorwa nemhepo dzakakwira kupfuura Irma: Hurricane Allen ya1980, iyo yaive nemhepo dzakakwira dzakasimba dze190 mph 305 km h, uye 1935 Labor Day dutu, Hurricane Gilbert ya1988, Hurricane Wilma ya2005, uye Hurricane Dorian ya2019, ese ayo aive nemhepo dzakakwira dze185 mph 295 km h. Panguva iyoyo, Irma yaivewo dutu rakasimba kwazvo rakambonyorwa muAtlantic Ocean kunze kweGungwa reCaribbean neGulf yeMexico; yakazopfuurwa neDutu Dorian, uye yaive dutu rakasimba kwazvo reAtlantic kubvira Wilma maererano nemhepo yakasimba, uye yakanyanya kusimba maererano nekumanikidza kubvira Dean  <response>: muna 2007. Pamusoro pezvo, Irma yakawana imwe yenguva refu kwazvo yemhepo dzesimba reChikamu 5, uye yechitatu-yepamusoro-soro yakaunganidzwa dutu remhepo ACE indekisi yedutu remhepo rinopisa mudziva reAtlantic, iine kukosha kwemayuniti 64.9. Dutu reSan Ciriaco ra1899 nedutu reIvan ra2004 chete ndiro rakapfuura ipapo. 