A farkon watan Agusta 29, yanayin da ya faru ya kara karfi a cikin hadari mai zafi kuma ya sami sunan Norman. Yanayin yanayi mai kyau ya ba da damar saurin saurin yanayi, kuma tsarin ya sami ƙarfin guguwa a farkon watan Agusta 30. Saurin saurin ya biyo baya a ko'ina cikin yini, wanda ya kai ga Norman ya kai kololuwar ƙarfinsa a 15:00 UTC, tare da iskar iska mai ƙarfi na 150 mbar (240 km / h) da kuma matsin lamba na tsakiya na 97.37g (267 km / h) a ranar 28 ga watan Agusta. Sauran yanayi na guguwa sun sake dawowa ba zato ba tsammani zuwa wani yanayi mai zurfi na tsananin zafi a tsakiyar tsakiyar Pacific (247 km / h), wanda ya haifar da haɗuwa da yanayin guguwa mai zurfi da kuma haɗuwa da yanayin guguwa mai zurfi na tsananin zafi. A ranar 31 ga watan Satumba, 2015, bayan da guguwa ta sake komawa zuwa wani yanayi mai zurfi na tsananin zafi da kuma haɗuwa da yanayin da ke faruwa a tsakiyar tsakiyar Pacific, ta sake komawa zuwa wani yanayi na guguwa mai zurfi da kuma haɗ
CPHC