Hukumomi a jihar Florida ta Amirka ta umarci miliyoyin jama'a su gaggauta ficewa gidajen su yayin da mahaukaciyar guguwar Irma hade da ruwan sama kamar da bakin kwarya ke cigaba da tunkarar jihar bayan ta yi mummunan ta'adi a Kuba inda ta hallaka akalla mutane 21 tare da jikata wasu da dama a gabashin yankin Caribbean.