Isiqhwithi esikhulu singonakalisa izicwangciso zakho zeeholide, yingakho iingcali zincoma ukuthatha amanyathelo okucwangcisa xa uceba uhambo ngelixesha leqhwithi.
Iqhwithi lonyaka
I-Atlantic yenkwenkwezi yonyaka iinyanga ezintandathu ubude, isebenza ukususela ngoJuni 1 ukuya kuNovemba 30, kunye nexesha eliphakamileyo ukususela ekuqaleni kuka-Agasti ukuya ekupheleni kwe-Oktobha. Iziqhumane zivame ukuba zenzeke kwiindawo ezilala ecaleni lase-East Coast kunye neGulf of Mexico, kunye neMexico kunye neCaribbean.
Ngaba ukhathazekile ngokuhamba kwezo ndawo ngexesha leqhwithi ? Ngokwemvavanyo, kukho umngcipheko ophantsi kakhulu ukuba isiphepho siyakuthintela iholide yakho. Ixesha leqhwithi lonyaka liza kuzisa iziphepho ezili-12 kunye nemimoya eqhubekayo engama-39 mph, apho ezintandathu ziza kuba ziqhutyana zintathu zibe ziqhubi ezinkulu kwiCandelo 3 okanye ngaphezulu.
Izivunguvungu zeTropical vs. Iziphepho
Ukuxinezeleka kweTropical: Umoya ujikeleza ngezantsi kwe-39 mph. Xa indawo ephantsi kwengcinezelo ihamba kunye neendudumo zeqhwithela ivelisa umoya otyhutyhileyo ngomoya ophantsi kwe-39 mph. Uninzi lweentsipho ezinomdaka lunomoya ophezulu ophakathi kwe-25 ne-35 mph.
Isiqhwithi seTropical: Umoya we-39 ukuya kwi-73 mph. Xa izivunguvungu zihamba ngesivinini se-39 mph, zithiwa igama.
Iintshukumo zePhulo 1 Ku-5
Xa isithwathwa sibhalisa umoya onokungenani ngamamayela angama-74 ngeyure, kubalwa njengeqhwithi. Le yinkqubo enkulu yesiqhwithi esenza phezu kwamanzi kwaye ihambela umhlaba.
Iingongelo ezisemgangathweni ezisuka kwiimvula zamanzi ziquka umoya ophezulu, imvula enkulu, kunye nezikhukula ezindaweni eziselunxwemeni nasemaphandleni.
Kwezinye iindawo zehlabathi, ezi zivunguvungu ezinkulu zibizwa ngokuba ngama-typhoons kunye nama-cyclone.
Iziqhwithi zibekwe kwizinga eli-1 ukuya ku-5 zisebenzisa i-Saffir-Simpson iHighric Wind Scale (SSHWS). Iziqhwithi ze-1 neye-2 zingabangela umonakalo kunye nokulimala kubantu nakwizilwanyana.
Ngokukhawuleza kweemitha ezili-111 ngeyure okanye ngaphezulu, iCandelo 3, 4, ne-5 ziqhutyelwa zivunguvungu ezinkulu.
Icandelo 1: Ukuhamba kwee-74 ukuya kuma-95 mph. Lindela umonakalo omncinci kwipropati ngenxa yezinto ezindizayo. Ngokuqhelekileyo, ngexesha leSigaba 1 sesibetho, iifestile ezininzi zeglasi ziza kuhlala zihleli. Kungase kube nemida emfutshane yexesha ngenxa yemigca yamandla okanye imithi ewileyo.
Udidi lwe-2: Umoya wee-96 ukuya kwi-110 mph. Lindela umonakalo omkhulu wepropati, kuquka umonakalo owenzela ukuphahla, ukudibanisa kunye neefestile zeglasi. Umkhukula unokuba yingozi enkulu kwiindawo eziphantsi. Lindela ukukhupha kwamanzi okubanzi okungaqhubeka kwiintsuku ezimbalwa kwiiveki ezimbalwa.
Udidi lwe-3: Umoya we-Wind ukuya kwi-111 ukuya kwi-130 mph. Lindela umonakalo omkhulu wepropati. Ifowuni kunye nezakhiwo ezingenakulungiswa zakhiwo zingatshatyalaliswa, kwaye izindlu zakhelwe kakuhle zingenza umonakalo omkhulu. Izikhukhula ezithe gqithwa ngamazwe zivame ukuza kunye nesigaba sesiqhwithi sesi-3. Ukuphuma kwamandla kunye nokunqongophala kwamanzi kulindeleke emva kwesiphepho salolu hlobo.
Isigaba 4: Umoya we-Wind of 131 ukuya ku-155 mph. Lindela umonakalo onobungozi kwipropati, kubandakanywa amakhaya asemakhaya kunye nemimandla yesikhokelo. Isiqendu se-4 sivame ukuvelisa izikhukhula kunye nexesha elide lokuphuma kwamandla kunye nokunqongophala kwamanzi.
Isigaba 5: Umoya wezantya nge-156 mph. Ngokuqinisekileyo indawo iya kuba phantsi komyalelo wokukhutshwa. Lindela ukulimala kwintlekele kwipropati, abantu, kunye nezilwanyana kunye nokutshatyalaliswa ngokupheleleyo kwezindlu zasemakhaya, amakhaya enziwe. Phantse yonke imithi kuloo ndawo iya kuhluthwa. Iinqununu ezi-5 zizisa ukuphelelwa kwamandla okude kunye nokunqongophala kwamanzi, kwaye imimandla inokuhlala iiveki okanye iinyanga.
Ukulandelela kunye noKhuselwa
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Ehlelwe nguSuzanne Rowan Kelleher