चक्रवात  हिन्दी देवनागरी में पढ़ें।

ushnakatibndhiy chakravat

chakravat kam vayumandaliy dab ke charon or garm havaon ki tez andhi ko kaha jata hai. dakshini golarddh men in garm havaon ko 'chakravat' ke nam se janate hain aur ye ghadi ki suee ke chalane ki disha men chalati hain. jabaki uttari golarddh men in garm havaon ko 'hariken' ya 'taiphoon' kaha jata hai. ye ghadi ki suee ke viparit disha men chalati hain.

chakravat ka karan

garm kshetron ke samudr men soory ki bhaynkar garmi se hava garm hokar kam vayudab ka kshetr bana deti hai. hava garm hokar tezi se oopar jati hai aur oopar ki nami se sntript hokar snghanan se badalon ka nirman karati hai. rikt sthan ko bharane ke lie nam havaen tezi ke sath niche jakar oopar ati hain. phalasvaroop ye havaen bahut hi tezi ke sath us kshetr ke charon taraf ghoomakar ghane badalon aur bijali kadakane ke sath-sath moosaladhar barish karati hain.

uttari hind mahasagar ke chakravat

kshetr ke ath desh (bangladesh, bharat, maladiv, myanmar, oman, pakistan, shrilnka tatha thailaind) ek sath milakar ane vale chakravaton ke 64[1] nam tay karate hain. jaise hi chakravat in athon deshon ke kisi bhi hisse men pahunchata hai, soochi se agala doosara sulabh nam is chakravat ka rakh diya jata hai. is prakriya ke chalate toofan ko asani se pahachana ja sakata hai aur bachav abhiyanon men bhi madad milati hai. kisi nam ka doharav nahin kiya jata hai.

in ath deshon dvara sal 2004 se chakravaton ke namakaran ki shurooat ki gee thi. is bar nam rakhane ki bari oman ki thi. usaki soochi men prastavit nam 'hudahud' tha, isilie kuchh hi samay pahale udisa men aye chakravat ka nam 'hudahud' rakha gaya tha. pashchim madhy arab sagar men bane gambhir chakravatiy toofan ko 'nilophar' nam pakistan ne diya tha.

  • chakravaton ke nam rakhane ki pravritti aaustreliya se shuroo huee thi. 19vin sadi men yahan chakravaton ka nam bhrasht rajanetaon ke nam par rakha jane laga tha.

prakar

chakravat do prakar ke hote hain-

  1. ushnavalayik chakravat (Tropical cyclone)
  2. ushnavalayapar chakravat (Extratropical cyclone)

ushnavalayik chakravat

ye vayu sngathan ya toofan hain, jo ushn katibndh men tivr aur any sthanon par sadharan hote hain. inase prachur varsha hoti hai. inaka vyas 50 se lekar 1000 mil tak ka tatha apekshakrit nimn vayudab vala kshetr hota hai. ye 20 se lekar 30 mil prati ghnta tak ke veg se chalate hain. inamen havaon ke ghoomane ki gati 90 se lekar 130 mil prati ghnte tak hoti hai. ye vestindij men 'prabhnjan'[2] tatha chin sagar evn philipin men 'bavndar'[3] kahe jate hain.

ushnavalayapar chakravat

yah madhy evn uchch akshanshon ka nimn vayudab vala toofan hai. isamen havaen 20 se lekar 30 mil prati ghnte ke veg se sarpil roop se chalati hain. pray: isase himapat evn varsha hoti hai. donon prakar ke chakravat uttari golardh men vamavart[4] tatha dakshini golardh men dakshinavart[5] roop men sncharit hote hain. ushnavalayapar chakravat men sadharanat: vayu-vichalan-rekha hoti hai, jo vishuvat ki or nimn vayu kendr men saikadon mil tak badhi rahati hai tatha garam evn nam vayu ko thndhi aur shushk vayu se prithakh karati hai.


inhen bhi dekhen: chakravat ki ankh


panne ki pragati avastha
adhar
prarambhik
madhyamik
poornata
shodh

tika tippani aur sndarbh

  1. har desh ath nam
  2. Hurricane
  3. Typhoon
  4. counter-clockwise
  5. clockwise

bahari kadiyan

snbndhit lekh

varnamala kramanusar lekh khoj

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