Yammacin Yammacin Wutar Wutar Wuta

Yammacin Yammacin Hemisphere Warm Pool (WHWP) yanki ne na Yanayin zafi na teku (SST) mai zafi fiye da 28.5 ° C wanda ke tasowa a yammacin Amurka ta tsakiya a cikin bazara, sannan ya fadada zuwa ruwan zafi zuwa gabas. 

WHWP ya haɗa da Tekun Atlantika na wurare masu zafi (TNA) a gabashin Ƙananan Antilles, Tekun Caribbean, Tekun Mexico, da gabashin arewacin Tekun Pacific (ENP).

Tsarin dumama na WHWP yana farawa da dumi a gabashin Arewacin Pacific a cikin bazara. Tsarin dipole daga Amurka ta tsakiya ya bayyana saboda hauhawar iska mai sanyi, mai bushewa ta hanyar rata a Isthmus na Tehuantepec. A lokacin bazara, tafkuna masu dumi suna girma kuma suna haɗuwa. Zafin su da danshi suna ciyar da ruwan sama na Mexico. A lokacin rani, zafi yana yaduwa a fadin Gulf of Mexico da yankunan Caribbean.

 Dangantaka da guguwar Atlantic 
Nazarin da aka yi kwanan nan ya nuna cewa ɓangaren Atlantic na WHWP (AWP) yana da alaƙa sosai da aikin guguwar Atlantic. Babban (ko karami) AWP yana rage (ko ƙaruwa) iska mai tsayi a cikin Babban yankin ci gaba don guguwar Atlantic kuma yana ƙarawa (ko ragewa) rashin kwanciyar hankali na troposphere, dukansu suna ni'ima (ko ba sa son) [bayyanawa da ake buƙata] karuwar guguwar wurare masu zafi zuwa manyan guguwa. 

 Dangantaka da El Niño 
Nazarin rikodin yanayi ya nuna alaƙar da ke tsakanin El Niño da Yammacin Yammacin Hemisphere Warm Pool (WHWP). A lokacin hunturu na yau da kullun na Arewacin Hemisphere, dumama na diabatic [yana buƙatar bayani] a kan Amazon yana fitar da sel na Hadley tare da iska mai saukowa a kan anticyclone arewacin 20 ° N a cikin subtropical Arewacin Atlantic da iskar kasuwanci ta arewa maso gabas tsakanin Afirka da Caribbean. Wani El Niño yana raunana tantanin halitta na Amazon, anticyclone da iskar kasuwanci ta gabas, wanda ke haifar da Arewacin Atlantic mai zafi fiye da yadda aka saba a cikin bazara. Kimanin rabin abubuwan da suka faru na El Niño sun ci gaba sosai a cikin watanni na bazara don tafkin mai dumi ya zama babba a lokacin rani. 

 Abubuwan da suka faru a yankin 

 800-900: Rushewar wayewar Maya ta gargajiya saboda fari. Yucatán Peninsula a cikin Mexico ta yanzu.

 Manazarta