Guguwar Guguwa ta Katie

Subtropical Cyclone Katie, wanda masu bincike ba su da suna, wani yanayi ne mai ban mamaki a farkon 2015. Bayan lokacin guguwar Kudancin Pacific na 2014-15 ya ƙare a hukumance, an gano wani guguwa mai ban sha'awa a waje da kwandon kusa da Tsibirin Easter, a farkon watan Mayu, kuma masu bincike sun kira shi Katie ba bisa ka'ida ba. Katie na ɗaya daga cikin ƙananan tsarin wurare masu zafi ko na subtropical da aka taɓa lura da su a cikin kudu maso gabashin Pacific, a waje da iyakar tafkin hukuma na 120 ° W, wanda ke nuna gefen gabas na wuraren gargadi na RSMC Nadi da RSMC Wellington, a lokacin zamanin tauraron dan adam. Saboda gaskiyar cewa wannan guguwar ta samo asali ne a waje da wuraren hukuma na alhakin hukumomin gargadi a Kudancin Pacific, ba a haɗa guguwar a hukumance a matsayin wani ɓangare na lokacin guguwar Kudancin Pacifique na 2014-15. Koyaya, Hukumar Kula da Yanayi ta Sojan Ruwa ta Chile ta ba da gargadi na Babban Tekun akan tsarin a matsayin ƙarancin extratropical.

 Tarihin yanayi 
A ranar 29 Afrilu 2015, kusa da ƙarshen lokacin guguwar Kudancin Pacific ta 2014–15, wani tashin hankali ya ɓullo a kudu maso gabashin Pacific mai nisa, kafin rikidewa zuwa cikin ɓacin rai ba da jimawa ba.[1] Guguwar ta rikide zuwa wani yanayi mai tsananin zafi a 102.9°W, da kyau zuwa gabas na iyakar Gabas ta Kudancin Basin Pacific na 120°W.[1][2] A wannan lokacin, Sabis ɗin Yanayi na Sojojin Ruwa na Chile ya fara haɗa da guguwar a cikin Gargaɗi na Babban Teku, yana ci gaba da hakan har zuwa 4 ga Mayu.[3] A cikin kwanaki biyu masu zuwa, tsarin ya koma kudu maso yamma, kafin ya juya zuwa kudu maso gabas. A ranar 1 Mayu, guguwar ta yi tsanani zuwa wani guguwar yanayi mai tsananin zafi, kuma ta zagaya zuwa yamma.[1] A wannan lokacin, tsarin ya ci karo da yanayin zafin saman teku kamar 1 °C (1.8 °F) sama da matsakaicin matsakaici da ƙarancin iska, saboda wani yanayi mai ƙarfi na El Niño, wanda ke ba da damar guguwar ta ƙara shiryawa.[4] A ranar 2 Mayu, guguwar ta kai ƙarfinta mafi girma, tare da matsakaicin iskar mil 45 cikin sa'a (72 km/h; 45 mph; 39 kn)da mafi ƙarancin matsa lamba na hectopascals 993 (29.3 inHg).[1] A cikin wannan lokacin, masu bincike sun gano guguwar kuma ba tare da izini ba Katie. A cikin rana ta gaba, Katie sannu a hankali ta bi zuwa yamma yayin da a hankali ta raunana. A ranar 4 Mayu, Katie ta yi rauni zuwa cikin yanayin zafi mai zafi kuma ta fara hanzari zuwa arewa maso yamma, ta wuce zuwa gabashin tsibirin Ista, kafin ta ƙara yin rauni zuwa ƙarancin ƙasa.[3] Tare da wannan lalacewa, Sabis ɗin Yanayi na Navy na Chilean ya daina ba da gargaɗi game da guguwar.[1] A ranar 6 Mayu, ragowar Katie sun ɓace.[1] A lokacin rayuwar Katie gaba ɗaya, guguwar ta kasance gabas da 120°W, a wajen iyakar hukuma ta Kudancin Pacific.

 Rubuce-rubuce 
Subtropical Cyclone Katie ba bisa ka'ida ba ne na uku mafi gabashin zafi ko subtropical cyclone da aka taɓa lura da shi don samarwa a Kudancin , yana canzawa cikin tsarin subtropical kusa da 102.9 ° W. Wannan ya karya rikodin da ya gabata na kusan 110 ° W, wanda aka kafa ta hanyar mummunan yanayi a watan Mayu na shekara ta 1983. "Katie" ita ce tsarin farko na wurare masu zafi ko na subtropical don samar da gabashin iyakar gabashin yankin Kudancin Pacific na 120 ° W  tun lokacin da wani mummunan yanayi na wurare masu wurare masu zafi a watan Mayu 1983.  Koyaya, a watan Mayu na shekara ta 2018, rikodin Katie ya karya ta hanyar Subtropical Cyclone Lexi, wanda ya kafa kawai 'yan mil ɗari daga bakin tekun Chile, kusa da 80 ° W.  Cyclogenesis na wurare masu zafi yana da matukar wuya a kudu maso gabashin Tekun Pacific saboda yanayin sanyi na teku wanda Humboldt Current ya haifar, rashin rikice-rikice na wurare masu wurare masu zafi, da kuma saboda iska mara kyau. Saboda haka, Cyclone Yaku a watan Maris na shekara ta 2023 shine kawai abin da aka rubuta na guguwa mai zafi da ke tasiri a yammacin Kudancin Amurka. Tsarin guguwa na wurare masu zafi a wannan matsanancin ɓangaren kudu maso gabashin Pacific yana da wuya sosai cewa har yanzu ba a sanya hukumomin gargadi a yankin gabashin 120 ° W ba. Katie ta samo asali ne a lokacin wani abu mai karfi na El Niño; ruwan da ba daidai ba 1 ° C (1.8 ° F) sama da matsakaici da ƙananan iska a fadin yankin na iya ba da gudummawa ga tsarin da ba a saba gani ba. Kodayake halaye da Katie ta lura sun dace da na guguwa mai zafi, cikakken bincike ya nuna cewa guguwar na iya zama ɗan gajeren lokaci a cikin guguwa ta wurare masu zafi, a kusa da lokacin da ta fi ƙarfinta.

 Bayani 
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 Dubi kuma 


 Sauran guguwa na wannan sunan
 Guguwar Guguwa ta Ƙananan wurare
 Guguwar Humberto
 Guguwar Tsakiyar Pacific ta 2006
 Guguwar Subtropical 60W
 Guguwar Subtropical 96C
 Guguwar Catarina
 Guguwar Tropical Rolf
 Guguwar Qendresa
 Guguwar Numa
 Guguwar Ianos
 1996 Guguwar Tafkin Huron
 Guguwa mai kama da na Bahar Rum
 Guguwar Kudancin Atlantic
 1982-83 Lokacin guguwa ta Kudancin Pacific - Ganin wani mummunan yanayi na wurare masu zafi da ke tasowa a gabashin 120 ° W
 Lokacin guguwa ta Kuducin Pacific na 2017-18
 Cyclogenesis na wurare masu zafi
 El Niño-Kudancin Oscillation

 Bayanan da aka ambata 

 Haɗin waje 

 Bayanan da ba na hukuma ba daga Ostiraliya Yanayi Mai tsanani
 Tsarin aiki na Yankin Yankin Yammacin Yammacin Indiya da Yankin Yunin Yammacin Gabas na Indiya: 2014 Edition