Guguwar Felleng

Guguwar Tropical Felleng guguwa ce mai karfi wanda ya haifar da lalacewa a fadin Seychelles, Madagascar, da Réunion. Rashin jituwa na Tropical na bakwai, guguwa ta shida mai suna, da kuma guguwa mai tsanani na Tropical Cyclone na 2012-13 na Kudu maso Yammacin Tekun Indiya, Felleng ya samo asali ne daga wani yanki na yanayin yanayi wanda aka saka a cikin Yankin Intertropical Convergence.

Gabaɗaya, Felleng ya haifar da mutuwar mutane 18 kuma sama da dala miliyan 10 a cikin lalacewa.

 Tarihin yanayi 
Bayan da Madden-Julian oscillation ya bar lokacin da yake da shi a Kudu maso Yammacin Tekun Indiya, Météo-France La Réunion (MFR) ta lura da wani yanki mai matsin lamba da aka saka a cikin Yankin Intertropical a ranar 24 ga Janairu. Convection yafi aiki a yankin arewa maso gabashin tsarin, tare da iskõki da suka kai  km / h (30  a wasu wurare. Tsarin tsarin da ba a bayyana shi sosai ba a ranar 25 ga watan Janairu,  tare da tsarin gaba ɗaya yana da mummunar tasiri ta hanyar shear iska. A karfe 18:00 Coordinated Universal Time (UTC), MFR ta inganta tsarin zuwa Tropical Disturbance 7,  tare da Cibiyar Gargadi ta Hadari (JTWC) ta inganta shi zuwa mummunan yanayi a lokaci guda, ta ba shi sunan 13S. Wani karamin tsakiya mai zurfi ya samo asali  yayin da iskõki masu ƙarfi suka bayyana a cikin rabin yammacin tsarin,  kuma a ranar 26 ga Janairu a 06:00 UTC, MFR ta inganta Tropical Disturbance 7 zuwa mummunan yanayi na wurare masu zafi.  Rashin ƙarfi na iska ya ba da damar convection don ci gaba da tsarawa;  duk da haka, ya lalace daga baya a rana, a wani ɓangare yana fallasa tsarin rarrabawar. Da karfe 12:00 UTC, JTWC ta inganta 7 zuwa guguwa mai zafi. Tsarin tsarin ya inganta daga tsarin da ya gabata,  kuma a ranar 28 ga Janairu, MFR ta inganta tsarin zuwa guguwa mai zafi, ta ba shi sunan Felleng. 

Felleng ya inganta a cikin 'yan sa'o'i masu zuwa, yana karfafa yaduwar sa ta ƙasa  yayin da filin iska ya zama mafi daidaituwa.  Da yake kara karfi, ya kai ƙarfin guguwa mai zafi a ranar 30 ga watan Janairu yayin da yake bunkasa ido mai kyau, tare da zurfi, mai zurfi na banding convective da ke cikin ido. A ranar 31 ga watan Janairu ido ya zama wanda ba a bayyana shi sosai ba, kuma ya fara faduwa. A ranar 1 ga Fabrairu tsarin ya fara zama mai tsawo, kuma ya raunana cikin guguwa mai tsanani yayin da ya fara canjin extratropical. A ranar 3 ga Fabrairu, Felleng ya zama cikakkiyar extratropical, tare da cibiyar watsawa ta ƙasa ta zama cikakke kuma ta yi tsawo, a ƙarƙashin shear iska mai tsaye, wanda ke yammacin convection.

 Tasirin 

 Seychelles 
Cyclone Felleng devastated the islands of Mahe, Praslin, and La Digue as a depression, many types of buildings were damaged and many farms were wiped out. Around 1,000 families were affected by floods and landslides, 246 of them were registered as displaced after their homes were damaged or destroyed. Damages from Felleng reached US$8.4 million in the country.

 Madagascar 
Guguwar Felleng ta kawo ruwan sama mai yawa a Madagascar, saboda abin da ambaliyar ruwa ta tashi da sauri a babban birnin Antananarivo, ta mamaye gidaje da yawa masu ƙasƙanci, da kuma daruruwan hekta na gonakin shinkafa. Hukumomin gwamnati sun tabbatar da cewa ambaliyar ruwa ta shafi akalla mutane 800 a babban birnin. A duk faɗin tsibirin, an kashe mutane 9 kuma 1,303 sun rasa gida. Jimlar gidaje 162 sun lalace yayin da ambaliyar ruwa ta lalata wasu 1,803, mafi yawansu suna cikin Vatovavy-Fitovinany

 Taron 
Ruwan sama mai karfi na guguwar Felleng da iska mai karfi sun haifar da lalacewa a tsibirin Réunion, inda gidaje 11,200 suka bar ba tare da wutar lantarki ba.  sa'o'i 72, har zuwa   in) na ruwan sama ya fadi a wasu sassan tsibirin, wanda ya haifar da ambaliyar ruwa. A Plaine des Cafres,   in) ya fadi cikin sa'o'i 24.

 Dubi kuma 

 Guguwar Dumazile
 Guguwar Tropical Eliakim
 Guguwa mai zafi a cikin 2013

 Manazarta