'''Cyclone Yaku''' was an unusual [[low-pressure system]] in the far Southeastern Pacific that impacted Ecuador and northern Peru in early March 2023. It has been described by the [[National MeteorologicalService andof HydrologicalMeteorology Serviceand Hydrology of Peru]] (SENAMHI) as an "unorganized [[tropical cyclone]]" not seen since 1983 or 1998.<ref>{{Cite news |last= |first= |date=12 March 2023 |title=Ciclón Yaku: ¿Qué es, por qué se formó y hasta cuándo será su permanencia por la costa peruana? {{!}} PERU |url=https://elcomercio.pe/peru/lluvias-en-el-norte-que-significa-el-ciclon-yaku-y-como-puede-afectarnos-senamhi-fenomeno-el-nino-piura-tumbes-lambayeque-enfen-ciclon-yaku-noticia/ |access-date=12 March 2023 |website=El Comercio |language=es |archive-date=14 March 2023 |archive-url=https://web.archive.org/web/20230314021454/https://elcomercio.pe/peru/lluvias-en-el-norte-que-significa-el-ciclon-yaku-y-como-puede-afectarnos-senamhi-fenomeno-el-nino-piura-tumbes-lambayeque-enfen-ciclon-yaku-noticia/ |url-status=live |last1= Medrano Marin|first1= Hernán}}</ref> In Peru, the system killed at least eight,<ref>{{cite news |last1=Rochabrun |first1=Marcelo |title=Peru's Desert Coast Braces for More Deadly Rains From Cyclone |newspaper=Bloomberg |date=14 March 2023 |url=https://www.bloomberg.com/news/articles/2023-03-14/peru-s-desert-coast-braces-for-more-deadly-rains-from-cyclone?leadSource=uverify%20wall |publisher=Bloomberg News |access-date=20 March 2023}}</ref> affected 49,000 people and destroyed thousands of homes.<ref>{{cite web|url=https://gestion.pe/peru/emergencia-en-el-norte-del-peru-en-vivo-ciclon-yaku-huaicos-desbordes-e-inundaciones-por-lluvias-intensas-hoy-10-de-marzo-fenomeno-el-nino-piura-lambayeque-tumbes-cajamarca-viviendas-afectadas-fallecidos-desaparecidos-bloqueo-de-carreteras-estado-de-emergencia-deslizamientos-indeci-coen-arequipa-cusco-ayacucho-lima-yauyos-noticia/|title=Emergencia en el norte: huaicos, inundaciones y desbordes hoy 10 de marzo|website=Gestión|date=11 March 2023 |publication-date=10 March 2023|language=es|access-date=12 March 2023|archive-date=12 March 2023|archive-url=https://web.archive.org/web/20230312004620/https://gestion.pe/peru/emergencia-en-el-norte-del-peru-en-vivo-ciclon-yaku-huaicos-desbordes-e-inundaciones-por-lluvias-intensas-hoy-10-de-marzo-fenomeno-el-nino-piura-lambayeque-tumbes-cajamarca-viviendas-afectadas-fallecidos-desaparecidos-bloqueo-de-carreteras-estado-de-emergencia-deslizamientos-indeci-coen-arequipa-cusco-ayacucho-lima-yauyos-noticia/|url-status=live}}</ref><ref>{{cite web|url=https://www.sandiegouniontribune.com/en-espanol/noticias/story/2023-03-08/ecuador-crecidas-dejan-tres-muertos-y-miles-de-damnificados|title=Ecuador: crecidas dejan tres muertos y miles de damnificados|website=The San Diego Union-Tribune|date=8 March 2023 |publication-date=8 March 2023|language=es|access-date=2023-03-12|archive-date=2023-03-11|archive-url=https://web.archive.org/web/20230311075820/https://www.sandiegouniontribune.com/en-espanol/noticias/story/2023-03-08/ecuador-crecidas-dejan-tres-muertos-y-miles-de-damnificados|url-status=live}}</ref><ref name=":0">{{Cite news |last= |first= |date=12 March 2023 |title=Ciclón Yaku Nueve muertos por lluvias solo esta semana: mayores daños se reportan en Trujillo, Piura, Tumbes y Lambayeque {{!}} PERU |url=https://elcomercio.pe/peru/ciclon-yaku-nueve-muertos-por-lluvias-solo-esta-semana-mayores-danos-se-reportan-en-trujillo-piura-tumbes-y-lambayeque-noticia/ |access-date=12 March 2023 |website=El Comercio |language=es |archive-date=12 March 2023 |archive-url=https://web.archive.org/web/20230312134928/https://elcomercio.pe/peru/ciclon-yaku-nueve-muertos-por-lluvias-solo-esta-semana-mayores-danos-se-reportan-en-trujillo-piura-tumbes-y-lambayeque-noticia/ |url-status=live }}</ref><ref name=":2">{{Cite web |last= |first= |date=15 March 2023 |title=Ciclón Yaku EN VIVO: Senamhi advierte presencia de truenos en Chiclayo |url=https://larepublica.pe/sociedad/2023/03/13/ciclon-yaku-en-vivo-lluvias-en-peru-desborde-de-rios-fallecidos-huaicos-reportes-del-senamhi-y-ultima-hora-sobre-las-precipitaciones-en-lima-piura-tumbes-y-otras-regiones-del-norte-del-pais-indeci-667628 |access-date=2023-03-15 |website=[[La República (Peru)|La Republica]] |language=es |archive-date=2023-03-15 |archive-url=https://web.archive.org/web/20230315004205/https://larepublica.pe/sociedad/2023/03/13/ciclon-yaku-en-vivo-lluvias-en-peru-desborde-de-rios-fallecidos-huaicos-reportes-del-senamhi-y-ultima-hora-sobre-las-precipitaciones-en-lima-piura-tumbes-y-otras-regiones-del-norte-del-pais-indeci-667628 |url-status=live }}</ref>
