Browsing by Author "Aliaga Nestares, Vannia"
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The 2017 coastal El Niño
Takahashi, Ken; Aliaga Nestares, Vannia; Avalos, Grinia; Bouchon, M.; Castro, Anabel; Cruzado, L.; Dewitte, Boris; Gutiérrez, B.; Lavado-Casimiro, W.; Marengo, José A.; Mosquera-Vásquez, K.; Quispe, Nelson
(American Meteorological Society, 2018-08)Acceso abiertoThe original concept of El Niño consisted of anomalously high sea surface temperature and heavy rainfall along the arid northern coast of Peru (Carranza 1891; Carrillo 1893). The concept evolved into the El Niño–Southern ... -
Actualización del estudio de frecuencia de nevadas en el Perú
Aliaga Nestares, Vannia; Goicochea Diaz, Noelia; Ita Vargas, Tania; Quispe, Nelson
(Servicio Nacional de Meteorología e Hidrología del Perú, 2021-01)Acceso abiertoEl presente trabajo tiene como objetivo principal determinar la distribución espacial y la frecuencia mensual de nevadas en el Perú. Asimismo, establece las circulaciones atmosféricas que favorecen a la ocurrencia de eventos ... -
Análisis del Vórtice Ciclónico de Niveles Bajos (VCNB) en la costa central peruana. Informe Técnico
Aliaga Nestares, Vannia; Rivas Quispe, Piero; Quispe, Nelson
(Servicio Nacional de Meteorología e Hidrología del Perú, 2021-01)Acceso abiertoEn el presente informe se identifica y clasifica los eventos de Vórtice Ciclónico de Niveles Bajos (VCNB) y luego se realiza el análisis estadístico básico de los mismos. Para su identificación se utilizaron imágenes cada ... -
Behavior of the ITCZ second band near the Peruvian coast during the 2017 coastal El Niño
Aliaga Nestares, Vannia; Rodríguez Zimmermann, Diego; Quispe, Nelson
(Universidad Nacional Autónoma de México, 2023)Acceso abiertoThe behavior of the second band of the Intertropical Convergence Zone (ITCZ) near the Peruvian coast during early 2017 is studied, using precipitation, surface winds, sea surface temperature (SST) and atmospheric variables ... -
Comparison between the Operational and Statistical Daily Maximum and Minimum Temperature Forecasts in The Central Coast of Peru
Aliaga Nestares, Vannia; De la Cruz, Gustavo; Takahashi, Ken
(American Meteorological Society, 2023-02)Acceso abiertoMultiple linear regression models were developed for 1-3-day lead forecasts of maximum and minimum temperature for two locations in the city of Lima, in the central coast of Peru (12°S), and contrasted with the operational ... -
Cutoff low over the southeastern Pacific Ocean: a case study
Quispe, Nelson; Aliaga Nestares, Vannia; Rodríguez Zimmermann, Diego; Bonshoms, Marti; Loayza, Raquel; García, Teresa; Mesia, José; Duran, Ricardo; Olivares, Sara
(CSIRO, 2021-02-17)Acceso abiertoCutoff lows (COLs) are infrequent events in the tropics that can cause extreme rainfall, flash flooding and landslides in arid areas, such as western South America. In this study, the life cycle of a COL in the southeastern ... -
Estudio de condiciones atmosféricas favorables a los incendios forestales en el Perú
Aliaga Nestares, Vannia; Quispe, Nelson; Ramos, Isabel; Rodríguez Zimmermann, Diego
(Servicio Nacional de Meteorología e Hidrología del Perú, 2018-03)El objetivo de este estudio se centró en evaluar las condiciones meteorológicas y circulación atmosférica favorable a la ocurrencia y/o propagación de un IF, usando datos in situ de las estaciones meteorológicas cercanas ... -
Heavy Snowfalls in the peruvian Andes: the wettest winter of the last 19 years
Ramos, Isabel; Aliaga Nestares, Vannia; Castro, Anabel
(American Meteorological Society, 2019-09)Acceso abiertoMost meteorological stations in the central and southern Peruvian Andes also received heavy rainfall in June and July. On 2 June, Ananea, which is located in Puno at 4660 m a.s.l., recorded 32.5 mm (monthly climatology ... -
Identificación de eventos de friajes en la Amazonía Peruana. Nota Técnica
Goicochea Díaz, Noelia; Quispe Gutiérrez, Nelson; Ita Vargas, Tania; Rodríguez Zimmermann, Diego; Mesía Goto, José; Aliaga Nestares, Vannia; Quispe Vega, Kelita; Lanchipa Cisneros, Paulo; Puza Rivas, Mitza; Dávila Vilca, Cristian; Villena Acho, Donna
(Servicio Nacional de Meteorología e Hidrología del Perú, 2024-03)Acceso abiertoLa presente Nota Técnica tiene por objetivo definir los criterios para la identificación de eventos de friaje en la Amazonía peruana para fines de contabilización y emisión de avisos meteorológicos y notas de prensa sobre ... -
Participatory rainfall monitoring: strengthening hydrometeorological risk management and community resilience in Peru
Arestegui, Miguel; Ordoñez, Miluska; Cisneros, Abel; Madueño, Giorgio; Almeida, Cinthia; Aliaga Nestares, Vannia; Quispe, Nelson; Millán Arancibia, Carlos; Lavado-Casimiro. W.; Huaman, Samuel; Phillips, Jeremy
(European Geosciences Union, 2022)Acceso abiertoHeavy rainfall, floods and debris flow on the Rimac river watershed are recurring events that impact Peruvian people in vulnerable situations.There are few historical records, in terms of hydrometeorological variables, ... -
Reliability of cross-regional applications of global fire danger models: a Peruvian case study
Podschwit, Harry; Jolly, William; Alvarado, Ernesto; Verma, Satyam; Ponce, Blanca; Markos, Andrea; Aliaga Nestares, Vannia; Rodríguez Zimmermann, Diego
(Springer, 2022-12)Acceso abiertoBackground: Fire danger indexes (FDIs) are used as proxies for fire potential and are often developed for specific locations. For practical purposes, the extrapolation of the underlying calculations into novel locations ... -
Using open source & low cost rain gauges to support debris flow real-time monitoring in Lima, Peru
Arestegui, Miguel; Ordoñez, Miluska; Cisneros, Abel; Madueño, Giorgio; Almeida, Cinthia; Aliaga Nestares, Vannia; Quispe, Nelson; Millán Arancibia, Carlos; Lavado-Casimiro, W.; Huaman, Samuel; Phillips, Jeremy
(European Geosciences Union, 2021-01)Acceso abiertoDebris flow, locally known as huaycos, impact the east part of the metropolitan city of Lima, capital of Peru. However, after many extreme events such as the one related to the 2017 “Coastal Niño” or the one in 1987, there ...