Results 51 to 60 of about 6,646 (263)

The roles of ENSO on the occurrence of abruptly recurving tropical cyclones over the Western North Pacific Ocean Basin [PDF]

open access: yesAdvances in Geosciences, 2006
The abruptly recurving tropical cyclones over the Western North Pacific Ocean Basin during El Niño and La Niña events are studied. Temporal and spatial variations of these anomalous tracks under different phases of ENSO are shown. The anomalies
N. K. W. Cheung
doaj  

How interference between the North Atlantic Oscillation and the tropical Indo‐Pacific convection modulates wave trains along the subtropical jet: Impacts on the Asian winter climate

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
This study reveals that the combined effects of the North Atlantic Oscillation (NAO) and anomalous Indo‐Pacific Walker circulation on the excitation of the wave train along the wintertime subtropical jet strongly depend on their phase combination. Their impacts interfere constructively or destructively over South Asia, leading to notable differences in
Yuki Asazuma   +2 more
wiley   +1 more source

Scaling turbulence drives the general circulation

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
The NOAA Gulfstream SP4, which deployed the GPS dropsondes over the NE Pacific Ocean as part of the Winter Storms Project during the January–March periods of 2004, 2005 and 2006. Abstract Statistical multifractal analysis of airborne and dropsonde observations is used to show that persistence of velocity after molecular collisions breaks the continuous
Adrian F. Tuck
wiley   +1 more source

Impact of Occurrence of Tropical Cyclones on Rice Output in Southern China: A Study Based on Survey Data of Rice Farmers in Guangdong

open access: yesGuangdong nongye kexue
【Objective】The study aims to quantify the impact of tropical cyclone disasters on rice output losses during the harvest period. It seeks to understand the impacts of tropical cyclone disasters on farmers' livelihoods and food security. The findings would
Fengbo CHEN, Lijing ZHANG
doaj   +1 more source

Spatial observation‐error correlations for AMSU‐A in all‐sky assimilation: An ECMWF and UK Met Office intercomparison

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
Assimilation of AMSU‐A all‐sky observations can be increased up to fivefold if spatial observation‐error correlations are accounted for properly. New correlation estimates derived using data from ECMWF and the UK Met Office reveal that correlation length‐scales are between 75 and 150 km for AMSU‐A channels peaking in the troposphere. This is attributed
Rishabh Bhatt   +9 more
wiley   +1 more source

Impact of tropical cyclones and socioeconomic exposure on flood risk distribution in the Mekong Basin

open access: yesCommunications Earth & Environment
Tropical cyclones have a big impact on flood risk, and understanding how their activity interacts with population exposure under climate change is critical.
Aifang Chen   +9 more
doaj   +1 more source

Cyclone Classification over the South Atlantic Ocean in Centenary Reanalysis

open access: yesAtmosphere
Since the beginning of the satellite era, only three tropical cyclones have been recorded over the South Atlantic Ocean. To investigate the potential occurrence of such systems since the 1900s, ERA20C, a centennial reanalysis, was utilised.
Eduardo Traversi de Cai Conrado   +3 more
doaj   +1 more source

Recurving tropical cyclones in the western North Pacific are stronger than non‐recurving ones: Causes and implications

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
This study investigates the statistical characteristics of recurving tropical cyclones (TCs) over the western North Pacific (WNP). We find that recurving TCs are, on average, 38% stronger than non‐recurving TCs, owing to longer ocean exposure, fewer landfalls, and passage through warmer, more favorable thermal environments.
Md Afjal Hossain   +3 more
wiley   +1 more source

Re‐Intensification of Seafalling Tropical Cyclones

open access: yesAtmospheric Science Letters
The study of tropical cyclones re‐entering the ocean or making ‘seafall’ has been limited. Here, idealised simulations are used to study the re‐intensification of seafalling tropical cyclones.
Enoch Yan Lok Tsui, Ralf Toumi
doaj   +1 more source

Characteristics and Spatiotemporal Variations in Tropical Cyclone Rainfall and Rainfall Erosivity in China from 1981 to 2020

open access: yesRedai dili
Tropical cyclones frequently affect China. However, tropical cyclone rainfall studies in China have mostly focused on the characteristics of and variations in annual rainfall; research on the tropical cyclone rainfall event characteristics and trends ...
Zhou Sihan, Wang Wenting, Wen Meili
doaj   +1 more source

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