Results 31 to 40 of about 45,669 (176)

The extratropical transition of tropical cyclone Lili (1996) and its crucial contribution to a moderate extratropical development [PDF]

open access: yes, 2005
The transition that a tropical cyclone experiences as it moves into the extratropical environment (known as extratropical transition) can result in the decay or intensification of a baroclinic cyclone.
Gray, S. L.   +7 more
core  

Stratospheric influence on the winter North Atlantic storm track in subseasonal reforecasts [PDF]

open access: yesWeather and Climate Dynamics
Extreme stratospheric polar vortex events, such as sudden stratospheric warmings (SSWs) or extremely strong polar vortex events, can have a significant impact on surface weather in winter.
H. Afargan-Gerstman   +5 more
doaj   +1 more source

Assessment of the Exposure of Australia to Tropical Cyclones Through a Climatological Model for Cyclone Weather Extent

open access: yesInternational Journal of Climatology, EarlyView.
Australia has different levels of exposure to tropical cyclones. Using historical records, this study investigates the spatial variability of tropical cyclone formation across the Southeast Indian–South Pacific basin, quantifies the exposure of different parts of Australia to tropical cyclone weather events, and examines decadal variability in cyclone ...
Adolfo Lugo Ríos   +2 more
wiley   +1 more source

Comparison of extratropical cyclone characteristics from atmospheric global climate model simulations at different resolutions [PDF]

open access: yes, 2013
Extratropical cyclones play a key role in weather and climate at mid and high latitudes. They are simulated with Atmospheric Global Climate Models (AGCMs) for weather forecasting and future climate projections.
Pilch Kedzierski, Robin
core  

Can climate models represent the precipitation associated with extratropical cyclones?

open access: yes, 2016
Extratropical cyclones produce the majority of precipitation in many regions of the extratropics. This study evaluates the ability of a climate model, HiGEM, to reproduce the precipitation associated with extratropical cyclones.
Hawcroft, Matthew K.   +3 more
core   +1 more source

A wavelet‐based method for the assessment of hydrodynamic model behavior against observed sea level variability

open access: yesLimnology and Oceanography: Methods, EarlyView.
Abstract Sea level outputs from hydrodynamic models are often assessed against tide gauge data by comparing the standard deviations of modeled and observed time series, and by calculating the Pearson correlation coefficient and centered root mean square error (cRMSE) between the two.
Andrew Twelves   +4 more
wiley   +1 more source

Objective Algorithm for Detection and Tracking of Extratropical Cyclones in the Southern Hemisphere

open access: yesAtmosphere
In this study, we propose an easy and robust algorithm to identify and track extratropical cyclone events using 850 hPa relative vorticity data, gaussian filter and connected-component labeling technique, which recognize the cyclone as areas under a ...
Carina K. Padilha Reinke   +5 more
doaj   +1 more source

Precipitation, moisture sources and transport pathways associated with summertime North Atlantic deep cyclones [PDF]

open access: yesWeather and Climate Dynamics
Extratropical cyclones are essential for redistributing moisture from lower latitudes to the poles, and are known for their ability to produce extreme precipitation.
R. Stoffels   +6 more
doaj   +1 more source

A Influência dos ciclones extratropicais nas mesorregiões serrana e do leste catarinense [PDF]

open access: yes, 2011
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Filosofia e Ciências Humanas, Programa de Pós-Graduação em Geografia, Florianópolis, 2011O setor leste catarinense é caracterizado pela presença de terrenos elevados ...
Cardoso, Camila de Souza
core  

Multiscale numerical sensitivity simulations of a mesoscale gravity‐wave event

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
High‐resolution WRF simulations of the February 14–15, 1992 STORM‐FEST event show that mesoscale gravity‐wave genesis occurs via geostrophic adjustment within an upper‐level unbalanced jet, while wave ducting governs maintenance. High‐resolution (1 km), improved physical parameterization, and targeted sensitivity simulations demonstrate that upstream ...
Rajan Bhandari   +2 more
wiley   +1 more source

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