Results 61 to 70 of about 17,970 (234)

The Uncharacteristic Occurrence of the June 2013 Biomass-Burning Haze Event in Southeast Asia: Effects of the Madden-Julian Oscillation and Tropical Cyclone Activity

Atmosphere, 2020
One of the worst haze events to ever hit Peninsular Malaysia occurred in June 2013 due to smoke from Riau, Central Sumatra. While biomass-burning in the region is common, the early occurrence of a haze episode of this magnitude was uncharacteristic of ...
Yaasiin Oozeer, Andy Chan, Jun Wang, Jeffrey S. Reid, Santo V. Salinas, Maggie C. G. Ooi, Kenobi I. Morris   +6 more
doaj   +1 more source

The Lack of Evidence on the Madden‐Julian Oscillation to Drive Its Relationship With the Quasi‐Biennial Oscillation Through Modulation of Stratospheric Wave Activity

Geophysical Research Letters, 2023
Previous studies have found that Madden‐Julian Oscillation (MJO) amplitude depends on the Quasi‐Biennial Oscillation (QBO) during boreal winter. This MJO‐QBO relationship is important to realizing subseasonal‐to‐seasonal prediction skills, but the ...
Sadiksha Rai, Naoko Sakaeda
doaj   +1 more source

The MJO‐Kelvin wave transition

Geophysical Research Letters, 2012
As the Madden‐Julian oscillation (MJO) moves eastward from the Indian to the Pacific ocean, it typically accelerates, becomes less strongly coupled to convection, and becomes more similar to a dry Kelvin wave. This transition is analyzed using observations of outgoing longwave radiation and ERA Interim reanalyses of surface pressure and 850 hPa zonal ...
A. H. Sobel, D. Kim
openaire   +1 more source

Spatial and temporal variability of wet spells and their role in wet and dry summers and winters in Australia

Quarterly Journal of the Royal Meteorological Society, EarlyView.
The change in the frequency of wet spells in tropical Australia in summer primarily contributes to the change in precipitation between wet and dry years. In the extratropics, both the frequency and intensity of wet spells are important, especially in winter.
Sunil Pariyar, Christian Jakob, Michael Barnes, Martin Singh, Michael Reeder   +4 more
wiley   +1 more source

Vertical structure and physical processes of the Madden-Julian oscillation: exploring key model physics in climate simulations [PDF]

, 2015
Aimed at reducing deficiencies in representing the Madden-Julian oscillation (MJO) in general circulation models (GCMs), a global model evaluation project on vertical structure and physical processes of the MJO was coordinated.
Andersen, Annamalai, Bao, Bechtold, Benedict, Benedict, Benedict, Benedict, Berg, Bessafi, Bollasina, Bony, Boyle, Bretherton, Brown, Cai, Cassou, Chen, Chikira, Crueger, Côté, Dee, Del Genio, DeMott, DeMott, Deng, Deng, Ding, Emanuel, Fu, Gill, Gottschalck, Guan, Guo, Guo, Hagos, Han, Hannah, Harshvardhan, Hazeleger, Hendon, Hogan, Holloway, Holloway, Houze, Hsu, Huffman, Hung, Hurrell, Inness, Inness, Jiang, Jiang, Jiang, Johnson, Johnson, Katsumata, Kemball-Cook, Kemball-Cook, Kessler, Khairoutdinov, Khouider, Khouider, Kikuchi, Kiladis, Kiladis, Kim, Kim, Kim, Kim, Kim, Klingaman, Klingaman, Klingaman, Klotzbach, Kuang, L'Heureux, Lappen, Lappen, Lau, Lau, Lau, Lee, Li, Liebmann, Lin, Lin, Lin, Lin, Lin, Ling, Liou, Lorenz, Ma, Ma, Madden, Madden, Majda, Majda, Maloney, Maloney, Maloney, Maloney, Maloney, Maloney, Mapes, Matthews, McPhaden, Merryfield, Miyakawa, Moncrieff, Morcrette, Morita, Nakazawa, Neelin, Neelin, Neena, Oh, Oh, Peters, Phillips, Pritchard, Randall, Rashid, Rauniyar, Raymond, Raymond, Raymond, Reynolds, Ruppert, Saha, Saha, Sahany, Salby, Schmidt, Schumacher, Seo, Seo, Seo, Serra, Slingo, Sobel, Sobel, Sobel, Sobel, Sobel, Song, Song, Sperber, Sperber, Sperber, Stachnik, Stan, Stephens, Stevens, Sugiyama, Sultan, Takayabu, Takayabu, Thayer-Calder, Tian, Tokioka, Tromeur, Tseng, Tung, Vecchi, Virts, Vitart, Voldoire, Waliser, Waliser, Waliser, Waliser, Waliser, Walters, Wang, Wang, Wang, Watanabe, Wheeler, Wheeler, Wu, Wu, Xavier, Xie, Yanai, Yasunari, Yasunari, Yukimoto, Zhang, Zhang, Zhang, Zhang, Zhang, Zhang, Zhang, Zhou, Zhu, Zhu   +198 more
core   +2 more sources

A theory of the MJO horizontal scale [PDF]

Geophysical Research Letters, 2014
AbstractHere we ask, what controls the horizontal scale of the Madden‐Julian Oscillation, i.e., what controls its zonal wave number k? We present a new one‐dimensional (1D) β‐plane model that successfully simulates the MJO with the same governing mechanism as the 2D shallow water model of Yang and Ingersoll (2013).
Yang, Da, Ingersoll, Andrew P.
openaire   +2 more sources

The relationship between seasonal mean temperature and most extreme day

Quarterly Journal of the Royal Meteorological Society, EarlyView.
In Northern Hemisphere winter, there is a strong correlation between seasonal mean temperature and coldest daily mean temperature which varies in magnitude from one region to another (with a weaker relationship in summer between mean and hottest day).
Anna Maidens, Hazel E. Thornton, Philip Bett‐Williams, Doug Smith   +3 more
wiley   +1 more source

The characteristics of squall lines in the Southeast Asia region

Quarterly Journal of the Royal Meteorological Society, EarlyView.
Squall lines over the Maritime Continent were analysed using 20 years of IMERG GPM data and classified into four regional clusters. Significant regional differences were found in their size, intensity, lifespan, and propagation. Nighttime squall lines are primarily driven by the convergence of opposing offshore flows and the convergence of monsoonal ...
Jeong‐Yik Diong, Prince Xavier, Muhammad Firdaus Ammar Abdullah, Juliane Schwendike   +3 more
wiley   +1 more source

Impacts of the Madden-Julian oscillation on Australian rainfall and circulation [PDF]

, 2009
Impacts of the Madden¿Julian oscillation (MJO) on Australian rainfall and circulation are examined during all four seasons. The authors examine circulation anomalies and a number of different rainfall metrics, each composited contemporaneously for eight ...
Cleland, S., Donald, A., Hendon, H.H., Meinke, H.B., Wheeler, M.C.   +4 more
core   +3 more sources

An opportunity index to anticipate when subseasonal predictions are useful

Quarterly Journal of the Royal Meteorological Society, EarlyView.
Simultaneously active subseasonal windows of forecast opportunity can be combined into a single opportunity index, which can be used operationally to anticipate enhanced or reduced subseasonal prediction skill. For predictions of temperature anomalies in Switzerland during summer—a region and season with particularly low predictability—skill can nearly
Dominik Büeler, Maria Pyrina, Adel Imamovic, Christoph Spirig, Daniela I. V. Domeisen   +4 more
wiley   +1 more source