The influences of El Niño–Southern Oscillation (ENSO) on the summer- and wintertime precipitation and circulation over the principal monsoon regions of Asia and Australia have been studied using a...
Xianan Jiang, Ngar-cheung Lau, Stephen A. Klein
Reanalysis rainfall data set for the 1979–2003 period, it is illustrated that the eastward propagation of convection systems from the Rockies to the Great Plains plays an essential role for the...
Michael A. Alexander, Ileana Bladé, Matthew Newman, John R. Lanzante, Ngar-cheung Lau, James D. Scott
During El Niño–Southern Oscillation (ENSO) events, the atmospheric response to sea surface temperature (SST) anomalies in the equatorial Pacific influences ocean conditions over the remainder of...
12 Interactions between the Asian monsoon and the (2009)
The other chapters in this book have devoted considerable attention to the signi®cant role of the sea surface temperature (SST) conditions over the Paci®c and Indian Oceans in climatological...
2003: Atmosphere–ocean variations in the Indo-Pacific sector during ENSO episodes (2009)
The influences of El Niño–Southern Oscillation (ENSO) events on air–sea interaction in the Indian–western Pacific (IWP) Oceans have been investigated using a general circulation model....
Based on a recently released, high-resolution reanalysis dataset for the North American region, the intraseasonal variability (ISV; with a time scale of about 20 days) of the North American monsoon...
Ngar-cheung Lau, Ants Leetmaa, Jo Nath
The modulation of El Niño and La Niña responses by the long-term sea surface temperature (SST) warming trend in the Indian–Western Pacific (IWP) Oceans has been investigated using a large suite...
A 20-yr simulation using a global atmospheric general circulation model with a resolution of 0.5 ° latitude � 0.625 ° longitude is compared with observational findings. The primary goal of this...
Analysis of observations from 1979 to 2002 shows that the seasonal transition from winter to spring in East Asia is marked with a distinctive event—the onset of the south China spring rain (SCSR)....
Myong-in Lee, Siegfried D. Schubert, Max J. Suarez, Isaac M. Held, Arun Kumar, Thomas L. Bell, ...
This study examines the sensitivity of the North American warm season diurnal cycle of precipitation to changes in horizontal resolution in three atmospheric general circulation models, with a...
The impacts of ENSO on the evolution of the East Asian monsoon have been studied using output from a general circulation model experiment. Observed monthly variations of the sea surface temperature...
Ngar-cheung Lau, Ants Leetmaa, Jo Nath
The individual impacts of sea surface temperature (SST) anomalies in the deep tropical eastern–central Pacific (DTEP) and Indo-western–central Pacific (IWP) on the evolution of the observed...
Ngar-cheung Lau, Ants Leetmaa, Jo Nath, Hai-lan Wang
The causes for the observed occurrence of anomalous zonally symmetric upper-level pressure ridges in the midlatitude belts of both hemispheres during the year after warm El Niño–Southern...
The impact of the El Niño–Southern Oscillation (ENSO) on the atmospheric intraseasonal variability in the North Pacific is assessed, with emphasis on how ENSO modulates midlatitude circulation...
Andrew T. Wittenberg, Anthony Rosati, Ngar-cheung Lau, J. Ploshay
Multicentury integrations from two global coupled ocean–atmosphere–land–ice models [Climate Model versions 2.0 (CM2.0) and 2.1 (CM2.1), developed at the Geophysical Fluid Dynamics Laboratory]...
The nature of a recurrent pattern of variability in the tropical Indian Ocean (IO) during the boreal autumn has been investigated using a 900-yr experiment with a coupled atmosphere–ocean general...
Anthony J. Broccoli, Thomas L. Delworth, Ngar-cheung Lau
The effect of changes in observational coverage on the association between the Arctic oscillation (AO) and extratropical Northern Hemisphere surface temperature is examined. A coupled...
The influences of El Niño–Southern Oscillation (ENSO) events in the tropical Pacific on interannual variability of the coupled ocean–atmosphere systems in the North Pacific and North Atlantic...
Stephen A. Klein, Brian J. Soden, Ngar-cheung Lau
In an El Niño event, positive SST anomalies usually appear in remote ocean basins such as the South China Sea, the Indian Ocean, and the tropical North Atlantic approximately 3 to 6 months after SST...
The structural characteristics and vorticity dynamics of westward-traveling patterns (WTP) in the troposphere are examined using the National Centers for Environmental Prediction–National Center...
The cold ocean-warm land pattern: Model simulation and relevance to climate change detection (1998)
Anthony J. Broccoli, Ngar-cheung Lau, Jo Nath
Surface air temperatures from a 1000-yr integration of a coupled atmosphere–ocean model with constant forcing are analyzed by using a method that decomposes temperature variations into a component...
Interactions between global SST anomalies and the midlatitude atmospheric circulation (1997)
A review is given of the processes contributing to variability of the atmosphere–ocean system on interannual timescales. Particular emphasis is placed on the relationships between midlatitude...
The propagation characteristics and spatial distributions of cloud cover associated with synoptic-scale circulation systems are studied using both satellite data processed by the International...