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RISHow Many ENSO Flavors Can We Distinguish?
Publisher: American Meteorological Society
Abstract: t is now widely recognized that El Niño?Southern Oscillation (ENSO) occurs in more than one form, with the canonical eastern Pacific (EP) and more recently recognized central Pacific (CP) ENSO types receiving the most ...
The Continuum of North Pacific Sea Level Pressure Patterns: Intraseasonal, Interannual, and Interdecadal Variability
Publisher: American Meteorological Society
Abstract: This study combines k-means cluster analysis with linear unidimensional scaling to illustrate the spatial and temporal variability of the wintertime North Pacific sea level pressure (SLP) field. Daily wintertime SLP data ...
The Continuum of Wintertime Southern Hemisphere Atmospheric Teleconnection Patterns
Publisher: American Meteorological Society
Abstract: his study uses the method of self-organizing maps (SOMs) to categorize the June?August atmospheric teleconnections in the 500-hPa geopotential height field of the Southern Hemisphere (SH) extratropics. This approach yields ...
The Continuum of Northern Hemisphere Teleconnection Patterns and a Description of the NAO Shift with the Use of Self-Organizing Maps
Publisher: American Meteorological Society
Abstract: In this study, the method of self-organizing maps (SOMs) is used with NCEP?NCAR reanalysis data to advance the continuum perspective of Northern Hemisphere teleconnection patterns and to shed light on the secular eastward ...
Subseasonal and Interannual Temperature Variability in Relation to Extreme Temperature Occurrence over East Asia
Publisher: American Meteorological Society
Abstract: his study investigates interannual variability in the frequency of occurrence of daily surface air temperature (SAT) extremes over East Asia in summer and winter between 1979 and 2009. In particular, this study examines ...
Skillful Wintertime North American Temperature Forecasts out to 4 Weeks Based on the State of ENSO and the MJO
Publisher: American Meteorological Society
Abstract: revious work has shown that the combined influence of El Niño?Southern Oscillation (ENSO) and the Madden?Julian oscillation (MJO) significantly impacts the wintertime circulation over North America for lead times up to at ...
The Cloud Hunter’s Problem: An Automated Decision Algorithm to Improve the Productivity of Scientific Data Collection in Stochastic Environments
Publisher: American Meteorological Society
Abstract: decision algorithm is presented that improves the productivity of data collection activities in stochastic environments. The algorithm was developed in the context of an aircraft field campaign organized to collect data ...
Mapping Large-Scale Climate Variability to Hydrological Extremes: An Application of the Linear Inverse Model to Subseasonal Prediction
Publisher: American Meteorological Society
The Predictors and Forecast Skill of Northern Hemisphere Teleconnection Patterns for Lead Times of 3-4 Weeks
Publisher: American Meteorological Society
Abstract: he Pacific/North American (PNA) pattern, North Atlantic Oscillation (NAO), and Arctic Oscillation (AO) are three dominant teleconnection patterns known to strongly affect December-February surface weather in the Northern ...
Strength Outlooks for the El Niño–Southern Oscillation
Publisher: American Meteorological Society
Abstract: Three strategies for creating probabilistic forecast outlooks for El Niño?Southern Oscillation (ENSO) are compared. One is subjective and is currently used by the NOAA/Climate Prediction Center (CPC) to produce official ...