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Expert Assessment of Uncertainties in Detection and Attribution of Climate Change
Publisher: American Meteorological Society
Abstract: The problem of detection of climate change and attribution of causes of change has been formalized as a series of discrete probability judgements in an expert elicitation protocol. Here results are presented from the ...
Observations of the 30–60 Day Oscillation in Zonal Mean Atmospheric Angular Momentum and High Cloud Cover
Publisher: American Meteorological Society
Abstract: Data on zonally averaged atmospheric angular momentum and high cloud cover percent are analyzed for the periods April?October 1979 and November 1982?October 1983. The dominant periodicity in both momentum and cloud datasets ...
The “Pause” in Global Warming: Turning a Routine Fluctuation into a Problem for Science
Publisher: American Meteorological Society
Abstract: here has been much recent published research about a putative ?pause? or ?hiatus? in global warming. We show that there are frequent fluctuations in the rate of warming around a longer-term warming trend, and that there ...
A Case Study of the Adequacy of GCM Simulations for Input to Regional Climate Change Assessments
Publisher: American Meteorological Society
Abstract: The Sacramento Basin is used as the focus for a case study testing whether general circulation models (GCMS) are capable of simulating the large-scale and synoptic-scale processes important in studies of regional water ...
A Multiscale Reexamination of the Pacific–South American Pattern
Publisher: American Meteorological Society
Abstract: he authors undertake a multiscale spectral reexamination of the variability of the Pacific?South American (PSA) pattern and the mechanisms by which this variability occurs. Time scales from synoptic to interannual are ...
Controlling the Proportion of Falsely Rejected Hypotheses when Conducting Multiple Tests with Climatological Data
Publisher: American Meteorological Society
Abstract: The analysis of climatological data often involves statistical significance testing at many locations. While the field significance approach determines if a field as a whole is significant, a multiple testing procedure ...
The Synoptic Climatology of Cool-Season Rainfall in the Central Wheatbelt of Western Australia
Publisher: American Meteorological Society
Abstract: ynoptic weather systems form an important part of the physical link between remote large-scale climate drivers and regional rainfall. A synoptic climatology of daily rainfall events is developed for the Central Wheatbelt ...
Impact of Surface Forcing on Southern Hemisphere Atmospheric Blocking in the Australia–New Zealand Sector
Publisher: American Meteorological Society
Abstract: haracteristics of atmospheric blocking in the Southern Hemisphere (SH) are explored in atmospheric general circulation model (AGCM) simulations with the Community Atmosphere Model, version 3, with a particular focus on the ...
Metastability of Northern Hemisphere Teleconnection Modes
Publisher: American Meteorological Society
Abstract: his study applies a finite-element, bounded-variation, vector autoregressive method to assess midtropospheric flow regimes characterized by regime switches between metastable states. The flow is assessed in reanalysis data ...
Attribution of Exceptional Mean Sea Level Pressure Anomalies South of Australia in August 2014
Publisher: American Meteorological Society