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Influences of Circulation and Climate Change on European Summer Heat Extremes
Publisher: American Meteorological Society
Abstract: tmospheric circulation patterns occurring on the warmest 10% of summer days for a region of Europe severely impacted by the 2003 heatwave have been identified using a perturbed parameter ensemble of regional high-resolution ...
Evaluating Uncertainties in the Projection of Future Drought
Publisher: American Meteorological Society
Abstract: The uncertainty in the projection of future drought occurrence was explored for four different drought indices using two model ensembles. The first ensemble expresses uncertainty in the parameter space of the third Hadley ...
Modeling the Recent Evolution of Global Drought and Projections for the Twenty-First Century with the Hadley Centre Climate Model
Publisher: American Meteorological Society
Abstract: Meteorological drought in the Hadley Centre global climate model is assessed using the Palmer Drought Severity Index (PDSI), a commonly used drought index. At interannual time scales, for the majority of the land surface, ...
Modeling Northern Hemisphere Summer Heat Extreme Changes and Their Uncertainties Using a Physics Ensemble of Climate Sensitivity Experiments
Publisher: American Meteorological Society
Abstract: Changes in extreme daily temperature events are examined using a perturbed physics ensemble of global model simulations under present-day and doubled CO2 climates where ensemble members differ in their representation of ...
The Role of Human Activity in the Recent Warming of Extremely Warm Daytime Temperatures
Publisher: American Meteorological Society
Abstract: ormal detection and attribution analyses of changes in daily extremes give evidence of a significant human influence on the increasing severity of extremely warm nights and decreasing severity of extremely cold days and ...
Human Contribution to the Lengthening of the Growing Season during 1950–99
Publisher: American Meteorological Society
Abstract: Increasing surface temperatures are expected to result in longer growing seasons. An optimal detection analysis is carried out to assess the significance of increases in the growing season length during 1950?99, and to ...
Comparison of Tropospheric Temperatures from Radiosondes and Satellites: 1979–98
Publisher: American Meteorological Society
Abstract: A comprehensive comparison is made between two tropospheric temperature datasets over the period 1979?98: the most recent and substantially revised (version d) microwave sounding unit (MSU) channel 2 data retrievals, and ...