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RISSpatial Coherence and Seasonal Predictability of Monsoon Onset over Indonesia
Publisher: American Meteorological Society
Abstract: The seasonal potential predictability of monsoon onset during the August?December season over Indonesia is studied through analysis of the spatial coherence of daily station rainfall and gridded pentad precipitation data ...
Spatial Coherence of Monsoon Onset over Western and Central Sahel (1950–2000)
Publisher: American Meteorological Society
Abstract: The spatial coherence of boreal monsoon onset over the western and central Sahel (Senegal, Mali, Burkina Faso) is studied through the analysis of daily rainfall data for 103 stations from 1950 to 2000. Onset date is defined ...
Extracting Subseasonal Scenarios: An Alternative Method to Analyze Seasonal Predictability of Regional-Scale Tropical Rainfall
Publisher: American Meteorological Society
Abstract: urrent seasonal prediction of rainfall typically focuses on 3-month rainfall totals at regional scale. This temporal summation reduces the noise related to smaller-scale weather variability but also implicitly emphasizes ...
Rainfall Anomaly Patterns and Wind Field Signals over West Africa in August (1958–1989)
Publisher: American Meteorological Society
Abstract: Relationships between monthly West African rainfall anomaly patterns and monthly tropospheric wind changes are investigated for the 32 months of August (1958?1989) at an interannual time step. Regarding the Sahelian belt ...
Characterization of Heat Waves in the Sahel and Associated Physical Mechanisms
Publisher: American Meteorological Society
Abstract: AbstractGreat effort is made to address heat waves (HWs) in developed countries because of their devastating impacts on society, economy, and environment. However, HWs are still understudied over developing countries. This ...
Weather Types and Rainfall over Senegal. Part I: Observational Analysis
Publisher: American Meteorological Society
Abstract: A k-means cluster analysis is used to summarize unfiltered daily atmospheric variability at regional scale over the western Sahel and eastern tropical North Atlantic during the boreal summer season [July?September (JAS)] ...
Weather Types and Rainfall over Senegal. Part II: Downscaling of GCM Simulations
Publisher: American Meteorological Society
Abstract: Four methods of downscaling daily rainfall sequences from general circulation model (GCM) simulations are intercompared over Senegal, using a 13-station network of daily observations during July?September 1961?98. The local ...
Interactions among ENSO, the Monsoon, and Diurnal Cycle in Rainfall Variability over Java, Indonesia
Publisher: American Meteorological Society
Abstract: Using a high-resolution regional climate model?the Abdus Salam International Centre for Theoretical Physics Regional Climate Model version 3 (RegCM3)?and station and satellite observations, the authors have studied the ...
Regional-Scale Rainy Season Onset Detection: A New Approach Based on Multivariate Analysis
Publisher: American Meteorological Society
Abstract: n agroclimatology, the rainy season onset and cessation dates are often defined from a combination of several empirical rainfall thresholds. For example, the onset may be the first wet day of N consecutive days receiving ...
West African Monsoon Dynamics and Eastern Equatorial Atlantic and Pacific SST Anomalies (1970–88)
Publisher: American Meteorological Society
Abstract: The Laboratoire de Météorologie Dynamique atmospheric GCM is used to investigate relationships between West African monsoon dynamics and SST anomalies in the eastern equatorial Atlantic and Pacific for the period 1970?88. ...