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RISWestward-Propagating Synoptic-Scale Disturbances and the ITCZ
Publisher: American Meteorological Society
Abstract: In an attempt to understand the dynamics of the intertropical convergence zone (ITCZ), this study explores the extent to which the ITCZ is causally related to zonally propagating synoptic-scale disturbances. The ITCZ, ...
A Spectrum Analysis of Synoptic-Scale Disturbances in the ITCZ
Publisher: American Meteorological Society
Abstract: Spectral characteristics of convective signals in synoptic-scale disturbances along the intertropical convergence zone (ITCZ) are examined using a 20-yr daily outgoing longwave radiation dataset. A new analysis method, ...
Seasonal Evolution and Variability Associated with the West African Monsoon System
Publisher: American Meteorological Society
Abstract: In this study, the seasonal variations in surface rainfall and associated large-scale processes in the tropical eastern Atlantic and West African region are investigated. The 6-yr (1998?2003) high-quality Tropical Rainfall ...
Precipitation and Temperature Variations on the Interannual Time Scale: Assessing the Impact of ENSO and Volcanic Eruptions
Publisher: American Meteorological Society
Abstract: he effects of ENSO and two large tropical volcanic eruptions (El Chichón, March 1982; Mt. Pinatubo, June 1991) are examined for the period of 1979?2008 using various satellite- and station-based observations of precipitation, ...
Spatial Patterns of Global Precipitation Change and Variability during 1901–2010
Publisher: American Meteorological Society
Abstract: his study examines global precipitation changes/variations during 1901?2010 by using the long-record GPCC land precipitation analysis, the NOAA/Cooperative Institute for Climate and Satellites (CICS) reconstructed (RECONS) ...
Precipitation Intensity Changes in the Tropics from Observations and Models
Publisher: American Meteorological Society
Abstract: AbstractTropical (30°N?30°S) interdecadal precipitation changes and trends are explored for the satellite era using GPCP monthly analyses and CMIP5 outputs and focusing on precipitation intensity distributions represented ...
Rapid Weakening of Tropical Cyclones in Monsoon Gyres over the Tropical Western North Pacific
Publisher: American Meteorological Society
Abstract: AbstractAs one major source of forecasting errors in tropical cyclone intensity, rapid weakening of tropical cyclones [an intensity reduction of 20 kt (1 kt = 0.51 m s?1) or more over a 24-h period] over the tropical open ...
Spatial Distributions and Seasonal Variations of Tropospheric Water Vapor Content over the Tibetan Plateau
Publisher: American Meteorological Society
Abstract: patial distributions and seasonal variations of tropospheric water vapor over the Tibetan Plateau and the surrounding areas are explored by means of water vapor products from the high-resolution Atmospheric Infrared Sounder ...
Tropical Rainfall Variability on Interannual-to-Interdecadal and Longer Time Scales Derived from the GPCP Monthly Product
Publisher: American Meteorological Society
Abstract: Global and large regional rainfall variations and possible long-term changes are examined using the 27-yr (1979?2005) Global Precipitation Climatology Project (GPCP) monthly dataset. Emphasis is placed on discriminating ...
The Eastern Pacific ITCZ during the Boreal Spring
Publisher: American Meteorological Society
Abstract: The 6-yr (1998?2003) rainfall products from the Tropical Rainfall Measuring Mission (TRMM) are used to quantify the intertropical convergence zone (ITCZ) in the eastern Pacific (defined by longitudinal averages over ...