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RISSuperposition of the Neyman–Scott Rectangular Pulses Model and the Poisson White Noise Model for the Representation of Tropical Rain Rates
Publisher: American Meteorological Society
Abstract: A point process model for tropical rain rates is developed through the derivation of the third moment expression for a combined point process model. The model is a superposition of a Neyman?Scott rectangular pulse model ...
The Effect of Data Resolution on the Area Threshold Method
Publisher: American Meteorological Society
Abstract: The effect of data resolution on the area threshold method is studied using a stochastic model of radar snapshots of tropical rainfall taken during the Global Atmospheric Research Program Atlantic Tropical Experiment. The ...
A Statistical Analysis of the Relationships among Rainfall, Outgoing Longwave Radiation and the Moisture Budget during January–March 1979
Publisher: American Meteorological Society
Abstract: An analysis of the statistical relationships among observed daily rainfall, outgoing longwave radiation (OLR) and the moisture budget (precipitation minus evaporation or P ? E), obtained from three independent data sources ...
An Evaluation of Ship Data in the Equatorial Western Pacific
Publisher: American Meteorological Society
Abstract: Theoretical and observational studies suggest that the equatorial western Pacific plays an important role in the origin and maintenance of the El Niño-Southern Oscillation phenomenon. Historical data within this critical ...
Tractable Analytic Expressions for the Wind Speed Probability Density Functions Using Expansions of Orthogonal Polynomials
Publisher: American Meteorological Society
Abstract: he use of the two-parameter Weibull function as an estimator of the wind speed probability density function (PDF) is known to be problematic when a high accuracy of fit is required, such as in the computation of the wind ...
Comparison of Two Satellite-based Rainfall Algorithms Using Pacific Atoll Raingage Data
Publisher: American Meteorological Society
Abstract: Rainfall estimates for two simple satellite-based rainfall algorithms are verified over the tropical Pacific using a new method that incorporates sparsely distributed raingages. The resulting linear regression relationship ...
Sampling-Induced Conditional Biases in Satellite Climate-Scale Rainfall Estimates
Publisher: American Meteorological Society
Abstract: The effect of temporal sampling error in satellite estimates of climate-scale rainfall is to produce a ?conditional? bias where the algorithm overestimates high rainfall and underestimates low rainfall. Thus, the bias is ...
Recent Trends in Rain Gauge Precipitation Measurements from the Tropical Pacific: Evidence for an Enhanced Hydrologic Cycle
Publisher: American Meteorological Society
Abstract: Analysis of recently compiled tropical Pacific rain gauge measurements shows a trend toward increased precipitation in the central tropical Pacific during the period 1971?90. Previous studies of precipitation trends in ...
A Preliminary Evaluation of Ship Data in the Equatorial Western Pacific
Publisher: American Meteorological Society
Abstract: The quality of ship data within the equatorial western Pacific is investigated using statistical analyses, and by comparison with data from neighboring island stations extracted from National Weather Service analyses. ...
Conditional Bias in Radar Rainfall Estimation
Publisher: American Meteorological Society
Abstract: The goal of this study is to improve understanding of the optimization criteria for radar rainfall (RR) products. Conditional bias (CB) is formally defined and discussed. The CB is defined as the difference between a given ...