Archive for the ‘Uncategorized’ Category
Ensemble Prediction
Weather is unpredictable. Small differences in initial conditions can develop into big differences in the pattern of circulation, in the timing and location of cyclones, rainfall etc. This is true no matter how good the initial observing system is.
The approach taken by organisations such as ECMWF or NCEP is to re-run numerical forecast models with [...]
February 2, 2010
Tags: R, weather forecast Posted in: Uncategorized 
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NCEP Global Forecast System
Just about everyone is familiar with weather maps. There are many situations where it is useful to combine the underlying numerical weather data with other types of information. Accessing the weather data is a necessary first step.
The output from the U.S. National Centers for Environmental Prediction (NCEP) Global Forecast System (GFS) is freely available. The [...]
December 16, 2009
Tags: GFS, R, weather forecast Posted in: Climate, Uncategorized 4 Comments
