Re-analysis: Grid to Catchment
					• A forcing data set is under construction using the ECMWF (1979-1993) and NCEP (1994- present) re-analysis products. •  In the first step, the forcing fields precipitation (convective and total), downward radiation (long and short wave), air temperature, dew point temperature, surface pressure and wind speed are interpolated to catchment space.
	In this example air temperature for 24Z January 31st 1979 is interpolated from a Gaussian grid (~1.125°) to catchment space (~60km).  This is repeated for every six hour time step for each of the forcing variables.