DODS allows one to give a application a url and have it directly download data. To read this data into ferret use
set data "http://kmddl.meteo.go.ke:8081/SOURCES/.NOAA/.NCEP-NCAR/.CDAS-1/.MONTHLY/.Intrinsic/PressureLevel/.psi/ngridtable/5+index/.surface/pressure/dods"
