Variables for Framzy99  experiments :

     date = year-month-day
     hour = decimal hour
     lat = latitude North ( - = South )
     lon = longitude East ( - = West )
     ws = wind speed 
     seaT = sea near-surface temperature  ( cool water intake )
     skinT = skin temperature ( measured radiatively, not usable because
                                of calibration errors )
     airT = air temperature 
     qa = specific humidity
     swr = total solar flux
     shf = sensible heat flux
     lhf = latent heat flux
     bowen = Bowen ratio
     pres = surface pressure
     rhum = relative humidity
     wdir = wind direction
     rel_wdir = wind direction relative to ship
     rel_ws = wind speed relative to ship
     head_gps = ship heading from gps
     ships_gps = ship speed from gps
     head_cmp = ship heading from compass
     ships = ship speed
     stability
     deltaT = TS-T10
     deltaq = QS-Q10