tr_tppn: precipitation flux tr_lw_toa: toa outgoing longwave flux tr_om500: omega tr_tppn_spct: precipitation flux S-T power spectrum tr_lw_toa_spct: toa outgoing longwave flux S-T power spectrum tr_om500_spct: omega S-T power spectrum title:<hr> title:<hr> title:<hr> tr_u250: eastward wind tr_v250: northward wind tr_mslp: air pressure at sea level tr_u250_spct: eastward wind S-T power spectrum tr_v250_spct: northward wind S-T power spectrum tr_mslp_spct: air pressure at sea level S-T power spectrum