Trajectories for campaign use ending to Värriö (SMEAR I, VAR), Hyytiälä (SMEAR II, HYY) and Kumpula (SMEAR III, KUM). Met data is NOAA GFS 1/4 degree data. Model is hyts_std (HYSPLIT). You are welcome to suggest changes and correct possible errors in control and setup files. pasi.p.aalto@helsinki.fi Example CONTROL file 24 03 27 15 9 67.76 29.61 300.00 67.76 29.61 400.00 67.76 29.61 500.00 61.85 24.29 100.00 61.85 24.29 250.00 61.85 24.29 500.00 60.20 24.96 100.00 60.20 24.96 250.00 60.20 24.96 500.00 -96 0 10000 7 /work/metdata/ 20240322_gfs0p25 /work/metdata/ 20240323_gfs0p25 /work/metdata/ 20240324_gfs0p25 /work/metdata/ 20240325_gfs0p25 /work/metdata/ 20240326_gfs0p25 /work/metdata/ 20240327_gfs0p25 /work/metdata/ 20240328_gfs0p25 ./files/ hysplit2024032715.traj Example SETUP.CFG &SETUP tratio = 0.75, delt = 0.0, mgmin = 10, khmax = 9999, kmixd = 0, kmsl = 0, kagl = 1, k10m = 1, nstr = 0, mhrs = 9999, nver = 0, tout = 60, tm_pres = 1, tm_tpot = 1, tm_tamb = 1, tm_rain = 1, tm_mixd = 1, tm_relh = 0, tm_sphu = 0, tm_mixr = 1, tm_dswf = 1, tm_terr = 1, dxf = 1.00, dyf = 1.00, dzf = 0.01, messg = 'MESSAGE', / Trajectory file start lines: 7 1 GFSQ 24 3 23 0 24 GFSQ 24 3 24 0 24 GFSQ 24 3 25 0 24 GFSQ 24 3 26 0 24 GFSQ 24 3 27 0 24 GFSQ 24 3 28 0 48 GFSQ 24 3 29 0 72 9 BACKWARD OMEGA 24 3 28 0 67.760 29.610 300.0 24 3 28 0 67.760 29.610 400.0 24 3 28 0 67.760 29.610 500.0 24 3 28 0 61.850 24.290 100.0 24 3 28 0 61.850 24.290 250.0 24 3 28 0 61.850 24.290 500.0 24 3 28 0 60.200 24.960 100.0 24 3 28 0 60.200 24.960 250.0 24 3 28 0 60.200 24.960 500.0 8 PRESSURE THETA AIR_TEMP RAINFALL MIXDEPTH H2OMIXRA TERR_MSL SUN_FLUX