SimpleFFMC Fine Fuel Moisture calculation worksheet A B C D E F G H I J K L Weather Observations Equilibrium Moisture Rainfall Evaporation Moisture Previous Correction Factor Correction FMC Solar Surface Content MC (t-1) Factor Temp RH (RMF) Factor (ECF) Rainfall Radiation Temp (EQMC) (MCF) Units (F) (%) (in) (W/m2) (F) (%) (%) (%) (%) (%) (%) Estimated Table Ref Ref Table Ref Tables 5 from local Ref Table 2 Ref Table 4 Reference Table 1 3 and 6 table Moisture If no local content table, use 0 if no If FMC (t-1) > from 800 for clear rainfall over EQMC use previous 0 if FMC (t-1) < Notes days, 400 for last Table 5, FMC (t -1) + RMF + ECF + MCF hour or 30% overcast observation otherwise EQMC if days and 0 period use Table 6 first at night observation 25-Jul-16 7:00 AM 77 23.26 94 0 90 19 19 0 0 -1 18 8:00 AM 84 161.657 76 0 96 14 18 0 0 -1 17 9:00 AM 82 123.278 86 0 94 16 17 0 0 -1 16 10:00 AM 83 324.477 72 0 103 12 16 0 0 -1 15 11:00 AM 80 196.547 79 0 96 15 15 0 0 -1 14 12:00 PM 80 293.076 87 0.09 98 14 14 21 0 0 35 1:00 PM 77 238.415 84 0.02 92 17 35 7 0 0 42 2:00 PM 87 702.452 74 0.01 111 12 42 4 0 0 46 3:00 PM 88 846.664 69 0 117 11 46 0 -8 0 38 4:00 PM 88 748.972 62 0 115 9 38 0 -8 0 30 5:00 PM 88 67 0 0 111 10 30 0 -7 0 23 Table 10 – Worked example fuel moisture calculation from the St. Mark (West) RAWS station on 25 July 2016.
SimpleFFMC Fine Fuel Moisture calculation worksheet A B C D E F G H I J K L Weather Observations Equilibrium Moisture Content (EQMC) Previous MC (t-1) Rainfall Factor (RMF) Evaporation Correction Factor (ECF) Moisture Correction Factor (MCF) FMC Temp RH Rainfall Solar Radiation Surface Temp Units (F) (%) (in) (W/m2) (F) (%) (%) (%) (%) (%) (%) Table Reference Estimated from local table Ref Table 1 Ref Table 2 Ref Table 3 Ref Table 4 Ref Tables 5 and 6 Notes If no local table, use 800 for clear days, 400 for overcast days and 0 at night Moisture content from previous hour or EQMC if first observation 0 if no rainfall over last observation period 0 if FMC (t-1) < 30% If FMC (t-1) > EQMC use Table 5, otherwise use Table 6 FMC (t -1) + RMF + ECF + MCF 25-Jul-16 7:00 AM 77 94 0 23.26 90 19 19 0 0 -1 18 8:00 AM 84 76 0 161.657 96 14 18 0 0 -1 17 9:00 AM 82 86 0 123.278 94 16 17 0 0 -1 16 10:00 AM 83 72 0 324.477 103 12 16 0 0 -1 15 11:00 AM 80 79 0 196.547 96 15 15 0 0 -1 14 12:00 PM 80 87 0.09 293.076 98 14 14 21 0 0 35 1:00 PM 77 84 0.02 238.415 92 17 35 7 0 0 42 2:00 PM 87 74 0.01 702.452 111 12 42 4 0 0 46 3:00 PM 88 69 0 846.664 117 11 46 0 -8 0 38 4:00 PM 88 62 0 748.972 115 9 38 0 -8 0 30 5:00 PM 88 67 0 0 111 10 30 0 -7 0 23 Table 10 – Worked example fuel moisture calculation from the St. Mark (West) RAWS station on 25 July 2016.
FFS_final_report_Rev2.docx