Flare Probabilities [%] (00:00 UTC +24H) ?
NOAA C+ M+ X+ Mean ?
MCEVOL ? MCSTAT ? SWPC ? MCEVOL MCSTAT SWPC MCEVOL MCSTAT SWPC C+ M+ X+
13762 84 77 0 30 18 0 0 1 0 54 16 0
13763 4 8 5 0 1 1 0 0 1 6 1 0
13764 32 15 15 2 2 1 0 0 1 21 2 0
13765 81 92 70 38 35 25 5 5 5 81 33 5
13766 64 64 65 13 11 15 1 1 5 64 13 2
13767 36 57 50 5 6 10 0 0 1 48 7 0
13768 0 95 85 0 56 45 0 9 10 60 34 6
13769 4 8 5 0 1 1 0 0 1 6 1 0
13770 42 39 45 0 4 10 0 0 1 42 5 0
13772 48 64 65 14 11 35 0 1 5 59 20 2
13773 12 14 30 0 1 5 0 0 1 19 2 0
13774 - 76 60 - 15 15 - 2 5 68 15 4
13775 - 15 15 - 2 1 - 0 1 15 1 1

SolarMonitor's flare prediction system's probabilities are calculated using the NOAA Space Weather Predicion Centre's McIntosh classifications. There are two methods, MCSTAT and MCEVOL, that use sunspot-group McIntosh classifications and Poisson statistics to calculate flaring probabilities valid for a 24-hr period starting at 00:00 UTC. The flaring probabilities are calculated using historical data from solar cycles 23 and 24 (1996-2019).

MCSTAT (McIntosh Statistics): Uses the point-in-time McIntosh classification to calculate Poisson flaring probabilities. Details about the method [1] and forecast verification testing [2] can be found in the following papers:

[1] Gallagher, P. T., Moon, Y.-J., Wang, H., Solar Physics, 209, 171, (2002)
[2] Bloomfield et al., 2012, The Astrophysical Journal Letters, 747, L41

MCEVOL (McIntosh Evolution): Uses a combination of previous and current McIntosh classification to calculate Poisson flaring probabilities. Details about the method and flaring rate statistics can be found in the following:

[1] McCloskey, A.E., Gallagher, P.T. & Bloomfield, D.S., Solar Physics, 291, 1711, (2016)