Flare Probabilities [%] (00:00 UTC +24H) ?
NOAA C+ M+ X+ Mean ?
MCEVOL ? MCSTAT ? SWPC ? MCEVOL MCSTAT SWPC MCEVOL MCSTAT SWPC C+ M+ X+
13785 26 9 0 2 0 0 0 0 0 12 1 0
13788 4 8 5 0 1 1 0 0 1 6 1 0
13789 74 22 - 6 2 - 0 0 - 48 4 0
13790 87 86 65 37 35 25 9 6 5 79 33 7
13792 33 31 30 4 5 5 0 2 1 31 5 1
13793 32 9 5 1 0 1 0 0 1 15 1 0
13794 49 57 25 5 6 5 0 0 1 44 5 1
13796 79 86 60 27 35 15 6 6 5 75 26 6
13797 32 9 - 1 0 - 0 0 - 20 1 0
13798 4 8 5 0 1 1 0 0 1 6 1 0
13799 - 15 20 - 2 1 - 0 1 18 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)