Flare Probabilities [%] (00:00 UTC +24H) ?
NOAA ? C+ M+ X+ Mean ?
MCEVOL ? MCSTAT ? SWPC ? MCEVOL MCSTAT SWPC MCEVOL MCSTAT SWPC C+ M+ X+
13926 4 8 10 0 1 1 0 0 1 8 1 0
13927 4 8 10 0 1 1 0 0 1 8 1 0
13928 54 54 65 7 16 25 11 2 5 58 16 6
13929 2 9 5 0 0 1 0 0 1 5 0 0
13930 48 64 55 14 11 15 0 1 1 56 13 1
13932 95 95 90 49 56 45 11 9 10 93 50 10
13933 0 86 80 0 31 35 0 2 5 55 22 2
13934 39 15 10 0 2 1 0 0 1 21 1 0
13935 7 15 10 0 2 1 0 0 1 11 1 0
13936 - 54 50 - 16 25 - 2 5 52 20 3
13937 - 10 5 - 0 1 - 0 1 8 1 0

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)