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X2.8 solar flare on 2013-05-13

ClassX2.8NOAA report
Peak16:052013-05-13 UTC
Duration28 min
Peak flux2.8e-04W/m²
ComparisonValue
Rank among X flares (1975 – Jun 2017)125 / 491
Rank in year3 / 1467
Other M/X flares that day2
M/X flares that month18
Solar cycleCycle 24
Position on diskN14E83

Compared with the strongest flares of 2013

Other M/X flares that day

DateBeginPeakMinClassLocationRegion
01:5302:1739X1.7––
11:5712:0312M1.3––
All times UTC. Until June 2017 classes are NOAA's reports of the time (GOES-15 and earlier included a 0.7 scaling factor); later classes come from calibrated GOES-16/18 data, so the same flare reads about 1.4× larger. Do not compare the two periods directly.

← X1.7 2013-05-13X3.2 2013-05-14 →

About this page

A X2.8 flare that began 2013-05-13 15:48 UTC; No. 3 of 1,467 C-class-or-larger flares in 2013.