Shocks from the PM
Low Density Events

Here is a comparison of SEM and GOES X-ray data for a randomly chosen, moderately active day (15 May 2001).


A selected list of solar X-ray events observed by CELIAS/SEM (15 second averages)

14 Jul 2017 (DOY 195 0107 UT) M2.4 x-ray flare in AR9780 with a 1N optical flare at S06W29 leading to a shock 52 hours later on 16 Jul 2017 (DOY 197) at 0518 UT.

16 Dec 2015 (DOY 350 0836 UT) C6.6 x-ray flare in AR2468 with a 1F optical flare at S13W04 leading to a shock 79 hours later on 19 Dec 2015 (DOY 353) at 1527 UT.

04 Nov 2015 (DOY 308 1331 UT) M3.7 x-ray flare in AR2443 with a 2B optical flare at N09W04 leading to a shock 52 hours later on 06 Nov 2015 (DOY 310) at 1732 UT.

10 Sep 2014 (DOY 253 2312 UT) X1.6 x-ray flare in AR2158 with an impulsive flare at N14E05 leading to a shock 46 hours later on 12 Sep 2014 (DOY 255) at 1527 UT.

08 Sep 2014 (DOY 251 2312 UT) M4.5 x-ray flare in AR2158 with an impulsive flare at N14E31 leading to a shock 72 hours later on 11 Sep 2014 (DOY 254) at 2302 UT.

25 Feb 2014 (DOY 056 0039 UT) X4.9 x-ray flare in AR1990 with a 2B optical flare at S12E82 leading to a shock 63.5 hours later on 27 Feb 2014 (DOY 058) at 1617 UT.

07 Jan 2014 (DOY 007 1840 UT) X1.2 x-ray flare in AR1944 leading to a shock 49.5 hours later on 09 Jan 2014 (DOY 009) at 1933 UT.

04 Jan 2014 (DOY 004 1847 UT) M4.0 x-ray flare leading to a shock 67.5 hours later on 07 Jan 2014 (DOY 007) at 1424 UT.

29 Sep 2013 (DOY 272 2143 UT) C1.2 x-ray flare leading to a shock 52 hours later on 02 Oct 2013 (DOY 275) at 0125 UT.

21 Jun 2013 (DOY 172 0230 UT) M2.9 x-ray flare in AR1777 with a 1F optical flare at S16E73 leading to a shock 49 hours later on 23 Jun 2013 (DOY 174) at 0353 UT.

22 May 2013 (DOY 142 1308 UT) M5.0 x-ray flare in AR1745 leading to a shock 52 hours later on 24 May 2013 (DOY 144) at 1740 UT.

17 May 2013 (DOY 137 0843 UT) M3.2 x-ray flare in AR1748 leading to a shock 61.5 hours later on 19 May 2013 (DOY 139) at 2213 UT.

15 May 2013 (DOY 135 0125 UT) X1.2 x-ray flare in AR1748 leading to a shock 71 hours later on 18 May 2013 (DOY 138) at 0023 UT.

11 Apr 2013 (DOY 101 0655 UT) M6.5 x-ray flare in AR1719 leading to a shock 63.5 hours later on 13 Apr 2013 (DOY 103) at 2224 UT.

21 Nov 2012 (DOY 326 1510 UT) M3.5 x-ray flare in AR1618 leading to a shock 54 hours later on 23 Nov 2012 (DOY 328) at 2122 UT.

05 Oct 2012 (DOY 279 0317 UT) B7.8 x-ray flare in AR1584, leading to a shock 73 hours later on 08 Oct 2012 (DOY 282) at 0431 UT.

27 Sep 2012 (DOY 271 2336 UT) C3.7 x-ray flare in AR1577, leading to a shock 71 hours later on 30 Sep 2012 (DOY 274) at 2221 UT.

12 Jul 2012 (DOY 194 1537 UT) X1.4 x-ray flare in AR1520, leading to a shock 50 hours later on 14 Jul 2012 (DOY 196) at 1727 UT.

14 Jun 2012 (DOY 166 1252 UT) M1.9 x-ray flare in AR1504, leading to a shock 44 hours later on 16 Jun 2012 (DOY 168) at 0852 UT.

13 Mar 2012 (DOY 073 1712 UT) M7.9 x-ray flare in AR1429, leading to a shock 43.5 hours later on 15 Mar 2012 (DOY 075) at 1242 UT.

10 Mar 2012 (DOY 070 1715 UT) M8.4 x-ray flare in AR1429, leading to a shock 35 hours later on 12 Mar 2012 (DOY 072) at 0845 UT.

09 Mar 2012 (DOY 069 0322 UT) M6.3 x-ray flare in AR1429, leading to a shock 57.5 hours later on 11 Mar 2012 (DOY 071) at 1252 UT.

07 Mar 2012 (DOY 067 0002 UT) X5.4 x-ray flare in AR1429 with a 3B optical flare at N17E27, leading to a shock 35 hours later on 08 Mar 2012 (DOY 068) at 1053 UT.

05 Mar 2012 (DOY 065 0230 UT) X1.1 x-ray flare in AR1429, leading to a shock 49 hours later on 07 Mar 2012 (DOY 067) at 0347 UT.

23 Jan 2012 (DOY 023 0338 UT) M8.7 x-ray flare in AR1402, leading to a shock 35 hours later on 24 Jan 2012 (DOY 024) at 1433 UT.

19 Jan 2012 (DOY 019 1344 UT) M3.2 x-ray flare in AR1402 with an optical flare at N32E22, leading to a shock 64 hours later on 22 Jan 2012 (DOY 022) at 0518 UT.

24 Sep 2011 (DOY 267 1233 UT) M7.1 x-ray flare in AR1302, leading to a shock 47.5 hours later on 26 Sep 2011 (DOY 269) at 1202 UT.

22 Sep 2011 (DOY 265 1029 UT) X1.4 x-ray flare in AR1302 with a 2N optical flare at N13E78, leading to a shock 73 hours later on 25 Sep 2011 (DOY 268) at 1112 UT.

07 Sep 2011 (DOY 250 2232 UT) X1.8 x-ray flare in AR1283 with a 3B optical flare at N14W28, leading to a shock 37 hours later on 09 Sep 2011 (DOY 252) at 1149 UT.

04 Aug 2011 (DOY 216 0340 UT) M9.3 x-ray flare in AR1261 with a 2B optical flare at N19W36, leading to a shock 39 hours later on 05 Aug 2011 (DOY 217) at 1832 UT.

03 Aug 2011 (DOY 215 1317 UT) M6.0 x-ray flare in AR1261 with a 2B optical flare at N16W30, leading to a shock 52 hours later on 05 Aug 2011 (DOY 217) at 1723 UT.

02 Aug 2011 (DOY 214 0519 UT) M1.4 x-ray flare in AR1261 with a 1N optical flare at N14W15, leading to a shock 64 hours later on 04 Aug 2011 (DOY 216) at 2110 UT.

15 Apr 2011 (DOY 105 1702 UT) M1.3 x-ray flare in AR1190 with an optical flare at N14W19, leading to a shock 61 hours later on 18 Apr 2011 (DOY 108) at 0606 UT.

07 Mar 2011 (DOY 066 1943 UT) M3.7 x-ray flare in AR1164 with a halo CME, leading to a shock 59.2 hours later on 10 Mar 2011 (DOY 069) at 0545 UT.

15 Feb 2011 (DOY 046 0156 UT) X2.2 x-ray flare in AR1158 with a halo CME, leading to a shock 70.7 hours later on 18 Feb 2011 (DOY 049) at 0040 UT.

14 Dec 2006 (DOY 348 2215 UT) X1.5 x-ray flare in AR0930 with a potentially asymmetric full halo CME , leading to a shock 43.5 hours later on 14 Dec 2006 (DOY 348) at 1357 UT.

13 Dec 2006 (DOY 347 1847 UT) X3.4 x-ray flare in AR0930 with a 4B optical flare at S06W24, leading to a shock 35.5 hours later on 14 Dec 2006 (DOY 348) at 1357 UT.

06 Dec 2006 (DOY 340 1847 UT) X6.5 x-ray flare in AR0930 with a 3B optical flare at S06E63, leading to a shock 33.5 hours later on 08 Dec 2006 (DOY 342) at 0411 UT.

16 Aug 2006 (DOY 228 1617 UT) C3.6 x-ray flare in AR0904 with a sub-optical flare at S14W13 and a halo CME, leading to a shock 47.5 hours later on 18 Aug 2006 (DOY 230) at 1542 UT.

06 Jul 2006 (DOY 187 0836 UT) M2.5 x-ray flare in AR0898 with a 2F optical flare at S11W32 and a possible partial halo CME, leading to a shock 84.5 hours later on 09 Jul 2006 (DOY 190) at 2104 UT.

13 Sep 2005 (DOY 256 1927 UT) X1.5 x-ray flare in AR0808 with a 2B optical flare at S09E10, leading to a shock 37 hours later on 15 Sep 2005 (DOY 258) at 0825 UT.

09 Sep 2005 (DOY 252 0959 UT) X3.6 x-ray flare in AR0810 at S11E66, leading to a shock 39 hours later on 11 Sep 2005 (DOY 254) at 0049 UT.

07 Sep 2005 (DOY 250 1055 UT) X17.0 x-ray flare in AR0810 with a 3B optical flare at S06E89, leading to a shock 43.5 hours later on 09 Sep 2005 (DOY 252) at 1310 UT.

22 Aug 2005 (DOY 234 1055 UT) M 5.6 x-ray flare in AR0798 with a 1N optical flare at S13W65, leading to a shock 36.5 hours later on 24 Aug 2005 (DOY 236) at 0534 UT.

14 Jul 2005 (DOY 195 1055 UT) X1.2 LDE x-ray flare in AR0786 with a SN optical flare at N11W90 and an asymmetric full halo CME, leading to a shock 62.5 hours later on 17 Jul 2005 (DOY 198) at 0123 UT.

07 Jul 2005 (DOY 188 1629 UT) M4.9 x-ray flare in AR0786 with a SN optical flare at N09E03 and an asymmetric full halo CME, leading to a shock 58.5 hours later on 10 Jul 2005 (DOY 191) at 0256 UT.

26 May 2005 (DOY 146 1420 UT) B7.5 x-ray flare in AR0767 at S09E14 (approx.) with a full halo CME, leading to a shock 67 hours later on 29 May 2005 (DOY 149) at 0915 UT.

13 May 2005 (DOY 133 1657 UT) M8.0 x-ray flare in AR0759 with a 2B optical flare at N12E12 and a full halo CME, leading to a shock 33.5 hours later on 15 May 2005 (DOY 135) at 0219 UT.

20 Jan 2005 (DOY 020 0701 UT) X7.1 x-ray flare in AR0720 with a 2B optical flare at N12W58 and a CME, leading to a shock 34 hours later on 21 Jan 2005 (DOY 021) at 1648 UT.

19 Jan 2005 (DOY 019 0822 UT) X1.3 x-ray flare in AR0720 with a 2N optical flare at N15W51

08 Dec 2004 (DOY 343 1959 UT) C2.5 x-ray flare in AR0709 with a sub optical flare at N05W03 and a full halo CME, leading to a shock 65 hours later on 11 Dec 2004 (DOY 346) at 1303 UT.

03 Dec 2004 (DOY 338 0006 UT) M1.5 x-ray flare in AR0708 with a full halo CME, leading to a shock 55 hours later on 5 Dec 2004 (DOY 340) at 0704 UT.

08 Nov 2004 (DOY 313 0329 UT) C7.9 x-ray flare in AR0696 with a sub optical flare at N08W28, leading to a shock 39 hours later on 9 Nov 2004 (DOY 314) at 1824 UT.

07 Nov 2004 (DOY 312 1606 UT) X2.0 x-ray flare in AR0696 with a full halo CME, leading to a shock 41 hours later on 9 Nov 2004 (DOY 314) at 0905 UT.

06 Nov 2004 (DOY 311 0034 UT) M9.3 x-ray flare in AR0696 with a 2N optical flare at N10E08, leading to a shock 41.5 hours later on 7 Nov 2004 (DOY 312) at 1759 UT.

05 Nov 2004 (DOY 310 1130 UT) M4.0 x-ray flare in AR0696 with a 1F optical flare at N08E15, leading to a shock 47 hours later on 7 Nov 2004 (DOY 312) at 1022 UT.

04 Nov 2004 (DOY 309 2229 UT) M2.5 x-ray flare in AR0696, leading to a shock 52 hours later on 7 Nov 2004 (DOY 312) at 0222 UT.

12 Sep 2004 (DOY 256 0056 UT) M4.8 x-ray flare in AR0672 with a 2N optical flare at N03E49, leading to a shock 42.5 hours later on 13 Sep 2004 (DOY 257) at 1929 UT.

25 Jul 2004 (DOY 207 1514 UT) M1.1 x-ray flare in AR0652 with a 1F optical flare at N08W33 and a full halo CME, leading to a shock 31 hours later on 26 Jul 2004 (DOY 208) at 2228 UT.

20 Jul 2004 (DOY 202 1232 UT) M8.6 x-ray flare in AR0652 with a 3B optical flare at N11E34, leading to a shock 45 hours later on 22 Jul 2004 (DOY 204) at 0945 UT.

11 Apr 2004 (DOY 102 0419 UT) C9.6 x-ray flare in AR0588 with a 1F optical flare at S16W46 and a full halo CME, leading to a shock 37.5 hours later on 12 Apr 2004 (DOY 103) at 1735 UT.

08 Apr 2004 (DOY 099 1019 UT) C7.4 x-ray flare in AR0588 and a sub optical flare at S15W11 with a full halo CME, leading to a shock 57 hours later on 10 Apr 2004 (DOY 101) at 1925 UT.

06 Apr 2004 (DOY 097 1328 UT) M2.4 x-ray flare in AR0588 and a sub optical flare at S18E15, leading to a shock 60.5 hours later on 9 Apr 2004 (DOY 100) at 0147 UT.

20 Jan 2004 (DOY 020 0743 UT) M6.1 x-ray flare in AR0540 and a 2N optical flare at S16W12, leading to a shock 41.5 hours later on 22 Jan 2004 (DOY 022) at 0110 UT.

20 Nov 2003 (DOY 324 0747 UT) M9.6 x-ray flare in AR0501 and a 2B optical flare at N01W08, leading to a shock 50 hours later on 22 Nov 2003 (DOY 326) at 0959 UT.

18 Nov 2003 (DOY 322 0752 UT) M3.2 x-ray flare in AR0501 and a 2N optical flare at N00E18 with a full halo CME, leading to a shock 47.5 hours later on 20 Nov 2003 (DOY 324) at 0728 UT.

13 Nov 2003 (DOY 317 0929 UT) M1.4 x-ray flare in AR0501 at N01E90, leading to a shock 44 hours later on 15 Nov 2003 (DOY 319) at 0527 UT.

04 Nov 2003 (DOY 308 1953 UT) X17.4 x-ray flare in AR0486 and a 3B optical flare at S19W83 with a full halo CME, leading to a shock 47 hours later on 6 Nov 2003 (DOY 310) at 1856 UT. This X17.4 flare may have been the largest X-ray event since observations began in 1976.

02 Nov 2003 (DOY 306 1725 UT) X8.3 x-ray flare in AR0486 and a 2B optical flare at S14W56 with a full halo CME, leading to a shock 36.5 hours later on 4 Nov 2003 (DOY 308) at 0553 UT.

23 Oct 2003 (DOY 296 0835 UT) X5.4 x-ray flare in AR0486 and a 1B optical flare at S21E88 with a full halo CME, leading to a shock 82 hours later on 26 Oct 2003 (DOY 299) at 1835 UT.

22 Oct 2003 (DOY 295 0956 UT) M1.7 x-ray flare in AR0484 at S02E22, leading to a shock 53 hours later on 24 Oct 2003 (DOY 297) at 1447 UT. This flare was part of a series of events associated with two large sunspots shown in this MDI image.

17 Jun 2003 (DOY 168 2255 UT) M6.8 x-ray flare in AR0386 at S07E55, leading to a shock 57 hours later on 20 Jun 2003 (DOY 171) at 0804 UT.

15 Jun 2003 (DOY 166 2356 UT) X1.3 x-ray flare in AR0386 and a sub optical flare at S07E80, leading to a shock 53 hours later on 18 Jun 2003 (DOY 169) at 0444 UT.

29 May 2003 (DOY 149 0105 UT) X1.2 x-ray flare in AR0365 and a 2B optical flare at S06W37, leading to a shock 39 hours later on 30 May 2003 (DOY 150) at 1602 UT.

27 May 2003 (DOY 147 2307 UT) X1.3 x-ray flare in AR0365 and a 2B optical flare at S07W17, leading to a shock 37 hours later on 29 May 2003 (DOY 149) at 1152 UT. The flare was followed by an X3.6 x-ray flare about 80 minutes later from the same active region leading to a second shock 42 hours later on 29 May 2003 (DOY 149) at 1836.

21 Apr 2003 (DOY 111 1307 UT) M2.8 x-ray flare in AR0338 and a 1N optical flare at N18E02, leading to a shock 77 hours later on 24 Apr 2003 (DOY 114) at 1819 UT

04 Apr 2003 (DOY 094 2019 UT) M1.9 x-ray flare in AR0324 and a sub optical flare at N08W65, leading to a shock 76 hours later on 8 Apr 2003 (DOY 098) at 0004 UT

12 Feb 2003 (DOY 043 0151 UT) C8.9 x-ray flare in AR0280 and a 1F optical flare at S05W43, leading to a shock 64 hours later on 14 Feb 2003 (DOY 045) at 1739 UT

22 Dec 2002 (DOY 356 0252 UT) M1.1 x-ray flare in AR0223 and a 2F optical flare at N23W42, leading to a shock 58.5 hours later on 24 Dec 2002 (DOY 358) at 1318 UT

24 Nov 2002 (DOY 328 2029 UT) C6.4 x-ray flare in AR0198 and a sub optical flare at S17W37, leading to a shock 49 hours later on 26 Nov 2002 (DOY 330) at 2121 UT

06 Nov 2002 (DOY 310 0532 UT) C7.2 x-ray flare in AR0180 and a sub optical flare at S13E13, leading to a shock 84.5 hours later on 09 Nov 2002 (DOY 313) at 1756 UT

30 Sep 2002 (DOY 273 0422 UT) C2.1 x-ray flare in AR0134 and a sub optical flare at N11E10, leading to a shock 66 hours later on 02 Oct 2002 (DOY 275) at 2208 UT

27 Sep 2002 (DOY 270 1312 UT) M1.8 x-ray flare in AR0134 and a sub optical flare at N13E45, leading to a shock 66 hours later on 30 Sep 2002 (DOY 273) at 0713 UT

15 Sep 2002 (DOY 258 1738 UT) M1.0 x-ray flare in AR0105 and a sub flare at S05W29, possibly leading to the shock observed 53 hours later on 17 Sep 2002 (DOY 260) at 2231 UT

05 Sep 2002 (DOY 248 1706 UT) C5.2 x-ray flare in AR0102 and a sub flare at N09W28, leading to a shock 47 hours later on 07 Sep 2002 (DOY 250) at 1554 UT

24 Aug 2002 (DOY 236 0112 UT) X3.1 x-ray flare in AR0069 and a 1F optical flare at S02W81 with a large CME, leading to a shock 57 hours later on 26 Aug 2002 (DOY 238) at 1020 UT

16 Aug 2002 (DOY 228 1232 UT) M5.2 x-ray flare in AR0069 and a 2N optical flare at S14E20 with a full halo CME, leading to a shock 54 hours later on 18 Aug 2002 (DOY 230) at 1816 UT

29 Jul 2002 (DOY 210 0238 UT) M4.8 x-ray flare in AR0044 and a 1F optical flare at S21W12 with a partial halo CME, leading to a shock 74 hours later on 01 Aug 2002 (DOY 213) at 0445 UT

26 Jul 2002 (DOY 207 2112 UT) M8.7 x-ray flare in AR0044 and a 2N optical flare at S19E26 with a full halo CME, leading to a shock 63.5 hours later on 29 Jul 2002 (DOY 210) at 1244 UT

23 Jul 2002 (DOY 204 0035 UT) X4.8 x-ray flare in AR0039 and a 2B optical flare at S13E72, leading to a shock 60.5 hours later on 25 Jul 2002 (DOY 206) at 1303 UT

18 Jul 2002 (DOY 199 0337 & 0744 UT) M2.2 x-ray flare in AR0030 followed by an X1.8 x-ray flare in AR0030 and a 2B optical flare at N19W30

17 Jul 2002 (DOY 198 0713 UT) M8.5 x-ray flare in AR0030 and a 1B optical flare at N21W17, leading to a shock 50.5 hours later on 19 Jul 2002 (DOY 200) at 0936 UT

15 Jul 2002 (DOY 196 2008 UT) X3.0 x-ray flare in AR0030 and a 3B optical flare at N19W01, leading to a shock 43.5 hours later on 17 Jul 2002 (DOY 198) at 1529 UT

20 May 2002 (DOY 140 1527 UT) X2.1 x-ray flare in AR9661 with a partial halo CME and a 2N optical flare at S21E65, leading to a shock 67 hours later on 23 May 2002 (DOY 143) at 1017 UT

17 May 2002 (DOY 137 0754 UT) M1.5 x-ray flare near AR 9957 at ~N07E90, leading to a shock 67 hours later on 20 May 2002 (DOY 140) at 0256 UT

7 May 2002 (DOY 127 0346 UT) M1.4 x-ray flare in AR 9937 at S10E27 with a halo CME, leading to a shock 78.5 hours later on 10 May 2002 (DOY 130) at 1029 UT

21 Apr 2002 (DOY 111 0151 UT) X1.5 x-ray flare in AR 9906 with a partial halo CME and a 1F optical flare at S14W84, leading to a shock 50.5 hours later on 23 Apr 2002 (DOY 113) at 0408 UT

17 Apr 2002 (DOY 107 0824 UT) M2.6 x-ray flare with a halo CME and a 2N optical flare at S14W34, leadin g to a shock 47.5 hours later on 19 Apr 2002 (DOY 109) at 0758 UT

15 Apr 2002 (DOY 105 0355 UT) M1.2 x-ray flare, leading to a shock 54 hours later on 17 Apr 2002 (DOY 107) at 1013 UT

22 Mar 2002 (DOY 081 1114 UT) M1.6 x-ray flare, leading to a shock 62 hours later on 25 Mar 2002 (DOY 084) at 0058 UT

18 Mar 2002 (DOY 077 0231 UT) M1.0 x-ray flare at S10W40, leading to a shock 58.5 hours later on 20 Mar 2002 (DOY 079) at 1305 UT

15 Mar 2002 (DOY 074 2310 UT) M2.2 x-ray flare in AR 9866 and a 1F optical flare at S08W03, leading to a shock 61.5 hours later on 18 Mar 2002 (DOY 077) at 1233 UT

12 Mar 2002 (DOY 071 2313 UT) M1.5 x-ray flare in AR 9871 and a sub optical flare at S22E93, leading to a shock 67 hours later on 15 Mar 2002 (DOY 074) at 1801 UT

24 Feb 2002 (DOY 055 1447 UT) C4.4 x-ray flare in AR 9841, leading to a shock 85 hours later on 28 Feb 2002 (DOY 059) at 0349 UT

14 Jan 2002 (DOY 014 0627 UT) M4.4 x-ray flare in AR 9767, leading to a shock 71.5 hours later on 17 Jan 2002 (DOY 017) at 0551 UT

28 Dec 2001 (DOY 362 2045 UT) X3.4 x-ray flare in AR 9767 with a partial halo CME, leading to a shock 47 hours later on 30 Dec 2001 (DOY 364) at 1938 UT

26 Dec 2001 (DOY 360 0540 UT) M7.1 x-ray flare in AR 9742 with a partial halo CME and a 1B optical flare at N08W54, leading to a shock 71 hours later on 29 Dec 2001 (DOY 363) at 0456 UT

22 Nov 2001 (DOY 326 2330 UT) M9.9 x-ray flare in AR 9704 with a halo CME, leading to a shock 30 hours later on 24 Nov 2001 (DOY 328) at 0533 UT

04 Nov 2001 (DOY 308 1620 UT) X1.0 x-ray flare in AR 9684 with a 3B optical flare at N06W18, leading to a shock 33 hours later on 06 Nov 2001 (DOY 310) at 0120 UT

25 Oct 2001 (DOY 298 1502 UT) X1.3 x-ray flare in AR 9672 with a halo CME and a 2B optical flare at S16W21, leading to a shock 57.5 hours later on 28 Oct 2001 (DOY 304) at 1249 UT

22 Oct 2001 (DOY 295 1759 UT) X1.2 x-ray flare in AR 9672 with a halo CME and a 2B optical flare at S18E16, leading to a shock 62 hours later on 25 Oct 2001 (DOY 298) at 0757 UT

19 Oct 2001 (DOY 292 0105 UT) X1.6 x-ray flare in AR 9661 with a halo CME and a 2B optical flare at N16W18, followed 15 hours later at 1620 UT by another X1.6 x-ray flare in AR 9661 and a 2B optical flare at N15W29, leading to a shock 63 hours later on 21 Oct 2001 (DOY 294) at 1605 UT

24 Sep 2001 (DOY 267 1038 UT) X2.6 x-ray flare in AR 9632 with a halo CME and a 2B optical flare at S16E23, leading to a shock 33 hours later on 25 Sep 2001 (DOY 268) at 1951 UT

25 Aug 2001 (DOY 237 1645 UT) X5.3 x-ray flare in AR 9591 wit h a Halo CME and a 3B optical flare at S17E34, leading to a shock 50.5 hours later on 27 Aug 2001 (DOY 239) at 1914 UT

15 Jun 2001 (DOY 163 1013 UT) M6.3 x-ray flare in AR 9502 and a 1N optical flare at S26E41, leading to a shock 63.5 hours later on 18 Jun 2001 (DOY 169) at 0153 UT

26 Apr 2001 (DOY 116 1312 UT) M7.8 x-ray flare in AR 9433 with a halo CME and a 2B optical flare at N17W31, leading to a shock 39.5 hours later on 28 Apr 2001 (DOY 118) at 0428 UT

18 Apr 2001 (DOY 108 0214 UT) C2.2 x-ray flare in AR 9415, and an optical sub flare at S20W120, leading to a shock 84.5 hours later on 21 Apr 2001 (DOY 111) at 1457 UT

15 Apr 2001 (DOY 105 1350 UT) X14.4 x-ray flare in AR 9415 and a 2B optical flare at S20W85, leading to a shock 58 hours later on 17 Apr 2001 (DOY 107) at 2357 UT

11 Apr 2001 (DOY 101 1326 UT) M2.3 x-ray flare in AR 9415 with a halo CME and a 1F optical flare at S22W27, leading to a shock 42 hours later on 13 Apr 2001 (DOY 103) at 0705 UT

10 Apr 2001 (DOY 100 0526 UT) X2.3 x-ray flare in AR 9415 with a halo CME and a 3B optical flare at S23W09, leading to a shock 34 hours later on 11 Apr 2001 (DOY 101) at 1518 UT

9 Apr 2001 (DOY 99 1534 UT) M7.9 x-ray flare in AR 9415 with a halo CME and a 2B optical flare at S21W04, leading to a shock 45.5 hours later on 11 Apr 2001 (DOY 101) at 1302 UT

6 Apr 2001 (DOY 96 1921 UT) X5.6 x-ray flare in AR 9415 with a halo CME and an optical sub flare at S21E31, leading to a shock 39 hours later on 08 Apr 2001 (DOY 098) at 1023 UT

5 Apr 2001 (DOY 95 1725 UT) M5.1 x-ray flare in AR 9415 with a halo CME and a 2N optical flare at S24E50, leading to a shock 47.5 hours later on 07 Apr 2001 (DOY 097) at 1645 UT

2 Apr 2001 (DOY 92 2151 UT) X20 x-ray flare in AR 9393 following a 1F optical fla re at N19W72, leading to a shock 40.5 hours later on 04 Apr 2001 (DOY 094) at 1421 UT

29 Mar 2001 (DOY 88 1015 UT) X1.7 x-ray flare in AR 9393 with a halo CME, N14W12?, leading to a shock 38 hours later on 31 Mar 2001 (DOY 090) at 0014 UT


sem_figs.html last modified on 7/16/17 at 02:33 by sel