• CME heights (with respect to the disk center) are measured at the fastest segment of the leading edge.
  • PA= Position Angle measured from Solar North in degrees (counter-clockwise)
  • Halo CMEs are indicated in the "Central PA" column. The letters ("S", "BA", "OA") in the brackets show type of halo CMEs. See examples.
  • Click on date to view Java script movie of the CME.
  • Click on time to see height-time measurements as a text file.
  • Click on speed to view height-time plots of the CME.
  • Beware of data gaps. Check for LASCO/C2 data gaps here.

  • A complete description of the catalog
  • Click here to search the entire catalog.

    First C2 Appearance
    Date Time [UT]
    Central
    PA
    [deg]
    Angular
    Width [deg]
    Linear
    Speed [km/s]
    2nd-order Speed at final height [km/s] 2nd-order Speed at 20 Rs [km/s] Accel
    [m/s2]
    Mass
    [gram]
    Kinetic
    Energy
    [erg]
    MPA [deg] Movies, plots, & links Remarks
    2016/03/01 03:12:08 124 18 162 265 430 8.5*1 ---- ---- 117 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/01 05:24:04 248 38 182 162 0 -2.9*1 3.2e+12 5.2e+26 239 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/01 08:24:04 90 158 644 723 688 5.9 1.0e+16*2 2.1e+31*2 60 C2 C3 PHTX DST Java Movie Partial Halo
    2016/03/01 12:48:04 256 26 191 197 245 1.0*1 1.0e+14 1.8e+28 258 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/01 15:30:04 250 8 385 488 618 19.6*1 ---- ---- 250 C2 C3 PHTX DST Java Movie Very Poor Event; Only C3
    2016/03/01 16:00:04 234 11 327 384 591 12.0*1 ---- ---- 234 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/01 20:36:04 73 32 166 191 342 4.1*1 1.5e+14 2.1e+28 79 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/03/01 21:48:04 125 11 253 440 465 10.8*1 ---- ---- 118 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/02 21:48:04 331 29 658 843 1355 70.3*1 1.2e+14 2.6e+29 335 C2 C3 PHTX DST Java Movie
    2016/03/03 03:24:04 243 10 250 272 422 5.9*1 ---- ---- 247 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/03/03 08:12:04 298 11 173 217 418 6.8*1 ---- ---- 295 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/03/03 12:00:04 119 13 177 217 310 3.4*1 ---- ---- 116 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/03/03 20:57:20 64 51 163 157 0 -1.3*1 1.5e+14 1.9e+28 68 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/04 02:00:04 334 29 176 337 1232 63.2*1 3.6e+13 5.6e+27 338 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/04 07:48:04 65 66 258 494 403 6.9 2.2e+15 7.4e+29 72 C2 C3 PHTX DST Java Movie
    2016/03/04 08:00:04 223 69 334 226 0 -9.4*1 3.0e+14 1.7e+29 231 C2 C3 PHTX DST Java Movie
    2016/03/04 09:36:04 10 51 304 342 422 4.6*1 2.2e+14 1.0e+29 10 C2 C3 PHTX DST Java Movie
    2016/03/05 00:39:10 70 24 443 528 793 22.7*1 2.6e+12 2.5e+27 73 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/05 10:36:04 66 20 441 457 505 3.2*1 1.3e+13 1.3e+28 61 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/03/05 13:25:49 61 13 525 648 755 18.5*1 ---- ---- 62 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/03/05 21:38:37 55 12 352 154 0 -82.9*1 ---- ---- 59 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/03/05 21:49:09 253 57 118 51 0 -15.2*1 1.1e+14 7.7e+27 266 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/06 02:24:04 57 12 417 337 0 -20.4*1 ---- ---- 59 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/03/06 05:48:04 357 157 445 516 649 11.4*1 4.2e+14*2 4.2e+29*2 355 C2 C3 PHTX DST Java Movie Partial Halo
    2016/03/06 06:24:04 251 76 535 723 857 25.7*1 9.6e+14 1.4e+30 252 C2 C3 PHTX DST Java Movie
    2016/03/06 14:00:04 232 41 251 326 445 7.1*1 2.5e+14 7.9e+28 234 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/06 18:36:04 223 29 264 321 374 4.3*1 1.4e+15 4.9e+29 233 C2 C3 PHTX DST Java Movie
    2016/03/06 20:12:04 253 93 307 561 472 8.9 1.0e+16 4.9e+30 259 C2 C3 PHTX DST Java Movie
    2016/03/07 16:48:04 230 36 212 239 317 2.9*1 3.2e+13 7.3e+27 233 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/03/07 22:00:04 284 13 275 347 762 22.7*1 ---- ---- 285 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/07 23:12:11 73 67 152 --- --- --- 8.9e+13*2 1.0e+28*2 66 C2 C3 PHTX DST Java Movie Very Poor Event; Only 2 points; Only C2
    2016/03/08 00:28:04 233 11 467 621 1018 45.3*1 ---- ---- 242 C3 PHTX DST Java Movie Very Poor Event; Only C3
    2016/03/08 12:57:04 237 15 489 516 542 4.0*1 ---- ---- 250 C3 PHTX DST Java Movie Poor Event; Only C3
    2016/03/08 13:46:04 294 88 175 336 422 9.5*1 5.2e+15 7.9e+29 309 C3 PHTX DST Java Movie Poor Event; Only C3
    2016/03/08 20:11:04 278 124 468 569 568 8.7*1 3.4e+15*2 3.7e+30*2 306 C3 PHTX DST Java Movie Only C3; Partial Halo
    2016/03/09 04:56:04 234 9 548 602 921 31.1*1 ---- ---- 237 C2 C3 PHTX DST Java Movie Very Poor Event; Only C3
    2016/03/09 12:03:04 248 7 457 468 472 1.4*1 ---- ---- 246 C2 C3 PHTX DST Java Movie Very Poor Event; Only C3
    2016/03/10 15:42:04 98 125 566 654 661 10.3 3.6e+15*2 5.8e+30*2 106 C3 PHTX DST Java Movie Only C3; Partial Halo
    2016/03/10 19:19:04 298 32 721 683 644 -7.8*1 1.1e+15 3.0e+30 291 C3 PHTX DST Java Movie Only C3
    2016/03/11 12:21:04 115 211 468 450 430 -2.4*1 2.1e+15*2 2.3e+30*2 93 C3 PHTX DST Java Movie Only C3; Partial Halo
    2016/03/11 21:20:05 78 43 606 393 0 -181.1*1 5.9e+13 1.1e+29 78 C3 PHTX DST Java Movie Very Poor Event; Only C3
    2016/03/12 00:12:04 198 136 234 587 515 12.3*1 4.5e+15*2 1.2e+30*2 213 C2 C3 PHTX DST Java Movie Partial Halo
    2016/03/12 07:00:04 24 16 61 56 0 -1.5*1 ---- ---- 23 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/12 14:36:05 137 58 451 633 654 16.0*1 2.2e+14 2.3e+29 136 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/12 14:48:04 17 27 106 186 527 11.7*1 1.9e+14 1.1e+28 13 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/12 21:28:31 11 50 227 317 433 7.1*1 1.7e+14 4.4e+28 8 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/12 22:12:04 251 11 235 198 0 -3.6*1 ---- ---- 259 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/03/12 23:12:09 87 85 426 532 572 9.5*1 1.4e+15 1.3e+30 91 C2 C3 PHTX DST Java Movie
    2016/03/13 06:36:05 252 10 293 300 370 2.3*1 ---- ---- 255 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/13 06:48:04 111 10 229 241 285 1.4*1 ---- ---- 111 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/03/13 06:48:04 71 53 243 238 192 -1.0*1 4.9e+13 1.5e+28 86 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/13 12:36:04 66 33 264 379 854 29.0*1 1.1e+12 3.9e+26 80 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/13 14:12:04 288 79 641 412 0 -50.1*1 4.2e+14 8.6e+29 280 C2 C3 PHTX DST Java Movie
    2016/03/13 18:48:04 263 48 258 354 1010 40.9*1 6.9e+13 2.3e+28 256 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/13 20:24:04 98 58 697 647 668 -4.5 4.7e+15 1.1e+31 101 C2 C3 PHTX DST Java Movie
    2016/03/13 21:38:36 249 40 370 312 146 -6.5*1 6.0e+14 4.1e+29 251 C2 C3 PHTX DST Java Movie
    2016/03/13 23:12:08 336 114 385 483 437 4.6 4.8e+15 3.6e+30 345 C2 C3 PHTX DST Java Movie
    2016/03/14 04:36:04 245 15 316 248 0 -13.4*1 ---- ---- 245 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/14 09:12:09 245 44 308 181 0 -8.6*1 3.2e+14 1.5e+29 248 C2 C3 PHTX DST Java Movie
    2016/03/14 11:12:04 104 46 332 358 370 1.8*1 3.2e+12 1.8e+27 109 C2 C3 PHTX DST Java Movie
    2016/03/14 17:24:04 116 51 450 608 606 11.0 2.2e+15 2.2e+30 114 C2 C3 PHTX DST Java Movie
    2016/03/14 17:24:04 308 77 85 156 312 4.1*1 1.7e+15 6.1e+28 319 C2 C3 PHTX DST Java Movie Only C2
    2016/03/15 05:12:04 72 18 306 327 408 3.6*1 ---- ---- 73 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/15 06:12:04 318 89 420 387 401 -1.7*1 3.2e+15 2.8e+30 325 C2 C3 PHTX DST Java Movie
    2016/03/15 20:00:04 109 13 288 289 296 0.2*1 ---- ---- 109 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/03/15 20:36:04 267 82 167 77 0 -23.5*1 1.4e+14 1.9e+28 274 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/16 03:12:09 282 125 446 433 423 -1.3 3.2e+15*2 3.2e+30*2 290 C2 C3 PHTX DST Java Movie Partial Halo
    2016/03/16 07:00:04 285 154 592 460 112 -22.4 4.2e+15*2 7.3e+30*2 265 C2 C3 PHTX DST Java Movie Partial Halo
    2016/03/17 03:12:08 269 46 201 193 127 -1.1*1 8.9e+14 1.8e+29 274 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/17 03:24:04 222 13 359 357 348 -0.4*1 ---- ---- 228 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/17 12:00:04 228 43 400 383 376 -1.4*1 1.2e+13 9.5e+27 228 C2 C3 PHTX DST Java Movie
    2016/03/17 20:12:05 212 10 326 396 614 13.4*1 ---- ---- 216 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/03/17 22:24:04 254 47 169 151 0 -3.4*1 2.8e+14 4.1e+28 259 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/18 00:00:05 65 18 352 419 649 13.9*1 ---- ---- 67 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/18 01:25:44 262 63 124 123 98 -0.3*1 2.2e+14 1.7e+28 267 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/18 02:48:34 72 30 432 357 0 -29.8*1 1.5e+14 1.4e+29 75 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/18 05:00:04 3 35 507 671 740 17.9*1 6.7e+14 8.7e+29 359 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/18 11:12:04 230 12 289 304 375 3.1*1 ---- ---- 242 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/03/18 12:00:04 206 7 255 268 403 4.6*1 ---- ---- 217 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/18 19:48:04 51 22 501 554 848 21.2*1 2.9e+13 3.7e+28 50 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/19 08:12:04 252 77 32 46 121 0.6*1 4.6e+11 2.3e+24 257 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/19 12:12:04 105 66 121 111 0 -1.5*1 3.0e+14 2.2e+28 105 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/19 16:12:04 267 11 399 433 610 9.9*1 ---- ---- 268 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/20 01:48:04 296 20 109 35 0 -18.3*1 2.3e+13 1.4e+27 293 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/20 12:48:04 254 106 216 274 344 3.9*1 8.2e+14 1.9e+29 264 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/20 15:48:04 256 8 264 410 778 25.3*1 ---- ---- 262 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/03/20 20:12:04 265 81 274 294 332 2.0*1 4.8e+12 1.8e+27 274 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/03/21 00:12:05 256 27 224 233 304 1.9*1 5.5e+13 1.4e+28 265 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/21 03:36:04 34 20 287 310 485 7.0*1 4.9e+13 2.0e+28 36 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/21 03:36:04 103 38 201 161 0 -11.9*1 2.0e+13 4.0e+27 103 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/21 11:48:04 25 13 287 324 545 10.0*1 ---- ---- 23 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/21 13:25:45 245 9 147 130 0 -5.5*1 ---- ---- 250 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/03/21 14:48:04 113 59 212 255 332 3.4*1 1.2e+15 2.6e+29 111 C2 C3 PHTX DST Java Movie
    2016/03/21 17:00:04 258 19 194 231 443 7.7*1 ---- ---- 253 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/21 19:24:04 255 15 518 438 324 -10.4*1 ---- ---- 259 C2 C3 PHTX DST Java Movie
    2016/03/21 19:36:04 113 62 330 283 218 -3.8 1.1e+15 6.0e+29 124 C2 C3 PHTX DST Java Movie
    2016/03/22 00:24:04 123 30 149 205 478 9.2*1 5.0e+12 5.5e+26 123 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/22 03:24:04 253 13 185 319 650 18.2*1 ---- ---- 253 C2 C3 PHTX DST Java Movie Very Poor Event
    2016/03/22 23:12:10 107 8 323 276 0 -22.9*1 ---- ---- 103 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/23 01:25:44 359 24 126 165 405 6.6*1 7.2e+13 5.7e+27 360 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/23 04:24:04 247 23 318 479 824 27.3*1 8.5e+13 4.3e+28 252 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/23 04:24:04 336 87 526 486 278 -10.1*1 2.3e+14 3.1e+29 345 C2 C3 PHTX DST Java Movie
    2016/03/24 01:36:13 314 16 171 304 773 24.8*1 ---- ---- 313 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/24 05:36:04 253 12 185 217 423 6.4*1 ---- ---- 255 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/24 18:36:05 54 9 480 352 0 -70.3*1 ---- ---- 55 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/25 01:36:14 281 68 180 215 529 11.1*1 1.1e+14 1.9e+28 273 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/25 06:12:10 300 26 287 275 88 -3.5*1 1.9e+13 7.7e+27 303 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/26 08:36:04 46 15 184 215 656 16.8*1 ---- ---- 49 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/26 14:00:04 68 75 511 516 528 0.9*1 4.4e+14 5.8e+29 59 C2 C3 PHTX DST Java Movie
    2016/03/26 17:24:04 344 8 238 306 964 37.0*1 ---- ---- 349 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/26 20:24:04 297 9 280 305 688 17.2*1 ---- ---- 297 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/27 00:12:02 45 11 219 228 313 2.3*1 ---- ---- 48 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/27 00:48:05 253 23 135 210 470 9.1*1 4.8e+14 4.4e+28 250 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/27 03:48:04 351 12 626 714 1323 61.4*1 ---- ---- 353 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/27 11:48:04 107 63 287 208 0 -28.2*1 1.9e+14 7.7e+28 98 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/27 17:24:04 287 31 343 705 2445 251.0*1 1.9e+13 1.1e+28 293 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/27 20:57:29 274 31 352 477 1311 69.7*1 5.4e+12 3.4e+27 278 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/28 03:12:07 265 36 382 431 761 19.7*1 2.3e+13 1.7e+28 283 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/28 15:48:04 55 82 258 409 417 6.8 2.6e+15 8.5e+29 47 C2 C3 PHTX DST Java Movie
    2016/03/29 04:12:06 103 57 164 126 0 -9.8*1 9.2e+13 1.2e+28 97 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/29 13:36:15 32 19 174 119 0 -13.9*1 ---- ---- 37 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/29 15:12:09 308 8 277 381 1865 146.0*1 ---- ---- 307 C2 C3 PHTX DST Java Movie Very Poor Event; Only 3 points; Only C2
    2016/03/30 03:12:07 28 18 176 200 381 5.0*1 ---- ---- 38 C2 C3 PHTX DST Java Movie Poor Event; Only C2
    2016/03/30 08:12:04 29 16 174 220 622 15.5*1 ---- ---- 37 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/30 12:36:05 174 157 197 186 0 -2.1*1 5.5e+14*2 1.1e+29*2 232 C2 C3 PHTX DST Java Movie Poor Event; Only C2; Partial Halo
    2016/03/30 16:48:04 268 60 229 325 746 22.0*1 4.8e+14 1.2e+29 267 C2 C3 PHTX DST Java Movie Only C2
    2016/03/30 20:12:04 35 10 209 153 0 -18.7*1 ---- ---- 39 C2 C3 PHTX DST Java Movie Very Poor Event; Only C2
    2016/03/30 20:48:04 265 82 365 393 536 7.2*1 1.6e+13 1.0e+28 265 C2 C3 PHTX DST Java Movie Poor Event
    2016/03/31 01:25:44 234 67 277 174 0 -15.2*1 6.8e+14 2.6e+29 229 C2 C3 PHTX DST Java Movie
    2016/03/31 21:17:32 227 7 218 195 0 -5.3*1 ---- ---- 231 C2 C3 PHTX DST Java Movie Very Poor Event

    *1 Acceleration is uncertain due to either poor height measurement or a small number of height-time measurements (See Section 3.4 of Yashiro et al. 2004 for details).
    *2 Mass and Kinetic Energy are uncertain due to poor mass estimate. Mass measurement assumes that the CME material is in the sky-plane. Kinetic Energy is obtained from the mass and linear speed (see Vourlidas et al. 2000 for details).