Description of algorithm
Full domain
American sector
European sector
  Ice concntr, edge pos
  Contingency tables
Asian sector

Validation of sea ice concentration - European sector

Bulletin date: 2014-04-10

Data source: OSI SAF N.H. sea ice concentration

Model vs. observations, sea ice class contingency tables

Date: 2014-04-04:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 59544 18456 3211 1465 635 60 0 0
OW 52 110 296 515 370 98 1 0
VODI 0 31 177 493 554 318 23 0
ODI 0 21 41 269 558 682 53 0
CDI 0 2 39 256 740 1542 165 0
VCDI 0 0 0 70 636 4503 9054 4060
...date precedes bulletin

Date: 2014-04-06:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 61694 17505 2247 1207 628 117 0 0
OW 52 98 328 540 310 157 0 0
VODI 0 41 201 511 442 392 12 0
ODI 0 4 64 376 531 677 63 0
CDI 0 0 26 253 735 1029 233 0
VCDI 0 0 6 67 622 3999 8536 5397
...date precedes bulletin

Date: 2014-04-08:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 62173 17637 2199 1253 477 256 16 0
OW 52 80 273 624 353 153 13 0
VODI 0 22 136 450 524 374 26 0
ODI 0 1 32 268 675 673 88 0
CDI 0 0 0 171 508 851 360 0
VCDI 0 0 0 2 399 4288 8007 5686
...date precedes bulletin

Date: 2014-04-10:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 59880 19400 2673 1561 521 176 24 0
OW 52 136 236 581 481 88 29 0
VODI 0 60 139 385 621 333 111 0
ODI 0 14 62 288 402 740 187 0
CDI 0 0 56 171 428 808 167 0
VCDI 0 0 5 129 626 4027 8234 5269
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 59880 19499 2779 1906 811 271 52 0
OW 52 49 167 294 338 120 47 0
VODI 0 46 100 317 374 227 92 0
ODI 0 16 58 243 413 387 115 0
CDI 0 0 56 194 460 946 172 0
VCDI 0 0 11 161 683 4221 8274 5269

Date: 2014-04-12:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 61267 18139 2324 1809 637 114 1 0
OW 52 128 285 436 560 97 14 0
VODI 0 61 181 383 638 502 79 0
ODI 0 18 61 284 381 613 127 0
CDI 0 0 56 196 401 809 150 0
VCDI 0 0 7 198 601 3927 8101 5463
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 61267 18256 2512 2096 1057 232 20 0
OW 52 37 158 230 325 112 14 0
VODI 0 39 125 295 369 249 55 0
ODI 0 14 53 240 297 434 110 0
CDI 0 0 47 203 463 977 161 0
VCDI 0 0 19 242 707 4058 8112 5463

Date: 2014-04-14:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 58907 19467 3076 1534 711 80 0 0
OW 52 48 342 704 365 72 0 0
VODI 0 7 77 588 621 194 11 0
ODI 0 0 16 219 689 669 65 0
CDI 0 0 1 163 365 1825 315 0
VCDI 0 0 0 41 316 3592 8815 5153
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 58907 19418 3052 2059 1348 348 17 0
OW 52 50 194 197 287 212 24 0
VODI 0 33 147 256 296 316 50 0
ODI 0 20 67 243 228 514 110 0
CDI 0 1 42 263 414 1082 336 0
VCDI 0 0 10 231 494 3960 8669 5153

Date: 2014-04-16:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 58488 19790 3133 1626 595 156 0 0
OW 52 104 379 776 225 168 0 0
VODI 0 83 147 851 438 233 6 0
ODI 0 44 37 421 854 450 83 0
CDI 0 19 33 169 549 810 164 0
VCDI 0 0 14 139 533 4427 8241 4863
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 58488 19812 3184 2456 972 490 19 0
OW 52 72 216 254 203 147 17 0
VODI 0 61 187 342 298 190 47 0
ODI 0 53 86 312 419 214 70 0
CDI 0 42 47 372 567 594 100 0
VCDI 0 0 23 246 735 4609 8241 4863

Date: 2014-04-18:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 59987 18688 2873 1953 746 64 0 0
OW 51 71 370 801 375 112 3 0
VODI 0 27 137 712 747 255 9 0
ODI 0 17 46 303 766 453 22 0
CDI 0 7 40 194 665 704 50 0
VCDI 0 0 35 184 1707 5517 6232 4177
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 59986 18681 2761 2493 1357 383 24 0
OW 52 73 232 196 242 125 14 0
VODI 0 29 237 265 322 211 30 0
ODI 0 16 110 270 337 187 27 0
CDI 0 11 67 370 679 607 21 0
VCDI 0 0 94 553 2069 5592 6200 4177


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