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

Validation of sea ice concentration - Full domain

Bulletin date: 2021-05-25

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

Model vs. observations, sea ice class contingency tables

Date: 2021-05-25:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7467 7938 0 613 237 96 30 0
OW 0 328 0 485 378 126 38 1
VODI 0 344 0 739 1066 880 433 36
ODI 0 180 0 543 1091 1445 1451 219
CDI 0 115 0 401 1092 2631 3549 1211
VCDI 5 272 0 789 2815 9939 28302 23564

Date: 2021-05-27:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 8278 7064 0 717 630 268 114 2
OW 0 477 0 510 602 368 136 4
VODI 0 455 0 582 1146 1004 504 31
ODI 0 308 0 516 990 1303 1196 251
CDI 0 207 0 385 1093 2512 3514 1693
VCDI 0 436 0 1018 2839 10561 23267 25868

Date: 2021-05-29:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7911 7889 0 809 732 505 172 4
OW 0 493 0 478 667 490 145 8
VODI 0 523 0 596 1120 1045 431 34
ODI 0 368 0 483 955 1251 1261 245
CDI 0 278 0 418 1137 2595 4151 1514
VCDI 0 498 0 1196 3131 12052 25946 19318

Date: 2021-05-31:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7700 8416 0 880 841 629 190 11
OW 0 592 0 489 555 384 119 0
VODI 0 536 0 746 1072 880 452 18
ODI 0 411 0 579 1035 1483 1274 299
CDI 0 344 0 486 1183 3253 4348 1876
VCDI 0 630 0 1194 3499 11472 23607 19366


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