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: 2021-06-01

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

Model vs. observations, sea ice class contingency tables

Date: 2021-06-01:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 8224 8713 0 585 193 83 25 1
OW 0 434 0 669 353 144 42 3
VODI 0 534 0 870 1509 1132 253 37
ODI 0 406 0 569 1347 2059 1330 369
CDI 0 282 0 544 1265 3486 4109 2073
VCDI 0 479 0 931 3717 10615 19990 23474

Date: 2021-06-03:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 8650 8303 0 834 616 271 109 2
OW 0 508 0 591 725 311 123 6
VODI 0 675 0 758 1360 1015 464 39
ODI 0 559 0 576 1206 1500 1599 242
CDI 0 470 0 508 1301 2797 5335 1974
VCDI 0 577 0 907 4238 8471 24475 18754

Date: 2021-06-05:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 8101 8878 0 1090 967 499 190 10
OW 0 537 0 575 753 441 124 2
VODI 0 737 0 762 1172 1094 602 38
ODI 0 711 0 573 1096 1346 1655 260
CDI 0 566 0 425 1393 2644 5954 2131
VCDI 0 700 0 819 5142 8574 23842 16446

Date: 2021-06-07:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 8409 8721 0 1340 1329 626 211 11
OW 2 671 0 504 722 406 105 0
VODI 0 901 0 753 1256 1135 572 41
ODI 1 765 0 559 1150 1562 1657 303
CDI 2 592 0 431 1578 3501 5934 1365
VCDI 0 645 0 572 5093 9957 25310 12157


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