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: 2021-07-20

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

Model vs. observations, sea ice class contingency tables

Date: 2021-07-20:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 21590 17336 0 628 219 21 0 0
OW 7 509 0 655 440 71 6 0
VODI 5 620 0 896 2883 2608 357 1
ODI 0 569 0 929 4815 8224 1813 25
CDI 0 320 0 867 5137 15670 6167 93
VCDI 0 71 0 94 549 3023 3573 58

Date: 2021-07-22:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 20996 18523 0 1271 974 130 1 0
OW 13 517 0 368 650 330 10 0
VODI 7 764 0 728 2420 3241 196 0
ODI 0 728 0 956 4085 8842 822 0
CDI 0 373 0 684 4307 20763 1964 1
VCDI 0 88 0 106 461 4463 1067 0

Date: 2021-07-24:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 22723 17488 0 1318 1267 303 16 0
OW 5 589 0 373 702 532 80 0
VODI 3 863 0 687 2278 3107 508 1
ODI 1 738 0 937 4032 7617 1571 46
CDI 0 353 0 607 4559 17562 4804 138
VCDI 0 89 0 90 391 2496 1946 29

Date: 2021-07-26:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 22719 18261 0 1610 1262 375 83 0
OW 0 570 0 364 637 538 168 1
VODI 0 893 0 742 2234 2787 837 0
ODI 0 751 0 1017 4168 6780 2170 26
CDI 0 310 0 562 4267 15597 6531 268
VCDI 0 78 0 82 345 1749 1912 155


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