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: 2022-08-09

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

Model vs. observations, sea ice class contingency tables

Date: 2022-08-09:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70451 25163 0 860 251 12 0 0
OW 4 535 0 756 413 50 2 0
VODI 15 690 0 1506 5040 2574 297 20
ODI 8 555 0 1100 6645 7756 1693 243
CDI 1 501 0 889 4548 8220 6404 1915
VCDI 0 35 0 151 292 516 1610 1674

Date: 2022-08-11:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 71758 24035 0 1515 774 47 1 0
OW 27 628 0 449 835 180 9 1
VODI 37 1042 0 1424 4551 2593 299 43
ODI 28 820 0 1429 6358 7066 1701 294
CDI 5 566 0 1059 3966 7963 6315 1752
VCDI 0 24 0 103 145 634 1870 1049

Date: 2022-08-13:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 74056 22223 0 1610 1410 247 7 0
OW 156 610 0 453 819 343 30 2
VODI 179 1077 0 1499 3638 2439 441 38
ODI 25 971 0 1558 5911 6986 2231 405
CDI 22 699 0 1122 3252 6974 6786 1808
VCDI 2 112 0 105 172 713 1497 767

Date: 2022-08-15:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73052 23680 0 1694 1974 335 25 0
OW 115 570 0 440 1012 272 58 1
VODI 100 1063 0 1348 3922 1999 543 57
ODI 33 1016 0 1352 6479 6430 2503 425
CDI 29 784 0 1076 2796 6363 7252 1502
VCDI 0 85 0 89 135 461 1788 537


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