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: 2024-06-25

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

Model vs. observations, sea ice class contingency tables

Date: 2024-06-25:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 28474 13211 34 69 16 5 2 0
OW 39 592 11 68 43 27 5 0
VODI 107 2533 58 555 529 481 113 0
ODI 72 3745 177 2215 2560 2468 575 0
CDI 41 2204 143 2629 5200 10629 2924 0
VCDI 6 467 47 1320 6455 33285 10413 0

Date: 2024-06-27:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 29228 18328 128 719 101 67 7 0
OW 6 649 24 243 119 79 8 0
VODI 1 1143 72 771 679 556 35 0
ODI 0 1476 138 1924 2660 2646 300 0
CDI 0 912 106 2143 5217 11499 1773 0
VCDI 0 411 60 1493 6444 36162 6220 0

Date: 2024-06-29:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 29987 19530 186 1615 374 132 0 0
OW 1 380 27 321 255 90 0 0
VODI 2 728 66 781 875 504 15 0
ODI 1 952 67 1719 2875 2484 129 0
CDI 2 769 73 2005 5582 11629 1075 0
VCDI 0 540 76 1578 7746 36347 3029 0

Date: 2024-07-01:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 31860 18743 247 2162 769 164 0 0
OW 7 301 13 281 266 90 0 0
VODI 3 648 41 705 936 405 6 0
ODI 5 1035 96 1647 2787 2111 105 0
CDI 0 1038 121 1998 5383 11188 669 0
VCDI 0 928 81 1885 8551 34686 2586 0


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