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

Validation of sea ice concentration - Asian sector

Reference date: 2025-11-13

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2025-11-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 2358 4395 164 311 37 0 0 0
OW 0 48 14 108 182 19 0 0
VODI 0 61 21 65 97 128 2 0
ODI 0 37 12 78 97 146 27 0
CDI 0 1 1 8 69 355 147 2
VCDI 0 0 0 0 4 1275 11999 9814

Date: 2025-11-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1894 4295 209 335 56 0 0 0
OW 0 41 13 127 270 12 0 0
VODI 0 48 8 20 106 139 25 0
ODI 0 33 18 36 77 51 62 0
CDI 0 1 3 37 156 279 153 1
VCDI 0 0 0 0 12 956 10716 11893

Date: 2025-11-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1136 4257 169 490 222 0 0 0
OW 0 38 5 47 394 40 0 0
VODI 0 35 10 30 146 145 0 0
ODI 0 32 7 31 40 144 36 0
CDI 0 2 0 19 130 371 196 7
VCDI 0 1 0 4 10 1652 9929 12307

Date: 2025-11-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 698 4464 159 329 113 0 0 0
OW 0 52 17 256 346 14 0 0
VODI 0 29 15 82 204 199 0 0
ODI 0 18 13 37 56 155 12 0
CDI 0 4 15 27 55 573 157 6
VCDI 0 0 0 8 28 1899 7243 14799

Date: 2025-11-15:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 2101 3410 70 50 0 0 0 0
OW 0 104 41 171 95 0 0 0
VODI 0 117 17 46 287 151 0 0
ODI 0 66 46 98 98 164 0 0
CDI 0 11 17 86 344 333 45 0
VCDI 0 0 0 4 123 2709 7931 13347

Date: 2025-11-17:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1794 3587 77 74 13 0 0 0
OW 4 101 20 85 105 2 0 0
VODI 7 97 33 37 232 77 0 0
ODI 0 77 37 97 112 199 8 0
CDI 0 14 7 124 387 501 6 0
VCDI 0 0 0 14 228 3968 9928 10030

Date: 2025-11-19:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1057 3649 120 195 123 21 0 0
OW 0 132 11 48 97 57 0 0
VODI 0 107 27 39 51 152 0 0
ODI 0 117 23 99 88 300 42 0
CDI 0 24 10 41 243 600 141 0
VCDI 0 0 0 7 59 2981 11983 9438

Date: 2025-11-21:

Best estimate
...observations not yet available


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