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: 2025-06-19

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2025-06-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 195 2518 177 282 4 0 0 0
OW 0 64 51 182 26 0 0 0
VODI 0 493 168 616 320 39 2 0
ODI 0 163 85 786 1987 663 69 0
CDI 0 18 13 65 865 4034 1994 0
VCDI 0 0 0 0 65 559 5793 9786

Date: 2025-06-15:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 211 2607 204 294 2 0 0 0
OW 0 73 67 211 26 0 0 0
VODI 0 501 149 749 321 35 4 0
ODI 0 163 72 726 2153 470 71 0
CDI 0 15 8 72 847 3865 1832 0
VCDI 0 0 0 0 36 1058 7673 7567

Date: 2025-06-17:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 213 2787 205 291 0 0 0 0
OW 0 141 76 262 20 0 0 0
VODI 0 464 137 730 344 40 0 0
ODI 0 161 82 727 2246 388 43 0
CDI 0 5 6 83 933 3464 2073 2
VCDI 0 0 0 0 34 898 6349 8878

Date: 2025-06-19:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 230 3347 178 199 7 0 0 0
OW 0 219 128 245 31 0 0 0
VODI 0 381 151 815 385 44 0 0
ODI 0 160 72 721 1946 459 24 0
CDI 0 5 6 130 1131 4533 1485 1
VCDI 0 0 0 1 73 1028 7190 6757

Date: 2025-06-21:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 469 3461 270 256 7 0 0 0
OW 0 228 114 321 42 0 0 0
VODI 0 342 134 709 344 39 1 0
ODI 0 182 69 674 1770 602 36 0
CDI 0 15 16 127 1078 5241 1865 50
VCDI 0 0 0 0 23 385 5278 7934

Date: 2025-06-23:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 595 3770 301 313 2 0 0 0
OW 0 213 114 431 38 0 0 0
VODI 0 152 120 732 310 36 8 0
ODI 0 171 62 610 1897 739 48 0
CDI 0 11 6 97 1976 4776 1612 49
VCDI 0 0 0 0 71 1241 7130 4451

Date: 2025-06-25:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 696 3832 419 505 8 0 0 0
OW 0 160 92 479 91 0 0 0
VODI 0 72 41 559 393 56 7 0
ODI 0 122 58 489 1623 1333 180 26
CDI 0 2 10 107 1188 5845 3140 376
VCDI 0 0 0 0 207 815 6871 2280

Date: 2025-06-27:

Best estimate
...observations not yet available


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