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

Validation of sea ice concentration - European sector

Bulletin date: 2023-06-27

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

Model vs. observations, sea ice class contingency tables

Date: 2023-06-27:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 28668 8843 150 800 54 21 0 0
OW 33 432 23 188 41 10 4 0
VODI 24 598 58 484 284 110 39 5
ODI 2 543 74 1188 1169 572 373 43
CDI 0 111 19 901 1801 1453 2051 248
VCDI 0 10 1 31 260 1236 3281 432

Date: 2023-06-29:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 29140 9324 175 820 74 5 0 0
OW 22 287 13 169 44 5 0 0
VODI 25 460 45 455 394 101 21 0
ODI 7 422 59 1087 1482 576 288 13
CDI 0 91 13 677 1976 1591 1768 182
VCDI 0 0 0 23 243 1766 2638 187

Date: 2023-07-01:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 31084 8397 113 577 92 8 0 0
OW 90 190 5 125 57 9 1 0
VODI 119 406 20 391 453 115 22 0
ODI 18 469 28 839 1441 504 207 3
CDI 0 81 14 643 1866 1832 1493 26
VCDI 0 0 0 53 351 2087 2421 18

Date: 2023-07-03:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 30860 9176 110 597 112 28 0 0
OW 13 202 16 153 86 14 0 0
VODI 7 377 33 391 512 98 6 0
ODI 0 372 46 717 1514 576 118 0
CDI 0 73 22 539 1885 2225 815 0
VCDI 0 0 2 38 415 2897 1623 0


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