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: 2021-07-27

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

Model vs. observations, sea ice class contingency tables

Date: 2021-07-27:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 21798 20522 0 706 132 13 2 0
OW 0 442 0 755 313 128 17 0
VODI 0 503 0 1387 2929 2465 672 3
ODI 0 452 0 1221 4821 6832 2904 11
CDI 0 201 0 567 4830 14878 7730 0
VCDI 0 65 0 65 449 1720 1316 0

Date: 2021-07-29:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25080 17714 0 1574 672 172 7 0
OW 8 475 0 498 852 437 65 0
VODI 7 631 0 847 2139 3067 818 18
ODI 6 701 0 1096 3467 6745 2953 294
CDI 0 271 0 556 3430 13979 8424 983
VCDI 0 73 0 72 277 1519 848 74

Date: 2021-07-31:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25308 17996 0 1782 1113 416 56 0
OW 4 463 0 376 806 597 159 3
VODI 6 818 0 794 2437 2539 906 11
ODI 5 868 0 1091 4240 5947 2863 66
CDI 0 261 0 652 3994 12704 8947 303
VCDI 0 64 0 92 226 1044 857 35

Date: 2021-08-02:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 24314 19393 0 1928 1144 692 95 0
OW 3 592 0 480 729 589 121 0
VODI 7 1044 0 961 2379 2305 688 16
ODI 3 939 0 1517 4016 5805 3089 331
CDI 0 284 0 661 3670 10870 8756 1680
VCDI 0 64 0 80 206 814 502 82


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