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: 2022-05-31

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

Model vs. observations, sea ice class contingency tables

Date: 2022-05-31:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 31257 14781 0 974 432 15 22 0
OW 1 356 0 529 433 36 12 0
VODI 0 521 0 720 1182 568 215 10
ODI 0 609 0 1111 2146 1999 1310 284
CDI 0 693 0 1456 3878 5358 7454 3947
VCDI 0 320 0 884 4154 10148 31687 23893

Date: 2022-06-02:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 32185 14559 0 1043 783 77 29 0
OW 0 353 0 339 465 133 38 1
VODI 3 579 0 686 1264 714 232 10
ODI 0 791 0 1131 2260 1974 1137 137
CDI 0 932 0 1522 4328 5856 7011 2832
VCDI 0 448 0 1139 5247 13030 31685 18442

Date: 2022-06-04:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 32628 14936 0 1061 983 191 59 0
OW 3 475 0 337 400 163 55 0
VODI 0 669 0 681 1119 712 278 1
ODI 0 935 0 1124 2128 1976 1514 74
CDI 0 1257 0 1514 4136 5746 7398 1907
VCDI 0 651 0 1344 4243 13167 28648 20882

Date: 2022-06-06:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 33581 14531 0 1489 1153 246 72 0
OW 33 527 0 276 423 135 49 6
VODI 34 727 0 645 1085 727 351 26
ODI 109 1070 0 1004 2112 2368 1713 141
CDI 162 1287 0 1562 3977 5763 6984 1579
VCDI 41 701 0 1560 3960 12071 32866 16249


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