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: 2022-05-24

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

Model vs. observations, sea ice class contingency tables

Date: 2022-05-24:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 28116 15443 0 911 422 19 13 0
OW 0 429 0 536 477 45 20 0
VODI 0 462 0 924 1676 634 226 6
ODI 0 458 0 888 2131 1737 1046 168
CDI 0 168 0 846 3448 4183 3895 2330
VCDI 0 234 0 840 5724 10643 27015 37282

Date: 2022-05-26:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 28725 15351 0 1287 819 68 42 0
OW 0 414 0 362 521 90 28 0
VODI 0 557 0 715 1129 551 214 3
ODI 0 417 0 851 1934 1680 1153 133
CDI 0 495 0 1184 3110 4164 5281 2475
VCDI 0 331 0 1066 5423 10542 29431 32849

Date: 2022-05-28:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 30174 14294 0 1387 902 100 61 0
OW 0 376 0 380 411 104 52 0
VODI 0 549 0 589 1019 614 232 5
ODI 0 461 0 945 1925 1817 1385 285
CDI 22 593 0 1338 3260 4181 5989 3785
VCDI 5 455 0 1153 4865 10167 30279 29236

Date: 2022-05-30:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 30279 14449 0 1447 904 115 78 0
OW 0 378 0 277 415 124 32 0
VODI 0 564 0 525 1043 745 313 29
ODI 0 673 0 960 2025 1986 1642 382
CDI 0 865 0 1491 3585 4944 7284 3475
VCDI 0 614 0 1121 4183 10463 29484 26501


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