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: 2023-06-06

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

Model vs. observations, sea ice class contingency tables

Date: 2023-06-06:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 23680 14750 188 1355 320 39 27 0
OW 0 570 29 614 199 57 53 0
VODI 0 664 67 1122 777 433 361 36
ODI 0 491 82 1626 2443 2041 2084 448
CDI 0 94 30 1075 3936 5530 9719 3413
VCDI 0 2 5 235 1996 7218 30847 15891

Date: 2023-06-08:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 23969 15118 191 1939 542 78 32 0
OW 0 299 30 445 248 115 61 0
VODI 0 608 41 968 915 608 405 33
ODI 0 514 85 1588 2730 2018 1870 592
CDI 0 140 41 1429 4385 5061 9179 4394
VCDI 0 34 5 510 2718 6663 26073 17873

Date: 2023-06-10:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 24505 15246 216 2131 598 153 10 0
OW 0 364 20 400 246 130 66 1
VODI 0 647 39 930 967 734 417 24
ODI 0 490 78 1437 3008 2518 2023 309
CDI 0 202 46 1374 3965 6369 10156 3211
VCDI 0 59 7 502 2288 7397 27877 13387

Date: 2023-06-12:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 24691 15698 224 2343 728 138 37 0
OW 0 386 30 377 311 138 55 4
VODI 0 573 28 977 1259 667 402 23
ODI 0 596 62 1709 3301 2317 2268 305
CDI 0 478 43 1486 4107 5992 10879 2549
VCDI 0 167 19 461 2140 8444 27175 10960


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