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: 2024-10-15

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

Model vs. observations, sea ice class contingency tables

Date: 2024-10-15:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 65854 19166 153 813 40 0 0 0
OW 31 462 28 221 23 0 0 0
VODI 18 608 50 403 77 1 0 0
ODI 6 474 31 573 255 72 17 1
CDI 3 478 54 721 919 853 322 82
VCDI 0 145 38 911 1853 7218 16154 15419

Date: 2024-10-17:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 65361 17065 204 1494 97 9 0 0
OW 51 531 24 256 49 6 0 0
VODI 26 583 47 478 168 21 0 0
ODI 17 453 34 521 325 130 27 0
CDI 4 291 36 628 810 819 493 57
VCDI 0 206 49 953 1955 6631 18376 15262

Date: 2024-10-19:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 64345 15121 221 1425 812 240 0 0
OW 18 413 18 291 261 15 0 0
VODI 25 581 21 460 453 43 2 0
ODI 12 453 28 542 512 101 28 1
CDI 3 351 30 550 959 672 564 119
VCDI 0 355 30 763 2057 6939 18771 15942

Date: 2024-10-21:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 64044 13539 217 1504 497 242 1 0
OW 6 491 20 268 178 90 2 0
VODI 10 511 25 411 338 160 6 0
ODI 5 502 16 361 575 457 30 2
CDI 4 517 34 529 1060 899 357 90
VCDI 0 655 41 884 3144 9512 17238 15075


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