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: 2024-04-16

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

Model vs. observations, sea ice class contingency tables

Date: 2024-04-16:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14808 14002 72 459 38 0 0 0
OW 23 289 15 135 39 10 0 0
VODI 2 527 23 400 260 68 9 0
ODI 0 530 34 661 497 201 158 71
CDI 0 191 26 736 935 911 1092 883
VCDI 0 126 10 577 1991 4631 17669 71438

Date: 2024-04-18:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14467 14938 133 791 279 72 23 0
OW 0 153 12 139 86 31 12 0
VODI 0 282 22 332 251 102 48 1
ODI 0 208 25 421 419 249 216 123
CDI 0 124 13 556 824 989 1361 819
VCDI 0 122 17 634 1996 4830 17758 70669

Date: 2024-04-20:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 15015 14795 106 936 313 191 84 0
OW 0 134 7 178 90 41 24 0
VODI 0 181 17 317 248 130 50 1
ODI 0 153 12 341 479 284 285 40
CDI 0 126 13 431 1002 1158 1988 619
VCDI 0 160 18 650 2105 5183 24635 62007

Date: 2024-04-22:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 15375 14595 126 1048 392 199 89 0
OW 0 108 6 117 75 26 21 0
VODI 0 201 16 260 264 130 60 0
ODI 0 225 22 291 484 411 334 52
CDI 0 163 16 403 862 1366 1997 691
VCDI 0 244 40 629 1925 6338 24554 60392


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