Description of algorithm
Full domain
American sector
European sector
  Ice concntr, edge pos
  Contingency tables
Asian sector

Validation of sea ice concentration - European sector

Bulletin date: 2023-06-13

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

Model vs. observations, sea ice class contingency tables

Date: 2023-06-13:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 24335 11030 114 745 58 27 6 0
OW 0 209 22 252 70 39 4 0
VODI 0 270 33 605 359 190 68 1
ODI 0 237 45 1433 1608 785 613 24
CDI 0 22 7 716 1984 1498 2509 339
VCDI 0 0 1 21 419 869 4735 366

Date: 2023-06-15:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 24966 10634 109 989 130 40 12 0
OW 0 136 12 263 72 33 8 1
VODI 0 269 26 705 405 178 65 17
ODI 0 246 46 1584 1468 763 437 216
CDI 0 20 2 686 1680 1419 1269 1436
VCDI 0 1 0 38 327 689 2075 3196

Date: 2023-06-17:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25365 10414 121 1218 163 27 12 0
OW 0 157 11 277 70 22 21 0
VODI 0 301 14 823 504 158 89 13
ODI 0 184 25 1379 1503 779 412 139
CDI 0 39 1 547 1538 1409 1820 936
VCDI 0 0 0 31 223 559 3664 1700

Date: 2023-06-19:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25018 10917 165 1450 151 16 25 0
OW 0 167 15 343 93 29 18 0
VODI 0 296 24 1033 476 167 106 9
ODI 0 186 36 1208 1340 760 599 150
CDI 0 41 8 470 1233 1383 1964 950
VCDI 0 0 0 29 264 643 3415 1471


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