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: 2023-06-06

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 23621 11463 113 635 92 24 7 0
OW 0 210 12 256 54 14 5 0
VODI 0 284 33 462 294 143 109 7
ODI 0 255 39 843 1308 793 506 86
CDI 0 5 11 508 2013 1587 1466 704
VCDI 0 0 0 45 744 1529 3512 2876

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 23702 11412 121 919 123 34 7 0
OW 0 127 15 180 55 36 8 0
VODI 0 297 18 417 354 230 123 12
ODI 0 221 39 793 1522 893 487 110
CDI 0 14 13 570 2024 1464 1355 788
VCDI 0 0 0 83 713 1328 3444 2617

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 24228 11145 125 936 132 54 3 0
OW 0 127 12 179 64 32 12 0
VODI 0 247 18 461 462 259 113 0
ODI 0 169 30 857 1781 1005 427 64
CDI 0 24 9 557 1881 1680 1414 714
VCDI 0 0 1 80 622 1501 3081 2162

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 24403 11087 128 890 135 40 5 0
OW 0 160 14 194 96 43 14 0
VODI 0 239 13 600 568 329 128 3
ODI 0 198 27 1032 1785 1021 562 26
CDI 0 25 5 551 1582 1685 2056 281
VCDI 0 1 0 91 500 1998 3795 358


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