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: 2023-12-05

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

Model vs. observations, sea ice class contingency tables

Date: 2023-12-05:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 29633 15739 248 1318 354 261 14 0
OW 39 329 37 243 41 6 1 0
VODI 44 486 41 552 124 10 2 0
ODI 11 504 36 856 359 44 8 2
CDI 13 254 20 799 944 367 415 151
VCDI 0 66 6 761 2224 5599 24933 46653

Date: 2023-12-07:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 29573 15730 288 2076 658 356 36 0
OW 15 208 19 147 77 12 0 0
VODI 9 296 21 244 151 19 1 0
ODI 6 308 17 309 250 63 8 0
CDI 6 417 33 533 511 410 479 125
VCDI 1 255 21 847 2130 5708 24380 47794

Date: 2023-12-09:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 29075 14644 241 2205 1599 564 139 0
OW 29 150 10 139 89 41 2 0
VODI 38 231 13 254 152 71 0 0
ODI 44 201 10 240 233 136 8 2
CDI 72 319 20 321 325 460 473 212
VCDI 42 315 41 778 1734 5446 18134 55295

Date: 2023-12-11:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 28110 14562 328 2419 1529 504 264 0
OW 15 149 22 124 76 51 1 0
VODI 17 249 23 204 125 73 2 0
ODI 0 256 24 240 139 89 6 9
CDI 0 208 17 333 387 445 522 319
VCDI 0 454 66 1356 2322 5523 18681 54304


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