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: 2023-01-17

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

Model vs. observations, sea ice class contingency tables

Date: 2023-01-17:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 23557 12727 0 451 259 62 0 0
OW 2 274 0 83 40 21 0 0
VODI 3 413 0 158 73 23 1 0
ODI 0 409 0 219 143 59 7 2
CDI 0 239 0 299 285 288 292 165
VCDI 0 230 0 717 2423 7473 24619 58531

Date: 2023-01-19:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 24153 12600 0 432 257 43 0 0
OW 1 303 0 71 48 10 0 0
VODI 0 356 0 142 75 17 0 0
ODI 0 236 0 182 147 23 4 2
CDI 0 183 0 235 254 241 397 174
VCDI 0 352 0 699 2429 5897 21587 62997

Date: 2023-01-21:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25294 11549 0 513 312 74 0 0
OW 0 186 0 85 49 9 0 0
VODI 0 285 0 134 89 24 0 0
ODI 0 233 0 184 154 59 12 3
CDI 0 207 0 219 344 399 406 126
VCDI 0 493 0 753 2210 6222 23629 60291

Date: 2023-01-23:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25088 11336 0 551 357 94 0 0
OW 0 241 0 72 52 14 0 0
VODI 0 329 0 126 100 30 0 0
ODI 0 272 0 138 133 32 2 0
CDI 0 235 0 241 307 364 255 82
VCDI 0 504 0 1038 2298 7416 21519 61321


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