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: 2023-11-07

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

Model vs. observations, sea ice class contingency tables

Date: 2023-11-07:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 46245 13066 251 1099 405 140 1 0
OW 7 280 27 414 185 85 1 0
VODI 11 332 37 616 303 76 3 0
ODI 0 174 26 601 334 92 14 1
CDI 0 55 2 412 693 453 255 140
VCDI 0 1 0 195 1357 7402 23795 34961

Date: 2023-11-09:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 45472 12347 204 1934 808 399 19 0
OW 7 113 9 223 166 60 1 0
VODI 18 133 10 358 360 106 3 0
ODI 6 93 8 317 410 125 26 0
CDI 0 66 7 396 582 382 285 102
VCDI 0 43 10 260 1369 6500 24820 35990

Date: 2023-11-11:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 44305 12451 240 2177 932 497 15 0
OW 11 119 14 226 151 57 2 1
VODI 9 146 12 238 264 120 6 1
ODI 16 110 6 217 304 147 12 4
CDI 13 123 16 341 495 466 303 94
VCDI 0 88 16 437 1352 5534 23982 38477

Date: 2023-11-13:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 42512 13459 212 1905 1121 341 14 1
OW 9 122 9 158 188 66 2 0
VODI 15 188 12 225 282 218 4 0
ODI 9 119 13 207 344 248 13 0
CDI 6 93 7 262 464 436 329 79
VCDI 0 134 14 461 1742 6551 25332 36621


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