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: 2024-10-22

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

Model vs. observations, sea ice class contingency tables

Date: 2024-10-22:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 63210 11121 104 531 154 25 0 0
OW 44 568 38 220 33 10 0 0
VODI 56 993 65 404 136 25 0 0
ODI 46 1294 88 708 279 81 7 0
CDI 22 1083 47 1110 1273 1310 339 235
VCDI 5 502 49 1120 5129 10584 17118 14381

Date: 2024-10-24:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 61000 11640 58 475 437 28 0 0
OW 12 428 14 171 110 51 0 0
VODI 4 591 29 337 285 139 3 0
ODI 2 576 42 460 482 218 9 2
CDI 1 527 56 710 1402 919 482 267
VCDI 0 336 35 1369 3463 15062 20035 12280

Date: 2024-10-26:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 55422 16045 58 360 495 62 0 0
OW 0 463 16 137 117 23 0 0
VODI 0 552 25 268 259 81 0 0
ODI 0 446 28 427 363 319 7 2
CDI 0 352 38 536 867 1392 443 129
VCDI 0 401 34 996 2720 14247 22096 14321

Date: 2024-10-28:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 58703 11602 157 651 238 264 0 0
OW 24 272 22 160 85 57 0 0
VODI 17 366 28 284 164 138 8 0
ODI 6 401 20 364 318 240 26 9
CDI 1 398 21 357 452 1325 556 267
VCDI 0 397 68 973 2292 13572 20756 18488


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