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: 2024-05-14

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

Model vs. observations, sea ice class contingency tables

Date: 2024-05-14:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 19108 13188 41 184 15 6 0 0
OW 8 340 21 129 44 12 3 0
VODI 6 803 70 745 504 348 122 4
ODI 3 1012 91 1562 1487 1434 668 73
CDI 0 222 34 926 2141 3164 3100 1429
VCDI 0 58 11 547 1975 5877 29015 44017

Date: 2024-05-16:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 19998 13593 79 522 135 11 0 0
OW 0 293 27 203 89 15 0 0
VODI 0 563 47 636 539 263 126 10
ODI 0 591 71 1107 1296 1368 763 161
CDI 0 197 33 886 1853 2971 3954 2203
VCDI 0 109 11 645 2236 5340 28584 43019

Date: 2024-05-18:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 19723 14448 102 818 263 40 2 0
OW 0 222 13 235 91 49 6 4
VODI 0 429 39 605 477 302 135 35
ODI 0 393 47 907 1295 1419 900 393
CDI 0 177 32 918 2060 2991 4039 3210
VCDI 0 115 16 653 2344 5374 26581 42645

Date: 2024-05-20:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 19550 15103 109 988 404 70 16 0
OW 0 250 21 235 140 48 28 0
VODI 0 406 31 631 533 363 193 26
ODI 0 341 44 914 1284 1476 1011 178
CDI 0 235 26 902 1977 3212 4095 2188
VCDI 0 171 26 841 2469 6847 26262 40903


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