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: 2024-02-13

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

Model vs. observations, sea ice class contingency tables

Date: 2024-02-13:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14755 16249 134 1107 424 78 4 0
OW 5 204 16 141 71 10 2 0
VODI 3 346 28 269 126 18 3 0
ODI 1 383 37 386 286 87 35 0
CDI 0 266 39 520 510 537 498 108
VCDI 0 91 36 751 2042 6606 20189 67146

Date: 2024-02-15:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 15072 16826 139 1184 472 82 0 0
OW 0 165 14 85 51 13 0 0
VODI 0 245 28 181 94 36 0 0
ODI 1 178 20 266 201 62 11 2
CDI 0 220 31 335 379 396 581 275
VCDI 0 542 65 1080 1963 6185 22492 64575

Date: 2024-02-17:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14740 17160 179 1319 579 36 0 0
OW 0 86 16 102 72 7 0 0
VODI 0 150 20 192 122 27 0 0
ODI 0 102 6 216 141 51 5 4
CDI 0 185 18 276 307 456 386 336
VCDI 0 678 70 1144 2369 5861 19288 67841

Date: 2024-02-19:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 13686 17685 243 1903 630 34 2 0
OW 0 48 11 107 105 7 0 0
VODI 0 69 6 164 168 12 0 0
ODI 0 53 9 144 212 55 17 0
CDI 0 77 5 182 364 515 360 148
VCDI 0 373 59 868 2334 7363 21358 65171


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