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: 2024-10-08

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

Model vs. observations, sea ice class contingency tables

Date: 2024-10-08:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 74731 13103 39 103 0 0 0 0
OW 88 357 15 62 0 0 0 0
VODI 163 586 46 275 33 4 0 0
ODI 117 959 130 1065 346 109 19 4
CDI 13 855 67 1136 1321 1196 897 268
VCDI 4 137 13 218 986 4371 18209 12502

Date: 2024-10-10:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 73310 14059 63 204 8 0 0 0
OW 44 410 19 86 1 0 0 0
VODI 42 619 30 245 39 8 0 0
ODI 37 653 65 925 285 89 16 19
CDI 2 608 54 1102 1343 1060 744 283
VCDI 0 131 15 382 1337 5836 15493 14881

Date: 2024-10-12:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70167 16833 104 363 17 0 0 0
OW 15 423 21 102 14 0 0 0
VODI 32 668 39 282 53 26 0 0
ODI 28 580 38 488 203 76 21 1
CDI 3 546 41 821 1040 720 636 147
VCDI 0 153 26 882 2228 6917 16614 13179

Date: 2024-10-14:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67986 18404 195 896 99 0 0 0
OW 18 305 21 202 35 1 0 0
VODI 17 412 42 352 126 11 0 0
ODI 2 492 34 389 292 88 22 3
CDI 0 376 23 547 704 748 723 229
VCDI 0 203 39 829 1896 6520 16540 14726


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