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: 2021-12-14

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

Model vs. observations, sea ice class contingency tables

Date: 2021-12-14:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7801 8460 0 357 76 5 0 0
OW 0 109 0 81 60 7 0 0
VODI 0 122 0 168 127 14 1 0
ODI 0 54 0 173 225 75 47 8
CDI 0 33 0 183 352 467 584 147
VCDI 0 13 0 130 1241 3858 20093 55778

Date: 2021-12-16:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 8158 8131 0 496 143 1 0 0
OW 0 86 0 96 67 2 0 0
VODI 0 96 0 125 129 8 0 0
ODI 0 64 0 134 156 98 41 6
CDI 0 43 0 97 334 475 531 220
VCDI 0 16 0 130 1031 4188 19222 56525

Date: 2021-12-18:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 8181 7862 0 491 284 5 0 0
OW 0 73 0 97 72 5 0 0
VODI 0 75 0 121 147 15 1 0
ODI 0 72 0 104 164 95 22 3
CDI 0 42 0 74 292 532 600 108
VCDI 0 29 0 146 828 3885 19843 56581

Date: 2021-12-20:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7916 7449 0 575 443 136 0 0
OW 0 52 0 42 43 24 0 0
VODI 0 60 0 71 81 50 0 0
ODI 0 56 0 69 70 123 15 1
CDI 0 69 0 99 223 627 436 192
VCDI 0 82 0 234 915 4208 18689 57799


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