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: 2023-01-31

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

Model vs. observations, sea ice class contingency tables

Date: 2023-01-31:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 22277 12673 0 448 168 5 0 0
OW 1 273 0 106 67 5 0 0
VODI 0 383 0 150 114 4 0 0
ODI 0 303 0 229 157 25 10 4
CDI 0 223 0 230 333 227 346 120
VCDI 0 164 0 526 2389 6085 25789 60713

Date: 2023-02-02:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 21568 13273 0 577 264 15 0 0
OW 1 163 0 100 61 4 0 0
VODI 0 182 0 144 133 9 0 0
ODI 0 171 0 136 164 29 15 7
CDI 0 146 0 190 305 243 374 159
VCDI 0 198 0 442 2479 6168 25030 61797

Date: 2023-02-04:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 21155 13477 0 707 462 59 0 0
OW 0 150 0 78 71 13 0 0
VODI 0 171 0 130 123 28 0 0
ODI 0 132 0 110 183 49 21 1
CDI 0 166 0 111 307 256 468 189
VCDI 0 405 0 537 1615 5228 21342 66803

Date: 2023-02-06:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 21067 13356 0 703 446 60 0 0
OW 0 148 0 73 77 19 0 0
VODI 0 172 0 122 114 39 2 0
ODI 0 141 0 102 129 66 12 7
CDI 0 185 0 133 243 362 300 280
VCDI 0 589 0 530 1818 6869 20477 65906


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