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: 2021-03-30

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

Model vs. observations, sea ice class contingency tables

Date: 2021-03-30:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 6899 7478 0 133 31 8 0 0
OW 0 145 0 43 29 7 0 0
VODI 0 201 0 105 92 25 5 0
ODI 0 142 0 107 151 135 124 17
CDI 0 164 0 187 399 429 514 227
VCDI 0 218 0 579 1760 2420 13117 64958

Date: 2021-04-01:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 6285 7707 0 278 62 8 0 0
OW 0 124 0 87 36 33 8 0
VODI 0 143 0 128 102 71 26 0
ODI 0 119 0 137 253 236 113 6
CDI 0 88 0 185 516 609 680 155
VCDI 0 232 0 524 1912 3051 15978 60957

Date: 2021-04-03:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 6146 7533 0 422 129 30 2 0
OW 0 115 0 61 50 23 7 0
VODI 0 140 0 99 121 113 24 1
ODI 0 105 0 70 239 261 129 55
CDI 0 114 0 120 381 427 469 322
VCDI 0 222 0 592 1827 3435 14899 62166

Date: 2021-04-05:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 6575 7399 0 255 102 11 0 0
OW 0 138 0 54 60 40 3 0
VODI 0 202 0 82 110 118 20 0
ODI 0 133 0 91 185 203 105 22
CDI 0 144 0 130 315 393 607 388
VCDI 0 441 0 710 1942 3176 13982 62713


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