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: 2021-04-13

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

Model vs. observations, sea ice class contingency tables

Date: 2021-04-13:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7469 8034 0 561 132 6 0 0
OW 5 179 0 190 129 9 0 0
VODI 14 422 0 277 437 79 43 5
ODI 0 179 0 218 593 305 234 140
CDI 0 92 0 156 507 715 790 621
VCDI 0 172 0 370 1425 4300 15259 56782

Date: 2021-04-15:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 6791 7752 0 868 520 27 1 2
OW 9 164 0 171 229 46 2 7
VODI 16 298 0 185 380 151 79 14
ODI 1 116 0 130 414 458 266 92
CDI 0 91 0 102 390 582 828 575
VCDI 0 134 0 342 988 3636 15580 58412

Date: 2021-04-17:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 6933 7377 0 831 661 121 7 2
OW 7 130 0 115 177 57 8 0
VODI 17 156 0 315 444 98 18 0
ODI 1 87 0 111 375 203 287 102
CDI 2 86 0 79 366 612 1307 547
VCDI 1 202 0 257 901 3260 17800 56789

Date: 2021-04-19:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7542 7447 0 611 247 24 8 5
OW 8 188 0 123 139 108 8 3
VODI 14 219 0 339 390 155 67 5
ODI 2 116 0 138 335 259 279 93
CDI 1 108 0 89 349 749 924 910
VCDI 0 241 0 249 1009 3753 17344 56251


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