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: 2022-05-03

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

Model vs. observations, sea ice class contingency tables

Date: 2022-05-03:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25238 15609 0 751 360 109 22 0
OW 0 154 0 209 161 57 6 2
VODI 0 128 0 335 586 267 65 1
ODI 0 65 0 310 924 1125 414 65
CDI 0 36 0 303 1236 2536 1998 1236
VCDI 0 15 0 297 2784 12263 32740 50988

Date: 2022-05-05:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25380 15445 0 826 559 148 44 0
OW 0 157 0 145 167 81 17 1
VODI 0 169 0 230 488 372 121 11
ODI 0 105 0 272 785 1125 589 108
CDI 0 62 0 308 1158 2680 2442 1219
VCDI 0 27 0 310 2719 11049 31864 52212

Date: 2022-05-07:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25789 15451 0 822 556 146 56 0
OW 0 170 0 141 189 75 49 0
VODI 0 184 0 260 545 385 190 13
ODI 0 95 0 243 811 1097 720 77
CDI 0 88 0 296 1286 2706 2806 962
VCDI 0 54 0 331 3229 11305 33955 48313

Date: 2022-05-09:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25908 15545 0 977 455 68 67 31
OW 0 115 0 163 226 162 42 56
VODI 0 170 0 292 676 594 170 65
ODI 0 125 0 259 1121 1205 594 224
CDI 0 91 0 359 1851 2717 2704 1716
VCDI 0 118 0 430 4781 14626 29222 45470


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