Description of algorithm
Full domain
American sector
European sector
  Ice concntr, edge pos
  Contingency tables
Asian sector

Validation of sea ice concentration - European sector

Bulletin date: 2023-03-21

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

Model vs. observations, sea ice class contingency tables

Date: 2023-03-21:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 16787 15320 0 789 510 62 5 0
OW 0 140 0 133 103 20 0 0
VODI 0 133 0 153 161 41 7 0
ODI 0 72 0 123 172 54 20 0
CDI 0 63 0 137 377 241 344 61
VCDI 0 19 0 123 982 3733 9133 6650

Date: 2023-03-23:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 16645 15338 0 852 664 97 4 0
OW 0 85 0 73 92 22 3 0
VODI 0 95 0 108 146 60 7 0
ODI 0 70 0 78 165 97 44 0
CDI 0 53 0 122 317 386 406 5
VCDI 0 30 0 159 995 3505 9162 6783

Date: 2023-03-25:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 16483 15289 0 839 784 191 8 0
OW 0 84 0 69 92 41 2 0
VODI 0 82 0 97 129 65 15 0
ODI 0 59 0 69 161 137 72 5
CDI 0 43 0 110 305 436 571 46
VCDI 0 31 0 128 1002 3272 8613 7338

Date: 2023-03-27:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 15202 16262 0 978 875 203 0 0
OW 0 66 0 60 81 43 2 0
VODI 0 79 0 91 145 65 9 0
ODI 0 62 0 79 164 185 117 1
CDI 0 43 0 121 326 467 559 47
VCDI 0 29 0 127 924 3151 8267 7838


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