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: 2025-10-21

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

Model vs. observations, sea ice class contingency tables

Date: 2025-10-21:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 42749 3598 2 4 3 0 0 0
OW 49 101 1 2 5 0 0 0
VODI 51 147 7 23 24 2 0 0
ODI 13 120 8 78 30 25 11 0
CDI 7 207 14 267 223 179 113 0
VCDI 0 97 9 138 818 4567 2845 93

Date: 2025-10-23:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 97 9 138 818 4567 2845 93
OW 0 97 9 138 818 4567 2845 93
VODI 0 97 9 138 818 4567 2845 93
ODI 0 97 9 138 818 4567 2845 93
CDI 0 97 9 138 818 4567 2845 93
VCDI 0 97 9 138 818 4567 2845 93

Date: 2025-10-25:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 97 9 138 818 4567 2845 93
OW 0 97 9 138 818 4567 2845 93
VODI 0 97 9 138 818 4567 2845 93
ODI 0 97 9 138 818 4567 2845 93
CDI 0 97 9 138 818 4567 2845 93
VCDI 0 97 9 138 818 4567 2845 93

Date: 2025-10-27:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 97 9 138 818 4567 2845 93
OW 0 97 9 138 818 4567 2845 93
VODI 0 97 9 138 818 4567 2845 93
ODI 0 97 9 138 818 4567 2845 93
CDI 0 97 9 138 818 4567 2845 93
VCDI 0 97 9 138 818 4567 2845 93


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