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

Validation of sea ice concentration - American sector

Bulletin date: 2023-04-11

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

Model vs. observations, sea ice class contingency tables

Date: 2023-04-11:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 2 4 5 3
ODI 0 0 0 0 1 49 68 14
CDI 0 0 0 0 10 199 299 309
VCDI 0 0 0 0 21 1340 8575 34697

Date: 2023-04-13:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 5 0
ODI 0 0 0 0 1 22 28 5
CDI 0 0 0 0 5 105 338 270
VCDI 0 0 0 0 41 1013 7902 35861

Date: 2023-04-15:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 1 1 0
ODI 0 0 0 0 1 24 27 10
CDI 0 0 0 0 13 100 163 206
VCDI 0 0 0 0 19 1074 5972 37985

Date: 2023-04-17:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 2 1 0 0 0
VODI 0 0 0 2 1 12 9 0
ODI 0 0 0 5 10 27 84 30
CDI 0 0 0 11 49 72 258 342
VCDI 0 0 0 68 315 758 6060 37480


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