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

Validation of sea ice concentration - Asian sector

Bulletin date: 2024-01-11

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

Model vs. observations, sea ice class contingency tables

Date: :

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 220 10 13 0 0 0 0
OW 0 18 12 15 1 0 0 0
VODI 0 7 10 29 11 0 0 0
ODI 0 1 8 44 19 6 0 0
CDI 0 4 2 51 82 48 25 45
VCDI 0 0 35 128 281 1087 6365 23505
...date precedes bulletin

Date: :

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 186 9 9 0 0 0 0
OW 0 24 8 13 1 0 0 0
VODI 0 16 17 23 7 0 0 0
ODI 0 6 7 31 16 17 0 0
CDI 0 14 6 51 55 128 15 45
VCDI 0 24 29 158 338 1931 5071 23827
...date precedes bulletin

Date: :

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 171 21 14 0 0 0 0
OW 0 21 5 18 1 0 0 0
VODI 0 13 14 32 12 0 0 0
ODI 0 0 2 37 18 0 0 0
CDI 0 0 0 15 42 9 16 10
VCDI 0 0 0 5 248 1266 4417 25675
...date precedes bulletin

Date: :

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 120 20 28 0 0 0 0
OW 0 4 11 20 2 0 0 0
VODI 0 1 8 30 3 0 0 0
ODI 0 0 0 28 18 0 0 0
CDI 0 0 0 16 47 21 25 56
VCDI 0 0 0 3 88 657 4911 25965
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 120 20 29 0 0 0 0
OW 0 4 11 21 2 0 0 0
VODI 0 1 8 28 2 0 0 0
ODI 0 0 0 26 19 0 0 0
CDI 0 0 0 17 47 22 26 47
VCDI 0 0 0 4 88 656 4910 25974

Date: :

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 3 19 123 5 0 0 0
OW 0 1 4 25 3 0 0 0
VODI 0 1 0 19 14 0 0 0
ODI 0 0 2 12 20 1 0 0
CDI 0 0 0 14 29 5 6 50
VCDI 0 0 0 3 60 201 2156 29306
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 3 18 124 5 0 0 0
OW 0 1 4 24 3 0 0 0
VODI 0 1 2 18 16 0 0 0
ODI 0 0 1 16 18 1 0 0
CDI 0 0 0 12 32 9 10 57
VCDI 0 0 0 2 57 197 2152 29299

Date: :

Best estimate 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 0 103 54 0 0 0
OW 0 0 0 25 6 0 0 0
VODI 0 0 0 21 13 0 0 0
ODI 0 0 0 9 13 1 0 0
CDI 0 0 0 7 22 40 6 3
VCDI 0 0 0 2 67 342 4065 27283
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 77 53 0 0 0
OW 0 0 0 31 3 0 0 0
VODI 0 0 0 26 8 0 0 0
ODI 0 0 0 15 13 0 0 0
CDI 0 0 0 13 18 23 8 9
VCDI 0 0 0 5 80 360 4063 27277

Date: :

Best estimate 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 11 69 61 0 0 0
OW 0 0 5 24 2 0 0 0
VODI 0 1 5 17 3 0 0 0
ODI 0 0 5 17 4 1 0 0
CDI 0 0 4 15 26 14 7 6
VCDI 0 0 0 44 99 370 4168 27104
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 0 10 49 57 0 0 0
OW 0 0 4 32 5 0 0 0
VODI 0 1 6 23 5 0 0 0
ODI 0 0 6 16 6 0 0 0
CDI 0 0 4 17 20 8 5 26
VCDI 0 0 0 49 102 377 4170 27084

Date: :

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 21 8 46 29 0 0 0
OW 0 30 4 10 11 0 0 0
VODI 0 28 6 1 0 0 0 0
ODI 0 23 1 2 0 10 0 0
CDI 0 22 0 1 1 47 87 31
VCDI 0 45 26 70 131 693 4655 26043
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 13 5 44 26 0 0 0
OW 0 29 4 11 14 0 0 0
VODI 0 28 6 2 0 0 0 0
ODI 0 23 4 2 0 3 0 0
CDI 0 20 0 2 12 41 1 2
VCDI 0 56 26 69 120 706 4741 26072


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