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

Validation of sea ice concentration - American sector

Bulletin date: 2018-02-08

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

Model vs. observations, sea ice class contingency tables

Date: 2018-02-02:

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 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 2
CDI 0 0 0 0 6 40 2 18
VCDI 0 0 0 0 17 1388 8357 36036
...date precedes bulletin

Date: 2018-02-04:

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 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 19 55 9 52
VCDI 0 0 0 0 44 2242 8641 34804
...date precedes bulletin

Date: 2018-02-06:

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 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 2 0 0
CDI 0 0 0 0 0 88 26 20
VCDI 0 0 0 0 0 2159 10754 32817
...date precedes bulletin

Date: 2018-02-08:

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 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 6 1 0 0
ODI 0 0 0 0 15 41 0 0
CDI 0 0 0 0 9 120 11 16
VCDI 0 0 0 0 16 2021 9023 34587
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 6 2 0 0
ODI 0 0 0 0 15 41 0 0
CDI 0 0 0 0 9 116 10 12
VCDI 0 0 0 0 16 2024 9024 34591

Date: 2018-02-10:

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 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 14 22 0 0
ODI 0 0 0 0 7 45 0 2
CDI 0 0 0 0 12 90 4 20
VCDI 0 0 0 0 28 1576 9290 34756
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 13 12 0 0
ODI 0 0 0 0 9 51 0 0
CDI 0 0 0 0 11 88 0 13
VCDI 0 0 0 0 28 1582 9294 34765

Date: 2018-02-12:

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 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 32 11 0 0
ODI 0 0 0 0 25 23 0 0
CDI 0 0 0 0 17 67 3 11
VCDI 0 0 0 0 44 1347 7027 37259
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 1 0 0 0
VODI 0 0 0 0 44 25 0 0
ODI 0 0 0 0 12 29 0 0
CDI 0 0 0 0 11 82 2 8
VCDI 0 0 0 0 50 1312 7028 37262

Date: 2018-02-14:

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 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 12 41 0 0
ODI 0 0 0 0 17 25 0 0
CDI 0 0 0 0 31 116 10 10
VCDI 0 0 0 0 94 1730 12682 31098
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 12 22 0 0
VODI 0 0 0 0 20 53 0 0
ODI 0 0 0 0 17 32 2 1
CDI 0 0 0 0 27 84 13 27
VCDI 0 0 0 0 78 1721 12677 31080

Date: 2018-02-16:

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 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 43 36 0 0
ODI 0 0 0 0 29 36 0 0
CDI 0 0 0 1 37 113 0 11
VCDI 0 0 0 0 121 1703 9372 34364
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 18 0 0 0
VODI 0 0 0 0 59 65 0 0
ODI 0 0 0 0 25 59 0 0
CDI 0 0 0 1 31 162 17 9
VCDI 0 0 0 0 97 1602 9355 34366


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