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: 2018-03-08

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

Model vs. observations, sea ice class contingency tables

Date: 2018-03-02:

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 25 20 0 0
ODI 0 0 0 0 15 33 0 0
CDI 0 0 0 0 21 99 27 27
VCDI 0 0 0 0 11 1318 7820 36450
...date precedes bulletin

Date: 2018-03-04:

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 2 56 0 0
ODI 0 0 0 0 5 40 7 0
CDI 0 0 0 0 10 76 8 38
VCDI 0 0 0 0 92 936 7649 36947
...date precedes bulletin

Date: 2018-03-06:

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 35 0 0
ODI 0 0 0 0 0 69 0 0
CDI 0 0 0 0 9 121 10 39
VCDI 0 0 0 0 53 752 6252 38526
...date precedes bulletin

Date: 2018-03-08:

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 0 23 0 0
ODI 0 0 0 0 0 50 0 0
CDI 0 0 0 0 0 72 26 54
VCDI 0 0 0 0 8 765 8049 36819
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 23 0 0
ODI 0 0 0 0 0 52 0 3
CDI 0 0 0 0 0 66 22 43
VCDI 0 0 0 0 8 769 8053 36827

Date: 2018-03-10:

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 0 0 0 0
ODI 0 0 0 0 3 3 0 0
CDI 0 0 0 0 8 80 39 29
VCDI 0 0 0 0 3 1232 9727 34742
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 3 3 0 0
CDI 0 0 0 0 4 71 50 42
VCDI 0 0 0 0 7 1241 9716 34729

Date: 2018-03-12:

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 3 2 0 0
ODI 0 0 0 0 6 12 0 0
CDI 0 0 0 0 22 62 85 44
VCDI 0 0 0 0 22 982 7586 37040
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 3 6 0 0
CDI 0 0 0 0 19 38 27 49
VCDI 0 0 0 0 31 1014 7644 37035

Date: 2018-03-14:

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 0 0 0 0
ODI 0 0 0 0 7 14 1 0
CDI 0 0 0 0 6 53 118 58
VCDI 0 0 0 0 0 676 7469 37464
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 4 10 0 0
CDI 0 0 0 0 9 48 126 43
VCDI 0 0 0 0 0 685 7462 37479

Date: 2018-03-16:

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 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 48 26 14 19
VCDI 0 0 0 0 115 1048 7473 37123
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 2 12 10 4
CDI 0 0 0 0 9 19 84 39
VCDI 0 0 0 0 152 1043 7393 37099


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