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: 2019-01-31

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

Model vs. observations, sea ice class contingency tables

Date: 2019-01-25:

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 2 0
CDI 0 0 0 0 0 42 11 2
VCDI 0 0 0 0 0 1368 10014 34427
...date precedes bulletin

Date: 2019-01-27:

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 3 3 0
ODI 0 0 0 0 5 11 23 0
CDI 0 0 0 0 64 87 31 4
VCDI 0 0 0 0 200 1897 11120 32418
...date precedes bulletin

Date: 2019-01-29:

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 9 6 0 0
CDI 0 0 0 0 21 70 20 3
VCDI 0 0 0 0 53 1507 11085 33092
...date precedes bulletin

Date: 2019-01-31:

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 2 1 0 0
CDI 0 0 0 0 13 37 24 1
VCDI 0 0 0 0 42 900 9012 35834
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 2 0 0
CDI 0 0 0 0 13 35 22 4
VCDI 0 0 0 0 42 901 9014 35831

Date: 2019-02-02:

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 5 29 2 0
CDI 0 0 0 0 60 103 49 5
VCDI 0 0 0 0 128 1139 10648 33698
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 1 24 1 0
CDI 0 0 0 0 59 108 59 5
VCDI 0 0 0 0 133 1139 10639 33698

Date: 2019-02-04:

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 9 2 0
ODI 0 0 0 0 0 31 10 0
CDI 0 0 0 0 17 185 62 13
VCDI 0 0 0 0 31 1184 9274 35048
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 41 14 0
ODI 0 0 0 0 0 37 30 0
CDI 0 0 0 0 1 127 105 21
VCDI 0 0 0 0 47 1204 9199 35040

Date: 2019-02-06:

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 31 0 0
ODI 0 0 0 0 0 37 1 0
CDI 0 0 0 0 13 131 15 13
VCDI 0 0 0 0 48 1145 8412 36020
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 9 0 0
ODI 0 0 0 0 0 57 4 0
CDI 0 0 0 0 0 120 56 17
VCDI 0 0 0 0 61 1158 8368 36016

Date: 2019-02-08:

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 5 25 0 0
VODI 0 0 0 2 0 59 2 0
ODI 0 0 0 10 20 44 14 0
CDI 0 0 0 10 55 152 71 56
VCDI 0 0 0 6 101 1517 10221 33496
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 5 38 0 0
ODI 0 0 0 0 0 44 2 1
CDI 0 0 0 4 16 102 26 27
VCDI 0 0 0 24 160 1613 10280 33524


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