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: 2018-01-11

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

Model vs. observations, sea ice class contingency tables

Date: 2018-01-05:

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 2 133 0 0
ODI 0 0 0 0 3 166 0 1
CDI 0 0 0 0 1 152 16 26
VCDI 0 0 0 0 15 2021 10679 32651
...date precedes bulletin

Date: 2018-01-07:

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 23 41 0 0
ODI 0 0 0 8 122 129 2 0
CDI 0 0 0 11 143 196 34 39
VCDI 0 0 0 0 275 2190 11203 31450
...date precedes bulletin

Date: 2018-01-09:

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 11 4 21 4 1 0 0
ODI 0 4 5 51 194 89 1 0
CDI 0 0 0 7 98 322 19 0
VCDI 0 0 0 1 151 2688 14012 28183
...date precedes bulletin

Date: 2018-01-11:

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 8 21 16 0 0
CDI 0 0 0 17 85 221 24 2
VCDI 0 0 0 19 158 2640 10819 31836
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 11 18 8 0 0
CDI 0 0 0 18 63 189 28 22
VCDI 0 0 0 15 183 2680 10815 31816

Date: 2018-01-13:

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 6 0 0 0 0
ODI 0 0 0 19 20 3 0 0
CDI 0 0 0 10 66 152 6 10
VCDI 0 0 0 0 103 2637 11673 31161
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 6 0 0 0 0
ODI 0 0 0 20 7 3 0 0
CDI 0 0 0 9 79 135 8 23
VCDI 0 0 0 0 103 2654 11671 31148

Date: 2018-01-15:

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 15 0 0 0
ODI 0 0 0 0 72 29 4 0
CDI 0 0 0 1 96 256 31 3
VCDI 0 0 0 0 134 2877 11950 30398
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 0 0 0
ODI 0 0 0 0 52 14 0 0
CDI 0 0 0 0 98 163 10 4
VCDI 0 0 0 1 164 2985 11975 30397

Date: 2018-01-17:

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 24 0 0
ODI 0 0 0 0 9 38 0 0
CDI 0 0 0 0 37 149 67 52
VCDI 0 0 0 0 29 1849 12492 31120
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 4 0 0
ODI 0 0 0 0 0 54 0 3
CDI 0 0 0 0 14 141 61 111
VCDI 0 0 0 0 61 1861 12498 31058

Date: 2018-01-19:

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 2 0 0
CDI 0 0 0 0 50 62 17 36
VCDI 0 0 0 0 63 2003 13184 30447
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 7 3 4
CDI 0 0 0 0 0 61 61 141
VCDI 0 0 0 0 115 1999 13137 30338


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